e_aes.c: additional sanity check in aes_xts_cipher.

This commit is contained in:
Andy Polyakov 2011-11-12 13:26:36 +00:00
parent ff6f9f96fd
commit 32268b183f

View file

@ -1113,7 +1113,7 @@ static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
if (!xctx->xts.key1 || !xctx->xts.key2)
return 0;
if (!out || !in)
if (!out || !in || len<AES_BLOCK_SIZE)
return 0;
#ifdef OPENSSL_FIPS
/* Requirement of SP800-38E */