1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery *
4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at
7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html
8*b077aed3SPierre Pronchery */
9*b077aed3SPierre Pronchery
10*b077aed3SPierre Pronchery /*
11*b077aed3SPierre Pronchery * IDEA low level APIs are deprecated for public use, but still ok for internal
12*b077aed3SPierre Pronchery * use where we're using them to implement the higher level EVP interface, as is
13*b077aed3SPierre Pronchery * the case here.
14*b077aed3SPierre Pronchery */
15*b077aed3SPierre Pronchery #include "internal/deprecated.h"
16*b077aed3SPierre Pronchery
17*b077aed3SPierre Pronchery #include "cipher_idea.h"
18*b077aed3SPierre Pronchery
cipher_hw_idea_initkey(PROV_CIPHER_CTX * ctx,const unsigned char * key,size_t keylen)19*b077aed3SPierre Pronchery static int cipher_hw_idea_initkey(PROV_CIPHER_CTX *ctx,
20*b077aed3SPierre Pronchery const unsigned char *key, size_t keylen)
21*b077aed3SPierre Pronchery {
22*b077aed3SPierre Pronchery PROV_IDEA_CTX *ictx = (PROV_IDEA_CTX *)ctx;
23*b077aed3SPierre Pronchery IDEA_KEY_SCHEDULE *ks = &(ictx->ks.ks);
24*b077aed3SPierre Pronchery
25*b077aed3SPierre Pronchery if (ctx->enc
26*b077aed3SPierre Pronchery || ctx->mode == EVP_CIPH_OFB_MODE
27*b077aed3SPierre Pronchery || ctx->mode == EVP_CIPH_CFB_MODE) {
28*b077aed3SPierre Pronchery IDEA_set_encrypt_key(key, ks);
29*b077aed3SPierre Pronchery } else {
30*b077aed3SPierre Pronchery IDEA_KEY_SCHEDULE tmp;
31*b077aed3SPierre Pronchery
32*b077aed3SPierre Pronchery IDEA_set_encrypt_key(key, &tmp);
33*b077aed3SPierre Pronchery IDEA_set_decrypt_key(&tmp, ks);
34*b077aed3SPierre Pronchery OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE));
35*b077aed3SPierre Pronchery }
36*b077aed3SPierre Pronchery return 1;
37*b077aed3SPierre Pronchery }
38*b077aed3SPierre Pronchery
39*b077aed3SPierre Pronchery # define PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, fname) \
40*b077aed3SPierre Pronchery IMPLEMENT_CIPHER_HW_##UCMODE(mode, idea, PROV_IDEA_CTX, IDEA_KEY_SCHEDULE, \
41*b077aed3SPierre Pronchery fname) \
42*b077aed3SPierre Pronchery static const PROV_CIPHER_HW idea_##mode = { \
43*b077aed3SPierre Pronchery cipher_hw_idea_initkey, \
44*b077aed3SPierre Pronchery cipher_hw_idea_##mode##_cipher \
45*b077aed3SPierre Pronchery }; \
46*b077aed3SPierre Pronchery const PROV_CIPHER_HW *ossl_prov_cipher_hw_idea_##mode(size_t keybits) \
47*b077aed3SPierre Pronchery { \
48*b077aed3SPierre Pronchery return &idea_##mode; \
49*b077aed3SPierre Pronchery }
50*b077aed3SPierre Pronchery
51*b077aed3SPierre Pronchery # define PROV_CIPHER_HW_idea_mode(mode, UCMODE) \
52*b077aed3SPierre Pronchery PROV_CIPHER_HW_idea_mode_ex(mode, UCMODE, IDEA_##mode)
53*b077aed3SPierre Pronchery
54*b077aed3SPierre Pronchery PROV_CIPHER_HW_idea_mode(cbc, CBC)
55*b077aed3SPierre Pronchery PROV_CIPHER_HW_idea_mode(ofb64, OFB)
56*b077aed3SPierre Pronchery PROV_CIPHER_HW_idea_mode(cfb64, CFB)
57*b077aed3SPierre Pronchery /*
58*b077aed3SPierre Pronchery * IDEA_ecb_encrypt() does not have a enc parameter - so we create a macro
59*b077aed3SPierre Pronchery * that ignores this parameter when IMPLEMENT_CIPHER_HW_ecb() is called.
60*b077aed3SPierre Pronchery */
61*b077aed3SPierre Pronchery #define IDEA2_ecb_encrypt(in, out, ks, enc) IDEA_ecb_encrypt(in, out, ks)
62*b077aed3SPierre Pronchery
63*b077aed3SPierre Pronchery PROV_CIPHER_HW_idea_mode_ex(ecb, ECB, IDEA2_ecb)
64