boringssl/crypto/fipsmodule/aes/mode_wrappers.c
David Benjamin c0f4dbe4e2 Move aes_nohw, bsaes, and vpaes prototypes to aes/internal.h.
This is in preparation for adding ABI tests to them.

In doing so, update delocate.go so that OPENSSL_ia32cap_get is consistently
callable outside the module. Right now it's callable both inside and outside
normally, but not in FIPS mode because the function is generated. This is
needed for tests and the module to share headers that touch OPENSSL_ia32cap_P.

Change-Id: Idbc7d694acfb974e0b04adac907dab621e87de62
Reviewed-on: https://boringssl-review.googlesource.com/c/34188
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2019-01-09 03:35:55 +00:00

107 lines
4.2 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, 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);
}
}
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 (hwaes_capable()) {
aes_hw_cbc_encrypt(in, out, len, key, ivec, enc);
return;
}
#if defined(AES_NOHW_CBC)
aes_nohw_cbc_encrypt(in, out, len, key, ivec, enc);
#else
if (enc) {
CRYPTO_cbc128_encrypt(in, out, len, key, ivec, AES_encrypt);
} else {
CRYPTO_cbc128_decrypt(in, out, len, key, ivec, 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, 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, AES_encrypt);
*num = (int)num_u;
}