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e1178600 | 1 | /* |
33388b44 | 2 | * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. |
e1178600 SL |
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 | ||
c72fa255 MC |
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 | ||
e1178600 SL |
17 | /* Dispatch functions for AES cipher modes ecb, cbc, ofb, cfb, ctr */ |
18 | ||
4a42e264 | 19 | #include "cipher_aes.h" |
af3e7e1b | 20 | #include "prov/implementations.h" |
f99d3eed | 21 | #include "prov/providercommon.h" |
e1178600 | 22 | |
363b1e5d DMSP |
23 | static OSSL_FUNC_cipher_freectx_fn aes_freectx; |
24 | static OSSL_FUNC_cipher_dupctx_fn aes_dupctx; | |
e1178600 SL |
25 | |
26 | static void aes_freectx(void *vctx) | |
27 | { | |
28 | PROV_AES_CTX *ctx = (PROV_AES_CTX *)vctx; | |
29 | ||
592dcfd3 | 30 | ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx); |
e1178600 SL |
31 | OPENSSL_clear_free(ctx, sizeof(*ctx)); |
32 | } | |
33 | ||
34 | static void *aes_dupctx(void *ctx) | |
35 | { | |
36 | PROV_AES_CTX *in = (PROV_AES_CTX *)ctx; | |
f99d3eed | 37 | PROV_AES_CTX *ret; |
e1178600 | 38 | |
f99d3eed P |
39 | if (!ossl_prov_is_running()) |
40 | return NULL; | |
41 | ||
42 | ret = OPENSSL_malloc(sizeof(*ret)); | |
e1178600 SL |
43 | if (ret == NULL) { |
44 | ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); | |
45 | return NULL; | |
46 | } | |
f75abcc0 | 47 | in->base.hw->copyctx(&ret->base, &in->base); |
e1178600 SL |
48 | |
49 | return ret; | |
50 | } | |
51 | ||
1be63951 | 52 | /* ossl_aes256ecb_functions */ |
e1178600 | 53 | IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 256, 128, 0, block) |
1be63951 | 54 | /* ossl_aes192ecb_functions */ |
e1178600 | 55 | IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 192, 128, 0, block) |
1be63951 | 56 | /* ossl_aes128ecb_functions */ |
e1178600 | 57 | IMPLEMENT_generic_cipher(aes, AES, ecb, ECB, 0, 128, 128, 0, block) |
1be63951 | 58 | /* ossl_aes256cbc_functions */ |
e1178600 | 59 | IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 256, 128, 128, block) |
1be63951 | 60 | /* ossl_aes192cbc_functions */ |
e1178600 | 61 | IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 192, 128, 128, block) |
1be63951 | 62 | /* ossl_aes128cbc_functions */ |
e1178600 | 63 | IMPLEMENT_generic_cipher(aes, AES, cbc, CBC, 0, 128, 128, 128, block) |
1be63951 | 64 | /* ossl_aes256ofb_functions */ |
e1178600 | 65 | IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 256, 8, 128, stream) |
1be63951 | 66 | /* ossl_aes192ofb_functions */ |
e1178600 | 67 | IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 192, 8, 128, stream) |
1be63951 | 68 | /* ossl_aes128ofb_functions */ |
e1178600 | 69 | IMPLEMENT_generic_cipher(aes, AES, ofb, OFB, 0, 128, 8, 128, stream) |
1be63951 | 70 | /* ossl_aes256cfb_functions */ |
e1178600 | 71 | IMPLEMENT_generic_cipher(aes, AES, cfb, CFB, 0, 256, 8, 128, stream) |
1be63951 | 72 | /* ossl_aes192cfb_functions */ |
e1178600 | 73 | IMPLEMENT_generic_cipher(aes, AES, cfb, CFB, 0, 192, 8, 128, stream) |
1be63951 | 74 | /* ossl_aes128cfb_functions */ |
e1178600 | 75 | IMPLEMENT_generic_cipher(aes, AES, cfb, CFB, 0, 128, 8, 128, stream) |
1be63951 | 76 | /* ossl_aes256cfb1_functions */ |
e1178600 | 77 | IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 256, 8, 128, stream) |
1be63951 | 78 | /* ossl_aes192cfb1_functions */ |
e1178600 | 79 | IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 192, 8, 128, stream) |
1be63951 | 80 | /* ossl_aes128cfb1_functions */ |
e1178600 | 81 | IMPLEMENT_generic_cipher(aes, AES, cfb1, CFB, 0, 128, 8, 128, stream) |
1be63951 | 82 | /* ossl_aes256cfb8_functions */ |
e1178600 | 83 | IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 256, 8, 128, stream) |
1be63951 | 84 | /* ossl_aes192cfb8_functions */ |
e1178600 | 85 | IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 192, 8, 128, stream) |
1be63951 | 86 | /* ossl_aes128cfb8_functions */ |
e1178600 | 87 | IMPLEMENT_generic_cipher(aes, AES, cfb8, CFB, 0, 128, 8, 128, stream) |
1be63951 | 88 | /* ossl_aes256ctr_functions */ |
e1178600 | 89 | IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 256, 8, 128, stream) |
1be63951 | 90 | /* ossl_aes192ctr_functions */ |
e1178600 | 91 | IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 192, 8, 128, stream) |
1be63951 | 92 | /* ossl_aes128ctr_functions */ |
e1178600 | 93 | IMPLEMENT_generic_cipher(aes, AES, ctr, CTR, 0, 128, 8, 128, stream) |
7cc355c2 SL |
94 | |
95 | #include "cipher_aes_cts.inc" |