EVP_CIPHER_meth_set_ctrl

Set the ctrl callback on a custom EVP_CIPHER (deprecated).

Synopsis

Declared in <openssl/evp.h>

[[deprecated]]
int
EVP_CIPHER_meth_set_ctrl(
    EVP_CIPHER* cipher,
    int(* ctrl)(EVP_CIPHER_CTX*, int, int, void*));

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 on success, or 0 on failure.

Parameters

NameDescription
cipherCustom cipher method to update.
ctrlCallback handling EVP_CIPHER_CTX_ctrl commands, or NULL to clear.