mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
29d3af0404
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13324)
97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/*
|
|
* Copyright 2001-2020 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
/*-
|
|
* Sparc t4 support for AES modes ecb, cbc, ofb, cfb, ctr.
|
|
* This file is included by cipher_aes_hw.c
|
|
*/
|
|
|
|
static int cipher_hw_aes_t4_initkey(PROV_CIPHER_CTX *dat,
|
|
const unsigned char *key, size_t keylen)
|
|
{
|
|
int ret, bits;
|
|
PROV_AES_CTX *adat = (PROV_AES_CTX *)dat;
|
|
AES_KEY *ks = &adat->ks.ks;
|
|
|
|
dat->ks = (const void *)ks; /* used by cipher_hw_generic_XXX */
|
|
|
|
bits = keylen * 8;
|
|
if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
|
|
&& !dat->enc) {
|
|
ret = 0;
|
|
aes_t4_set_decrypt_key(key, bits, ks);
|
|
dat->block = (block128_f)aes_t4_decrypt;
|
|
switch (bits) {
|
|
case 128:
|
|
dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
|
|
(cbc128_f)aes128_t4_cbc_decrypt : NULL;
|
|
break;
|
|
case 192:
|
|
dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
|
|
(cbc128_f)aes192_t4_cbc_decrypt : NULL;
|
|
break;
|
|
case 256:
|
|
dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
|
|
(cbc128_f)aes256_t4_cbc_decrypt : NULL;
|
|
break;
|
|
default:
|
|
ret = -1;
|
|
}
|
|
} else {
|
|
ret = 0;
|
|
aes_t4_set_encrypt_key(key, bits, ks);
|
|
dat->block = (block128_f)aes_t4_encrypt;
|
|
switch (bits) {
|
|
case 128:
|
|
if (dat->mode == EVP_CIPH_CBC_MODE)
|
|
dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
|
|
else if (dat->mode == EVP_CIPH_CTR_MODE)
|
|
dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
|
|
else
|
|
dat->stream.cbc = NULL;
|
|
break;
|
|
case 192:
|
|
if (dat->mode == EVP_CIPH_CBC_MODE)
|
|
dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
|
|
else if (dat->mode == EVP_CIPH_CTR_MODE)
|
|
dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
|
|
else
|
|
dat->stream.cbc = NULL;
|
|
break;
|
|
case 256:
|
|
if (dat->mode == EVP_CIPH_CBC_MODE)
|
|
dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
|
|
else if (dat->mode == EVP_CIPH_CTR_MODE)
|
|
dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
|
|
else
|
|
dat->stream.cbc = NULL;
|
|
break;
|
|
default:
|
|
ret = -1;
|
|
}
|
|
}
|
|
|
|
if (ret < 0) {
|
|
ERR_raise(ERR_LIB_PROV, PROV_R_AES_KEY_SETUP_FAILED);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
#define PROV_CIPHER_HW_declare(mode) \
|
|
static const PROV_CIPHER_HW aes_t4_##mode = { \
|
|
cipher_hw_aes_t4_initkey, \
|
|
ossl_cipher_hw_generic_##mode, \
|
|
cipher_hw_aes_copyctx \
|
|
};
|
|
#define PROV_CIPHER_HW_select(mode) \
|
|
if (SPARC_AES_CAPABLE) \
|
|
return &aes_t4_##mode;
|