fix_dh_paramgen_type: Avoid crash with invalid paramgen type
@@ -1072,7 +1072,11 @@ static int fix_dh_paramgen_type(enum state state,
return 0;
if (state == PRE_CTRL_STR_TO_PARAMS) {
- ctx->p2 = (char *)ossl_dh_gen_type_id2name(atoi(ctx->p2));
+ if ((ctx->p2 = (char *)ossl_dh_gen_type_id2name(atoi(ctx->p2)))
+ == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
+ return 0;
+ }
ctx->p1 = strlen(ctx->p2);
}
