diff options
Diffstat (limited to 'crypto/cmac/cmac.c')
| -rw-r--r-- | crypto/cmac/cmac.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/cmac/cmac.c b/crypto/cmac/cmac.c index ffe284797a..81a6490384 100644 --- a/crypto/cmac/cmac.c +++ b/crypto/cmac/cmac.c @@ -145,7 +145,7 @@ int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen, return 0; if ((bl = EVP_CIPHER_CTX_block_size(ctx->cctx)) < 0) return 0; - if (!EVP_Cipher(ctx->cctx, ctx->tbl, zero_iv, bl)) + if (EVP_Cipher(ctx->cctx, ctx->tbl, zero_iv, bl) <= 0) return 0; make_kn(ctx->k1, ctx->tbl, bl); make_kn(ctx->k2, ctx->k1, bl); @@ -186,12 +186,12 @@ int CMAC_Update(CMAC_CTX *ctx, const void *in, size_t dlen) return 1; data += nleft; /* Else not final block so encrypt it */ - if (!EVP_Cipher(ctx->cctx, ctx->tbl, ctx->last_block, bl)) + if (EVP_Cipher(ctx->cctx, ctx->tbl, ctx->last_block, bl) <= 0) return 0; } /* Encrypt all but one of the complete blocks left */ while (dlen > (size_t)bl) { - if (!EVP_Cipher(ctx->cctx, ctx->tbl, data, bl)) + if (EVP_Cipher(ctx->cctx, ctx->tbl, data, bl) <= 0) return 0; dlen -= bl; data += bl; |