diff options
Diffstat (limited to 'src/libstrongswan/plugins/openssl/openssl_hmac.c')
| -rw-r--r-- | src/libstrongswan/plugins/openssl/openssl_hmac.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/libstrongswan/plugins/openssl/openssl_hmac.c b/src/libstrongswan/plugins/openssl/openssl_hmac.c index 4f0bcc7c3..065187a8c 100644 --- a/src/libstrongswan/plugins/openssl/openssl_hmac.c +++ b/src/libstrongswan/plugins/openssl/openssl_hmac.c @@ -69,15 +69,26 @@ struct private_mac_t { * Current HMAC context */ HMAC_CTX hmac; + + /** + * Key set on HMAC_CTX? + */ + bool key_set; }; METHOD(mac_t, set_key, bool, private_mac_t *this, chunk_t key) { #if OPENSSL_VERSION_NUMBER >= 0x10000000L - return HMAC_Init_ex(&this->hmac, key.ptr, key.len, this->hasher, NULL); + if (HMAC_Init_ex(&this->hmac, key.ptr, key.len, this->hasher, NULL)) + { + this->key_set = TRUE; + return TRUE; + } + return FALSE; #else /* OPENSSL_VERSION_NUMBER < 1.0 */ HMAC_Init_ex(&this->hmac, key.ptr, key.len, this->hasher, NULL); + this->key_set = TRUE; return TRUE; #endif } @@ -85,6 +96,10 @@ METHOD(mac_t, set_key, bool, METHOD(mac_t, get_mac, bool, private_mac_t *this, chunk_t data, u_int8_t *out) { + if (!this->key_set) + { + return FALSE; + } #if OPENSSL_VERSION_NUMBER >= 0x10000000L if (!HMAC_Update(&this->hmac, data.ptr, data.len)) { @@ -153,11 +168,6 @@ static mac_t *hmac_create(hash_algorithm_t algo) } HMAC_CTX_init(&this->hmac); - if (!set_key(this, chunk_empty)) - { - destroy(this); - return NULL; - } return &this->public; } |