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| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2023-02-13 00:21:54 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2023-02-13 00:21:54 +0700 |
| commit | 0cc90bd796fe6b7330f95dbd77903cea89b95dc2 (patch) | |
| tree | 50f469647c2831121d58c0453a0f373c5312d07a | |
| parent | Refactor Wnaf (diff) | |
| download | BouncyCastle.NET-ed25519-0cc90bd796fe6b7330f95dbd77903cea89b95dc2.tar.xz | |
Use 2 * output length for seed size
| -rw-r--r-- | crypto/src/security/SecureRandom.cs | 2 | ||||
| -rw-r--r-- | crypto/src/tls/crypto/impl/bc/BcTlsCrypto.cs | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/crypto/src/security/SecureRandom.cs b/crypto/src/security/SecureRandom.cs index 03552c38f..7eeba6f24 100644 --- a/crypto/src/security/SecureRandom.cs +++ b/crypto/src/security/SecureRandom.cs @@ -28,7 +28,7 @@ namespace Org.BouncyCastle.Security DigestRandomGenerator prng = new DigestRandomGenerator(digest); if (autoSeed) { - AutoSeed(prng, digest.GetByteLength()); + AutoSeed(prng, 2 * digest.GetDigestSize()); } return prng; } diff --git a/crypto/src/tls/crypto/impl/bc/BcTlsCrypto.cs b/crypto/src/tls/crypto/impl/bc/BcTlsCrypto.cs index 81a29fb08..0cad3e10d 100644 --- a/crypto/src/tls/crypto/impl/bc/BcTlsCrypto.cs +++ b/crypto/src/tls/crypto/impl/bc/BcTlsCrypto.cs @@ -162,7 +162,7 @@ namespace Org.BouncyCastle.Tls.Crypto.Impl.BC int cryptoHashAlgorithm = CryptoHashAlgorithm.sha256; IDigest digest = CreateDigest(cryptoHashAlgorithm); - int seedLength = TlsCryptoUtilities.GetHashInternalSize(cryptoHashAlgorithm); + int seedLength = 2 * TlsCryptoUtilities.GetHashOutputSize(cryptoHashAlgorithm); byte[] seed = new byte[seedLength]; SecureRandom.NextBytes(seed); @@ -180,7 +180,7 @@ namespace Org.BouncyCastle.Tls.Crypto.Impl.BC int cryptoHashAlgorithm = CryptoHashAlgorithm.sha256; IDigest digest = CreateDigest(cryptoHashAlgorithm); - int seedLength = TlsCryptoUtilities.GetHashInternalSize(cryptoHashAlgorithm); + int seedLength = 2 * TlsCryptoUtilities.GetHashOutputSize(cryptoHashAlgorithm); Span<byte> seed = seedLength <= 128 ? stackalloc byte[seedLength] : new byte[seedLength]; |