diff options
Diffstat (limited to 'openssl/crypto/pkcs12/p12_mutl.c')
| -rw-r--r-- | openssl/crypto/pkcs12/p12_mutl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/openssl/crypto/pkcs12/p12_mutl.c b/openssl/crypto/pkcs12/p12_mutl.c index 70bfef6e5..9ab740d51 100644 --- a/openssl/crypto/pkcs12/p12_mutl.c +++ b/openssl/crypto/pkcs12/p12_mutl.c @@ -71,6 +71,7 @@ int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen, HMAC_CTX hmac; unsigned char key[EVP_MAX_MD_SIZE], *salt; int saltlen, iter; + int md_size; if (!PKCS7_type_is_data(p12->authsafes)) { @@ -87,13 +88,16 @@ int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen, PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_UNKNOWN_DIGEST_ALGORITHM); return 0; } + md_size = EVP_MD_size(md_type); + if (md_size < 0) + return 0; if(!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_MAC_ID, iter, - EVP_MD_size(md_type), key, md_type)) { + md_size, key, md_type)) { PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_KEY_GEN_ERROR); return 0; } HMAC_CTX_init(&hmac); - HMAC_Init_ex(&hmac, key, EVP_MD_size(md_type), md_type, NULL); + HMAC_Init_ex(&hmac, key, md_size, md_type, NULL); HMAC_Update(&hmac, p12->authsafes->d.data->data, p12->authsafes->d.data->length); HMAC_Final(&hmac, mac, maclen); |