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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/crypto/openssl/providers/implementations/ciphers/cipher_aes.c
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/*

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 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.

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 *

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 * Licensed under the Apache License 2.0 (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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/*

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 * AES low level APIs are deprecated for public use, but still ok for internal

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 * use where we're using them to implement the higher level EVP interface, as is

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 * the case here.

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 */

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#include "internal/deprecated.h"

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/* Dispatch functions for AES cipher modes ecb, cbc, ofb, cfb, ctr */

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#include "cipher_aes.h"

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#include "prov/implementations.h"

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#include "prov/providercommon.h"

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static OSSL_FUNC_cipher_freectx_fn aes_freectx;

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static OSSL_FUNC_cipher_dupctx_fn aes_dupctx;

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static void aes_freectx(void *vctx)

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{

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    PROV_AES_CTX *ctx = (PROV_AES_CTX *)vctx;

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    ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);

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    OPENSSL_clear_free(ctx,  sizeof(*ctx));

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}

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static void *aes_dupctx(void *ctx)

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{

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    PROV_AES_CTX *in = (PROV_AES_CTX *)ctx;

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    PROV_AES_CTX *ret;

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    if (!ossl_prov_is_running())

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        return NULL;

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    ret = OPENSSL_malloc(sizeof(*ret));

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    if (ret == NULL)

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        return NULL;

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    in->base.hw->copyctx(&ret->base, &in->base);

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    return ret;

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}

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/* ossl_aes256ecb_functions */

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IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 256, 128, 0, block)

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/* ossl_aes192ecb_functions */

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IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 192, 128, 0, block)

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/* ossl_aes128ecb_functions */

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IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 128, 128, 0, block)

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/* ossl_aes256cbc_functions */

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IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 256, 128, 128, block)

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/* ossl_aes192cbc_functions */

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IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 192, 128, 128, block)

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/* ossl_aes128cbc_functions */

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IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 128, 128, 128, block)

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/* ossl_aes256ofb_functions */

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IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 256, 8, 128, stream)

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/* ossl_aes192ofb_functions */

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IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 192, 8, 128, stream)

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/* ossl_aes128ofb_functions */

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IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 128, 8, 128, stream)

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/* ossl_aes256cfb_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb,  CFB, 0, 256, 8, 128, stream)

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/* ossl_aes192cfb_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb,  CFB, 0, 192, 8, 128, stream)

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/* ossl_aes128cfb_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb,  CFB, 0, 128, 8, 128, stream)

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/* ossl_aes256cfb1_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 256, 8, 128, stream)

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/* ossl_aes192cfb1_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 192, 8, 128, stream)

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/* ossl_aes128cfb1_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 128, 8, 128, stream)

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/* ossl_aes256cfb8_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 256, 8, 128, stream)

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/* ossl_aes192cfb8_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 192, 8, 128, stream)

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/* ossl_aes128cfb8_functions */

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IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 128, 8, 128, stream)

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/* ossl_aes256ctr_functions */

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IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 256, 8, 128, stream)

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/* ossl_aes192ctr_functions */

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IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 192, 8, 128, stream)

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/* ossl_aes128ctr_functions */

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IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 128, 8, 128, stream)

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#include "cipher_aes_cts.inc"

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