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first version supporting yescrypt algo
this is a temporary kernel a somewhat faster should be implemented soon
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/*- | ||
* Copyright 2007-2009 Colin Percival | ||
* 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. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | ||
* ANY EXPRESS 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 AUTHOR OR 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. | ||
* | ||
* This file was originally written by Colin Percival as part of the Tarsnap | ||
* online backup system. | ||
*/ | ||
#ifndef _SYSENDIAN_H_ | ||
#define _SYSENDIAN_H_ | ||
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/* If we don't have be64enc, the <sys/endian.h> we have isn't usable. */ | ||
#if !HAVE_DECL_BE64ENC | ||
#undef HAVE_SYS_ENDIAN_H | ||
#endif | ||
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#ifdef HAVE_SYS_ENDIAN_H | ||
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#include <sys/endian.h> | ||
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#else | ||
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#include <stdint.h> | ||
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#if !HAVE_DECL_LE32DEC | ||
static uint32_t le32dec(const void *pp) | ||
{ | ||
const uint8_t *p = (uint8_t const *)pp; | ||
return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) + | ||
((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24)); | ||
} | ||
#endif | ||
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#if !HAVE_DECL_BE32ENC | ||
static void be32enc(void *pp, uint32_t x) | ||
{ | ||
uint8_t *p = (uint8_t *)pp; | ||
p[3] = x & 0xff; | ||
p[2] = (x >> 8) & 0xff; | ||
p[1] = (x >> 16) & 0xff; | ||
p[0] = (x >> 24) & 0xff; | ||
} | ||
#endif | ||
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#if !HAVE_DECL_BE32DEC | ||
static uint32_t be32dec(const void *pp) | ||
{ | ||
const uint8_t *p = (uint8_t const *)pp; | ||
return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) + | ||
((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24)); | ||
} | ||
#endif | ||
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#if !HAVE_DECL_LE32ENC | ||
static void le32enc(void *pp, uint32_t x) | ||
{ | ||
uint8_t *p = (uint8_t *)pp; | ||
p[0] = x & 0xff; | ||
p[1] = (x >> 8) & 0xff; | ||
p[2] = (x >> 16) & 0xff; | ||
p[3] = (x >> 24) & 0xff; | ||
} | ||
#endif | ||
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static uint64_t | ||
be64dec(const void *pp) | ||
{ | ||
const uint8_t *p = (uint8_t const *)pp; | ||
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return ((uint64_t)(p[7]) + ((uint64_t)(p[6]) << 8) + | ||
((uint64_t)(p[5]) << 16) + ((uint64_t)(p[4]) << 24) + | ||
((uint64_t)(p[3]) << 32) + ((uint64_t)(p[2]) << 40) + | ||
((uint64_t)(p[1]) << 48) + ((uint64_t)(p[0]) << 56)); | ||
} | ||
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static void | ||
be64enc(void *pp, uint64_t x) | ||
{ | ||
uint8_t * p = (uint8_t *)pp; | ||
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p[7] = x & 0xff; | ||
p[6] = (x >> 8) & 0xff; | ||
p[5] = (x >> 16) & 0xff; | ||
p[4] = (x >> 24) & 0xff; | ||
p[3] = (x >> 32) & 0xff; | ||
p[2] = (x >> 40) & 0xff; | ||
p[1] = (x >> 48) & 0xff; | ||
p[0] = (x >> 56) & 0xff; | ||
} | ||
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static uint64_t | ||
le64dec(const void *pp) | ||
{ | ||
const uint8_t *p = (uint8_t const *)pp; | ||
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return ((uint64_t)(p[0]) + ((uint64_t)(p[1]) << 8) + | ||
((uint64_t)(p[2]) << 16) + ((uint64_t)(p[3]) << 24) + | ||
((uint64_t)(p[4]) << 32) + ((uint64_t)(p[5]) << 40) + | ||
((uint64_t)(p[6]) << 48) + ((uint64_t)(p[7]) << 56)); | ||
} | ||
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static void | ||
le64enc(void *pp, uint64_t x) | ||
{ | ||
uint8_t * p = (uint8_t *)pp; | ||
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p[0] = x & 0xff; | ||
p[1] = (x >> 8) & 0xff; | ||
p[2] = (x >> 16) & 0xff; | ||
p[3] = (x >> 24) & 0xff; | ||
p[4] = (x >> 32) & 0xff; | ||
p[5] = (x >> 40) & 0xff; | ||
p[6] = (x >> 48) & 0xff; | ||
p[7] = (x >> 56) & 0xff; | ||
} | ||
#endif /* !HAVE_SYS_ENDIAN_H */ | ||
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#endif /* !_SYSENDIAN_H_ */ |
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