EVP_PKEY_meth_set_derive

Install key-derivation init/derive callbacks on a legacy EVP_PKEY_METHOD.

Synopsis

Declared in <openssl/evp.h>

[[deprecated]]
void
EVP_PKEY_meth_set_derive(
    EVP_PKEY_METHOD* pmeth,
    int(* derive_init)(EVP_PKEY_CTX*),
    int(* derive)(EVP_PKEY_CTX*, unsigned char*, size_t*));

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Parameters

NameDescription
pmethMethod table to update.
derive_initOptional initializer invoked by EVP_PKEY_derive_init(), or NULL.
deriveCallback that writes the shared secret / derived key.