151 lines
4.6 KiB
C
151 lines
4.6 KiB
C
/*
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* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/evp.h>
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#include "internal/evp_int.h"
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#include "evp_locl.h"
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EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len)
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{
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EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER));
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if (cipher != NULL) {
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cipher->nid = cipher_type;
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cipher->block_size = block_size;
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cipher->key_len = key_len;
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}
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return cipher;
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}
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EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher)
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{
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EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size,
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cipher->key_len);
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if (to != NULL)
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memcpy(to, cipher, sizeof(*to));
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return to;
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}
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void EVP_CIPHER_meth_free(EVP_CIPHER *cipher)
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{
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OPENSSL_free(cipher);
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}
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int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len)
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{
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cipher->iv_len = iv_len;
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return 1;
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}
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int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags)
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{
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cipher->flags = flags;
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return 1;
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}
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int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size)
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{
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cipher->ctx_size = ctx_size;
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return 1;
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}
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int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
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int (*init) (EVP_CIPHER_CTX *ctx,
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const unsigned char *key,
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const unsigned char *iv,
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int enc))
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{
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cipher->init = init;
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return 1;
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}
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int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
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int (*do_cipher) (EVP_CIPHER_CTX *ctx,
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unsigned char *out,
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const unsigned char *in,
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size_t inl))
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{
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cipher->do_cipher = do_cipher;
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return 1;
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}
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int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
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int (*cleanup) (EVP_CIPHER_CTX *))
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{
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cipher->cleanup = cleanup;
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return 1;
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}
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int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
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int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
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ASN1_TYPE *))
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{
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cipher->set_asn1_parameters = set_asn1_parameters;
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return 1;
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}
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int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
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int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
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ASN1_TYPE *))
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{
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cipher->get_asn1_parameters = get_asn1_parameters;
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return 1;
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}
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int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
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int (*ctrl) (EVP_CIPHER_CTX *, int type,
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int arg, void *ptr))
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{
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cipher->ctrl = ctrl;
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return 1;
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}
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int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
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const unsigned char *key,
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const unsigned char *iv,
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int enc)
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{
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return cipher->init;
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}
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int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
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unsigned char *out,
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const unsigned char *in,
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size_t inl)
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{
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return cipher->do_cipher;
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}
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int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *)
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{
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return cipher->cleanup;
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}
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int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
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ASN1_TYPE *)
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{
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return cipher->set_asn1_parameters;
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}
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int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
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ASN1_TYPE *)
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{
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return cipher->get_asn1_parameters;
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}
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int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
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int type, int arg,
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void *ptr)
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{
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return cipher->ctrl;
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}
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