diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2022-05-11 15:51:29 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2022-05-11 15:51:29 +0700 |
| commit | 5bd6847669a1e2244a891f1121dad911ca7f8157 (patch) | |
| tree | 75393ee2b9903d0626f9e0ba55e40fa2fbea355c | |
| parent | Check EncryptionAlgorithm explicitly (diff) | |
| download | BouncyCastle.NET-ed25519-5bd6847669a1e2244a891f1121dad911ca7f8157.tar.xz | |
Improve HMac reset
| -rw-r--r-- | crypto/src/crypto/macs/HMac.cs | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/crypto/src/crypto/macs/HMac.cs b/crypto/src/crypto/macs/HMac.cs index 460f3c5a0..3d42aec0f 100644 --- a/crypto/src/crypto/macs/HMac.cs +++ b/crypto/src/crypto/macs/HMac.cs @@ -136,11 +136,15 @@ namespace Org.BouncyCastle.Crypto.Macs */ public virtual void Reset() { - // Reset underlying digest - digest.Reset(); - - // Initialise the digest - digest.BlockUpdate(inputPad, 0, inputPad.Length); + if (ipadState != null) + { + ((IMemoable)digest).Reset(ipadState); + } + else + { + digest.Reset(); + digest.BlockUpdate(inputPad, 0, inputPad.Length); + } } private static void XorPad(byte[] pad, int len, byte n) |