1/*
2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * AES low level APIs are deprecated for public use, but still ok for internal
12 * use where we're using them to implement the higher level EVP interface, as is
13 * the case here.
14 */
15#include "internal/deprecated.h"
16
17/* Dispatch functions for AES cipher modes ecb, cbc, ofb, cfb, ctr */
18
19#include "cipher_aes.h"
20#include "prov/implementations.h"
21#include "prov/providercommon.h"
22
23static OSSL_FUNC_cipher_freectx_fn aes_freectx;
24static OSSL_FUNC_cipher_dupctx_fn aes_dupctx;
25
26static void aes_freectx(void *vctx)
27{
28    PROV_AES_CTX *ctx = (PROV_AES_CTX *)vctx;
29
30    ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
31    OPENSSL_clear_free(ctx,  sizeof(*ctx));
32}
33
34static void *aes_dupctx(void *ctx)
35{
36    PROV_AES_CTX *in = (PROV_AES_CTX *)ctx;
37    PROV_AES_CTX *ret;
38
39    if (!ossl_prov_is_running())
40        return NULL;
41
42    ret = OPENSSL_malloc(sizeof(*ret));
43    if (ret == NULL) {
44        ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
45        return NULL;
46    }
47    in->base.hw->copyctx(&ret->base, &in->base);
48
49    return ret;
50}
51
52/* ossl_aes256ecb_functions */
53IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 256, 128, 0, block)
54/* ossl_aes192ecb_functions */
55IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 192, 128, 0, block)
56/* ossl_aes128ecb_functions */
57IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 128, 128, 0, block)
58/* ossl_aes256cbc_functions */
59IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 256, 128, 128, block)
60/* ossl_aes192cbc_functions */
61IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 192, 128, 128, block)
62/* ossl_aes128cbc_functions */
63IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 128, 128, 128, block)
64/* ossl_aes256ofb_functions */
65IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 256, 8, 128, stream)
66/* ossl_aes192ofb_functions */
67IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 192, 8, 128, stream)
68/* ossl_aes128ofb_functions */
69IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 128, 8, 128, stream)
70/* ossl_aes256cfb_functions */
71IMPLEMENT_generic_cipher(aes, AES, cfb,  CFB, 0, 256, 8, 128, stream)
72/* ossl_aes192cfb_functions */
73IMPLEMENT_generic_cipher(aes, AES, cfb,  CFB, 0, 192, 8, 128, stream)
74/* ossl_aes128cfb_functions */
75IMPLEMENT_generic_cipher(aes, AES, cfb,  CFB, 0, 128, 8, 128, stream)
76/* ossl_aes256cfb1_functions */
77IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 256, 8, 128, stream)
78/* ossl_aes192cfb1_functions */
79IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 192, 8, 128, stream)
80/* ossl_aes128cfb1_functions */
81IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 128, 8, 128, stream)
82/* ossl_aes256cfb8_functions */
83IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 256, 8, 128, stream)
84/* ossl_aes192cfb8_functions */
85IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 192, 8, 128, stream)
86/* ossl_aes128cfb8_functions */
87IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 128, 8, 128, stream)
88/* ossl_aes256ctr_functions */
89IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 256, 8, 128, stream)
90/* ossl_aes192ctr_functions */
91IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 192, 8, 128, stream)
92/* ossl_aes128ctr_functions */
93IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 128, 8, 128, stream)
94
95#include "cipher_aes_cts.inc"
96