2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include "cipher_idea.h"
12 static int cipher_hw_idea_initkey(PROV_CIPHER_CTX *ctx,
13 const unsigned char *key, size_t keylen)
15 PROV_IDEA_CTX *ictx = (PROV_IDEA_CTX *)ctx;
16 IDEA_KEY_SCHEDULE *ks = &(ictx->ks.ks);
19 || ctx->mode == EVP_CIPH_OFB_MODE
20 || ctx->mode == EVP_CIPH_CFB_MODE) {
21 IDEA_set_encrypt_key(key, ks);
23 IDEA_KEY_SCHEDULE tmp;
25 IDEA_set_encrypt_key(key, &tmp);
26 IDEA_set_decrypt_key(&tmp, ks);
27 OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE));
32 # define PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, fname) \
33 IMPLEMENT_CIPHER_HW_##UCMODE(mode, idea, PROV_IDEA_CTX, IDEA_KEY_SCHEDULE, \
35 static const PROV_CIPHER_HW idea_##mode = { \
36 cipher_hw_idea_initkey, \
37 cipher_hw_idea_##mode##_cipher \
39 const PROV_CIPHER_HW *PROV_CIPHER_HW_idea_##mode(size_t keybits) \
41 return &idea_##mode; \
44 # define PROV_CIPHER_HW_idea_mode(mode, UCMODE) \
45 PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, IDEA_##mode)
47 PROV_CIPHER_HW_idea_mode(cbc, CBC)
48 PROV_CIPHER_HW_idea_mode(ofb64, OFB)
49 PROV_CIPHER_HW_idea_mode(cfb64, CFB)
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.
54 #define IDEA2_ecb_encrypt(in, out, ks, enc) IDEA_ecb_encrypt(in, out, ks)
56 PROV_CIPHER_HW_idea_mode_ex(ecb, ECB, IDEA2_ecb)