diff options
Diffstat (limited to 'crypto/cmac')
| -rw-r--r-- | crypto/cmac/cmac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/cmac/cmac.c b/crypto/cmac/cmac.c index b1be991f87..ec12970cb2 100644 --- a/crypto/cmac/cmac.c +++ b/crypto/cmac/cmac.c @@ -199,7 +199,8 @@ int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen) return 0; if ((bl = EVP_CIPHER_CTX_block_size(ctx->cctx)) < 0) return 0; - *poutlen = (size_t)bl; + if (poutlen != NULL) + *poutlen = (size_t)bl; if (!out) return 1; lb = ctx->nlast_block; |