Make implementation of blocksize, iv_length and key_length mandatory
@@ -1109,12 +1109,16 @@ static void *evp_cipher_from_dispatch(int nid, const OSSL_DISPATCH *fns,
}
if ((fnciphcnt != 0 && fnciphcnt != 3 && fnciphcnt != 4)
|| (fnciphcnt == 0 && cipher->ccipher == NULL)
- || fnctxcnt != 2) {
+ || fnctxcnt != 2
+ || cipher->blocksize == NULL
+ || cipher->iv_length == NULL
+ || cipher->key_length == NULL) {
/*
* In order to be a consistent set of functions we must have at least
* a complete set of "encrypt" functions, or a complete set of "decrypt"
* functions, or a single "cipher" function. In all cases we need a
- * complete set of context management functions
+ * complete set of context management functions, as well as the
+ * blocksize, iv_length and key_length functions.
*/
EVP_CIPHER_meth_free(cipher);
EVPerr(EVP_F_EVP_CIPHER_FROM_DISPATCH, EVP_R_INVALID_PROVIDER_FUNCTIONS);
