main
JP Aumasson 2015-10-20 22:53:53 +02:00
parent 1b85a33b71
commit adcbf09b16
3 changed files with 85 additions and 301 deletions

207
main.c
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@ -1,207 +0,0 @@
/*
SipHash reference C implementation
Copyright (c) 2012 Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com>
Copyright (c) 2012 Daniel J. Bernstein <djb@cr.yp.to>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define MAXLEN 64
#define KEYLEN 16
#ifndef DOUBLE
#define HASHLEN 8
#else
#define HASHLEN 16
#endif
extern int siphash( uint8_t *out, const uint8_t *in, uint64_t inlen, const uint8_t *k );
/*
SipHash-2-4 output with
k = 00 01 02 ...
and
in = (empty string)
in = 00 (1 byte)
in = 00 01 (2 bytes)
in = 00 01 02 (3 bytes)
...
in = 00 01 02 ... 3e (63 bytes)
*/
const uint8_t vectors[MAXLEN][HASHLEN] =
{
#ifndef DOUBLE
{ 0x31, 0x0e, 0x0e, 0xdd, 0x47, 0xdb, 0x6f, 0x72, },
{ 0xfd, 0x67, 0xdc, 0x93, 0xc5, 0x39, 0xf8, 0x74, },
{ 0x5a, 0x4f, 0xa9, 0xd9, 0x09, 0x80, 0x6c, 0x0d, },
{ 0x2d, 0x7e, 0xfb, 0xd7, 0x96, 0x66, 0x67, 0x85, },
{ 0xb7, 0x87, 0x71, 0x27, 0xe0, 0x94, 0x27, 0xcf, },
{ 0x8d, 0xa6, 0x99, 0xcd, 0x64, 0x55, 0x76, 0x18, },
{ 0xce, 0xe3, 0xfe, 0x58, 0x6e, 0x46, 0xc9, 0xcb, },
{ 0x37, 0xd1, 0x01, 0x8b, 0xf5, 0x00, 0x02, 0xab, },
{ 0x62, 0x24, 0x93, 0x9a, 0x79, 0xf5, 0xf5, 0x93, },
{ 0xb0, 0xe4, 0xa9, 0x0b, 0xdf, 0x82, 0x00, 0x9e, },
{ 0xf3, 0xb9, 0xdd, 0x94, 0xc5, 0xbb, 0x5d, 0x7a, },
{ 0xa7, 0xad, 0x6b, 0x22, 0x46, 0x2f, 0xb3, 0xf4, },
{ 0xfb, 0xe5, 0x0e, 0x86, 0xbc, 0x8f, 0x1e, 0x75, },
{ 0x90, 0x3d, 0x84, 0xc0, 0x27, 0x56, 0xea, 0x14, },
{ 0xee, 0xf2, 0x7a, 0x8e, 0x90, 0xca, 0x23, 0xf7, },
{ 0xe5, 0x45, 0xbe, 0x49, 0x61, 0xca, 0x29, 0xa1, },
{ 0xdb, 0x9b, 0xc2, 0x57, 0x7f, 0xcc, 0x2a, 0x3f, },
{ 0x94, 0x47, 0xbe, 0x2c, 0xf5, 0xe9, 0x9a, 0x69, },
{ 0x9c, 0xd3, 0x8d, 0x96, 0xf0, 0xb3, 0xc1, 0x4b, },
{ 0xbd, 0x61, 0x79, 0xa7, 0x1d, 0xc9, 0x6d, 0xbb, },
{ 0x98, 0xee, 0xa2, 0x1a, 0xf2, 0x5c, 0xd6, 0xbe, },
{ 0xc7, 0x67, 0x3b, 0x2e, 0xb0, 0xcb, 0xf2, 0xd0, },
{ 0x88, 0x3e, 0xa3, 0xe3, 0x95, 0x67, 0x53, 0x93, },
{ 0xc8, 0xce, 0x5c, 0xcd, 0x8c, 0x03, 0x0c, 0xa8, },
{ 0x94, 0xaf, 0x49, 0xf6, 0xc6, 0x50, 0xad, 0xb8, },
{ 0xea, 0xb8, 0x85, 0x8a, 0xde, 0x92, 0xe1, 0xbc, },
{ 0xf3, 0x15, 0xbb, 0x5b, 0xb8, 0x35, 0xd8, 0x17, },
{ 0xad, 0xcf, 0x6b, 0x07, 0x63, 0x61, 0x2e, 0x2f, },
{ 0xa5, 0xc9, 0x1d, 0xa7, 0xac, 0xaa, 0x4d, 0xde, },
{ 0x71, 0x65, 0x95, 0x87, 0x66, 0x50, 0xa2, 0xa6, },
{ 0x28, 0xef, 0x49, 0x5c, 0x53, 0xa3, 0x87, 0xad, },
{ 0x42, 0xc3, 0x41, 0xd8, 0xfa, 0x92, 0xd8, 0x32, },
{ 0xce, 0x7c, 0xf2, 0x72, 0x2f, 0x51, 0x27, 0x71, },
{ 0xe3, 0x78, 0x59, 0xf9, 0x46, 0x23, 0xf3, 0xa7, },
{ 0x38, 0x12, 0x05, 0xbb, 0x1a, 0xb0, 0xe0, 0x12, },
{ 0xae, 0x97, 0xa1, 0x0f, 0xd4, 0x34, 0xe0, 0x15, },
{ 0xb4, 0xa3, 0x15, 0x08, 0xbe, 0xff, 0x4d, 0x31, },
{ 0x81, 0x39, 0x62, 0x29, 0xf0, 0x90, 0x79, 0x02, },
{ 0x4d, 0x0c, 0xf4, 0x9e, 0xe5, 0xd4, 0xdc, 0xca, },
{ 0x5c, 0x73, 0x33, 0x6a, 0x76, 0xd8, 0xbf, 0x9a, },
{ 0xd0, 0xa7, 0x04, 0x53, 0x6b, 0xa9, 0x3e, 0x0e, },
{ 0x92, 0x59, 0x58, 0xfc, 0xd6, 0x42, 0x0c, 0xad, },
{ 0xa9, 0x15, 0xc2, 0x9b, 0xc8, 0x06, 0x73, 0x18, },
{ 0x95, 0x2b, 0x79, 0xf3, 0xbc, 0x0a, 0xa6, 0xd4, },
{ 0xf2, 0x1d, 0xf2, 0xe4, 0x1d, 0x45, 0x35, 0xf9, },
{ 0x87, 0x57, 0x75, 0x19, 0x04, 0x8f, 0x53, 0xa9, },
{ 0x10, 0xa5, 0x6c, 0xf5, 0xdf, 0xcd, 0x9a, 0xdb, },
{ 0xeb, 0x75, 0x09, 0x5c, 0xcd, 0x98, 0x6c, 0xd0, },
{ 0x51, 0xa9, 0xcb, 0x9e, 0xcb, 0xa3, 0x12, 0xe6, },
{ 0x96, 0xaf, 0xad, 0xfc, 0x2c, 0xe6, 0x66, 0xc7, },
{ 0x72, 0xfe, 0x52, 0x97, 0x5a, 0x43, 0x64, 0xee, },
{ 0x5a, 0x16, 0x45, 0xb2, 0x76, 0xd5, 0x92, 0xa1, },
{ 0xb2, 0x74, 0xcb, 0x8e, 0xbf, 0x87, 0x87, 0x0a, },
{ 0x6f, 0x9b, 0xb4, 0x20, 0x3d, 0xe7, 0xb3, 0x81, },
{ 0xea, 0xec, 0xb2, 0xa3, 0x0b, 0x22, 0xa8, 0x7f, },
{ 0x99, 0x24, 0xa4, 0x3c, 0xc1, 0x31, 0x57, 0x24, },
{ 0xbd, 0x83, 0x8d, 0x3a, 0xaf, 0xbf, 0x8d, 0xb7, },
{ 0x0b, 0x1a, 0x2a, 0x32, 0x65, 0xd5, 0x1a, 0xea, },
{ 0x13, 0x50, 0x79, 0xa3, 0x23, 0x1c, 0xe6, 0x60, },
{ 0x93, 0x2b, 0x28, 0x46, 0xe4, 0xd7, 0x06, 0x66, },
{ 0xe1, 0x91, 0x5f, 0x5c, 0xb1, 0xec, 0xa4, 0x6c, },
{ 0xf3, 0x25, 0x96, 0x5c, 0xa1, 0x6d, 0x62, 0x9f, },
{ 0x57, 0x5f, 0xf2, 0x8e, 0x60, 0x38, 0x1b, 0xe5, },
{ 0x72, 0x45, 0x06, 0xeb, 0x4c, 0x32, 0x8a, 0x95, }
#else
{ 0xa3, 0x81, 0x7f, 0x04, 0xba, 0x25, 0xa8, 0xe6, 0x6d, 0xf6, 0x72, 0x14, 0xc7, 0x55, 0x02, 0x93 },
{ 0xda, 0x87, 0xc1, 0xd8, 0x6b, 0x99, 0xaf, 0x44, 0x34, 0x76, 0x59, 0x11, 0x9b, 0x22, 0xfc, 0x45 },
{ 0x81, 0x77, 0x22, 0x8d, 0xa4, 0xa4, 0x5d, 0xc7, 0xfc, 0xa3, 0x8b, 0xde, 0xf6, 0x0a, 0xff, 0xe4 },
{ 0x9c, 0x70, 0xb6, 0x0c, 0x52, 0x67, 0xa9, 0x4e, 0x5f, 0x33, 0xb6, 0xb0, 0x29, 0x85, 0xed, 0x51 },
{ 0xf8, 0x81, 0x64, 0xc1, 0x2d, 0x9c, 0x8f, 0xaf, 0x7d, 0x0f, 0x6e, 0x7c, 0x7b, 0xcd, 0x55, 0x79 },
{ 0x13, 0x68, 0x87, 0x59, 0x80, 0x77, 0x6f, 0x88, 0x54, 0x52, 0x7a, 0x07, 0x69, 0x0e, 0x96, 0x27 },
{ 0x14, 0xee, 0xca, 0x33, 0x8b, 0x20, 0x86, 0x13, 0x48, 0x5e, 0xa0, 0x30, 0x8f, 0xd7, 0xa1, 0x5e },
{ 0xa1, 0xf1, 0xeb, 0xbe, 0xd8, 0xdb, 0xc1, 0x53, 0xc0, 0xb8, 0x4a, 0xa6, 0x1f, 0xf0, 0x82, 0x39 },
{ 0x3b, 0x62, 0xa9, 0xba, 0x62, 0x58, 0xf5, 0x61, 0x0f, 0x83, 0xe2, 0x64, 0xf3, 0x14, 0x97, 0xb4 },
{ 0x26, 0x44, 0x99, 0x06, 0x0a, 0xd9, 0xba, 0xab, 0xc4, 0x7f, 0x8b, 0x02, 0xbb, 0x6d, 0x71, 0xed },
{ 0x00, 0x11, 0x0d, 0xc3, 0x78, 0x14, 0x69, 0x56, 0xc9, 0x54, 0x47, 0xd3, 0xf3, 0xd0, 0xfb, 0xba },
{ 0x01, 0x51, 0xc5, 0x68, 0x38, 0x6b, 0x66, 0x77, 0xa2, 0xb4, 0xdc, 0x6f, 0x81, 0xe5, 0xdc, 0x18 },
{ 0xd6, 0x26, 0xb2, 0x66, 0x90, 0x5e, 0xf3, 0x58, 0x82, 0x63, 0x4d, 0xf6, 0x85, 0x32, 0xc1, 0x25 },
{ 0x98, 0x69, 0xe2, 0x47, 0xe9, 0xc0, 0x8b, 0x10, 0xd0, 0x29, 0x93, 0x4f, 0xc4, 0xb9, 0x52, 0xf7 },
{ 0x31, 0xfc, 0xef, 0xac, 0x66, 0xd7, 0xde, 0x9c, 0x7e, 0xc7, 0x48, 0x5f, 0xe4, 0x49, 0x49, 0x02 },
{ 0x54, 0x93, 0xe9, 0x99, 0x33, 0xb0, 0xa8, 0x11, 0x7e, 0x08, 0xec, 0x0f, 0x97, 0xcf, 0xc3, 0xd9 },
{ 0x6e, 0xe2, 0xa4, 0xca, 0x67, 0xb0, 0x54, 0xbb, 0xfd, 0x33, 0x15, 0xbf, 0x85, 0x23, 0x05, 0x77 },
{ 0x47, 0x3d, 0x06, 0xe8, 0x73, 0x8d, 0xb8, 0x98, 0x54, 0xc0, 0x66, 0xc4, 0x7a, 0xe4, 0x77, 0x40 },
{ 0xa4, 0x26, 0xe5, 0xe4, 0x23, 0xbf, 0x48, 0x85, 0x29, 0x4d, 0xa4, 0x81, 0xfe, 0xae, 0xf7, 0x23 },
{ 0x78, 0x01, 0x77, 0x31, 0xcf, 0x65, 0xfa, 0xb0, 0x74, 0xd5, 0x20, 0x89, 0x52, 0x51, 0x2e, 0xb1 },
{ 0x9e, 0x25, 0xfc, 0x83, 0x3f, 0x22, 0x90, 0x73, 0x3e, 0x93, 0x44, 0xa5, 0xe8, 0x38, 0x39, 0xeb },
{ 0x56, 0x8e, 0x49, 0x5a, 0xbe, 0x52, 0x5a, 0x21, 0x8a, 0x22, 0x14, 0xcd, 0x3e, 0x07, 0x1d, 0x12 },
{ 0x4a, 0x29, 0xb5, 0x45, 0x52, 0xd1, 0x6b, 0x9a, 0x46, 0x9c, 0x10, 0x52, 0x8e, 0xff, 0x0a, 0xae },
{ 0xc9, 0xd1, 0x84, 0xdd, 0xd5, 0xa9, 0xf5, 0xe0, 0xcf, 0x8c, 0xe2, 0x9a, 0x9a, 0xbf, 0x69, 0x1c },
{ 0x2d, 0xb4, 0x79, 0xae, 0x78, 0xbd, 0x50, 0xd8, 0x88, 0x2a, 0x8a, 0x17, 0x8a, 0x61, 0x32, 0xad },
{ 0x8e, 0xce, 0x5f, 0x04, 0x2d, 0x5e, 0x44, 0x7b, 0x50, 0x51, 0xb9, 0xea, 0xcb, 0x8d, 0x8f, 0x6f },
{ 0x9c, 0x0b, 0x53, 0xb4, 0xb3, 0xc3, 0x07, 0xe8, 0x7e, 0xae, 0xe0, 0x86, 0x78, 0x14, 0x1f, 0x66 },
{ 0xab, 0xf2, 0x48, 0xaf, 0x69, 0xa6, 0xea, 0xe4, 0xbf, 0xd3, 0xeb, 0x2f, 0x12, 0x9e, 0xeb, 0x94 },
{ 0x06, 0x64, 0xda, 0x16, 0x68, 0x57, 0x4b, 0x88, 0xb9, 0x35, 0xf3, 0x02, 0x73, 0x58, 0xae, 0xf4 },
{ 0xaa, 0x4b, 0x9d, 0xc4, 0xbf, 0x33, 0x7d, 0xe9, 0x0c, 0xd4, 0xfd, 0x3c, 0x46, 0x7c, 0x6a, 0xb7 },
{ 0xea, 0x5c, 0x7f, 0x47, 0x1f, 0xaf, 0x6b, 0xde, 0x2b, 0x1a, 0xd7, 0xd4, 0x68, 0x6d, 0x22, 0x87 },
{ 0x29, 0x39, 0xb0, 0x18, 0x32, 0x23, 0xfa, 0xfc, 0x17, 0x23, 0xde, 0x4f, 0x52, 0xc4, 0x3d, 0x35 },
{ 0x7c, 0x39, 0x56, 0xca, 0x5e, 0xea, 0xfc, 0x3e, 0x36, 0x3e, 0x9d, 0x55, 0x65, 0x46, 0xeb, 0x68 },
{ 0x77, 0xc6, 0x07, 0x71, 0x46, 0xf0, 0x1c, 0x32, 0xb6, 0xb6, 0x9d, 0x5f, 0x4e, 0xa9, 0xff, 0xcf },
{ 0x37, 0xa6, 0x98, 0x6c, 0xb8, 0x84, 0x7e, 0xdf, 0x09, 0x25, 0xf0, 0xf1, 0x30, 0x9b, 0x54, 0xde },
{ 0xa7, 0x05, 0xf0, 0xe6, 0x9d, 0xa9, 0xa8, 0xf9, 0x07, 0x24, 0x1a, 0x2e, 0x92, 0x3c, 0x8c, 0xc8 },
{ 0x3d, 0xc4, 0x7d, 0x1f, 0x29, 0xc4, 0x48, 0x46, 0x1e, 0x9e, 0x76, 0xed, 0x90, 0x4f, 0x67, 0x11 },
{ 0x0d, 0x62, 0xbf, 0x01, 0xe6, 0xfc, 0x0e, 0x1a, 0x0d, 0x3c, 0x47, 0x51, 0xc5, 0xd3, 0x69, 0x2b },
{ 0x8c, 0x03, 0x46, 0x8b, 0xca, 0x7c, 0x66, 0x9e, 0xe4, 0xfd, 0x5e, 0x08, 0x4b, 0xbe, 0xe7, 0xb5 },
{ 0x52, 0x8a, 0x5b, 0xb9, 0x3b, 0xaf, 0x2c, 0x9c, 0x44, 0x73, 0xcc, 0xe5, 0xd0, 0xd2, 0x2b, 0xd9 },
{ 0xdf, 0x6a, 0x30, 0x1e, 0x95, 0xc9, 0x5d, 0xad, 0x97, 0xae, 0x0c, 0xc8, 0xc6, 0x91, 0x3b, 0xd8 },
{ 0x80, 0x11, 0x89, 0x90, 0x2c, 0x85, 0x7f, 0x39, 0xe7, 0x35, 0x91, 0x28, 0x5e, 0x70, 0xb6, 0xdb },
{ 0xe6, 0x17, 0x34, 0x6a, 0xc9, 0xc2, 0x31, 0xbb, 0x36, 0x50, 0xae, 0x34, 0xcc, 0xca, 0x0c, 0x5b },
{ 0x27, 0xd9, 0x34, 0x37, 0xef, 0xb7, 0x21, 0xaa, 0x40, 0x18, 0x21, 0xdc, 0xec, 0x5a, 0xdf, 0x89 },
{ 0x89, 0x23, 0x7d, 0x9d, 0xed, 0x9c, 0x5e, 0x78, 0xd8, 0xb1, 0xc9, 0xb1, 0x66, 0xcc, 0x73, 0x42 },
{ 0x4a, 0x6d, 0x80, 0x91, 0xbf, 0x5e, 0x7d, 0x65, 0x11, 0x89, 0xfa, 0x94, 0xa2, 0x50, 0xb1, 0x4c },
{ 0x0e, 0x33, 0xf9, 0x60, 0x55, 0xe7, 0xae, 0x89, 0x3f, 0xfc, 0x0e, 0x3d, 0xcf, 0x49, 0x29, 0x02 },
{ 0xe6, 0x1c, 0x43, 0x2b, 0x72, 0x0b, 0x19, 0xd1, 0x8e, 0xc8, 0xd8, 0x4b, 0xdc, 0x63, 0x15, 0x1b },
{ 0xf7, 0xe5, 0xae, 0xf5, 0x49, 0xf7, 0x82, 0xcf, 0x37, 0x90, 0x55, 0xa6, 0x08, 0x26, 0x9b, 0x16 },
{ 0x43, 0x8d, 0x03, 0x0f, 0xd0, 0xb7, 0xa5, 0x4f, 0xa8, 0x37, 0xf2, 0xad, 0x20, 0x1a, 0x64, 0x03 },
{ 0xa5, 0x90, 0xd3, 0xee, 0x4f, 0xbf, 0x04, 0xe3, 0x24, 0x7e, 0x0d, 0x27, 0xf2, 0x86, 0x42, 0x3f },
{ 0x5f, 0xe2, 0xc1, 0xa1, 0x72, 0xfe, 0x93, 0xc4, 0xb1, 0x5c, 0xd3, 0x7c, 0xae, 0xf9, 0xf5, 0x38 },
{ 0x2c, 0x97, 0x32, 0x5c, 0xbd, 0x06, 0xb3, 0x6e, 0xb2, 0x13, 0x3d, 0xd0, 0x8b, 0x3a, 0x01, 0x7c },
{ 0x92, 0xc8, 0x14, 0x22, 0x7a, 0x6b, 0xca, 0x94, 0x9f, 0xf0, 0x65, 0x9f, 0x00, 0x2a, 0xd3, 0x9e },
{ 0xdc, 0xe8, 0x50, 0x11, 0x0b, 0xd8, 0x32, 0x8c, 0xfb, 0xd5, 0x08, 0x41, 0xd6, 0x91, 0x1d, 0x87 },
{ 0x67, 0xf1, 0x49, 0x84, 0xc7, 0xda, 0x79, 0x12, 0x48, 0xe3, 0x2b, 0xb5, 0x92, 0x25, 0x83, 0xda },
{ 0x19, 0x38, 0xf2, 0xcf, 0x72, 0xd5, 0x4e, 0xe9, 0x7e, 0x94, 0x16, 0x6f, 0xa9, 0x1d, 0x2a, 0x36 },
{ 0x74, 0x48, 0x1e, 0x96, 0x46, 0xed, 0x49, 0xfe, 0x0f, 0x62, 0x24, 0x30, 0x16, 0x04, 0x69, 0x8e },
{ 0x57, 0xfc, 0xa5, 0xde, 0x98, 0xa9, 0xd6, 0xd8, 0x00, 0x64, 0x38, 0xd0, 0x58, 0x3d, 0x8a, 0x1d },
{ 0x9f, 0xec, 0xde, 0x1c, 0xef, 0xdc, 0x1c, 0xbe, 0xd4, 0x76, 0x36, 0x74, 0xd9, 0x57, 0x53, 0x59 },
{ 0xe3, 0x04, 0x0c, 0x00, 0xeb, 0x28, 0xf1, 0x53, 0x66, 0xca, 0x73, 0xcb, 0xd8, 0x72, 0xe7, 0x40 },
{ 0x76, 0x97, 0x00, 0x9a, 0x6a, 0x83, 0x1d, 0xfe, 0xcc, 0xa9, 0x1c, 0x59, 0x93, 0x67, 0x0f, 0x7a },
{ 0x58, 0x53, 0x54, 0x23, 0x21, 0xf5, 0x67, 0xa0, 0x05, 0xd5, 0x47, 0xa4, 0xf0, 0x47, 0x59, 0xbd },
{ 0x51, 0x50, 0xd1, 0x77, 0x2f, 0x50, 0x83, 0x4a, 0x50, 0x3e, 0x06, 0x9a, 0x97, 0x3f, 0xbd, 0x7c }
#endif
};
int test_vectors()
{
uint8_t in[MAXLEN], out[HASHLEN], k[KEYLEN];
int i;
int fails = 0;
for( i = 0; i < KEYLEN; ++i ) k[i] = i;
for( i = 0; i < MAXLEN; ++i )
{
in[i] = i;
siphash( out, in, i, k );
if ( memcmp( out, vectors[i], HASHLEN ) )
{
printf( "test vector failed for %d bytes\n", i );
fails++;
}
}
return fails;
}
int main()
{
if ( !test_vectors() )
printf( "test vector ok\n" );
return 0;
}

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@ -1,29 +0,0 @@
CC=gcc
CFLAGS=-Wall
SRC=siphash24.c main.c
BIN=siphash24_test siphash24_debug
BIN_DOUBLE=siphash24_test_double siphash24_debug_double
all: $(BIN)
siphash24_test: $(SRC)
$(CC) $(CFLAGS) $^ -o $@
siphash24_debug: $(SRC)
$(CC) $(CFLAGS) $^ -o $@ -DDEBUG
double: $(BIN_DOUBLE)
siphash24_test_double: $(SRC)
$(CC) $(CFLAGS) $^ -o $@ -DDOUBLE
siphash24_debug_double: $(SRC)
$(CC) $(CFLAGS) $^ -o $@ -DDOUBLE -DDEBUG
clean:
rm -f *.o $(BIN) $(BIN_DOUBLE)
dist: clean
cd ..; \
tar zcf SipHash-`date +%Y%m%d%H%M`.tgz SipHash/*

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@ -1,15 +1,18 @@
/* /*
SipHash reference C implementation SipHash reference C implementation
Copyright (c) 2012-2014 Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com> Copyright (c) 2012-2014 Jean-Philippe Aumasson
<jeanphilippe.aumasson@gmail.com>
Copyright (c) 2012-2014 Daniel J. Bernstein <djb@cr.yp.to> Copyright (c) 2012-2014 Daniel J. Bernstein <djb@cr.yp.to>
To the extent possible under law, the author(s) have dedicated all copyright To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty. worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with You should have received a copy of the CC0 Public Domain Dedication along
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. with
this software. If not, see
<http://creativecommons.org/publicdomain/zero/1.0/>.
*/ */
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
@ -19,65 +22,72 @@
#define cROUNDS 2 #define cROUNDS 2
#define dROUNDS 4 #define dROUNDS 4
#define ROTL(x,b) (uint64_t)( ((x) << (b)) | ( (x) >> (64 - (b))) ) #define ROTL(x, b) (uint64_t)(((x) << (b)) | ((x) >> (64 - (b))))
#define U32TO8_LE(p, v) \ #define U32TO8_LE(p, v) \
(p)[0] = (uint8_t)((v) ); (p)[1] = (uint8_t)((v) >> 8); \ (p)[0] = (uint8_t)((v)); \
(p)[2] = (uint8_t)((v) >> 16); (p)[3] = (uint8_t)((v) >> 24); (p)[1] = (uint8_t)((v) >> 8); \
(p)[2] = (uint8_t)((v) >> 16); \
(p)[3] = (uint8_t)((v) >> 24);
#define U64TO8_LE(p, v) \ #define U64TO8_LE(p, v) \
U32TO8_LE((p), (uint32_t)((v) )); \ U32TO8_LE((p), (uint32_t)((v))); \
U32TO8_LE((p) + 4, (uint32_t)((v) >> 32)); U32TO8_LE((p) + 4, (uint32_t)((v) >> 32));
#define U8TO64_LE(p) \ #define U8TO64_LE(p) \
(((uint64_t)((p)[0]) ) | \ (((uint64_t)((p)[0])) | ((uint64_t)((p)[1]) << 8) | \
((uint64_t)((p)[1]) << 8) | \ ((uint64_t)((p)[2]) << 16) | ((uint64_t)((p)[3]) << 24) | \
((uint64_t)((p)[2]) << 16) | \ ((uint64_t)((p)[4]) << 32) | ((uint64_t)((p)[5]) << 40) | \
((uint64_t)((p)[3]) << 24) | \ ((uint64_t)((p)[6]) << 48) | ((uint64_t)((p)[7]) << 56))
((uint64_t)((p)[4]) << 32) | \
((uint64_t)((p)[5]) << 40) | \
((uint64_t)((p)[6]) << 48) | \
((uint64_t)((p)[7]) << 56))
#define SIPROUND \ #define SIPROUND \
do { \ do { \
v0 += v1; v1=ROTL(v1,13); v1 ^= v0; v0=ROTL(v0,32); \ v0 += v1; \
v2 += v3; v3=ROTL(v3,16); v3 ^= v2; \ v1 = ROTL(v1, 13); \
v0 += v3; v3=ROTL(v3,21); v3 ^= v0; \ v1 ^= v0; \
v2 += v1; v1=ROTL(v1,17); v1 ^= v2; v2=ROTL(v2,32); \ v0 = ROTL(v0, 32); \
} while(0) v2 += v3; \
v3 = ROTL(v3, 16); \
v3 ^= v2; \
v0 += v3; \
v3 = ROTL(v3, 21); \
v3 ^= v0; \
v2 += v1; \
v1 = ROTL(v1, 17); \
v1 ^= v2; \
v2 = ROTL(v2, 32); \
} while (0)
#ifdef DEBUG #ifdef DEBUG
#define TRACE \ #define TRACE \
do { \ do { \
printf( "(%3d) v0 %08x %08x\n", \ printf("(%3d) v0 %08x %08x\n", (int)inlen, (uint32_t)(v0 >> 32), \
( int )inlen, ( uint32_t )( v0 >> 32 ), ( uint32_t )v0 ); \ (uint32_t)v0); \
printf( "(%3d) v1 %08x %08x\n", \ printf("(%3d) v1 %08x %08x\n", (int)inlen, (uint32_t)(v1 >> 32), \
( int )inlen, ( uint32_t )( v1 >> 32 ), ( uint32_t )v1 ); \ (uint32_t)v1); \
printf( "(%3d) v2 %08x %08x\n", \ printf("(%3d) v2 %08x %08x\n", (int)inlen, (uint32_t)(v2 >> 32), \
( int )inlen, ( uint32_t )( v2 >> 32 ), ( uint32_t )v2 ); \ (uint32_t)v2); \
printf( "(%3d) v3 %08x %08x\n", \ printf("(%3d) v3 %08x %08x\n", (int)inlen, (uint32_t)(v3 >> 32), \
( int )inlen, ( uint32_t )( v3 >> 32 ), ( uint32_t )v3 ); \ (uint32_t)v3); \
} while(0) } while (0)
#else #else
#define TRACE #define TRACE
#endif #endif
int siphash( uint8_t *out, const uint8_t *in, uint64_t inlen, const uint8_t *k ) int siphash(uint8_t *out, const uint8_t *in, uint64_t inlen, const uint8_t *k) {
{
/* "somepseudorandomlygeneratedbytes" */ /* "somepseudorandomlygeneratedbytes" */
uint64_t v0 = 0x736f6d6570736575ULL; uint64_t v0 = 0x736f6d6570736575ULL;
uint64_t v1 = 0x646f72616e646f6dULL; uint64_t v1 = 0x646f72616e646f6dULL;
uint64_t v2 = 0x6c7967656e657261ULL; uint64_t v2 = 0x6c7967656e657261ULL;
uint64_t v3 = 0x7465646279746573ULL; uint64_t v3 = 0x7465646279746573ULL;
uint64_t b; uint64_t b;
uint64_t k0 = U8TO64_LE( k ); uint64_t k0 = U8TO64_LE(k);
uint64_t k1 = U8TO64_LE( k + 8 ); uint64_t k1 = U8TO64_LE(k + 8);
uint64_t m; uint64_t m;
int i; int i;
const uint8_t *end = in + inlen - ( inlen % sizeof( uint64_t ) ); const uint8_t *end = in + inlen - (inlen % sizeof(uint64_t));
const int left = inlen & 7; const int left = inlen & 7;
b = ( ( uint64_t )inlen ) << 56; b = ((uint64_t)inlen) << 56;
v3 ^= k1; v3 ^= k1;
v2 ^= k0; v2 ^= k0;
v1 ^= k1; v1 ^= k1;
@ -87,34 +97,42 @@ int siphash( uint8_t *out, const uint8_t *in, uint64_t inlen, const uint8_t *k
v1 ^= 0xee; v1 ^= 0xee;
#endif #endif
for ( ; in != end; in += 8 ) for (; in != end; in += 8) {
{ m = U8TO64_LE(in);
m = U8TO64_LE( in );
v3 ^= m; v3 ^= m;
TRACE; TRACE;
for( i=0; i<cROUNDS; ++i ) SIPROUND; for (i = 0; i < cROUNDS; ++i)
SIPROUND;
v0 ^= m; v0 ^= m;
} }
switch( left ) switch (left) {
{ case 7:
case 7: b |= ( ( uint64_t )in[ 6] ) << 48; b |= ((uint64_t)in[6]) << 48;
case 6: b |= ( ( uint64_t )in[ 5] ) << 40; case 6:
case 5: b |= ( ( uint64_t )in[ 4] ) << 32; b |= ((uint64_t)in[5]) << 40;
case 4: b |= ( ( uint64_t )in[ 3] ) << 24; case 5:
case 3: b |= ( ( uint64_t )in[ 2] ) << 16; b |= ((uint64_t)in[4]) << 32;
case 2: b |= ( ( uint64_t )in[ 1] ) << 8; case 4:
case 1: b |= ( ( uint64_t )in[ 0] ); break; b |= ((uint64_t)in[3]) << 24;
case 0: break; case 3:
b |= ((uint64_t)in[2]) << 16;
case 2:
b |= ((uint64_t)in[1]) << 8;
case 1:
b |= ((uint64_t)in[0]);
break;
case 0:
break;
} }
v3 ^= b; v3 ^= b;
TRACE; TRACE;
for( i=0; i<cROUNDS; ++i ) SIPROUND; for (i = 0; i < cROUNDS; ++i)
SIPROUND;
v0 ^= b; v0 ^= b;
@ -125,19 +143,21 @@ int siphash( uint8_t *out, const uint8_t *in, uint64_t inlen, const uint8_t *k
#endif #endif
TRACE; TRACE;
for( i=0; i<dROUNDS; ++i ) SIPROUND; for (i = 0; i < dROUNDS; ++i)
SIPROUND;
b = v0 ^ v1 ^ v2 ^ v3; b = v0 ^ v1 ^ v2 ^ v3;
U64TO8_LE( out, b ); U64TO8_LE(out, b);
#ifdef DOUBLE #ifdef DOUBLE
v1 ^= 0xdd; v1 ^= 0xdd;
TRACE; TRACE;
for( i=0; i<dROUNDS; ++i ) SIPROUND; for (i = 0; i < dROUNDS; ++i)
SIPROUND;
b = v0 ^ v1 ^ v2 ^ v3; b = v0 ^ v1 ^ v2 ^ v3;
U64TO8_LE( out+8, b ); U64TO8_LE(out + 8, b);
#endif #endif
return 0; return 0;