changes: note that some ctrl calls have a different error return.
Providers do not distinguish between invalid and other errors via the return
code.
Fixes
@@ -29,6 +29,12 @@ OpenSSL 3.0
*Boris Pismenny, John Baldwin and Andrew Gallatin*
+ * The error return values from some control calls (ctrl) have changed.
+ One significant change is that controls which used to return -2 for
+ invalid inputs, now return -1 indicating a generic error condition instead.
+
+ *Paul Dale*
+
* A public key check is now performed during EVP_PKEY_derive_set_peer().
Previously DH was internally doing this during EVP_PKEY_derive().
To disable this check use EVP_PKEY_derive_set_peer_ex(dh, peer, 0). This
