1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery * Copyright 1995-2020 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 * DES low level APIs are deprecated for public use, but still ok for internal
12*b077aed3SPierre Pronchery * use.
13*b077aed3SPierre Pronchery */
14*b077aed3SPierre Pronchery #include "internal/deprecated.h"
15*b077aed3SPierre Pronchery
16*b077aed3SPierre Pronchery #include "prov/ciphercommon.h"
17*b077aed3SPierre Pronchery #include "cipher_tdes.h"
18*b077aed3SPierre Pronchery
19*b077aed3SPierre Pronchery #define ks1 tks.ks[0]
20*b077aed3SPierre Pronchery #define ks2 tks.ks[1]
21*b077aed3SPierre Pronchery #define ks3 tks.ks[2]
22*b077aed3SPierre Pronchery
ossl_cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX * ctx,const unsigned char * key,size_t keylen)23*b077aed3SPierre Pronchery int ossl_cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX *ctx,
24*b077aed3SPierre Pronchery const unsigned char *key, size_t keylen)
25*b077aed3SPierre Pronchery {
26*b077aed3SPierre Pronchery PROV_TDES_CTX *tctx = (PROV_TDES_CTX *)ctx;
27*b077aed3SPierre Pronchery DES_cblock *deskey = (DES_cblock *)key;
28*b077aed3SPierre Pronchery
29*b077aed3SPierre Pronchery tctx->tstream.cbc = NULL;
30*b077aed3SPierre Pronchery # if defined(SPARC_DES_CAPABLE)
31*b077aed3SPierre Pronchery if (SPARC_DES_CAPABLE) {
32*b077aed3SPierre Pronchery if (ctx->mode == EVP_CIPH_CBC_MODE) {
33*b077aed3SPierre Pronchery des_t4_key_expand(&deskey[0], &tctx->ks1);
34*b077aed3SPierre Pronchery des_t4_key_expand(&deskey[1], &tctx->ks2);
35*b077aed3SPierre Pronchery des_t4_key_expand(&deskey[2], &tctx->ks3);
36*b077aed3SPierre Pronchery tctx->tstream.cbc = ctx->enc ? des_t4_ede3_cbc_encrypt :
37*b077aed3SPierre Pronchery des_t4_ede3_cbc_decrypt;
38*b077aed3SPierre Pronchery return 1;
39*b077aed3SPierre Pronchery }
40*b077aed3SPierre Pronchery }
41*b077aed3SPierre Pronchery # endif
42*b077aed3SPierre Pronchery DES_set_key_unchecked(&deskey[0], &tctx->ks1);
43*b077aed3SPierre Pronchery DES_set_key_unchecked(&deskey[1], &tctx->ks2);
44*b077aed3SPierre Pronchery DES_set_key_unchecked(&deskey[2], &tctx->ks3);
45*b077aed3SPierre Pronchery return 1;
46*b077aed3SPierre Pronchery }
47*b077aed3SPierre Pronchery
ossl_cipher_hw_tdes_copyctx(PROV_CIPHER_CTX * dst,const PROV_CIPHER_CTX * src)48*b077aed3SPierre Pronchery void ossl_cipher_hw_tdes_copyctx(PROV_CIPHER_CTX *dst,
49*b077aed3SPierre Pronchery const PROV_CIPHER_CTX *src)
50*b077aed3SPierre Pronchery {
51*b077aed3SPierre Pronchery PROV_TDES_CTX *sctx = (PROV_TDES_CTX *)src;
52*b077aed3SPierre Pronchery PROV_TDES_CTX *dctx = (PROV_TDES_CTX *)dst;
53*b077aed3SPierre Pronchery
54*b077aed3SPierre Pronchery *dctx = *sctx;
55*b077aed3SPierre Pronchery dst->ks = &dctx->tks.ks;
56*b077aed3SPierre Pronchery }
57*b077aed3SPierre Pronchery
ossl_cipher_hw_tdes_cbc(PROV_CIPHER_CTX * ctx,unsigned char * out,const unsigned char * in,size_t inl)58*b077aed3SPierre Pronchery int ossl_cipher_hw_tdes_cbc(PROV_CIPHER_CTX *ctx, unsigned char *out,
59*b077aed3SPierre Pronchery const unsigned char *in, size_t inl)
60*b077aed3SPierre Pronchery {
61*b077aed3SPierre Pronchery PROV_TDES_CTX *tctx = (PROV_TDES_CTX *)ctx;
62*b077aed3SPierre Pronchery
63*b077aed3SPierre Pronchery if (tctx->tstream.cbc != NULL) {
64*b077aed3SPierre Pronchery (*tctx->tstream.cbc) (in, out, inl, tctx->tks.ks, ctx->iv);
65*b077aed3SPierre Pronchery return 1;
66*b077aed3SPierre Pronchery }
67*b077aed3SPierre Pronchery
68*b077aed3SPierre Pronchery while (inl >= MAXCHUNK) {
69*b077aed3SPierre Pronchery DES_ede3_cbc_encrypt(in, out, (long)MAXCHUNK, &tctx->ks1, &tctx->ks2,
70*b077aed3SPierre Pronchery &tctx->ks3, (DES_cblock *)ctx->iv, ctx->enc);
71*b077aed3SPierre Pronchery inl -= MAXCHUNK;
72*b077aed3SPierre Pronchery in += MAXCHUNK;
73*b077aed3SPierre Pronchery out += MAXCHUNK;
74*b077aed3SPierre Pronchery }
75*b077aed3SPierre Pronchery if (inl > 0)
76*b077aed3SPierre Pronchery DES_ede3_cbc_encrypt(in, out, (long)inl, &tctx->ks1, &tctx->ks2,
77*b077aed3SPierre Pronchery &tctx->ks3, (DES_cblock *)ctx->iv, ctx->enc);
78*b077aed3SPierre Pronchery return 1;
79*b077aed3SPierre Pronchery }
80*b077aed3SPierre Pronchery
ossl_cipher_hw_tdes_ecb(PROV_CIPHER_CTX * ctx,unsigned char * out,const unsigned char * in,size_t len)81*b077aed3SPierre Pronchery int ossl_cipher_hw_tdes_ecb(PROV_CIPHER_CTX *ctx, unsigned char *out,
82*b077aed3SPierre Pronchery const unsigned char *in, size_t len)
83*b077aed3SPierre Pronchery {
84*b077aed3SPierre Pronchery size_t i;
85*b077aed3SPierre Pronchery PROV_TDES_CTX *tctx = (PROV_TDES_CTX *)ctx;
86*b077aed3SPierre Pronchery
87*b077aed3SPierre Pronchery if (len < DES_BLOCK_SIZE)
88*b077aed3SPierre Pronchery return 1;
89*b077aed3SPierre Pronchery
90*b077aed3SPierre Pronchery for (i = 0, len -= DES_BLOCK_SIZE; i <= len; i += DES_BLOCK_SIZE) {
91*b077aed3SPierre Pronchery DES_ecb3_encrypt((const_DES_cblock *)(in + i), (DES_cblock *)(out + i),
92*b077aed3SPierre Pronchery &tctx->ks1, &tctx->ks2, &tctx->ks3, ctx->enc);
93*b077aed3SPierre Pronchery }
94*b077aed3SPierre Pronchery return 1;
95*b077aed3SPierre Pronchery }
96*b077aed3SPierre Pronchery
97*b077aed3SPierre Pronchery PROV_CIPHER_HW_tdes_mode(ede3, ecb)
98*b077aed3SPierre Pronchery PROV_CIPHER_HW_tdes_mode(ede3, cbc)
99