/src/openssl/providers/implementations/ciphers/cipher_idea_hw.c
Line | Count | Source |
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 | | * IDEA 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 | | #include "cipher_idea.h" |
18 | | |
19 | | static int cipher_hw_idea_initkey(PROV_CIPHER_CTX *ctx, |
20 | | const unsigned char *key, size_t keylen) |
21 | 0 | { |
22 | 0 | PROV_IDEA_CTX *ictx = (PROV_IDEA_CTX *)ctx; |
23 | 0 | IDEA_KEY_SCHEDULE *ks = &(ictx->ks.ks); |
24 | |
|
25 | 0 | if (ctx->enc |
26 | 0 | || ctx->mode == EVP_CIPH_OFB_MODE |
27 | 0 | || ctx->mode == EVP_CIPH_CFB_MODE) { |
28 | 0 | IDEA_set_encrypt_key(key, ks); |
29 | 0 | } else { |
30 | 0 | IDEA_KEY_SCHEDULE tmp; |
31 | |
|
32 | 0 | IDEA_set_encrypt_key(key, &tmp); |
33 | 0 | IDEA_set_decrypt_key(&tmp, ks); |
34 | 0 | OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE)); |
35 | 0 | } |
36 | 0 | return 1; |
37 | 0 | } |
38 | | |
39 | | #define PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, fname) \ |
40 | | IMPLEMENT_CIPHER_HW_##UCMODE(mode, idea, PROV_IDEA_CTX, IDEA_KEY_SCHEDULE, \ |
41 | | fname) static const PROV_CIPHER_HW idea_##mode \ |
42 | | = { \ |
43 | | cipher_hw_idea_initkey, \ |
44 | | cipher_hw_idea_##mode##_cipher \ |
45 | | }; \ |
46 | | const PROV_CIPHER_HW *ossl_prov_cipher_hw_idea_##mode(size_t keybits) \ |
47 | 0 | { \ |
48 | 0 | return &idea_##mode; \ |
49 | 0 | } Unexecuted instantiation: ossl_prov_cipher_hw_idea_cbc Unexecuted instantiation: ossl_prov_cipher_hw_idea_ofb64 Unexecuted instantiation: ossl_prov_cipher_hw_idea_cfb64 Unexecuted instantiation: ossl_prov_cipher_hw_idea_ecb |
50 | | |
51 | | #define PROV_CIPHER_HW_idea_mode(mode, UCMODE) \ |
52 | | PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, IDEA_##mode) |
53 | | |
54 | | PROV_CIPHER_HW_idea_mode(cbc, CBC) |
55 | | PROV_CIPHER_HW_idea_mode(ofb64, OFB) |
56 | | PROV_CIPHER_HW_idea_mode(cfb64, CFB) |
57 | | /* |
58 | | * IDEA_ecb_encrypt() does not have a enc parameter - so we create a macro |
59 | | * that ignores this parameter when IMPLEMENT_CIPHER_HW_ecb() is called. |
60 | | */ |
61 | 0 | #define IDEA2_ecb_encrypt(in, out, ks, enc) IDEA_ecb_encrypt(in, out, ks) |
62 | | |
63 | | PROV_CIPHER_HW_idea_mode_ex(ecb, ECB, IDEA2_ecb) |