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-rw-r--r--crypto/NBuild.build2
-rw-r--r--crypto/Readme.html18
-rw-r--r--crypto/src/AssemblyInfo.cs6
-rw-r--r--crypto/src/math/raw/Mod.cs64
-rw-r--r--crypto/test/src/crypto/test/CSHAKETest.cs4
-rw-r--r--crypto/test/src/crypto/test/NistEccTest.cs16
-rw-r--r--crypto/test/src/pkcs/test/PKCS12StoreTest.cs4
-rw-r--r--crypto/test/src/tsp/test/NewTspTest.cs58
8 files changed, 98 insertions, 74 deletions
diff --git a/crypto/NBuild.build b/crypto/NBuild.build
index 06d297aae..e14102139 100644
--- a/crypto/NBuild.build
+++ b/crypto/NBuild.build
@@ -16,7 +16,7 @@
   <property name="dist-path" value="./dist"/>
 
   <!-- Version -->
-  <property name="version" value="1.8.8"/>
+  <property name="version" value="1.8.9"/>
   <property name="name" value="BouncyCastle.Crypto"/>
 
   <property name="OPTIONAL_STRONG_NAME" value="" />
diff --git a/crypto/Readme.html b/crypto/Readme.html
index 9a368f47a..12d48e0a9 100644
--- a/crypto/Readme.html
+++ b/crypto/Readme.html
@@ -31,6 +31,8 @@
 				<a href="#mozTocId3413">Notes:</a>
 		<ol>
             <li>
+                <a href="#mozTocId85323">Release 1.8.9</a>
+            <li>
                 <a href="#mozTocId85322">Release 1.8.8</a>
             <li>
                 <a href="#mozTocId85321">Release 1.8.7</a>
@@ -304,6 +306,22 @@ We state, where EC MQV has not otherwise been disabled or removed:
 		<hr style="WIDTH: 100%; HEIGHT: 2px">
 		<h3><a class="mozTocH3" name="mozTocId3413"></a>Notes:</h3>
 
+        <h4><a class="mozTocH4" name="mozTocId85323"></a>Release 1.8.9, Tuesday December 8, 2020</h4>
+
+        <h5>Additional Features and Functionality</h5>
+        <ul>
+            <li>Added CSHAKE digest and KMAC.</li>
+            <li>Added support for PKCS#5 Scheme 2 to Pkcs12Store.</li>
+            <li>Improved performance for GCM.</li>
+        </ul>
+        <h5>Additional Notes</h5>
+        <ul>
+            <li>
+                See the (cumulative) list of GitHub pull requests that we have accepted at
+                <a href="https://github.com/bcgit/bc-csharp/pulls?q=is%3Apr+is%3Aclosed">bcgit/bc-csharp</a>.
+            </li>
+        </ul>
+
         <h4><a class="mozTocH4" name="mozTocId85322"></a>Release 1.8.8, Monday September 21, 2020</h4>
 
         <h5>Additional Features and Functionality</h5>
diff --git a/crypto/src/AssemblyInfo.cs b/crypto/src/AssemblyInfo.cs
index 446c4d9a9..7332b4b25 100644
--- a/crypto/src/AssemblyInfo.cs
+++ b/crypto/src/AssemblyInfo.cs
@@ -33,9 +33,9 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Revision and Build Numbers
 // by using the '*' as shown below:
 
-[assembly: AssemblyVersion("1.8.8.0")]
-[assembly: AssemblyFileVersion("1.8.20265.1")]
-[assembly: AssemblyInformationalVersion("1.8.8")]
+[assembly: AssemblyVersion("1.8.9.0")]
+[assembly: AssemblyFileVersion("1.8.20343.1")]
+[assembly: AssemblyInformationalVersion("1.8.9")]
 
 //
 // In order to sign your assembly you must specify a key to use. Refer to the
diff --git a/crypto/src/math/raw/Mod.cs b/crypto/src/math/raw/Mod.cs
index 1dcfcb6b3..49ac91351 100644
--- a/crypto/src/math/raw/Mod.cs
+++ b/crypto/src/math/raw/Mod.cs
@@ -79,22 +79,18 @@ namespace Org.BouncyCastle.Math.Raw
             }
 
             int signF = F[len30 - 1] >> 31;
+            CNegate30(len30, signF, F);
 
             /*
              * D is in the range (-2.M, M). First, conditionally add M if D is negative, to bring it
              * into the range (-M, M). Then normalize by conditionally negating (according to signF)
              * and/or then adding M, to bring it into the range [0, M).
              */
-            int signD = D[len30 - 1] >> 31;
-            signD = CAdd30(len30, signD, D, M);
             CNormalize30(len30, signF, D, M);
 
             Decode30(bits, D, 0, z, 0);
             Debug.Assert(0 != Nat.LessThan(len32, z, m));
 
-            signF = CNegate30(len30, signF, F);
-            Debug.Assert(0 == signF);
-
             return (uint)(EqualTo(len30, F, 1) & EqualToZero(len30, G));
         }
 
@@ -228,24 +224,7 @@ namespace Org.BouncyCastle.Math.Raw
             return c;
         }
 
-        private static int CAdd30(int len30, int cond, int[] D, int[] M)
-        {
-            Debug.Assert(len30 > 0);
-            Debug.Assert(D.Length >= len30);
-            Debug.Assert(M.Length >= len30);
-
-            int c = 0, last = len30 - 1;
-            for (int i = 0; i < last; ++i)
-            {
-                c += D[i] + (M[i] & cond);
-                D[i] = c & M30; c >>= 30;
-            }
-            c += D[last] + (M[last] & cond);
-            D[last] = c; c >>= 30;
-            return c;
-        }
-
-        private static int CNegate30(int len30, int cond, int[] D)
+        private static void CNegate30(int len30, int cond, int[] D)
         {
             Debug.Assert(len30 > 0);
             Debug.Assert(D.Length >= len30);
@@ -257,8 +236,7 @@ namespace Org.BouncyCastle.Math.Raw
                 D[i] = c & M30; c >>= 30;
             }
             c += (D[last] ^ cond) - cond;
-            D[last] = c; c >>= 30;
-            return c;
+            D[last] = c;
         }
 
         private static void CNormalize30(int len30, int condNegate, int[] D, int[] M)
@@ -267,16 +245,36 @@ namespace Org.BouncyCastle.Math.Raw
             Debug.Assert(D.Length >= len30);
             Debug.Assert(M.Length >= len30);
 
-            int c = 0, last = len30 - 1;
-            int condAdd = (D[last] >> 31) ^ condNegate;
-            for (int i = 0; i < last; ++i)
+            int last = len30 - 1;
+
             {
-                c += (D[i] ^ condNegate) - condNegate + (M[i] & condAdd);
-                D[i] = c & M30; c >>= 30;
+                int c = 0, condAdd = D[last] >> 31;
+                for (int i = 0; i < last; ++i)
+                {
+                    int di = D[i] + (M[i] & condAdd);
+                    di = (di ^ condNegate) - condNegate;
+                    c += di; D[i] = c & M30; c >>= 30;
+                }
+                {
+                    int di = D[last] + (M[last] & condAdd);
+                    di = (di ^ condNegate) - condNegate;
+                    c += di; D[last] = c;
+                }
+            }
+
+            {
+                int c = 0, condAdd = D[last] >> 31;
+                for (int i = 0; i < last; ++i)
+                {
+                    int di = D[i] + (M[i] & condAdd);
+                    c += di; D[i] = c & M30; c >>= 30;
+                }
+                {
+                    int di = D[last] + (M[last] & condAdd);
+                    c += di; D[last] = c;
+                }
+                Debug.Assert(c >> 30 == 0);
             }
-            c += (D[last] ^ condNegate) - condNegate + (M[last] & condAdd);
-            D[last] = c;
-            Debug.Assert(c >> 30 == 0);
         }
 
         private static void Decode30(int bits, int[] x, int xOff, uint[] z, int zOff)
diff --git a/crypto/test/src/crypto/test/CSHAKETest.cs b/crypto/test/src/crypto/test/CSHAKETest.cs
index e7c6ce9e0..753663b4b 100644
--- a/crypto/test/src/crypto/test/CSHAKETest.cs
+++ b/crypto/test/src/crypto/test/CSHAKETest.cs
@@ -136,7 +136,7 @@ namespace Org.BouncyCastle.Crypto.Tests
 
             cshake.DoOutput(res, 0, res.Length);
 
-           Assert.IsTrue(!Arrays.AreEqual(Hex.Decode("c1c36925b6409a04f1b504fcbca9d82b4017277cb5ed2b2065fc1d3814d5aaf5"), res));
+            Assert.IsTrue(!Arrays.AreEqual(Hex.Decode("c1c36925b6409a04f1b504fcbca9d82b4017277cb5ed2b2065fc1d3814d5aaf5"), res));
 
             cshake.DoFinal(res, 0, res.Length);
 
@@ -146,7 +146,7 @@ namespace Org.BouncyCastle.Crypto.Tests
 
             string s = Hex.ToHexString(res);
 
-            Console.WriteLine(s);
+            //Console.WriteLine(s);
 
             Assert.IsTrue(Arrays.AreEqual(Hex.Decode("c1c36925b6409a04f1b504fcbca9d82b4017277cb5ed2b2065fc1d3814d5aaf5"), res));
 
diff --git a/crypto/test/src/crypto/test/NistEccTest.cs b/crypto/test/src/crypto/test/NistEccTest.cs
index 2b0edb63d..a8e4a6cb2 100644
--- a/crypto/test/src/crypto/test/NistEccTest.cs
+++ b/crypto/test/src/crypto/test/NistEccTest.cs
@@ -2,7 +2,9 @@ using System;
 using System.Collections;
 using System.IO;
 using System.Text.RegularExpressions;
+
 using NUnit.Framework;
+
 using Org.BouncyCastle.Asn1.X9;
 using Org.BouncyCastle.Math;
 using Org.BouncyCastle.Math.EC;
@@ -13,7 +15,10 @@ namespace Org.BouncyCastle.Crypto.Tests
     [TestFixture]
     public class NistEccTest : SimpleTest
     {
-        public override string Name { get; } = "NistEcc";
+        public override string Name
+        {
+            get { return "NistEcc"; }
+        }
 
         public override void PerformTest()
         {
@@ -43,24 +48,25 @@ namespace Org.BouncyCastle.Crypto.Tests
                 {
                     Regex capture = new Regex(@"^ ?(\w+):? =? ?(\w+)", RegexOptions.Compiled);
                     Match data = capture.Match(line);
+                    if (!data.Success)
+                        continue;
 
-                    if (!data.Success) continue;
                     string nistKey = data.Groups[1].Value;
                     string nistValue = data.Groups[2].Value;
                     switch (nistKey)
                     {
                         case "Curve":
                             // Change curve name from LNNN to L-NNN ie: P256 to P-256
-                            curve = $"{nistValue.Substring(0, 1)}-{nistValue.Substring(1)}";
+                            curve = nistValue.Insert(1, "-");
                             break;
                         case "k":
                             k = new BigInteger(nistValue, 10);
                             break;
                         case "x":
-                            x = new BigInteger(nistValue, radix: 16);
+                            x = new BigInteger(nistValue, 16);
                             break;
                         case "y":
-                            y = new BigInteger(nistValue, radix: 16);
+                            y = new BigInteger(nistValue, 16);
                             break;
                     }
 
diff --git a/crypto/test/src/pkcs/test/PKCS12StoreTest.cs b/crypto/test/src/pkcs/test/PKCS12StoreTest.cs
index 19749278c..3ac28b99f 100644
--- a/crypto/test/src/pkcs/test/PKCS12StoreTest.cs
+++ b/crypto/test/src/pkcs/test/PKCS12StoreTest.cs
@@ -1334,8 +1334,8 @@ namespace Org.BouncyCastle.Pkcs.Tests
 		public void TestFunction()
 		{
 			string resultText = Perform().ToString();
-			Console.Out.WriteLine(resultText);
-			Assert.AreEqual(Name + ": Okay", resultText);
+
+            Assert.AreEqual(Name + ": Okay", resultText);
 		}
 	}
 }
diff --git a/crypto/test/src/tsp/test/NewTspTest.cs b/crypto/test/src/tsp/test/NewTspTest.cs
index 74b3222ce..4c9da7edb 100644
--- a/crypto/test/src/tsp/test/NewTspTest.cs
+++ b/crypto/test/src/tsp/test/NewTspTest.cs
@@ -598,7 +598,7 @@ namespace Org.BouncyCastle.Tsp.Tests
 
 				Assert.Fail("response validation failed on invalid nonce.");
 			}
-			catch (TspValidationException e)
+			catch (TspValidationException)
 			{
 				// ignore
 			}
@@ -611,7 +611,7 @@ namespace Org.BouncyCastle.Tsp.Tests
 
 				Assert.Fail("response validation failed on wrong digest.");
 			}
-			catch (TspValidationException e)
+			catch (TspValidationException)
 			{
 				// ignore
 			}
@@ -624,7 +624,7 @@ namespace Org.BouncyCastle.Tsp.Tests
 
 				Assert.Fail("response validation failed on wrong digest.");
 			}
-			catch (TspValidationException e)
+			catch (TspValidationException)
 			{
 				// ignore
 			}
@@ -670,27 +670,20 @@ namespace Org.BouncyCastle.Tsp.Tests
 			}
 
 
-			EssCertID essCertid = new EssCertID(certHash, issuerSerial);
-			EssCertIDv2 essCertidV2 = new EssCertIDv2(certHash256, issuerSerial);
+			EssCertID essCertID = new EssCertID(certHash, issuerSerial);
+			EssCertIDv2 essCertIDv2 = new EssCertIDv2(certHash256, issuerSerial);
 
-			signerInfoGenBuilder.WithSignedAttributeGenerator(new TestAttrGen()
-			{
-				EssCertID = essCertid,
-				EssCertIDv2 = essCertidV2
-			});
+            signerInfoGenBuilder.WithSignedAttributeGenerator(new TestAttrGen(essCertID, essCertIDv2));
 
 
 			Asn1SignatureFactory sigfact = new Asn1SignatureFactory("SHA1WithRSA", privateKey);
-			SignerInfoGenerator
-				 signerInfoGenerator = signerInfoGenBuilder.Build(sigfact, cert);
+			SignerInfoGenerator signerInfoGenerator = signerInfoGenBuilder.Build(sigfact, cert);
 
-			TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator(
-				signerInfoGenerator,
-				Asn1DigestFactory.Get(OiwObjectIdentifiers.IdSha1), new DerObjectIdentifier("1.2"), true);
+            TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator(signerInfoGenerator,
+                Asn1DigestFactory.Get(OiwObjectIdentifiers.IdSha1), new DerObjectIdentifier("1.2"), true);
 
+            tsTokenGen.SetCertificates(certs);
 
-			tsTokenGen.SetCertificates(certs);
-		
 
 			TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator();
 			TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100));
@@ -904,28 +897,37 @@ namespace Org.BouncyCastle.Tsp.Tests
 				.Build(sigfact, cert);
 		}
 
-
-
-
-		private class TestAttrGen : CmsAttributeTableGenerator
+        private class TestAttrGen : CmsAttributeTableGenerator
 		{
+            private readonly EssCertID mEssCertID;
+            private readonly EssCertIDv2 mEssCertIDv2;
 
-			public EssCertID EssCertID { get; set; }
+            public TestAttrGen(EssCertID essCertID, EssCertIDv2 essCertIDv2)
+            {
+                this.mEssCertID = essCertID;
+                this.mEssCertIDv2 = essCertIDv2;
+            }
+
+			public EssCertID EssCertID
+            {
+                get { return mEssCertID; }
+            }
 
-			public EssCertIDv2 EssCertIDv2 { get; set; }
+            public EssCertIDv2 EssCertIDv2
+            {
+                get { return mEssCertIDv2; }
+            }
 
-			public Asn1.Cms.AttributeTable GetAttributes(IDictionary parameters)
+            public Asn1.Cms.AttributeTable GetAttributes(IDictionary parameters)
 			{
 				CmsAttributeTableGenerator attrGen = new DefaultSignedAttributeTableGenerator();
 
-				Asn1.Cms.AttributeTable table = attrGen.GetAttributes(parameters);
+                Asn1.Cms.AttributeTable table = attrGen.GetAttributes(parameters);
 				table = table.Add(PkcsObjectIdentifiers.IdAASigningCertificate, new SigningCertificate(EssCertID));
 				table = table.Add(PkcsObjectIdentifiers.IdAASigningCertificateV2, new SigningCertificateV2(new EssCertIDv2[] { EssCertIDv2 }));
 
-				return table;
+                return table;
 			}
 		}
-
 	}
-
 }