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/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* Dispatch functions for Seed cipher modes ecb, cbc, ofb, cfb */
#include "cipher_seed.h"
#include "internal/provider_algs.h"
/* TODO (3.0) Figure out what flags are required */
#define SEED_FLAGS EVP_CIPH_FLAG_DEFAULT_ASN1
static OSSL_OP_cipher_freectx_fn seed_freectx;
static OSSL_OP_cipher_dupctx_fn seed_dupctx;
static void seed_freectx(void *vctx)
{
PROV_SEED_CTX *ctx = (PROV_SEED_CTX *)vctx;
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
static void *seed_dupctx(void *ctx)
{
PROV_SEED_CTX *in = (PROV_SEED_CTX *)ctx;
PROV_SEED_CTX *ret = OPENSSL_malloc(sizeof(*ret));
if (ret == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
return NULL;
}
*ret = *in;
return ret;
}
/* seed128ecb_functions */
IMPLEMENT_generic_cipher(seed, SEED, ecb, ECB, SEED_FLAGS, 128, 128, 0, block)
/* seed128cbc_functions */
IMPLEMENT_generic_cipher(seed, SEED, cbc, CBC, SEED_FLAGS, 128, 128, 128, block)
/* seed128ofb128_functions */
IMPLEMENT_generic_cipher(seed, SEED, ofb128, OFB, SEED_FLAGS, 128, 8, 128, stream)
/* seed128cfb128_functions */
IMPLEMENT_generic_cipher(seed, SEED, cfb128, CFB, SEED_FLAGS, 128, 8, 128, stream)
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