/src/openssl31/providers/implementations/ciphers/cipher_sm4_hw.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright 2019-2022 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_sm4.h" |
11 | | |
12 | | static int cipher_hw_sm4_initkey(PROV_CIPHER_CTX *ctx, |
13 | | const unsigned char *key, size_t keylen) |
14 | 2 | { |
15 | 2 | PROV_SM4_CTX *sctx = (PROV_SM4_CTX *)ctx; |
16 | 2 | SM4_KEY *ks = &sctx->ks.ks; |
17 | | |
18 | 2 | ctx->ks = ks; |
19 | 2 | if (ctx->enc |
20 | 2 | || (ctx->mode != EVP_CIPH_ECB_MODE |
21 | 2 | && ctx->mode != EVP_CIPH_CBC_MODE)) { |
22 | | #ifdef HWSM4_CAPABLE |
23 | | if (HWSM4_CAPABLE) { |
24 | | HWSM4_set_encrypt_key(key, ks); |
25 | | ctx->block = (block128_f)HWSM4_encrypt; |
26 | | ctx->stream.cbc = NULL; |
27 | | #ifdef HWSM4_cbc_encrypt |
28 | | if (ctx->mode == EVP_CIPH_CBC_MODE) |
29 | | ctx->stream.cbc = (cbc128_f)HWSM4_cbc_encrypt; |
30 | | else |
31 | | #endif |
32 | | #ifdef HWSM4_ecb_encrypt |
33 | | if (ctx->mode == EVP_CIPH_ECB_MODE) |
34 | | ctx->stream.ecb = (ecb128_f)HWSM4_ecb_encrypt; |
35 | | else |
36 | | #endif |
37 | | #ifdef HWSM4_ctr32_encrypt_blocks |
38 | | if (ctx->mode == EVP_CIPH_CTR_MODE) |
39 | | ctx->stream.ctr = (ctr128_f)HWSM4_ctr32_encrypt_blocks; |
40 | | else |
41 | | #endif |
42 | | (void)0; /* terminate potentially open 'else' */ |
43 | | } else |
44 | | #endif |
45 | | #ifdef VPSM4_CAPABLE |
46 | | if (VPSM4_CAPABLE) { |
47 | | vpsm4_set_encrypt_key(key, ks); |
48 | | ctx->block = (block128_f)vpsm4_encrypt; |
49 | | ctx->stream.cbc = NULL; |
50 | | if (ctx->mode == EVP_CIPH_CBC_MODE) |
51 | | ctx->stream.cbc = (cbc128_f)vpsm4_cbc_encrypt; |
52 | | else if (ctx->mode == EVP_CIPH_ECB_MODE) |
53 | | ctx->stream.ecb = (ecb128_f)vpsm4_ecb_encrypt; |
54 | | else if (ctx->mode == EVP_CIPH_CTR_MODE) |
55 | | ctx->stream.ctr = (ctr128_f)vpsm4_ctr32_encrypt_blocks; |
56 | | } else |
57 | | #endif |
58 | 2 | { |
59 | 2 | ossl_sm4_set_key(key, ks); |
60 | 2 | ctx->block = (block128_f)ossl_sm4_encrypt; |
61 | 2 | } |
62 | 2 | } else { |
63 | | #ifdef HWSM4_CAPABLE |
64 | | if (HWSM4_CAPABLE) { |
65 | | HWSM4_set_decrypt_key(key, ks); |
66 | | ctx->block = (block128_f)HWSM4_decrypt; |
67 | | ctx->stream.cbc = NULL; |
68 | | #ifdef HWSM4_cbc_encrypt |
69 | | if (ctx->mode == EVP_CIPH_CBC_MODE) |
70 | | ctx->stream.cbc = (cbc128_f)HWSM4_cbc_encrypt; |
71 | | #endif |
72 | | #ifdef HWSM4_ecb_encrypt |
73 | | if (ctx->mode == EVP_CIPH_ECB_MODE) |
74 | | ctx->stream.ecb = (ecb128_f)HWSM4_ecb_encrypt; |
75 | | #endif |
76 | | } else |
77 | | #endif |
78 | | #ifdef VPSM4_CAPABLE |
79 | | if (VPSM4_CAPABLE) { |
80 | | vpsm4_set_decrypt_key(key, ks); |
81 | | ctx->block = (block128_f)vpsm4_decrypt; |
82 | | ctx->stream.cbc = NULL; |
83 | | if (ctx->mode == EVP_CIPH_CBC_MODE) |
84 | | ctx->stream.cbc = (cbc128_f)vpsm4_cbc_encrypt; |
85 | | else if (ctx->mode == EVP_CIPH_ECB_MODE) |
86 | | ctx->stream.ecb = (ecb128_f)vpsm4_ecb_encrypt; |
87 | | } else |
88 | | #endif |
89 | 0 | { |
90 | 0 | ossl_sm4_set_key(key, ks); |
91 | 0 | ctx->block = (block128_f)ossl_sm4_decrypt; |
92 | 0 | } |
93 | 0 | } |
94 | | |
95 | 2 | return 1; |
96 | 2 | } |
97 | | |
98 | | IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_sm4_copyctx, PROV_SM4_CTX) |
99 | | |
100 | | # define PROV_CIPHER_HW_sm4_mode(mode) \ |
101 | | static const PROV_CIPHER_HW sm4_##mode = { \ |
102 | | cipher_hw_sm4_initkey, \ |
103 | | ossl_cipher_hw_generic_##mode, \ |
104 | | cipher_hw_sm4_copyctx \ |
105 | | }; \ |
106 | 0 | const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits) \ |
107 | 0 | { \ |
108 | 0 | return &sm4_##mode; \ |
109 | 0 | } Unexecuted instantiation: ossl_prov_cipher_hw_sm4_ecb Unexecuted instantiation: ossl_prov_cipher_hw_sm4_ofb128 Unexecuted instantiation: ossl_prov_cipher_hw_sm4_cfb128 Unexecuted instantiation: ossl_prov_cipher_hw_sm4_ctr |
110 | | |
111 | | PROV_CIPHER_HW_sm4_mode(cbc) |
112 | | PROV_CIPHER_HW_sm4_mode(ecb) |
113 | | PROV_CIPHER_HW_sm4_mode(ofb128) |
114 | | PROV_CIPHER_HW_sm4_mode(cfb128) |
115 | | PROV_CIPHER_HW_sm4_mode(ctr) |