EVP_CIPHER_CTX *session = EVP_CIPHER_CTX_new();
EVP_CIPHER_CTX_init(session);
LOG(a_sprintf("key size %d bits.\n", BITS_PER_BYTE * _key->length()));
EVP_CIPHER_CTX *session = EVP_CIPHER_CTX_new();
EVP_CIPHER_CTX_init(session);
LOG(a_sprintf("key size %d bits.\n", BITS_PER_BYTE * _key->length()));