- EVP_EncryptInit(&ctx, n->cipher, n->key, n->key + n->cipher->key_len);
- EVP_EncryptUpdate(&ctx, (char *) &outpkt->seqno, &outlen,
+ EVP_EncryptInit_ex(&packet_ctx, n->cipher, NULL, n->key, n->key + n->cipher->key_len);
+ EVP_EncryptUpdate(&packet_ctx, (char *) &outpkt->seqno, &outlen,