EVP_PKEY_meth_set

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

Name

Description

pmeth

Method table to update.

derive_init

Optional initializer invoked by EVP_PKEY_derive_init(), or NULL.

derive

Callback that writes the shared secret / derived key.

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