diff options
-rw-r--r-- | crypto/src/crypto/modes/GCMBlockCipher.cs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/src/crypto/modes/GCMBlockCipher.cs b/crypto/src/crypto/modes/GCMBlockCipher.cs index 26b590ef9..41d850b41 100644 --- a/crypto/src/crypto/modes/GCMBlockCipher.cs +++ b/crypto/src/crypto/modes/GCMBlockCipher.cs @@ -566,7 +566,8 @@ namespace Org.BouncyCastle.Crypto.Modes if (bufOff >= BlockSize) { DecryptBlock(bufBlock, output); - Array.Copy(bufBlock, BlockSize, bufBlock, 0, bufOff -= BlockSize); + bufOff -= BlockSize; + bufBlock.AsSpan(0, bufOff).CopyFrom(bufBlock.AsSpan(BlockSize)); resultLen = BlockSize; available += BlockSize; |