2 * Copyright 2001-2019 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_aes.h"
11 #include "prov/providercommonerr.h"
13 static int cipher_hw_aes_initkey(PROV_CIPHER_CTX *dat,
14 const unsigned char *key, size_t keylen)
17 PROV_AES_CTX *adat = (PROV_AES_CTX *)dat;
18 AES_KEY *ks = &adat->ks.ks;
22 if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
26 ret = HWAES_set_decrypt_key(key, keylen * 8, ks);
27 dat->block = (block128_f)HWAES_decrypt;
28 dat->stream.cbc = NULL;
29 # ifdef HWAES_cbc_encrypt
30 if (dat->mode == EVP_CIPH_CBC_MODE)
31 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
36 if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CBC_MODE) {
37 ret = AES_set_decrypt_key(key, keylen * 8, ks);
38 dat->block = (block128_f)AES_decrypt;
39 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
44 ret = vpaes_set_decrypt_key(key, keylen * 8, ks);
45 dat->block = (block128_f)vpaes_decrypt;
46 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
47 ?(cbc128_f)vpaes_cbc_encrypt : NULL;
51 ret = AES_set_decrypt_key(key, keylen * 8, ks);
52 dat->block = (block128_f)AES_decrypt;
53 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
54 ? (cbc128_f)AES_cbc_encrypt : NULL;
59 ret = HWAES_set_encrypt_key(key, keylen * 8, ks);
60 dat->block = (block128_f)HWAES_encrypt;
61 dat->stream.cbc = NULL;
62 # ifdef HWAES_cbc_encrypt
63 if (dat->mode == EVP_CIPH_CBC_MODE)
64 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
67 # ifdef HWAES_ctr32_encrypt_blocks
68 if (dat->mode == EVP_CIPH_CTR_MODE)
69 dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
72 (void)0; /* terminate potentially open 'else' */
76 if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CTR_MODE) {
77 ret = AES_set_encrypt_key(key, keylen * 8, ks);
78 dat->block = (block128_f)AES_encrypt;
79 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
84 ret = vpaes_set_encrypt_key(key, keylen * 8, ks);
85 dat->block = (block128_f)vpaes_encrypt;
86 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
87 ? (cbc128_f)vpaes_cbc_encrypt : NULL;
91 ret = AES_set_encrypt_key(key, keylen * 8, ks);
92 dat->block = (block128_f)AES_encrypt;
93 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
94 ? (cbc128_f)AES_cbc_encrypt : NULL;
96 if (dat->mode == EVP_CIPH_CTR_MODE)
97 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
102 ERR_raise(ERR_LIB_PROV, PROV_R_AES_KEY_SETUP_FAILED);
109 #define PROV_CIPHER_HW_aes_mode(mode) \
110 static const PROV_CIPHER_HW aes_##mode = { \
111 cipher_hw_aes_initkey, \
112 cipher_hw_generic_##mode \
114 PROV_CIPHER_HW_declare(mode) \
115 const PROV_CIPHER_HW *PROV_CIPHER_HW_aes_##mode(size_t keybits) \
117 PROV_CIPHER_HW_select(mode) \
118 return &aes_##mode; \
121 #if defined(AESNI_CAPABLE)
122 # include "cipher_aes_hw_aesni.inc"
123 #elif defined(SPARC_AES_CAPABLE)
124 # include "cipher_aes_hw_t4.inc"
125 #elif defined(S390X_aes_128_CAPABLE)
126 # include "cipher_aes_hw_s390x.inc"
128 /* The generic case */
129 # define PROV_CIPHER_HW_declare(mode)
130 # define PROV_CIPHER_HW_select(mode)
133 PROV_CIPHER_HW_aes_mode(cbc)
134 PROV_CIPHER_HW_aes_mode(ecb)
135 PROV_CIPHER_HW_aes_mode(ofb128)
136 PROV_CIPHER_HW_aes_mode(cfb128)
137 PROV_CIPHER_HW_aes_mode(cfb1)
138 PROV_CIPHER_HW_aes_mode(cfb8)
139 PROV_CIPHER_HW_aes_mode(ctr)