diff options
Diffstat (limited to 'crypto/evp/evp_lib.c')
| -rw-r--r-- | crypto/evp/evp_lib.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c index b9180812cf..d5ae5ca4ad 100644 --- a/crypto/evp/evp_lib.c +++ b/crypto/evp/evp_lib.c @@ -659,6 +659,8 @@ int EVP_CIPHER_CTX_get_nid(const EVP_CIPHER_CTX *ctx) int EVP_CIPHER_is_a(const EVP_CIPHER *cipher, const char *name) { + if (cipher == NULL) + return 0; if (cipher->prov != NULL) return evp_is_a(cipher->prov, cipher->name_id, NULL, name); return evp_is_a(NULL, 0, EVP_CIPHER_get0_name(cipher), name); @@ -713,6 +715,8 @@ int EVP_CIPHER_get_mode(const EVP_CIPHER *cipher) int EVP_MD_is_a(const EVP_MD *md, const char *name) { + if (md == NULL) + return 0; if (md->prov != NULL) return evp_is_a(md->prov, md->name_id, NULL, name); return evp_is_a(NULL, 0, EVP_MD_get0_name(md), name); |