openssl/crypto/chacha/chacha_ppc.c
Tomas Mraz 3d178db73b ppccap.c: Split out algorithm-specific functions
Fixes #13336

Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15828)
2021-06-25 08:49:45 +01:00

36 lines
1.4 KiB
C

/*
* Copyright 2009-2021 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
*/
#include <stdlib.h>
#include <string.h>
#include <openssl/opensslconf.h>
#include "crypto/chacha.h"
#include "crypto/ppc_arch.h"
void ChaCha20_ctr32_int(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
void ChaCha20_ctr32_vmx(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
void ChaCha20_ctr32_vsx(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4])
{
OPENSSL_ppccap_P & PPC_CRYPTO207
? ChaCha20_ctr32_vsx(out, inp, len, key, counter)
: OPENSSL_ppccap_P & PPC_ALTIVEC
? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
: ChaCha20_ctr32_int(out, inp, len, key, counter);
}