mirror of
https://github.com/openssl/openssl.git
synced 2024-12-27 06:21:43 +08:00
e39e295e20
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com> (Merged from https://github.com/openssl/openssl/pull/12463)
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
|
|
* Copyright 2016-2020 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
|
|
*/
|
|
|
|
/*
|
|
* Derived from the BLAKE2 reference implementation written by Samuel Neves.
|
|
* Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
|
|
* More information about the BLAKE2 hash function and its implementations
|
|
* can be found at https://blake2.net.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include "internal/endian.h"
|
|
|
|
static ossl_inline uint32_t load32(const uint8_t *src)
|
|
{
|
|
DECLARE_IS_ENDIAN;
|
|
|
|
if (IS_LITTLE_ENDIAN) {
|
|
uint32_t w;
|
|
memcpy(&w, src, sizeof(w));
|
|
return w;
|
|
} else {
|
|
uint32_t w = ((uint32_t)src[0])
|
|
| ((uint32_t)src[1] << 8)
|
|
| ((uint32_t)src[2] << 16)
|
|
| ((uint32_t)src[3] << 24);
|
|
return w;
|
|
}
|
|
}
|
|
|
|
static ossl_inline uint64_t load64(const uint8_t *src)
|
|
{
|
|
DECLARE_IS_ENDIAN;
|
|
|
|
if (IS_LITTLE_ENDIAN) {
|
|
uint64_t w;
|
|
memcpy(&w, src, sizeof(w));
|
|
return w;
|
|
} else {
|
|
uint64_t w = ((uint64_t)src[0])
|
|
| ((uint64_t)src[1] << 8)
|
|
| ((uint64_t)src[2] << 16)
|
|
| ((uint64_t)src[3] << 24)
|
|
| ((uint64_t)src[4] << 32)
|
|
| ((uint64_t)src[5] << 40)
|
|
| ((uint64_t)src[6] << 48)
|
|
| ((uint64_t)src[7] << 56);
|
|
return w;
|
|
}
|
|
}
|
|
|
|
static ossl_inline void store32(uint8_t *dst, uint32_t w)
|
|
{
|
|
DECLARE_IS_ENDIAN;
|
|
|
|
if (IS_LITTLE_ENDIAN) {
|
|
memcpy(dst, &w, sizeof(w));
|
|
} else {
|
|
uint8_t *p = (uint8_t *)dst;
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++)
|
|
p[i] = (uint8_t)(w >> (8 * i));
|
|
}
|
|
}
|
|
|
|
static ossl_inline void store64(uint8_t *dst, uint64_t w)
|
|
{
|
|
DECLARE_IS_ENDIAN;
|
|
|
|
if (IS_LITTLE_ENDIAN) {
|
|
memcpy(dst, &w, sizeof(w));
|
|
} else {
|
|
uint8_t *p = (uint8_t *)dst;
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++)
|
|
p[i] = (uint8_t)(w >> (8 * i));
|
|
}
|
|
}
|
|
|
|
static ossl_inline uint64_t load48(const uint8_t *src)
|
|
{
|
|
uint64_t w = ((uint64_t)src[0])
|
|
| ((uint64_t)src[1] << 8)
|
|
| ((uint64_t)src[2] << 16)
|
|
| ((uint64_t)src[3] << 24)
|
|
| ((uint64_t)src[4] << 32)
|
|
| ((uint64_t)src[5] << 40);
|
|
return w;
|
|
}
|
|
|
|
static ossl_inline void store48(uint8_t *dst, uint64_t w)
|
|
{
|
|
uint8_t *p = (uint8_t *)dst;
|
|
p[0] = (uint8_t)w;
|
|
p[1] = (uint8_t)(w>>8);
|
|
p[2] = (uint8_t)(w>>16);
|
|
p[3] = (uint8_t)(w>>24);
|
|
p[4] = (uint8_t)(w>>32);
|
|
p[5] = (uint8_t)(w>>40);
|
|
}
|
|
|
|
static ossl_inline uint32_t rotr32(const uint32_t w, const unsigned int c)
|
|
{
|
|
return (w >> c) | (w << (32 - c));
|
|
}
|
|
|
|
static ossl_inline uint64_t rotr64(const uint64_t w, const unsigned int c)
|
|
{
|
|
return (w >> c) | (w << (64 - c));
|
|
}
|