projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| f22431f2 SL |
1 | /* |
| 2 | * Copyright 2019 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 | #include "cipher_idea.h" | |
| 11 | ||
| 12 | static int cipher_hw_idea_initkey(PROV_CIPHER_CTX *ctx, | |
| 13 | const unsigned char *key, size_t keylen) | |
| 14 | { | |
| 15 | PROV_IDEA_CTX *ictx = (PROV_IDEA_CTX *)ctx; | |
| 16 | IDEA_KEY_SCHEDULE *ks = &(ictx->ks.ks); | |
| 17 | ||
| 18 | if (ctx->enc | |
| 19 | || ctx->mode == EVP_CIPH_OFB_MODE | |
| 20 | || ctx->mode == EVP_CIPH_CFB_MODE) { | |
| 21 | IDEA_set_encrypt_key(key, ks); | |
| 22 | } else { | |
| 23 | IDEA_KEY_SCHEDULE tmp; | |
| 24 | ||
| 25 | IDEA_set_encrypt_key(key, &tmp); | |
| 26 | IDEA_set_decrypt_key(&tmp, ks); | |
| 27 | OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE)); | |
| 28 | } | |
| 29 | return 1; | |
| 30 | } | |
| 31 | ||
| 32 | # define PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, fname) \ | |
| 33 | IMPLEMENT_CIPHER_HW_##UCMODE(mode, idea, PROV_IDEA_CTX, IDEA_KEY_SCHEDULE, \ | |
| 34 | fname) \ | |
| 35 | static const PROV_CIPHER_HW idea_##mode = { \ | |
| 36 | cipher_hw_idea_initkey, \ | |
| 37 | cipher_hw_idea_##mode##_cipher \ | |
| 38 | }; \ | |
| 39 | const PROV_CIPHER_HW *PROV_CIPHER_HW_idea_##mode(size_t keybits) \ | |
| 40 | { \ | |
| 41 | return &idea_##mode; \ | |
| 42 | } | |
| 43 | ||
| 44 | # define PROV_CIPHER_HW_idea_mode(mode, UCMODE) \ | |
| 45 | PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, IDEA_##mode) | |
| 46 | ||
| 47 | PROV_CIPHER_HW_idea_mode(cbc, CBC) | |
| 48 | PROV_CIPHER_HW_idea_mode(ofb64, OFB) | |
| 49 | PROV_CIPHER_HW_idea_mode(cfb64, CFB) | |
| 50 | /* | |
| 51 | * IDEA_ecb_encrypt() does not have a enc parameter - so we create a macro | |
| 52 | * that ignores this parameter when IMPLEMENT_CIPHER_HW_ecb() is called. | |
| 53 | */ | |
| 54 | #define IDEA2_ecb_encrypt(in, out, ks, enc) IDEA_ecb_encrypt(in, out, ks) | |
| 55 | ||
| 56 | PROV_CIPHER_HW_idea_mode_ex(ecb, ECB, IDEA2_ecb) |