29d97ff333
This relands https://boringssl-review.googlesource.com/c/boringssl/+/28026 with a change to avoid calling the Aarch64 hardware functions when the set has been set by C code, since these are seemingly incompatible. Change-Id: I91f3ed41cf6f7a7ce7a0477753569fac084c528b Reviewed-on: https://boringssl-review.googlesource.com/28384 Reviewed-by: Adam Langley <agl@google.com>
120 lines
4.7 KiB
C
120 lines
4.7 KiB
C
/* ====================================================================
|
|
* Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ==================================================================== */
|
|
|
|
#include <openssl/aes.h>
|
|
|
|
#include <assert.h>
|
|
|
|
#include "../aes/internal.h"
|
|
#include "../modes/internal.h"
|
|
|
|
|
|
void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len,
|
|
const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE],
|
|
uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) {
|
|
CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num,
|
|
(block128_f)AES_encrypt);
|
|
}
|
|
|
|
void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key,
|
|
const int enc) {
|
|
assert(in && out && key);
|
|
assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc));
|
|
|
|
if (AES_ENCRYPT == enc) {
|
|
AES_encrypt(in, out, key);
|
|
} else {
|
|
AES_decrypt(in, out, key);
|
|
}
|
|
}
|
|
|
|
#if !defined(OPENSSL_NO_ASM) && (defined(OPENSSL_X86_64) || defined(OPENSSL_X86))
|
|
void asm_AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
|
|
const AES_KEY *key, uint8_t *ivec, const int enc);
|
|
#endif
|
|
|
|
void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
|
|
const AES_KEY *key, uint8_t *ivec, const int enc) {
|
|
#if defined(HWAES) && !defined(OPENSSL_AARCH64)
|
|
// Can't use |aes_hw_cbc_encrypt| here because |AES_set_encrypt_key| isn't
|
|
// compatible with it.
|
|
if (hwaes_capable()) {
|
|
aes_hw_cbc_encrypt(in, out, len, key, ivec, enc);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#if !defined(OPENSSL_NO_ASM) && \
|
|
(defined(OPENSSL_X86_64) || defined(OPENSSL_X86))
|
|
asm_AES_cbc_encrypt(in, out, len, key, ivec, enc);
|
|
#else
|
|
if (enc) {
|
|
CRYPTO_cbc128_encrypt(in, out, len, key, ivec, (block128_f)AES_encrypt);
|
|
} else {
|
|
CRYPTO_cbc128_decrypt(in, out, len, key, ivec, (block128_f)AES_decrypt);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
|
|
const AES_KEY *key, uint8_t *ivec, int *num) {
|
|
unsigned num_u = (unsigned)(*num);
|
|
CRYPTO_ofb128_encrypt(in, out, length, key, ivec, &num_u,
|
|
(block128_f)AES_encrypt);
|
|
*num = (int)num_u;
|
|
}
|
|
|
|
void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
|
|
const AES_KEY *key, uint8_t *ivec, int *num,
|
|
int enc) {
|
|
unsigned num_u = (unsigned)(*num);
|
|
CRYPTO_cfb128_encrypt(in, out, length, key, ivec, &num_u, enc,
|
|
(block128_f)AES_encrypt);
|
|
*num = (int)num_u;
|
|
}
|