diff options
Diffstat (limited to 'crypto/src/crypto/digests/GOST3411Digest.cs')
| -rw-r--r-- | crypto/src/crypto/digests/GOST3411Digest.cs | 54 |
1 files changed, 45 insertions, 9 deletions
diff --git a/crypto/src/crypto/digests/GOST3411Digest.cs b/crypto/src/crypto/digests/GOST3411Digest.cs index 123751baa..dc1d376c3 100644 --- a/crypto/src/crypto/digests/GOST3411Digest.cs +++ b/crypto/src/crypto/digests/GOST3411Digest.cs @@ -91,10 +91,7 @@ namespace Org.BouncyCastle.Crypto.Digests byteCount++; } - public void BlockUpdate( - byte[] input, - int inOff, - int length) + public void BlockUpdate(byte[] input, int inOff, int length) { while ((xBufOff != 0) && (length > 0)) { @@ -123,6 +120,34 @@ namespace Org.BouncyCastle.Crypto.Digests } } +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + public void BlockUpdate(ReadOnlySpan<byte> input) + { + while ((xBufOff != 0) && (input.Length > 0)) + { + Update(input[0]); + input = input[1..]; + } + + while (input.Length >= xBuf.Length) + { + input[..xBuf.Length].CopyTo(xBuf.AsSpan()); + + sumByteArray(xBuf); // calc sum M + processBlock(xBuf, 0); + input = input[xBuf.Length..]; + byteCount += (uint)xBuf.Length; + } + + // load in the remainder. + while (input.Length > 0) + { + Update(input[0]); + input = input[1..]; + } + } +#endif + // (i + 1 + 4(k - 1)) = 8i + k i = 0-3, k = 1-8 private byte[] K = new byte[32]; @@ -234,7 +259,7 @@ namespace Org.BouncyCastle.Crypto.Digests Array.Copy(S, 0, H, 0, H.Length); } - private void finish() + private void Finish() { ulong bitCount = byteCount * 8; Pack.UInt64_To_LE(bitCount, L); @@ -248,11 +273,9 @@ namespace Org.BouncyCastle.Crypto.Digests processBlock(Sum, 0); } - public int DoFinal( - byte[] output, - int outOff) + public int DoFinal(byte[] output, int outOff) { - finish(); + Finish(); H.CopyTo(output, outOff); @@ -261,6 +284,19 @@ namespace Org.BouncyCastle.Crypto.Digests return DIGEST_LENGTH; } +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + public int DoFinal(Span<byte> output) + { + Finish(); + + H.CopyTo(output); + + Reset(); + + return DIGEST_LENGTH; + } +#endif + /** * reset the chaining variables to the IV values. */ |