/*
   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

int siphash(const uint8_t *in, const size_t inlen, const uint8_t *k,    \
        uint8_t *out, const size_t outlen);
int halfsiphash(const uint8_t *in, const size_t inlen, const uint8_t *k,\
        uint8_t *out, const size_t outlen);

/*
   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_sip64[MAXLEN][8] =
{
    { 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 }
};

const uint8_t vectors_sip128[MAXLEN][16] =
{
    { 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  }
};

const uint8_t vectors_halfsip32[MAXLEN][4] =
{
    { 0xc0, 0xac, 0xd5, 0x9d },
    { 0xa4, 0x8e, 0x47, 0x8e },
    { 0xc1, 0x7d, 0xc7, 0xdf },
    { 0x18, 0x01, 0x1e, 0xa4 },
    { 0xd2, 0x67, 0x8a, 0x91 },
    { 0xa8, 0x3d, 0xbc, 0xf2 },
    { 0x55, 0xe5, 0x0f, 0xca },
    { 0xe1, 0xae, 0x0f, 0xf7 },
    { 0x30, 0x85, 0xd7, 0xcc },
    { 0x99, 0x73, 0x18, 0x49 },
    { 0x5e, 0x84, 0x3d, 0xca },
    { 0x5d, 0x5b, 0x50, 0x6a },
    { 0x84, 0x33, 0x46, 0xe7 },
    { 0xec, 0x60, 0x1b, 0x04 },
    { 0xb9, 0x84, 0x31, 0x05 },
    { 0x7b, 0x56, 0x51, 0x4f },
    { 0xc0, 0xdd, 0xba, 0x66 },
    { 0xf4, 0x50, 0x8d, 0x51 },
    { 0xe8, 0x0c, 0x26, 0x7e },
    { 0x5f, 0x9b, 0x41, 0x4f },
    { 0x7b, 0x60, 0x36, 0x82 },
    { 0x47, 0x9a, 0xaf, 0xec },
    { 0xda, 0x9d, 0xff, 0x82 },
    { 0x31, 0xfa, 0xa9, 0x9b },
    { 0xf4, 0xda, 0x9e, 0xf0 },
    { 0x0a, 0x96, 0x2b, 0x24 },
    { 0x84, 0xb1, 0xca, 0x95 },
    { 0x8a, 0xeb, 0xe7, 0xd0 },
    { 0xc1, 0x02, 0xea, 0xea },
    { 0xe8, 0x46, 0xe9, 0xae },
    { 0x5c, 0xf6, 0x91, 0xcb },
    { 0x74, 0x79, 0xa0, 0x1a },
    { 0xcb, 0x2a, 0x7c, 0x53 },
    { 0x23, 0x80, 0x69, 0x73 },
    { 0xd2, 0x39, 0x39, 0x0a },
    { 0x51, 0x0f, 0x5d, 0xe5 },
    { 0x4b, 0xd9, 0xbe, 0x04 },
    { 0x65, 0xc7, 0x3a, 0xcb },
    { 0xd4, 0xb4, 0xf4, 0xa6 },
    { 0xff, 0x50, 0xb3, 0xa8 },
    { 0xfa, 0x17, 0xf5, 0xfd },
    { 0xe5, 0xf0, 0xe6, 0x75 },
    { 0x90, 0x02, 0x9f, 0x7f },
    { 0x4c, 0x8d, 0xc5, 0x0c },
    { 0xd4, 0xab, 0x38, 0x01 },
    { 0x14, 0x5a, 0x47, 0x65 },
    { 0x69, 0x00, 0xf8, 0x29 },
    { 0x67, 0xdd, 0x53, 0x9a },
    { 0x9f, 0x9d, 0x47, 0xab },
    { 0x34, 0x20, 0x67, 0x9e },
    { 0xf0, 0x7a, 0x7e, 0x26 },
    { 0x02, 0xc5, 0xa1, 0xa8 },
    { 0xc0, 0xe3, 0x28, 0x72 },
    { 0xf7, 0x1a, 0x0c, 0xe5 },
    { 0x3b, 0x0b, 0x94, 0x67 },
    { 0x30, 0xbe, 0xf0, 0xcf },
    { 0xd7, 0x1c, 0xa7, 0xe7 },
    { 0x74, 0xfb, 0xc0, 0xd8 },
    { 0x76, 0x24, 0xcc, 0xe2 },
    { 0x33, 0x2d, 0x18, 0x2a },
    { 0x71, 0x3b, 0x59, 0x2d },
    { 0xaa, 0xfd, 0x42, 0x6a },
    { 0xd1, 0xcf, 0x9d, 0x0a },
    { 0x86, 0x0b, 0x6e, 0xc8 },
};

const uint8_t vectors_halfsip64[MAXLEN][8] =
{
    { 0xb8, 0x62, 0x84, 0x3a, 0x86, 0x64, 0x73, 0xae },
    { 0xe0, 0xe2, 0xb6, 0xd2, 0x21, 0x57, 0xd5, 0x75 },
    { 0x67, 0xde, 0x38, 0xbf, 0xc4, 0xb2, 0x44, 0xd4 },
    { 0x3c, 0xe0, 0x26, 0x24, 0x27, 0xf9, 0xcc, 0x24 },
    { 0x33, 0xb2, 0xf3, 0x0a, 0xce, 0x59, 0xa2, 0xf5 },
    { 0xca, 0x79, 0x45, 0x60, 0x6d, 0x15, 0xa6, 0xd0 },
    { 0xa7, 0xdf, 0x19, 0x39, 0x12, 0xdc, 0xc5, 0xf9 },
    { 0xa7, 0xfd, 0x3d, 0xe1, 0x27, 0x7b, 0xf6, 0xe3 },
    { 0x70, 0xc9, 0x51, 0x15, 0xc6, 0x00, 0x15, 0x03 },
    { 0x65, 0x4b, 0x0c, 0x2d, 0x10, 0xa0, 0x3d, 0x45 },
    { 0x31, 0x76, 0x92, 0x4f, 0x01, 0xdd, 0x29, 0x99 },
    { 0x27, 0x96, 0x5d, 0x92, 0xd1, 0x33, 0x59, 0x30 },
    { 0xd2, 0x8b, 0xcf, 0xc9, 0x31, 0x42, 0x51, 0xe8 },
    { 0xd8, 0x82, 0x3e, 0x37, 0xb4, 0x15, 0xfa, 0x43 },
    { 0x46, 0xe5, 0x13, 0xd6, 0x86, 0xa8, 0xde, 0x4e },
    { 0x04, 0x26, 0x89, 0x09, 0xcb, 0x1f, 0x7f, 0xf4 },
    { 0xc7, 0x8e, 0xab, 0x4f, 0x6c, 0x9a, 0x2b, 0xad },
    { 0xf0, 0x42, 0xd8, 0xf5, 0xf9, 0x8e, 0x43, 0xa4 },
    { 0x13, 0x7b, 0x2c, 0x31, 0xc9, 0x77, 0x7f, 0x31 },
    { 0x4c, 0x5b, 0x8d, 0xb5, 0xcc, 0x8b, 0x3f, 0x1e },
    { 0x56, 0xaa, 0xcf, 0xb6, 0x97, 0x85, 0xd3, 0xa6 },
    { 0xb7, 0x22, 0x8d, 0x6f, 0x7a, 0x40, 0x6e, 0x5b },
    { 0xcc, 0x84, 0x85, 0x75, 0x2d, 0x5a, 0x22, 0xcf },
    { 0xed, 0xec, 0x84, 0x7d, 0xc5, 0xad, 0x2a, 0x92 },
    { 0xd8, 0xfa, 0xba, 0x0b, 0xdc, 0x46, 0x36, 0xc1 },
    { 0x52, 0x88, 0x3f, 0x23, 0x2b, 0x74, 0xd7, 0x7f },
    { 0x8f, 0xb5, 0xe1, 0xd6, 0xc6, 0x5d, 0xf4, 0x06 },
    { 0xbe, 0x18, 0xd7, 0xb0, 0xa1, 0xec, 0xcd, 0xba },
    { 0x4f, 0xd7, 0x0f, 0xdf, 0x14, 0x85, 0x20, 0x44 },
    { 0xf1, 0xce, 0x14, 0x1b, 0x30, 0x1d, 0xd1, 0x2a },
    { 0x98, 0x32, 0x38, 0xda, 0x09, 0xb0, 0x0b, 0xef },
    { 0x25, 0xa4, 0x5e, 0xf9, 0xc5, 0xc7, 0x13, 0x24 },
    { 0x76, 0xb1, 0xdf, 0xec, 0xcd, 0x56, 0x37, 0xd4 },
    { 0xe0, 0xca, 0xfc, 0x7b, 0x89, 0xba, 0x55, 0x21 },
    { 0xc3, 0x61, 0xbe, 0xa1, 0x78, 0x53, 0x14, 0x04 },
    { 0x1f, 0xb3, 0x6e, 0x12, 0x77, 0x06, 0x12, 0x1f },
    { 0xb2, 0xc5, 0x0e, 0x7a, 0x24, 0x35, 0xfc, 0x05 },
    { 0x87, 0xa2, 0x2b, 0xc6, 0xec, 0x73, 0x69, 0x29 },
    { 0xee, 0x92, 0x71, 0x74, 0xfe, 0x9d, 0x67, 0x61 },
    { 0xa3, 0x8e, 0xc9, 0xdd, 0xf4, 0x4b, 0xec, 0xc0 },
    { 0x37, 0x17, 0x99, 0x3c, 0xbc, 0xa1, 0x29, 0x09 },
    { 0x63, 0x94, 0xed, 0xf0, 0x15, 0x7e, 0xa7, 0xae },
    { 0x25, 0xe8, 0x93, 0x60, 0xef, 0x3d, 0xae, 0x45 },
    { 0x62, 0x1f, 0xf6, 0xd8, 0x56, 0x46, 0x9b, 0x21 },
    { 0x6b, 0xf2, 0xf9, 0x8b, 0x8f, 0x85, 0xee, 0x7a },
    { 0xb4, 0x62, 0x03, 0xe7, 0xdf, 0x69, 0x2b, 0xea },
    { 0x77, 0xf1, 0x25, 0xfb, 0x38, 0x89, 0xa2, 0xe2 },
    { 0x72, 0xb7, 0x0d, 0xa6, 0xc9, 0x1a, 0x0c, 0x1c },
    { 0x47, 0x2c, 0xe2, 0xa9, 0xa1, 0x7d, 0x3f, 0x8a },
    { 0x47, 0x1d, 0x2f, 0x9a, 0x3b, 0xaa, 0x0e, 0x3e },
    { 0xfc, 0x95, 0x2a, 0xa5, 0x4a, 0xd8, 0xb3, 0x99 },
    { 0x28, 0xf5, 0x7f, 0xcd, 0x2f, 0xc1, 0x83, 0x56 },
    { 0x24, 0xd2, 0xe6, 0x15, 0x9f, 0xae, 0xf6, 0x94 },
    { 0xd9, 0xb5, 0x0d, 0x34, 0x88, 0xdd, 0xd8, 0x58 },
    { 0xa7, 0xc6, 0xbf, 0x4e, 0x05, 0xb5, 0x5c, 0x54 },
    { 0x60, 0x33, 0xe4, 0xcf, 0xe1, 0xcf, 0xdf, 0x71 },
    { 0xc1, 0x7e, 0x6d, 0x72, 0xda, 0xd1, 0xd0, 0x3a },
    { 0x14, 0xd7, 0xd5, 0xe2, 0x06, 0xc8, 0x93, 0x0e },
    { 0x65, 0xb8, 0x91, 0xe4, 0x0a, 0x52, 0xb8, 0x94 },
    { 0x4b, 0x72, 0x77, 0xc0, 0x5d, 0x84, 0x92, 0x50 },
    { 0x03, 0xb9, 0x51, 0x4a, 0x9f, 0xd6, 0xba, 0xd2 },
    { 0x2e, 0xc7, 0x23, 0x2f, 0xbe, 0xe1, 0xcd, 0x29 },
    { 0xb3, 0xa7, 0xb7, 0x4a, 0x40, 0x0d, 0xf9, 0xdc },
    { 0xec, 0x37, 0x76, 0xe7, 0x27, 0xc2, 0x0b, 0x93 },
};

int main()
{
    uint8_t in[MAXLEN], out[16], k[16];
    int i;
    int fails = 0;

    for( i = 0; i < 16; ++i ) k[i] = i;


    printf( "SipHash 64-bit tag:\n");
    for( i = 0; i < MAXLEN; ++i )
    {
        in[i] = i;
        siphash( in, i, k, out, 8 );

        if ( memcmp( out, vectors_sip64[i], 8 ) )
        {
            printf( "fail for %d bytes\n", i );
            fails++;
        }
    }
    if (!fails) printf("OK\n");

    fails = 0;

    printf( "SipHash 128-bit tag:\n");
    for( i = 0; i < MAXLEN; ++i )
    {
        in[i] = i;
        siphash( in, i, k, out, 16 );

        if ( memcmp( out, vectors_sip128[i], 16 ) )
        {
            printf( "fail for %d bytes\n", i );
            fails++;
        }
    }
    if (!fails) printf("OK\n");

    fails = 0;

    printf( "HalfSipHash 32-bit tag:\n");
    for( i = 0; i < MAXLEN; ++i )
    {
        in[i] = i;
        halfsiphash( in, i, k, out, 4 );

        if ( memcmp( out, vectors_halfsip32[i], 4 ) )
        {
            printf( "fail for %d bytes\n", i );
            fails++;
        }
    }
    if (!fails) printf("OK\n");

    fails = 0;

    printf( "HalfSipHash 64-bit tag:\n");
    for( i = 0; i < MAXLEN; ++i )
    {
        in[i] = i;
        halfsiphash( in, i, k, out, 8 );

        if ( memcmp( out, vectors_halfsip64[i], 8 ) )
        {
            printf( "fail for %d bytes\n", i );
            fails++;
        }
    }

    if (!fails) printf("OK\n");

    return 0;
}