diff options
| -rw-r--r-- | crypto/src/crypto/engines/SM2Engine.cs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crypto/src/crypto/engines/SM2Engine.cs b/crypto/src/crypto/engines/SM2Engine.cs index ab7e9cd17..1a121c192 100644 --- a/crypto/src/crypto/engines/SM2Engine.cs +++ b/crypto/src/crypto/engines/SM2Engine.cs @@ -62,6 +62,11 @@ namespace Org.BouncyCastle.Crypto.Engines public virtual byte[] ProcessBlock(byte[] input, int inOff, int inLen) { + if ((inOff + inLen) > input.Length || inLen == 0) + { + throw new DataLengthException("input buffer too short"); + } + if (mForEncryption) { return Encrypt(input, inOff, inLen); |