FIPS DRBG digest/hmac/CTR

5 files changed, 1699 insertions, 0 deletions

diff --git a/crypto/test/src/crypto/prng/test/CtrDrbgTest.cs b/crypto/test/src/crypto/prng/test/CtrDrbgTest.cs
new file mode 100644
index 000000000..e081ec132
--- /dev/null
+++ b/crypto/test/src/crypto/prng/test/CtrDrbgTest.cs
@@ -0,0 +1,524 @@
+using System;
+
+using Org.BouncyCastle.Crypto.Engines;
+using Org.BouncyCastle.Crypto.Prng.Drbg;
+using Org.BouncyCastle.Utilities.Test;
+using Org.BouncyCastle.Utilities.Encoders;
+using NUnit.Framework;
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Crypto.Parameters;
+
+namespace Org.BouncyCastle.Crypto.Prng.Test
+{
+    /**
+     * CTR DRBG Test
+     */
+    [TestFixture]
+    public class CtrDrbgTest : SimpleTest
+    {
+        public override String Name {
+            get {
+                return "CTRDRBGTest";
+            }
+        }
+
+        public static void main(String[] args)
+        {
+            RunTest(new CtrDrbgTest());
+        }
+
+        private DRBGTestVector[] createTestVectorData()
+        {
+            return new DRBGTestVector[]
+                {
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            false,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "ABC88224514D0316EA3D48AEE3C9A2B4",
+                                    "D3D3F372E43E7ABDC4FA293743EED076"
+                                }
+                        ),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            false,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "D4564EE072ACA5BD279536E14F94CB12",
+                                    "1CCD9AFEF15A9679BA75E35225585DEA"
+                                }
+                        )
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBC"),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            false,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "760BED7D92B083B10AF31CF0656081EB",
+                                    "FD1AC41482384D823CF3FD6F0E6C88B3"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C"),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            false,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "7A4C1D7ADC8A67FDB50100ED23583A2C",
+                                    "43044D311C0E07541CA5C8B0916976B2"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C")
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBC"),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            true,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "8FB78ABCA75C9F284E974E36141866BC",
+                                    "9D9745FF31C42A4488CBB771B13B5D86"
+                                }
+                        ),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            true,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "0E389920A09B485AA4ABD0CA7E60D89C",
+                                    "F4478EC6659A0D3577625B0C73A211DD"
+                                }
+                        )
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBC"),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            true,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "64983055D014550B39DE699E43130B64",
+                                    "035FDDA8582A2214EC722C410A8D95D3"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C"),
+                new DRBGTestVector(
+                            new DesEdeEngine(), 168,
+                            new Bit232EntropyProvider().Get(232),
+                            true,
+                            "20212223242526",
+                            112,
+                            new String[]
+                                {
+                                    "A29C1A8C42FBC562D7D1DBA7DC541FFE",
+                                    "0BDA66B049429061C013E4228C2F44C6"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C")
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBC"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 128,
+                            new Bit256EntropyProvider().Get(256),
+                            false,
+                            "2021222324252627",
+                            128,
+                            new String[]
+                                {
+                                    "8CF59C8CF6888B96EB1C1E3E79D82387AF08A9E5FF75E23F1FBCD4559B6B997E",
+                                    "69CDEF912C692D61B1DA4C05146B52EB7B8849BD87937835328254EC25A9180E"
+                                }
+                        ),
+                new DRBGTestVector(
+                            new AesFastEngine(), 128,
+                            new Bit256EntropyProvider().Get(256),
+                            false,
+                            "2021222324252627",
+                            128,
+                            new String[]
+                                {
+                                    "E8C74A4B7BFFB53BEB80E78CA86BB6DF70E2032AEB473E0DD54D2339CEFCE9D0",
+                                    "26B3F823B4DBAFC23B141375E10B3AEB7A0B5DEF1C7D760B6F827D01ECD17AC7"
+                                }
+                        )
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBF"),
+                new DRBGTestVector(
+                           new AesFastEngine(), 128,
+                           new Bit256EntropyProvider().Get(256),
+                           false,
+                           "2021222324252627",
+                           128,
+                           new String[]
+                               {
+                                   "18FDEFBDC43D7A36D5D6D862205765D1D701C9F237007030DF1B8E70EE4EEE29",
+                                   "9888F1D38BB1CCE31B363AA1BD9B39616876C30DEE1FF0B7BD8C4C441715C833"
+                               }
+                       )
+               .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 128,
+                            new Bit256EntropyProvider().Get(256),
+                            true,
+                            "2021222324252627",
+                            128,
+                            new String[]
+                                {
+                                    "BFF4B85D68C84529F24F69F9ACF1756E29BA648DDEB825C225FA32BA490EF4A9",
+                                    "9BD2635137A52AF7D0FCBEFEFB97EA93A0F4C438BD98956C0DACB04F15EE25B3"
+                                }
+                        ),
+                new DRBGTestVector(
+                            new AesFastEngine(), 128,
+                            new Bit256EntropyProvider().Get(256),
+                            true,
+                            "2021222324252627",
+                            128,
+                            new String[]
+                                {
+                                    "4573AC8BBB33D7CC4DBEF3EEDF6EAE748B536C3A1082CEE4948CDB51C83A7F9C",
+                                    "99C628CDD87BD8C2F1FE443AA7F761DA16886436326323354DA6311FFF5BC678"
+                                }
+                        )
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBF"),
+                new DRBGTestVector(
+                           new AesFastEngine(), 128,
+                           new Bit256EntropyProvider().Get(256),
+                           true,
+                           "2021222324252627",
+                           128,
+                           new String[]
+                               {
+                                   "F324104E2FA14F79D8AA60DF06B93B3BC157324958F0A7EE1E193677A70E0250",
+                                   "78F4C840134F40DC001BFAD3A90B5EF4DEBDBFAC3CFDF0CD69A89DC4FD34713F"
+                               }
+                       )
+               .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 192,
+                            new Bit320EntropyProvider().Get(320),
+                            false,
+                            "202122232425262728292A2B",
+                            192,
+                            new String[]
+                                {
+                                    "E231244B3235B085C81604424357E85201E3828B5C45568679A5555F867AAC8C",
+                                    "DDD0F7BCCADADAA31A67652259CE569A271DD85CF66C3D6A7E9FAED61F38D219"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F6061626364656667"),
+                new DRBGTestVector(
+                        new AesFastEngine(), 192,
+                        new Bit320EntropyProvider().Get(320),
+                        true,
+                        "202122232425262728292A2B",
+                        192,
+                        new String[]
+                            {
+                                "F780D4A2C25CF8EE7407D948EC0B724A4235D8B20E65081392755CA7912AD7C0",
+                                "BA14617F915BA964CB79276BDADC840C14B631BBD1A59097054FA6DFF863B238"
+                            }
+                    )
+            .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F6061626364656667"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 256,
+                            new Bit384EntropyProvider().Get(384),
+                            false,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                                {
+                                    "47111E146562E9AA2FB2A1B095D37A8165AF8FC7CA611D632BE7D4C145C83900",
+                                    "98A28E3B1BA363C9DAF0F6887A1CF52B833D3354D77A7C10837DD63DD2E645F8"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F")
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECF"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 256,
+                            new Bit384EntropyProvider().Get(384),
+                            true,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                                {
+                                    "71BB3F9C9CEAF4E6C92A83EB4C7225010EE150AC75E23F5F77AD5073EF24D88A",
+                                    "386DEBBBF091BBF0502957B0329938FB836B82E594A2F5FDD5EB28D4E35528F4"
+                                }
+                        )
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECF"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 256,
+                            new Bit384EntropyProvider().Get(384),
+                            true,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                                {
+                                    "1A2E3FEE9056E98D375525FDC2B63B95B47CE51FCF594D804BD5A17F2E01139B",
+                                    "601F95384F0D85946301D1EACE8F645A825CE38F1E2565B0C0C439448E9CA8AC"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 256,
+                            new Bit384EntropyProvider().Get(384),
+                            true,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                                {
+                                    "EAE6BCE781807E524D26605EA198077932D01EEB445B9AC6C5D99C101D29F46E",
+                                    "738E99C95AF59519AAD37FF3D5180986ADEBAB6E95836725097E50A8D1D0BD28"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F")
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECF"),
+                new DRBGTestVector(
+                            new AesFastEngine(), 256,
+                            new Bit384EntropyProvider().Get(384),
+                            true,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                                {
+                                    "eae6bce781807e524d26605ea198077932d01eeb445b9ac6c5d99c101d29f46e30b27377",
+                                    "ec51b55b49904c3ff9e13939f1cf27398993e1b3acb2b0be0be8761261428f0aa8ba2657"
+                                }
+                        )
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F")
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECF")
+                };
+        }
+
+        public override void PerformTest()
+        {
+            DRBGTestVector[] tests = createTestVectorData();
+            SP80090Drbg d;
+            DRBGTestVector tv;
+            byte[] output;
+
+            for (int i = 0; i != tests.Length; i++)
+            {
+                tv = tests[i];
+
+                byte[] nonce = tv.nonce();
+                byte[] personalisationString = tv.personalizationString();
+
+                d = new CtrSP800Drbg(tv.getCipher(), tv.keySizeInBits(), tv.securityStrength(), tv.entropySource(), personalisationString, nonce);
+
+                output = new byte[tv.expectedValue(0).Length];
+
+                d.Generate(output, tv.additionalInput(0), tv.predictionResistance());
+
+                byte[] expected = tv.expectedValue(0);
+
+                if (!AreEqual(expected, output))
+                {
+                    Fail("Test #" + (i + 1) + ".1 failed, expected " + Hex.ToHexString(tv.expectedValue(0)) + " got " + Hex.ToHexString(output));
+                }
+
+                output = new byte[tv.expectedValue(0).Length];
+
+                d.Generate(output, tv.additionalInput(1), tv.predictionResistance());
+
+                expected = tv.expectedValue(1);
+                if (!AreEqual(expected, output))
+                {
+                    Fail("Test #" + (i + 1) + ".2 failed, expected " + Hex.ToHexString(tv.expectedValue(1)) + " got " + Hex.ToHexString(output));
+                }
+            }
+
+            // DESede/TDEA key parity test
+            tv = tests[0];
+
+            SP80090Drbg drbg = new CtrSP800Drbg(new KeyParityCipher(tv.getCipher()), tv.keySizeInBits(), tv.securityStrength(), tv.entropySource(), tv.personalizationString(), tv.nonce());
+
+            output = new byte[tv.expectedValue(0).Length];
+
+            drbg.Generate(output, tv.additionalInput(0), tv.predictionResistance());
+
+            // Exception tests
+            try
+            {
+                d = new CtrSP800Drbg(new AesEngine(), 256, 256, new Bit232EntropyProvider().Get(128), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Not enough entropy for security strength required"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+
+            try
+            {
+                d = new CtrSP800Drbg(new DesEdeEngine(), 256, 256, new Bit232EntropyProvider().Get(232), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Requested security strength is not supported by block cipher and key size"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+
+            try
+            {
+                d = new CtrSP800Drbg(new DesEdeEngine(), 168, 256, new Bit232EntropyProvider().Get(232), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Requested security strength is not supported by block cipher and key size"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+
+            try
+            {
+                d = new CtrSP800Drbg(new AesEngine(), 192, 256, new Bit232EntropyProvider().Get(232), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Requested security strength is not supported by block cipher and key size"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+        }
+
+        internal class Bit232EntropyProvider : TestEntropySourceProvider
+        {
+            internal Bit232EntropyProvider() : base(Hex.Decode(
+                   "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C" +
+                   "808182838485868788898A8B8C8D8E8F909192939495969798999A9B9C" +
+                   "C0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDC"), true)
+            { }
+        }
+
+        internal class Bit256EntropyProvider : TestEntropySourceProvider
+        {
+            internal Bit256EntropyProvider(): base(Hex.Decode(
+                    "0001020304050607" +
+                    "08090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F" +
+                    "8081828384858687" +
+                    "88898A8B8C8D8E8F909192939495969798999A9B9C9D9E9F" +
+                    "C0C1C2C3C4C5C6C7" +
+                    "C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDF"), true)
+            { }
+       }
+
+        internal class Bit320EntropyProvider : TestEntropySourceProvider
+        {
+            internal Bit320EntropyProvider() : base(Hex.Decode(
+                "000102030405060708090A0B0C0D0E0F" +
+                "101112131415161718191A1B1C1D1E1F2021222324252627" +
+                "808182838485868788898A8B8C8D8E8F" +
+                "909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6A7" +
+                "C0C1C2C3C4C5C6C7C8C9CACBCCCDCECF" +
+                "D0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7"), true)
+            { }
+        }
+
+        internal class Bit384EntropyProvider : TestEntropySourceProvider
+        {
+            internal Bit384EntropyProvider() : base(Hex.Decode(
+                "000102030405060708090A0B0C0D0E0F1011121314151617" +
+                "18191A1B1C1D1E1F202122232425262728292A2B2C2D2E2F" +
+                "808182838485868788898A8B8C8D8E8F9091929394959697" +
+                "98999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAF" +
+                "C0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7" +
+                "D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEF"), true)
+            { }
+        }
+
+        internal class KeyParityCipher : IBlockCipher
+        {
+            private IBlockCipher cipher;
+
+            internal KeyParityCipher(IBlockCipher cipher)
+            {
+                this.cipher = cipher;
+            }
+
+            public void Init(bool forEncryption, ICipherParameters parameters)
+            {
+                byte[] k = Arrays.Clone(((KeyParameter)parameters).GetKey());
+
+                DesEdeParameters.SetOddParity(k);
+
+                if (!Arrays.AreEqual(((KeyParameter)parameters).GetKey(), k))
+                {
+                    throw new ArgumentException("key not odd parity");
+                }
+
+                cipher.Init(forEncryption, parameters);
+            }
+
+            public String AlgorithmName
+            {
+                get
+                {
+                    return cipher.AlgorithmName;
+                }
+            }
+
+            public bool IsPartialBlockOkay
+            {
+                get
+                {
+                    return false;
+                }
+            }
+
+            public int GetBlockSize()
+            {
+                return cipher.GetBlockSize();
+            }
+
+            public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
+            {
+                return cipher.ProcessBlock(input, inOff, output, outOff);
+            }
+
+            public void Reset()
+            {
+                cipher.Reset();
+            }
+        }
+
+    }
+
+}
diff --git a/crypto/test/src/crypto/prng/test/DRGBTestVector.cs b/crypto/test/src/crypto/prng/test/DRGBTestVector.cs
new file mode 100644
index 000000000..a4129b9f8
--- /dev/null
+++ b/crypto/test/src/crypto/prng/test/DRGBTestVector.cs
@@ -0,0 +1,129 @@
+using Org.BouncyCastle.Utilities.Encoders;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Org.BouncyCastle.Crypto.Prng.Test
+{
+    public class DRBGTestVector
+    {
+        private IDigest _digest;
+        private IBlockCipher _cipher;
+        private int _keySizeInBits;
+        private IEntropySource _eSource;
+        private bool _pr;
+        private String _nonce;
+        private String _personalisation;
+        private int _ss;
+        private String[] _ev;
+        private List<string> _ai = new List<string>();
+
+        public DRBGTestVector(IDigest digest, IEntropySource eSource, bool predictionResistance, String nonce, int securityStrength, String[] expected)
+        {
+            _digest = digest;
+            _eSource = eSource;
+            _pr = predictionResistance;
+            _nonce = nonce;
+            _ss = securityStrength;
+            _ev = expected;
+            _personalisation = null;
+        }
+
+        public DRBGTestVector(IBlockCipher cipher, int keySizeInBits, IEntropySource eSource, bool predictionResistance, String nonce, int securityStrength, String[] expected)
+        {
+            _cipher = cipher;
+            _keySizeInBits = keySizeInBits;
+            _eSource = eSource;
+            _pr = predictionResistance;
+            _nonce = nonce;
+            _ss = securityStrength;
+            _ev = expected;
+            _personalisation = null;
+        }
+
+        public IDigest getDigest()
+        {
+            return _digest;
+        }
+
+        public IBlockCipher getCipher()
+        {
+            return _cipher;
+        }
+
+        public int keySizeInBits()
+        {
+            return _keySizeInBits;
+        }
+
+        public DRBGTestVector addAdditionalInput(String input)
+        {
+            _ai.Add(input);
+
+            return this;
+        }
+
+        public DRBGTestVector setPersonalizationString(String p)
+        {
+            _personalisation = p;
+
+            return this;
+        }
+
+        public IEntropySource entropySource()
+        {
+            return _eSource;
+        }
+
+        public bool predictionResistance()
+        {
+            return _pr;
+        }
+
+        public byte[] nonce()
+        {
+            if (_nonce == null)
+            {
+                return null;
+            }
+
+            return Hex.Decode(_nonce);
+        }
+
+        public byte[] personalizationString()
+        {
+            if (_personalisation == null)
+            {
+                return null;
+            }
+
+            return Hex.Decode(_personalisation);
+        }
+
+        public int securityStrength()
+        {
+            return _ss;
+        }
+
+        public byte[] expectedValue(int index)
+        {
+            return Hex.Decode(_ev[index]);
+        }
+
+        public byte[] additionalInput(int position)
+        {
+            int len = _ai.Count;
+            byte[] rv;
+            if (position >= len)
+            {
+                rv = null;
+            }
+            else
+            {
+                rv = Hex.Decode((string)(_ai[position]));
+            }
+            return rv;
+        }
+
+    }
+}
diff --git a/crypto/test/src/crypto/prng/test/HMacDrbgTest.cs b/crypto/test/src/crypto/prng/test/HMacDrbgTest.cs
new file mode 100644
index 000000000..b8d383663
--- /dev/null
+++ b/crypto/test/src/crypto/prng/test/HMacDrbgTest.cs
@@ -0,0 +1,511 @@
+
+using System;
+
+using Org.BouncyCastle.Crypto.Digests;
+using Org.BouncyCastle.Crypto.Macs;
+using Org.BouncyCastle.Crypto.Prng.Drbg;
+using Org.BouncyCastle.Utilities.Test;
+using Org.BouncyCastle.Utilities.Encoders;
+using NUnit.Framework;
+
+namespace Org.BouncyCastle.Crypto.Prng.Test
+{
+    /**
+     * HMAC SP800-90 DRBG
+     */
+    [TestFixture]
+    public class HMacDrbgTest : SimpleTest
+    {
+        public override String Name
+        {
+            get
+            {
+                return "HMacDRBG";
+            }
+        }
+
+        public static void main(String[] args)
+        {
+            RunTest(new HMacDrbgTest());
+        }
+
+        [Test]
+        public void HMacDrbgTestFunction()
+        {
+            string resultText = Perform().ToString();
+
+            Assert.AreEqual(Name + ": Okay", resultText);
+        }
+
+        private DRBGTestVector[] createTestVectorData()
+        {
+            return new DRBGTestVector[]
+                {
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    false,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "5A7D3B449F481CB38DF79AD2B1FCC01E57F8135E8C0B22CD0630BFB0127FB5408C8EFC17A929896E",
+                            "82cf772ec3e84b00fc74f5df104efbfb2428554e9ce367d03aeade37827fa8e9cb6a08196115d948"
+                        }),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    false,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "B3BD05246CBA12A64735A4E3FDE599BC1BE30F439BD060208EEA7D71F9D123DF47B3CE069D98EDE6",
+                            "B5DADA380E2872DF935BCA55B882C8C9376902AB639765472B71ACEBE2EA8B1B6B49629CB67317E0"
+                        })
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F70717273747576"),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    false,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "C7AAAC583C6EF6300714C2CC5D06C148CFFB40449AD0BB26FAC0497B5C57E161E36681BCC930CE80",
+                            "6EBD2B7B5E0A2AD7A24B1BF9A1DBA47D43271719B9C37B7FE81BA94045A14A7CB514B446666EA5A7"
+                        })
+                .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F90919293949596")
+                .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6"),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    true,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "FEC4597F06A3A8CC8529D59557B9E661053809C0BC0EFC282ABD87605CC90CBA9B8633DCB1DAE02E",
+                            "84ADD5E2D2041C01723A4DE4335B13EFDF16B0E51A0AD39BD15E862E644F31E4A2D7D843E57C5968"
+                        }),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    true,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "6C37FDD729AA40F80BC6AB08CA7CC649794F6998B57081E4220F22C5C283E2C91B8E305AB869C625",
+                            "CAF57DCFEA393B9236BF691FA456FEA7FDF1DF8361482CA54D5FA723F4C88B4FA504BF03277FA783"
+                        })
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F70717273747576"),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    true,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "A1BA8FA58BB5013F43F7B6ED52B4539FA16DC77957AEE815B9C07004C7E992EB8C7E591964AFEEA2",
+                            "84264A73A818C95C2F424B37D3CC990B046FB50C2DC64A164211889A010F2471A0912FFEA1BF0195"
+                        })
+                    .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F90919293949596")
+                    .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6"),
+                new DRBGTestVector(
+                    new Sha256Digest(),
+                    new SHA256EntropyProvider().Get(440),
+                    false,
+                    "2021222324252627",
+                    128,
+                    new String[]
+                        {
+                            "D67B8C1734F46FA3F763CF57C6F9F4F2" +
+                                "DC1089BD8BC1F6F023950BFC5617635208C8501238AD7A44" +
+                                "00DEFEE46C640B61AF77C2D1A3BFAA90EDE5D207406E5403",
+                            "8FDAEC20F8B421407059E3588920DA7E" +
+                                "DA9DCE3CF8274DFA1C59C108C1D0AA9B0FA38DA5C792037C" +
+                                "4D33CD070CA7CD0C5608DBA8B885654639DE2187B74CB263"
+                        }),
+                new DRBGTestVector(
+                    new Sha256Digest(),
+                    new SHA256EntropyProvider().Get(440),
+                    true,
+                    "2021222324252627",
+                    128,
+                    new String[]
+                        {
+                            "FABD0AE25C69DC2EFDEFB7F20C5A31B5" +
+                            "7AC938AB771AA19BF8F5F1468F665C938C9A1A5DF0628A56" +
+                            "90F15A1AD8A613F31BBD65EEAD5457D5D26947F29FE91AA7",
+                            "6BD925B0E1C232EFD67CCD84F722E927" +
+                            "ECB46AB2B740014777AF14BA0BBF53A45BDBB62B3F7D0B9C" +
+                            "8EEAD057C0EC754EF8B53E60A1F434F05946A8B686AFBC7A"
+                        }),
+                new DRBGTestVector(
+                    new Sha384Digest(),
+                    new SHA384EntropyProvider().Get(888),
+                    false,
+                    "202122232425262728292A2B",
+                    192,
+                    new String[]{
+                        "03AB8BCE4D1DBBB636C5C5B7E1C58499FEB1C619CDD11D35" +
+                        "CD6CF6BB8F20EF27B6F5F9054FF900DB9EBF7BF30ED4DCBB" +
+                        "BC8D5B51C965EA226FFEE2CA5AB2EFD00754DC32F357BF7A" +
+                        "E42275E0F7704DC44E50A5220AD05AB698A22640AC634829",
+                        "B907E77144FD55A54E9BA1A6A0EED0AAC780020C41A15DD8" +
+                        "9A6C163830BA1D094E6A17100FF71EE30A96E1EE04D2A966" +
+                        "03832A4E404F1966C2B5F4CB61B9927E8D12AC1E1A24CF23" +
+                        "88C14E8EC96C35181EAEE32AAA46330DEAAFE5E7CE783C74"})
+                    .setPersonalizationString(
+                        "404142434445464748494A4B4C4D4E" +
+                        "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                        "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                        "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                        "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE"),
+                new DRBGTestVector(
+                    new Sha384Digest(),
+                    new SHA384EntropyProvider().Get(888),
+                    true,
+                    "202122232425262728292A2B",
+                    192,
+                    new String[]{
+                        "804A3AD720F4FCE8738D0632514FEF16430CB7D63A8DF1A5" +
+                        "F02A3CE3BD7ED6A668B69E63E2BB93F096EE753D6194A0F1" +
+                        "A32711063653009636337D22167CC4402D019AC216FA574F" +
+                        "091CF6EA283568D737A77BE38E8F09382C69E76B142ABC3A",
+                        "73B8E55C753202176A17B9B9754A9FE6F23B01861FCD4059" +
+                        "6AEAA301AF1AEF8AF0EAF22FBF34541EFFAB1431666ACACC" +
+                        "759338C7E28672819D53CFEF10A3E19DAFBD53295F1980A9" +
+                        "F491504A2725506784B7AC826D92C838A8668171CAAA86E7"})
+                    .setPersonalizationString(
+                        "404142434445464748494A4B4C4D4E" +
+                            "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                            "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                            "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                            "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE"),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    false,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "2A5FF6520C20F66E" +
+                            "D5EA431BD4AEAC58F975EEC9A015137D5C94B73AA09CB8B5" +
+                            "9D611DDEECEB34A52BB999424009EB9EAC5353F92A6699D2" +
+                            "0A02164EEBBC6492941E10426323898465DFD731C7E04730" +
+                            "60A5AA8973841FDF3446FB6E72A58DA8BDA2A57A36F3DD98" +
+                            "6DF85C8A5C6FF31CDE660BF8A841B21DD6AA9D3AC356B87B",
+                        "0EDC8D7D7CEEC7FE" +
+                            "36333FB30C0A9A4B27AA0BECBF075568B006C1C3693B1C29" +
+                            "0F84769C213F98EB5880909EDF068FDA6BFC43503987BBBD" +
+                            "4FC23AFBE982FE4B4B007910CC4874EEC217405421C8D8A1" +
+                            "BA87EC684D0AF9A6101D9DB787AE82C3A6A25ED478DF1B12" +
+                            "212CEC325466F3AC7C48A56166DD0B119C8673A1A9D54F67"})
+                    .setPersonalizationString(
+                        "404142434445464748494A4B4C4D4E" +
+                            "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                            "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                            "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                            "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE"),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    true,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "AAE4DC3C9ECC74D9" +
+                        "061DD527117EF3D29E1E52B26853C539D6CA797E8DA3D0BB" +
+                        "171D8E30B8B194D8C28F7F6BE3B986B88506DC6A01B294A7" +
+                        "165DD1C3470F7BE7B396AA0DB7D50C4051E7C7E1C8A7D21A" +
+                        "2B5878C0BCB163CAA79366E7A1162FDC88429616CD3E6977" +
+                        "8D327520A6BBBF71D8AA2E03EC4A9DAA0E77CF93E1EE30D2 ",
+                        "129FF6D31A23FFBC" +
+                        "870632B35EE477C2280DDD2ECDABEDB900C78418BE2D243B" +
+                        "B9D8E5093ECE7B6BF48638D8F704D134ADDEB7F4E9D5C142" +
+                        "CD05683E72B516486AF24AEC15D61E81E270DD4EBED91B62" +
+                        "12EB8896A6250D5C8BC3A4A12F7E3068FBDF856F47EB23D3" +
+                        "79F82C1EBCD1585FB260B9C0C42625FBCEE68CAD773CD5B1"})
+                .setPersonalizationString(
+                    "404142434445464748494A4B4C4D4E" +
+                        "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                        "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                        "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                        "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE"),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    false,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "7AE31A2DEC31075F" +
+                        "E5972660C16D22ECC0D415C5693001BE5A468B590BC1AE2C" +
+                        "43F647F8D681AEEA0D87B79B0B4E5D089CA2C9D327534234" +
+                        "0254E6B04690D77A71A294DA9568479EEF8BB2A2110F18B6" +
+                        "22F60F35235DE0E8F9D7E98105D84AA24AF0757AF005DFD5" +
+                        "2FA51DE3F44FCE0C5F3A27FCE8B0F6E4A3F7C7B53CE34A3D",
+                        "D83A8084630F286D" +
+                        "A4DB49B9F6F608C8993F7F1397EA0D6F4A72CF3EF2733A11" +
+                        "AB823C29F2EBDEC3EDE962F93D920A1DB59C84E1E879C29F" +
+                        "5F9995FC3A6A3AF9B587CA7C13EA197D423E81E1D6469942" +
+                        "B6E2CA83A97E91F6B298266AC148A1809776C26AF5E239A5" +
+                        "5A2BEB9E752203A694E1F3FE2B3E6A0C9C314421CDB55FBD "})
+                .setPersonalizationString(
+                    "404142434445464748494A4B4C4D4E" +
+                    "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                    "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                    "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                    "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE")
+                .addAdditionalInput(
+                    "606162636465666768696A6B6C6D6E" +
+                    "6F707172737475767778797A7B7C7D7E7F80818283848586" +
+                    "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                    "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                    "B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCE")
+                .addAdditionalInput(
+                    "A0A1A2A3A4A5A6A7A8A9AAABACADAE" +
+                    "AFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6" +
+                    "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                    "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6" +
+                    "F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E"),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    true,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "28FD6060C4F35F4D" +
+                            "317AB2060EE32019E0DAA330F3F5650BBCA57CB67EE6AF1C" +
+                            "6F25D1B01F3601EDA85DC2ED29A9B2BA4C85CF491CE7185F" +
+                            "1A2BD9378AE3C655BD1CEC2EE108AE7FC382989F6D4FEA8A" +
+                            "B01499697C2F07945CE02C5ED617D04287FEAF3BA638A4CE" +
+                            "F3BB6B827E40AF16279580FCF1FDAD830930F7FDE341E2AF",
+                        "C0B1601AFE39338B" +
+                            "58DC2BE7C256AEBE3C21C5A939BEEC7E97B3528AC420F0C6" +
+                            "341847187666E0FF578A8EB0A37809F877365A28DF2FA0F0" +
+                            "6354A6F02496747369375B9A9D6B756FDC4A8FB308E08256" +
+                            "9D79A85BB960F747256626389A3B45B0ABE7ECBC39D5CD7B" +
+                            "2C18DF2E5FDE8C9B8D43474C54B6F9839468445929B438C7"}),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    true,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "72691D2103FB567C" +
+                        "CD30370715B36666F63430087B1C688281CA0974DB456BDB" +
+                        "A7EB5C48CFF62EA05F9508F3B530CE995A272B11EC079C13" +
+                        "923EEF8E011A93C19B58CC6716BC7CB8BD886CAA60C14D85" +
+                        "C023348BD77738C475D6C7E1D9BFF4B12C43D8CC73F838DC" +
+                        "4F8BD476CF8328EEB71B3D873D6B7B859C9B21065638FF95",
+                        "8570DA3D47E1E160" +
+                        "5CF3E44B8D328B995EFC64107B6292D1B1036B5F88CE3160" +
+                        "2F12BEB71D801C0942E7C0864B3DB67A9356DB203490D881" +
+                        "24FE86BCE38AC2269B4FDA6ABAA884039DF80A0336A24D79" +
+                        "1EB3067C8F5F0CF0F18DD73B66A7B316FB19E02835CC6293" +
+                        "65FCD1D3BE640178ED9093B91B36E1D68135F2785BFF505C"})
+                .addAdditionalInput(
+                    "606162636465666768696A6B6C6D6E" +
+                    "6F707172737475767778797A7B7C7D7E7F80818283848586" +
+                    "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                    "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                    "B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCE")
+                .addAdditionalInput(
+                    "A0A1A2A3A4A5A6A7A8A9AAABACADAE" +
+                    "AFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6" +
+                    "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                    "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6" +
+                    "F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E"),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    true,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "AAE4DC3C9ECC74D9" +
+                        "061DD527117EF3D29E1E52B26853C539D6CA797E8DA3D0BB" +
+                        "171D8E30B8B194D8C28F7F6BE3B986B88506DC6A01B294A7" +
+                        "165DD1C3470F7BE7B396AA0DB7D50C4051E7C7E1C8A7D21A" +
+                        "2B5878C0BCB163CAA79366E7A1162FDC88429616CD3E6977" +
+                        "8D327520A6BBBF71D8AA2E03EC4A9DAA0E77CF93E1EE30D2 ",
+                        "129FF6D31A23FFBC" +
+                        "870632B35EE477C2280DDD2ECDABEDB900C78418BE2D243B" +
+                        "B9D8E5093ECE7B6BF48638D8F704D134ADDEB7F4E9D5C142" +
+                        "CD05683E72B516486AF24AEC15D61E81E270DD4EBED91B62" +
+                        "12EB8896A6250D5C8BC3A4A12F7E3068FBDF856F47EB23D3" +
+                        "79F82C1EBCD1585FB260B9C0C42625FBCEE68CAD773CD5B1"})
+                .setPersonalizationString(
+                    "404142434445464748494A4B4C4D4E" +
+                        "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                        "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                        "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                        "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE"),
+                new DRBGTestVector(
+                    new Sha512Digest(),
+                    new SHA512EntropyProvider().Get(888),
+                    true,
+                    "202122232425262728292A2B2C2D2E2F",
+                    256,
+                    new String[]{
+                        "B8E827652175E6E0" +
+                        "6E513C7BE94B5810C14ED94AD903647940CAEB7EE014C848" +
+                        "8DCBBE6D4D6616D06656A3DC707CDAC4F02EE6D8408C065F" +
+                        "CB068C0760DA47C5D60E5D70D09DC3929B6979615D117F7B" +
+                        "EDCC661A98514B3A1F55B2CBABDCA59F11823E4838065F1F" +
+                        "8431CBF28A577738234AF3F188C7190CC19739E72E9BBFFF",
+                        "7ED41B9CFDC8C256" +
+                        "83BBB4C553CC2DC61F690E62ABC9F038A16B8C519690CABE" +
+                        "BD1B5C196C57CF759BB9871BE0C163A57315EA96F615136D" +
+                        "064572F09F26D659D24211F9610FFCDFFDA8CE23FFA96735" +
+                        "7595182660877766035EED800B05364CE324A75EB63FD9B3" +
+                        "EED956D147480B1D0A42DF8AA990BB628666F6F61D60CBE2"})
+                .setPersonalizationString(
+                    "404142434445464748494A4B4C4D4E" +
+                        "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                        "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                        "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                        "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE")
+                .addAdditionalInput(
+                    "606162636465666768696A6B6C6D6E" +
+                        "6F707172737475767778797A7B7C7D7E7F80818283848586" +
+                        "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                        "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                        "B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCE")
+                .addAdditionalInput(
+                    "A0A1A2A3A4A5A6A7A8A9AAABACADAE" +
+                    "AFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6" +
+                    "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                    "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6" +
+                    "F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E")
+                };
+        }
+
+        public override void PerformTest()
+        {
+            DRBGTestVector[] tests = createTestVectorData();
+            SP80090Drbg d;
+
+            for (int i = 0; i != tests.Length; i++)
+            {
+                DRBGTestVector tv = tests[i];
+
+                byte[] nonce = tv.nonce();
+                byte[] personalisationString = tv.personalizationString();
+
+                d = new HMacSP800Drbg(new HMac(tv.getDigest()), tv.securityStrength(), tv.entropySource(), personalisationString, nonce);
+
+                byte[] output = new byte[tv.expectedValue(0).Length];
+
+                d.Generate(output, tv.additionalInput(0), tv.predictionResistance());
+
+                byte[] expected = tv.expectedValue(0);
+
+                if (!AreEqual(expected, output))
+                {
+                    Fail("Test #" + (i + 1) + ".1 failed, expected " + Hex.ToHexString(tv.expectedValue(0)) + " got " + Hex.ToHexString(output));
+                }
+
+                output = new byte[tv.expectedValue(0).Length];
+
+                d.Generate(output, tv.additionalInput(1), tv.predictionResistance());
+
+                expected = tv.expectedValue(1);
+                if (!AreEqual(expected, output))
+                {
+                    Fail("Test #" + (i + 1) + ".2 failed, expected " + Hex.ToHexString(tv.expectedValue(1)) + " got " + Hex.ToHexString(output));
+                }
+            }
+
+            // Exception tests
+            //
+            try
+            {
+                d = new HMacSP800Drbg(new HMac(new Sha256Digest()), 256, new SHA256EntropyProvider().Get(128), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Not enough entropy for security strength required"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+        }
+
+        private class SHA1EntropyProvider : TestEntropySourceProvider
+        {
+            internal SHA1EntropyProvider() : base(
+                    Hex.Decode(
+                        "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F202122232425262728292A2B2C2D2E2F30313233343536"
+                            + "808182838485868788898A8B8C8D8E8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6"
+                            + "C0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6"), true)
+            {
+            }
+        }
+
+        internal class SHA256EntropyProvider : TestEntropySourceProvider
+        {
+            internal SHA256EntropyProvider() : base(Hex.Decode(
+                    "00010203040506" +
+                        "0708090A0B0C0D0E0F101112131415161718191A1B1C1D1E" +
+                        "1F202122232425262728292A2B2C2D2E2F30313233343536" +
+                        "80818283848586" +
+                        "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                        "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                        "C0C1C2C3C4C5C6" +
+                        "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                        "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6"), true)
+            {
+            }
+        }
+
+        internal class SHA384EntropyProvider : TestEntropySourceProvider
+        {
+            internal SHA384EntropyProvider() : base(Hex.Decode(
+                    "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20212223242526"
+                        + "2728292A2B2C2D2E2F303132333435363738393A3B3C3D3E3F404142434445464748494A4B4C4D4E4F50515253545556"
+                        + "5758595A5B5C5D5E5F606162636465666768696A6B6C6D6E" +
+                        "808182838485868788898A8B8C8D8E" +
+                        "8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6" +
+                        "A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBE" +
+                        "BFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6" +
+                        "D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEE" +
+                        "C0C1C2C3C4C5C6C7C8C9CACBCCCDCE" +
+                        "CFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6" +
+                        "E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6F7F8F9FAFBFCFDFE" +
+                        "FF000102030405060708090A0B0C0D0E0F10111213141516" +
+                        "1718191A1B1C1D1E1F202122232425262728292A2B2C2D2E"), true)
+            { }
+        }
+
+        internal class SHA512EntropyProvider : TestEntropySourceProvider
+        {
+            internal SHA512EntropyProvider() :
+                base(Hex.Decode(
+                    "000102030405060708090A0B0C0D0E" +
+                        "0F101112131415161718191A1B1C1D1E1F20212223242526" +
+                        "2728292A2B2C2D2E2F303132333435363738393A3B3C3D3E" +
+                        "3F404142434445464748494A4B4C4D4E4F50515253545556" +
+                        "5758595A5B5C5D5E5F606162636465666768696A6B6C6D6E" +
+                        "808182838485868788898A8B8C8D8E" +
+                        "8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6" +
+                        "A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBE" +
+                        "BFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6" +
+                        "D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEE" +
+                        "C0C1C2C3C4C5C6C7C8C9CACBCCCDCE" +
+                        "CFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6" +
+                        "E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6F7F8F9FAFBFCFDFE" +
+                        "FF000102030405060708090A0B0C0D0E0F10111213141516" +
+                        "1718191A1B1C1D1E1F202122232425262728292A2B2C2D2E"), true)
+            {
+            }
+        }
+    }
+}
diff --git a/crypto/test/src/crypto/prng/test/HashDrbgTest.cs b/crypto/test/src/crypto/prng/test/HashDrbgTest.cs
new file mode 100644
index 000000000..d9776e0d6
--- /dev/null
+++ b/crypto/test/src/crypto/prng/test/HashDrbgTest.cs
@@ -0,0 +1,471 @@
+using System;
+
+using Org.BouncyCastle.Crypto.Digests;
+using Org.BouncyCastle.Crypto.Prng.Drbg;
+using Org.BouncyCastle.Utilities.Test;
+using Org.BouncyCastle.Utilities.Encoders;
+using NUnit.Framework;
+
+namespace Org.BouncyCastle.Crypto.Prng.Test
+{
+    /**
+     * DRBG Test
+     */
+    [TestFixture]
+    public class HashDrbgTest: SimpleTest
+    {
+        public override String Name
+    {
+            get
+            {
+                return "HashDRBG";
+            }
+        }
+
+        public static void main(String[] args)
+    {
+            RunTest(new HashDrbgTest());
+        }
+
+        private DRBGTestVector[] createTestVectorData()
+    {
+            return new DRBGTestVector[]
+                {
+                new DRBGTestVector(
+                            new Sha1Digest(),
+                            new SHA1EntropyProvider().Get(440),
+                            false,
+                            "2021222324",
+                            80,
+                            new String[]
+                                {
+                                    "9F7CFF1ECA23E750F66326969F11800F12088BA68E441D15D888B3FE12BF66FE057494F4546DE2F1",
+                                    "B77AA5C0CD55BBCEED7574AF223AFD988C7EEC8EFF4A94E5E89D26A04F58FA79F5E0D3702D7A9A6A"
+                                }
+                        ),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    false,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "AB438BD3B01A0AF85CFEE29F7D7B71621C4908B909124D430E7B406FB1086EA994C582E0D656D989",
+                            "29D9098F987E7005314A0F51B3DD2B8122F4AED706735DE6AD5DDBF223177C1E5F3AEBC52FAB90B9"
+                        })
+                    .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F70717273747576"),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    false,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "E76B4EDD5C865BC8AFD809A59B69B429AC7F4352A579BCF3F75E56249A3491F87C3CA6848B0FAB25",
+                            "6577B6B4F87A93240B199FE51A3B335313683103DECE171E3256FB7E803586CA4E45DD242EB01F70"
+                        })
+                    .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F90919293949596")
+                    .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6"),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    true,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "56EF4913373994D5539F4D7D17AFE7448CDF5E72416CC6A71A340059FA0D5AE526B23250C46C0944",
+                            "575B37A2739814F966C63B60A2C4F149CA9ACC84FC4B25493289B085C67B2E30F5F0B99A2C349E2A"
+                        }),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    true,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "532CA1165DCFF21C55592687639884AF4BC4B057DF8F41DE653AB44E2ADEC7C9303E75ABE277EDBF",
+                            "73C2C67C696D686D0C4DBCEB5C2AF7DDF6F020B6874FAE4390F102117ECAAFF54418529A367005A0"
+                        })
+                .setPersonalizationString("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F70717273747576"),
+                new DRBGTestVector(
+                    new Sha1Digest(),
+                    new SHA1EntropyProvider().Get(440),
+                    true,
+                    "2021222324",
+                    80,
+                    new String[]
+                        {
+                            "183C242A1430E46C4ED70B4DBE1BF9AB0AB8721CDCA2A2D1820AD6F6C956858543B2AA191D8D1287",
+                            "F196F9BD021C745CBD5AC7BFCE48EAAF0D0E7C091FBF436940E63A198EE770D9A4F0718669AF2BC9"
+                        })
+                    .addAdditionalInput("606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F90919293949596")
+                    .addAdditionalInput("A0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6"),
+                new DRBGTestVector(
+                    new Sha256Digest(),
+                    new SHA256EntropyProvider().Get(440),
+                    false,
+                    "2021222324252627",
+                    128,
+                    new String[]
+                        {
+                            "77E05A0E7DC78AB5D8934D5E93E82C06" +
+                            "A07C04CEE6C9C53045EEB485872777CF3B3E35C474F976B8" +
+                            "94BF301A86FA651F463970E89D4A0534B2ECAD29EC044E7E",
+                            "5FF4BA493C40CFFF3B01E472C575668C" +
+                            "CE3880B9290B05BFEDE5EC96ED5E9B2898508B09BC800EEE" +
+                            "099A3C90602ABD4B1D4F343D497C6055C87BB956D53BF351"
+                        }
+                ),
+                new DRBGTestVector(
+                    new Sha256Digest(),
+                    new SHA256EntropyProvider().Get(440),
+                    true,
+                    "2021222324252627",
+                    128,
+                    new String[]
+                        {
+                            "92275523C70E567BCF9B35EC50B933F8" +
+                            "12616DF586B7F72EE1BC7735A5C2654373CBBC72316DFF84" +
+                            "20A33BF02B97AC8D1952583F270ACD7005CC027F4CF1187E",
+                            "681A46B2AA8694A0FE4DEEA720927A84" +
+                            "EAAA985E59C19F8BE0984D8CBEF8C69B754167641946E040" +
+                            "EE2043E1CCB29DCF063C0A50830E428E6DCA262ECD77C542"
+                        }),
+                new DRBGTestVector(
+                            new Sha384Digest(),
+                            new SHA384EntropyProvider().Get(888),
+                            false,
+                            "202122232425262728292A2B",
+                            192,
+                            new String[]
+                                {
+                                    "04FF23AD15E78790ADD36B438BBC097C7A11747CC2CCEEDE" +
+                                    "2C978B23B3DC63B732C953061D7764990ABFEFC47A581B92" +
+                                    "1BC0428C4F12212460E406A0F0651E7F0CB9A90ABFDB07B5" +
+                                    "25565C74F0AA085082F6CF213AAFAD0C0646895078F1E1FE",
+                                    "4F35B85F95DEE3E873054905CFD02341653E18F529930CBE" +
+                                    "14D909F37FEAF2C790D22FAE7516B4590BE35D53E2FE1A35" +
+                                    "AFE4B6607CB358589C3B4D094A1D81FE0717F1DF5BDDEB3E" +
+                                    "114F130BB781E66C22B5B770E8AE115FF39F8ADAF66DEEDF"
+                                }
+                        ),
+                new DRBGTestVector(
+                        new Sha384Digest(),
+                        new SHA384EntropyProvider().Get(888),
+                        true,
+                        "202122232425262728292A2B",
+                        192,
+                        new String[]
+                            {
+                                "97993B78F7C31C0E876DC92EB7D6C408E09D608AD6B99D0E" +
+                                "A2229B05A578C426334FCC8A1C7E676ED2D89A5B4CDF5B3F" +
+                                "4ADF11936BF14F4E10909DBA9C24F4FDFFDE72351DA8E2CC" +
+                                "3B135A395373899E5F1A5955B880CA9B9E9DD4C9CA7FA4D4",
+                                "F5983946320E36C64EF283CA1F65D197CF81624EC6778E77" +
+                                "0E78949D84EF21A45CDD62D1DB76920D4C2836FC6AE5299F" +
+                                "AF1357D9701FAD10FBD88D1E2832239436D76EB271BDC3CA" +
+                                "04425EC88BC0E89A4D5C37FFCE7C6C3ABDE9C413AE6D3FEA"
+                            }
+                    ),
+                new DRBGTestVector(
+                            new Sha512Digest(),
+                            new SHA512EntropyProvider().Get(888),
+                            false,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                            {
+                                "DA126CF95C6BF97E" +
+                                "2F731F2137A907ACC70FD7AC9EBACD1C6E31C74029B052E3" +
+                                "AABC48F3B00993F2B2381F7650A55322A968C86E05DE88E6" +
+                                "367F6EF89A601DB4342E9086C7AC13B5E56C32E9E668040B" +
+                                "73847893C5BFD38A1CF44F348B4EEE4CD68ADB7E7B8C837F" +
+                                "19BC4F902761F7CFF24AB1D704FD11C4E929D8553753B55D",
+                                "400B977CE8A2BB6A" +
+                                "84C6FD1CF901459685ABF5408CFF4588CEDF52E2D2DC300A" +
+                                "A9B4FAED8CD0161C2172B1FD269253195883D6EBF21020F2" +
+                                "C20E5F2C81AE60C8595B834A229B1F5B726C1125717E6207" +
+                                "8886EF38E61E32707AD5F8116C6393DFB6E7C7AE0E8E92BB" +
+                                "D7E0C3D04BBA02F5169F2F569A58158915FEE4C9D28D45DB"
+                            }
+                        )
+                    .setPersonalizationString(
+                        "404142434445464748494A4B4C4D4E" +
+                        "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                        "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                        "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                        "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE")
+                    .addAdditionalInput(
+                        "606162636465666768696A6B6C6D6E" +
+                        "6F707172737475767778797A7B7C7D7E7F80818283848586" +
+                        "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                        "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                        "B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCE")
+                    .addAdditionalInput(
+                        "A0A1A2A3A4A5A6A7A8A9AAABACADAE" +
+                        "AFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6" +
+                        "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                        "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6" +
+                        "F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E"),
+                new DRBGTestVector(
+                        new Sha512Digest(),
+                        new SHA512EntropyProvider().Get(888),
+                        true,
+                        "202122232425262728292A2B2C2D2E2F",
+                        256,
+                        new String[]
+                        {
+                            "F93CA6855590A77F" +
+                            "07354097E90E026648B6115DF008FFEDBD9D9811F54E8286" +
+                            "EF00FDD6BA1E58DF2535E3FBDD9A9BA3754A97F36EE83322" +
+                            "1582060A1F37FCE4EE8826636B28EAD589593F4CA8B64738" +
+                            "8F24EB3F0A34796968D21BDEE6F81FD5DF93536F935937B8" +
+                            "025EC8CBF57DDB0C61F2E41463CC1516D657DA2829C6BF90",
+                            "4817618F48C60FB1" +
+                            "CE5BFBDA0CAF4591882A31F6EE3FE0F78779992A06EC60F3" +
+                            "7FB9A8D6108C231F0A927754B0599FA4FA27A4E25E065EF0" +
+                            "3085B892979DC0E7A1080883CAEBFDFD3665A8F2D061C521" +
+                            "F7D6E3DA2AF8B97B6B43B6EC831AF515070A83BBB9AC95ED" +
+                            "4EF49B756A2377A5F0833D847E27A88DDB0C2CE4AD782E7B "
+                        }
+                    ),
+                new DRBGTestVector(
+                        new Sha512Digest(),
+                        new SHA512EntropyProvider().Get(888),
+                        true,
+                        "202122232425262728292A2B2C2D2E2F",
+                        256,
+                        new String[]
+                        {
+                            "0455DD4AD7DBACB2" +
+                            "410BE58DF7248D765A4547ABAEE1743B0BCAD37EBD06DA7C" +
+                            "F7CE5E2216E525327E9E2005EBEF2CE53BD733B18128627D" +
+                            "3FD6153089373AF2606A1584646A0EA488BFEF45228699A0" +
+                            "89CEA8AEC44502D86D9591F3552C688B7F7B45FCB0C3C2B9" +
+                            "43C1CD8A6FC63DF4D81C3DA543C9CF2843855EA84E4F959C",
+                            "C047D46D7F614E4E" +
+                            "4A7952C79A451F8F7ACA379967E2977C401C626A2ED70D74" +
+                            "A63660579A354115BC8C8C8CC3AEA3050686A0CFCDB6FA9C" +
+                            "F78D4C2165BAF851C6F9B1CD16A2E14C15C6DAAC56C16E75" +
+                            "FC84A14D58B41622E88B0F1B1995587FD8BAA999CBA98025" +
+                            "4C8AB9A9691DF7B84D88B639A9A3106DEABEB63748B99C09"
+                        }
+                    )
+                .addAdditionalInput(
+                    "606162636465666768696A6B6C6D6E" +
+                    "6F707172737475767778797A7B7C7D7E7F80818283848586" +
+                    "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                    "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                    "B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCE")
+                .addAdditionalInput(
+                    "A0A1A2A3A4A5A6A7A8A9AAABACADAE" +
+                    "AFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6" +
+                    "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                    "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6" +
+                    "F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E"),
+                new DRBGTestVector(
+                            new Sha512Digest(),
+                            new SHA512EntropyProvider().Get(888),
+                            true,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                            {
+                                "22EB93A67911DA73" +
+                                "85D9180C78127DE1A04FF713114C07C9C615F7CC5EF72744" +
+                                "A2DDCD7C3CB85E65DED8EF5F240FBDCBEBBDE2BAAC8ECF7D" +
+                                "CBC8AC333E54607AD41DC495D83DF72A05EF55B127C1441C" +
+                                "9A0EFFDA2C7954DB6C2D04342EB812E5E0B11D6C395F41ED" +
+                                "A2702ECE5BA479E2DFA18F953097492636C12FE30CE5C968",
+                                "E66698CFBF1B3F2E" +
+                                "919C03036E584EAA81CF1C6666240AF05F70637043733954" +
+                                "D8A1E5A66A04C53C6900FDC145D4A3A80A31F5868ACE9AC9" +
+                                "4E14E2051F624A05EEA1F8B684AA5410BCE315E76EA07C71" +
+                                "5D6F34731320FF0DCF78D795E6EFA2DF92B98BE636CDFBA2" +
+                                "9008DD392112AEC202F2E481CB9D83F987FEA69CD1B368BB"
+                            }
+                        )
+                    .setPersonalizationString(
+                        "404142434445464748494A4B4C4D4E" +
+                            "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                            "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                            "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                            "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE"),
+                new DRBGTestVector(
+                            new Sha512Digest(),
+                            new SHA512EntropyProvider().Get(888),
+                            true,
+                            "202122232425262728292A2B2C2D2E2F",
+                            256,
+                            new String[]
+                            {
+                                "7596A76372308BD5" +
+                                "A5613439934678B35521A94D81ABFE63A21ACF61ABB88B61" +
+                                "E86A12C37F308F2BBBE32BE4B38D03AE808386494D70EF52" +
+                                "E9E1365DD18B7784CAB826F31D47579E4D57F69D8BF3152B" +
+                                "95741946CEBE58571DF58ED39980D9AF44E69F01E8989759" +
+                                "8E40171101A0E3302838E0AD9E849C01988993CF9F6E5263",
+                                "DBE5EE36FCD85301" +
+                                "303E1C3617C1AC5E23C08885D0BEFAAD0C85A0D89F85B9F1" +
+                                "6ECE3D88A24EB96504F2F13EFA7049621782F5DE2C416A0D" +
+                                "294CCFE53545C4E309C48E1E285A2B829A574B72B3C2FBE1" +
+                                "34D01E3706B486F2401B9820E17298A342666918E15B8462" +
+                                "87F8C5AF2D96B20FAF3D0BB392E15F4A06CDB0DECD1B6AD7"
+                            }
+                        )
+                    .setPersonalizationString(
+                        "404142434445464748494A4B4C4D4E" +
+                            "4F505152535455565758595A5B5C5D5E5F60616263646566" +
+                            "6768696A6B6C6D6E6F707172737475767778797A7B7C7D7E" +
+                            "7F808182838485868788898A8B8C8D8E8F90919293949596" +
+                            "9798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAE")
+                    .addAdditionalInput(
+                        "606162636465666768696A6B6C6D6E" +
+                            "6F707172737475767778797A7B7C7D7E7F80818283848586" +
+                            "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                            "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                            "B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6C7C8C9CACBCCCDCE")
+                    .addAdditionalInput(
+                        "A0A1A2A3A4A5A6A7A8A9AAABACADAE" +
+                            "AFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1C2C3C4C5C6" +
+                            "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                            "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6" +
+                            "F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E")
+                };
+        }
+
+        public override void PerformTest()
+        {
+            DRBGTestVector[] tests = createTestVectorData();
+            SP80090Drbg d;
+
+            for (int i = 0; i != tests.Length; i++)
+            {
+                DRBGTestVector tv = tests[i];
+
+                byte[] nonce = tv.nonce();
+                byte[] personalisationString = tv.personalizationString();
+
+                d = new HashSP800Drbg(tv.getDigest(), tv.securityStrength(), tv.entropySource(), personalisationString, nonce);
+
+                byte[] output = new byte[tv.expectedValue(0).Length];
+
+                d.Generate(output, tv.additionalInput(0), tv.predictionResistance());
+
+                byte[] expected = tv.expectedValue(0);
+
+                if (!AreEqual(expected, output))
+                {
+                    Fail("Test #" + (i + 1) + ".1 failed, expected " + Hex.ToHexString(tv.expectedValue(0)) + " got " + Hex.ToHexString(output));
+                }
+
+                output = new byte[tv.expectedValue(0).Length];
+
+                d.Generate(output, tv.additionalInput(1), tv.predictionResistance());
+
+                expected = tv.expectedValue(1);
+                if (!AreEqual(expected, output))
+                {
+                    Fail("Test #" + (i + 1) + ".2 failed, expected " + Hex.ToHexString(tv.expectedValue(1)) + " got " + Hex.ToHexString(output));
+                }
+            }
+
+            // Exception tests
+            //
+            try
+            {
+                d = new HashSP800Drbg(new Sha256Digest(), 256, new SHA256EntropyProvider().Get(128), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Not enough entropy for security strength required"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+
+            try
+            {
+                d = new HashSP800Drbg(new Sha1Digest(), 256, new SHA256EntropyProvider().Get(256), null, null);
+                Fail("no exception thrown");
+            }
+            catch (ArgumentException e)
+            {
+                if (!e.Message.Equals("Requested security strength is not supported by the derivation function"))
+                {
+                    Fail("Wrong exception", e);
+                }
+            }
+        }
+
+    internal class SHA1EntropyProvider: TestEntropySourceProvider
+    {
+        internal SHA1EntropyProvider(): base(
+                Hex.Decode(
+                    "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F202122232425262728292A2B2C2D2E2F30313233343536"
+                        + "808182838485868788898A8B8C8D8E8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6"
+                        + "C0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6"), true)
+        {}
+    }
+
+    internal class SHA256EntropyProvider: TestEntropySourceProvider
+    {
+        internal SHA256EntropyProvider(): base(Hex.Decode(
+                "00010203040506" +
+                    "0708090A0B0C0D0E0F101112131415161718191A1B1C1D1E" +
+                    "1F202122232425262728292A2B2C2D2E2F30313233343536" +
+                    "80818283848586" +
+                    "8788898A8B8C8D8E8F909192939495969798999A9B9C9D9E" +
+                    "9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6" +
+                    "C0C1C2C3C4C5C6" +
+                    "C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDE" +
+                    "DFE0E1E2E3E4E5E6E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6"), true)
+        { }
+    }
+
+    internal class SHA384EntropyProvider: TestEntropySourceProvider
+    {
+        internal SHA384EntropyProvider(): base(Hex.Decode(
+                "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20212223242526"
+                    + "2728292A2B2C2D2E2F303132333435363738393A3B3C3D3E3F404142434445464748494A4B4C4D4E4F50515253545556"
+                    + "5758595A5B5C5D5E5F606162636465666768696A6B6C6D6E" +
+                    "808182838485868788898A8B8C8D8E" +
+                    "8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6" +
+                    "A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBE" +
+                    "BFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6" +
+                    "D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEE" +
+                    "C0C1C2C3C4C5C6C7C8C9CACBCCCDCE" +
+                    "CFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6" +
+                    "E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6F7F8F9FAFBFCFDFE" +
+                    "FF000102030405060708090A0B0C0D0E0F10111213141516" +
+                    "1718191A1B1C1D1E1F202122232425262728292A2B2C2D2E"), true)
+        {}
+    }
+
+    internal class SHA512EntropyProvider: TestEntropySourceProvider
+    {
+        internal SHA512EntropyProvider(): base(Hex.Decode(
+                "000102030405060708090A0B0C0D0E" +
+                    "0F101112131415161718191A1B1C1D1E1F20212223242526" +
+                    "2728292A2B2C2D2E2F303132333435363738393A3B3C3D3E" +
+                    "3F404142434445464748494A4B4C4D4E4F50515253545556" +
+                    "5758595A5B5C5D5E5F606162636465666768696A6B6C6D6E" +
+                    "808182838485868788898A8B8C8D8E" +
+                    "8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6" +
+                    "A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBE" +
+                    "BFC0C1C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6" +
+                    "D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9EAEBECEDEE" +
+                    "C0C1C2C3C4C5C6C7C8C9CACBCCCDCE" +
+                    "CFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6" +
+                    "E7E8E9EAEBECEDEEEFF0F1F2F3F4F5F6F7F8F9FAFBFCFDFE" +
+                    "FF000102030405060708090A0B0C0D0E0F10111213141516" +
+                    "1718191A1B1C1D1E1F202122232425262728292A2B2C2D2E"), true)
+        { }
+    }
+}
+}
diff --git a/crypto/test/src/crypto/prng/test/TestEntropySourceProvider.cs b/crypto/test/src/crypto/prng/test/TestEntropySourceProvider.cs
new file mode 100644
index 000000000..a37bcd844
--- /dev/null
+++ b/crypto/test/src/crypto/prng/test/TestEntropySourceProvider.cs
@@ -0,0 +1,64 @@
+using System;
+
+namespace Org.BouncyCastle.Crypto.Prng.Test
+{
+    public class TestEntropySourceProvider: IEntropySourceProvider
+    {
+        private readonly byte[] data;
+        private readonly bool isPredictionResistant;
+
+        internal TestEntropySourceProvider(byte[] data, bool isPredictionResistant)
+        {
+            this.data = data;
+            this.isPredictionResistant = isPredictionResistant;
+        }
+
+        public IEntropySource Get(int bitsRequired)
+        {
+            return new EntropySource(bitsRequired, data, isPredictionResistant);
+        }
+
+        internal class EntropySource: IEntropySource
+        {
+            private readonly int bitsRequired;
+            private readonly byte[] data;
+            private readonly bool isPredictionResistant;
+
+            int index = 0;
+
+            internal EntropySource(int bitsRequired, byte[] data, bool isPredictionResistant)
+            {
+                this.bitsRequired = bitsRequired;
+                this.data = data;
+                this.isPredictionResistant = isPredictionResistant;
+            }
+
+            public bool IsPredictionResistant
+            {
+                get
+                {
+                    return isPredictionResistant;
+                }
+            }
+
+            public byte[] GetEntropy()
+            {
+                byte[] rv = new byte[bitsRequired / 8];
+
+                Array.Copy(data, index, rv, 0, rv.Length);
+
+                index += bitsRequired / 8;
+
+                return rv;
+            }
+
+            public int EntropySize
+            {
+                get
+                {
+                    return bitsRequired;
+                }
+            }
+    }
+}
+}