diff options
Diffstat (limited to 'crypto/test/src/crypto/test/DigestTest.cs')
| -rw-r--r-- | crypto/test/src/crypto/test/DigestTest.cs | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/crypto/test/src/crypto/test/DigestTest.cs b/crypto/test/src/crypto/test/DigestTest.cs index 930979643..1809c07fb 100644 --- a/crypto/test/src/crypto/test/DigestTest.cs +++ b/crypto/test/src/crypto/test/DigestTest.cs @@ -1,7 +1,6 @@ using System; -using Org.BouncyCastle.Crypto; - +using Org.BouncyCastle.Security; using Org.BouncyCastle.Utilities; using Org.BouncyCastle.Utilities.Encoders; using Org.BouncyCastle.Utilities.Test; @@ -11,6 +10,8 @@ namespace Org.BouncyCastle.Crypto.Tests public abstract class DigestTest : SimpleTest { + internal static readonly SecureRandom Random = new SecureRandom(); + private IDigest digest; private string[] input; private string[] results; @@ -108,6 +109,8 @@ namespace Org.BouncyCastle.Crypto.Tests { Fail("failing memo copy vector test", results[results.Length - 1], Hex.ToHexString(resBuf)); } + + SpanConsistencyTests(this, digest); } private byte[] toByteArray( @@ -179,5 +182,57 @@ namespace Org.BouncyCastle.Crypto.Tests Fail("64k test failed"); } } + + internal static void SpanConsistencyTests(SimpleTest test, IDigest digest) + { + // NOTE: .NET Core 2.1 has Span<T>, but is tested against our .NET Standard 2.0 assembly. +//#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER +#if NET6_0_OR_GREATER || NETSTANDARD2_1_OR_GREATER + + // Span-based API consistency checks + byte[] data = new byte[16 + 256]; + Random.NextBytes(data); + + for (int len = 0; len <= 256; ++len) + { + int off = Random.Next(0, 17); + + SpanConsistencyTest(test, digest, data, off, len); + } +#endif + } + + internal static void SpanConsistencyTest(SimpleTest test, IDigest digest, byte[] buf, int off, int len) + { + // NOTE: .NET Core 2.1 has Span<T>, but is tested against our .NET Standard 2.0 assembly. +//#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER +#if NET6_0_OR_GREATER || NETSTANDARD2_1_OR_GREATER + digest.Reset(); + + byte[] arrayResult = DigestUtilities.DoFinal(digest, buf, off, len); + byte[] spanResult1 = DigestUtilities.DoFinal(digest, buf.AsSpan(off, len)); + + if (!test.AreEqual(arrayResult, spanResult1)) + { + test.Fail("failing span consistency test 1", Hex.ToHexString(arrayResult), Hex.ToHexString(spanResult1)); + } + + int pos = 0; + while (pos < len) + { + int next = 1 + Random.Next(len - pos); + digest.BlockUpdate(buf.AsSpan(off + pos, next)); + pos += next; + } + + byte[] spanResult2 = new byte[digest.GetDigestSize()]; + digest.DoFinal(spanResult2.AsSpan()); + + if (!test.AreEqual(arrayResult, spanResult2)) + { + test.Fail("failing span consistency test 2", Hex.ToHexString(arrayResult), Hex.ToHexString(spanResult2)); + } +#endif + } } } |