mirror of
https://github.com/didyouexpectthat/zerotierone.git
synced 2024-11-13 19:50:07 -08:00
353 lines
9.9 KiB
C++
353 lines
9.9 KiB
C++
/*
|
|
* ZeroTier One - Network Virtualization Everywhere
|
|
* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "SHA512.hpp"
|
|
#include "Utils.hpp"
|
|
|
|
namespace ZeroTier {
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Code taken from NaCl by D. J. Bernstein and others
|
|
// Public domain
|
|
|
|
/*
|
|
20080913
|
|
D. J. Bernstein
|
|
Public domain.
|
|
*/
|
|
|
|
#define uint64 uint64_t
|
|
|
|
#ifdef ZT_NO_TYPE_PUNNING
|
|
|
|
static uint64 load_bigendian(const unsigned char *x)
|
|
{
|
|
return
|
|
(uint64) (x[7]) \
|
|
| (((uint64) (x[6])) << 8) \
|
|
| (((uint64) (x[5])) << 16) \
|
|
| (((uint64) (x[4])) << 24) \
|
|
| (((uint64) (x[3])) << 32) \
|
|
| (((uint64) (x[2])) << 40) \
|
|
| (((uint64) (x[1])) << 48) \
|
|
| (((uint64) (x[0])) << 56)
|
|
;
|
|
}
|
|
|
|
static void store_bigendian(unsigned char *x,uint64 u)
|
|
{
|
|
x[7] = u; u >>= 8;
|
|
x[6] = u; u >>= 8;
|
|
x[5] = u; u >>= 8;
|
|
x[4] = u; u >>= 8;
|
|
x[3] = u; u >>= 8;
|
|
x[2] = u; u >>= 8;
|
|
x[1] = u; u >>= 8;
|
|
x[0] = u;
|
|
}
|
|
|
|
#else // !ZT_NO_TYPE_PUNNING
|
|
|
|
#define load_bigendian(x) Utils::ntoh(*((const uint64_t *)(x)))
|
|
#define store_bigendian(x,u) (*((uint64_t *)(x)) = Utils::hton((u)))
|
|
|
|
#endif // ZT_NO_TYPE_PUNNING
|
|
|
|
#define SHR(x,c) ((x) >> (c))
|
|
#define ROTR(x,c) (((x) >> (c)) | ((x) << (64 - (c))))
|
|
|
|
#define Ch(x,y,z) ((x & y) ^ (~x & z))
|
|
#define Maj(x,y,z) ((x & y) ^ (x & z) ^ (y & z))
|
|
#define Sigma0(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
|
|
#define Sigma1(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
|
|
#define sigma0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x,7))
|
|
#define sigma1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x,6))
|
|
|
|
#define M(w0,w14,w9,w1) w0 = sigma1(w14) + w9 + sigma0(w1) + w0;
|
|
|
|
#define EXPAND \
|
|
M(w0 ,w14,w9 ,w1 ) \
|
|
M(w1 ,w15,w10,w2 ) \
|
|
M(w2 ,w0 ,w11,w3 ) \
|
|
M(w3 ,w1 ,w12,w4 ) \
|
|
M(w4 ,w2 ,w13,w5 ) \
|
|
M(w5 ,w3 ,w14,w6 ) \
|
|
M(w6 ,w4 ,w15,w7 ) \
|
|
M(w7 ,w5 ,w0 ,w8 ) \
|
|
M(w8 ,w6 ,w1 ,w9 ) \
|
|
M(w9 ,w7 ,w2 ,w10) \
|
|
M(w10,w8 ,w3 ,w11) \
|
|
M(w11,w9 ,w4 ,w12) \
|
|
M(w12,w10,w5 ,w13) \
|
|
M(w13,w11,w6 ,w14) \
|
|
M(w14,w12,w7 ,w15) \
|
|
M(w15,w13,w8 ,w0 )
|
|
|
|
#define F(w,k) \
|
|
T1 = h + Sigma1(e) + Ch(e,f,g) + k + w; \
|
|
T2 = Sigma0(a) + Maj(a,b,c); \
|
|
h = g; \
|
|
g = f; \
|
|
f = e; \
|
|
e = d + T1; \
|
|
d = c; \
|
|
c = b; \
|
|
b = a; \
|
|
a = T1 + T2;
|
|
|
|
static inline int crypto_hashblocks(unsigned char *statebytes,const unsigned char *in,unsigned long long inlen)
|
|
{
|
|
uint64 state[8];
|
|
uint64 a;
|
|
uint64 b;
|
|
uint64 c;
|
|
uint64 d;
|
|
uint64 e;
|
|
uint64 f;
|
|
uint64 g;
|
|
uint64 h;
|
|
uint64 T1;
|
|
uint64 T2;
|
|
|
|
a = load_bigendian(statebytes + 0); state[0] = a;
|
|
b = load_bigendian(statebytes + 8); state[1] = b;
|
|
c = load_bigendian(statebytes + 16); state[2] = c;
|
|
d = load_bigendian(statebytes + 24); state[3] = d;
|
|
e = load_bigendian(statebytes + 32); state[4] = e;
|
|
f = load_bigendian(statebytes + 40); state[5] = f;
|
|
g = load_bigendian(statebytes + 48); state[6] = g;
|
|
h = load_bigendian(statebytes + 56); state[7] = h;
|
|
|
|
while (inlen >= 128) {
|
|
uint64 w0 = load_bigendian(in + 0);
|
|
uint64 w1 = load_bigendian(in + 8);
|
|
uint64 w2 = load_bigendian(in + 16);
|
|
uint64 w3 = load_bigendian(in + 24);
|
|
uint64 w4 = load_bigendian(in + 32);
|
|
uint64 w5 = load_bigendian(in + 40);
|
|
uint64 w6 = load_bigendian(in + 48);
|
|
uint64 w7 = load_bigendian(in + 56);
|
|
uint64 w8 = load_bigendian(in + 64);
|
|
uint64 w9 = load_bigendian(in + 72);
|
|
uint64 w10 = load_bigendian(in + 80);
|
|
uint64 w11 = load_bigendian(in + 88);
|
|
uint64 w12 = load_bigendian(in + 96);
|
|
uint64 w13 = load_bigendian(in + 104);
|
|
uint64 w14 = load_bigendian(in + 112);
|
|
uint64 w15 = load_bigendian(in + 120);
|
|
|
|
F(w0 ,0x428a2f98d728ae22ULL)
|
|
F(w1 ,0x7137449123ef65cdULL)
|
|
F(w2 ,0xb5c0fbcfec4d3b2fULL)
|
|
F(w3 ,0xe9b5dba58189dbbcULL)
|
|
F(w4 ,0x3956c25bf348b538ULL)
|
|
F(w5 ,0x59f111f1b605d019ULL)
|
|
F(w6 ,0x923f82a4af194f9bULL)
|
|
F(w7 ,0xab1c5ed5da6d8118ULL)
|
|
F(w8 ,0xd807aa98a3030242ULL)
|
|
F(w9 ,0x12835b0145706fbeULL)
|
|
F(w10,0x243185be4ee4b28cULL)
|
|
F(w11,0x550c7dc3d5ffb4e2ULL)
|
|
F(w12,0x72be5d74f27b896fULL)
|
|
F(w13,0x80deb1fe3b1696b1ULL)
|
|
F(w14,0x9bdc06a725c71235ULL)
|
|
F(w15,0xc19bf174cf692694ULL)
|
|
|
|
EXPAND
|
|
|
|
F(w0 ,0xe49b69c19ef14ad2ULL)
|
|
F(w1 ,0xefbe4786384f25e3ULL)
|
|
F(w2 ,0x0fc19dc68b8cd5b5ULL)
|
|
F(w3 ,0x240ca1cc77ac9c65ULL)
|
|
F(w4 ,0x2de92c6f592b0275ULL)
|
|
F(w5 ,0x4a7484aa6ea6e483ULL)
|
|
F(w6 ,0x5cb0a9dcbd41fbd4ULL)
|
|
F(w7 ,0x76f988da831153b5ULL)
|
|
F(w8 ,0x983e5152ee66dfabULL)
|
|
F(w9 ,0xa831c66d2db43210ULL)
|
|
F(w10,0xb00327c898fb213fULL)
|
|
F(w11,0xbf597fc7beef0ee4ULL)
|
|
F(w12,0xc6e00bf33da88fc2ULL)
|
|
F(w13,0xd5a79147930aa725ULL)
|
|
F(w14,0x06ca6351e003826fULL)
|
|
F(w15,0x142929670a0e6e70ULL)
|
|
|
|
EXPAND
|
|
|
|
F(w0 ,0x27b70a8546d22ffcULL)
|
|
F(w1 ,0x2e1b21385c26c926ULL)
|
|
F(w2 ,0x4d2c6dfc5ac42aedULL)
|
|
F(w3 ,0x53380d139d95b3dfULL)
|
|
F(w4 ,0x650a73548baf63deULL)
|
|
F(w5 ,0x766a0abb3c77b2a8ULL)
|
|
F(w6 ,0x81c2c92e47edaee6ULL)
|
|
F(w7 ,0x92722c851482353bULL)
|
|
F(w8 ,0xa2bfe8a14cf10364ULL)
|
|
F(w9 ,0xa81a664bbc423001ULL)
|
|
F(w10,0xc24b8b70d0f89791ULL)
|
|
F(w11,0xc76c51a30654be30ULL)
|
|
F(w12,0xd192e819d6ef5218ULL)
|
|
F(w13,0xd69906245565a910ULL)
|
|
F(w14,0xf40e35855771202aULL)
|
|
F(w15,0x106aa07032bbd1b8ULL)
|
|
|
|
EXPAND
|
|
|
|
F(w0 ,0x19a4c116b8d2d0c8ULL)
|
|
F(w1 ,0x1e376c085141ab53ULL)
|
|
F(w2 ,0x2748774cdf8eeb99ULL)
|
|
F(w3 ,0x34b0bcb5e19b48a8ULL)
|
|
F(w4 ,0x391c0cb3c5c95a63ULL)
|
|
F(w5 ,0x4ed8aa4ae3418acbULL)
|
|
F(w6 ,0x5b9cca4f7763e373ULL)
|
|
F(w7 ,0x682e6ff3d6b2b8a3ULL)
|
|
F(w8 ,0x748f82ee5defb2fcULL)
|
|
F(w9 ,0x78a5636f43172f60ULL)
|
|
F(w10,0x84c87814a1f0ab72ULL)
|
|
F(w11,0x8cc702081a6439ecULL)
|
|
F(w12,0x90befffa23631e28ULL)
|
|
F(w13,0xa4506cebde82bde9ULL)
|
|
F(w14,0xbef9a3f7b2c67915ULL)
|
|
F(w15,0xc67178f2e372532bULL)
|
|
|
|
EXPAND
|
|
|
|
F(w0 ,0xca273eceea26619cULL)
|
|
F(w1 ,0xd186b8c721c0c207ULL)
|
|
F(w2 ,0xeada7dd6cde0eb1eULL)
|
|
F(w3 ,0xf57d4f7fee6ed178ULL)
|
|
F(w4 ,0x06f067aa72176fbaULL)
|
|
F(w5 ,0x0a637dc5a2c898a6ULL)
|
|
F(w6 ,0x113f9804bef90daeULL)
|
|
F(w7 ,0x1b710b35131c471bULL)
|
|
F(w8 ,0x28db77f523047d84ULL)
|
|
F(w9 ,0x32caab7b40c72493ULL)
|
|
F(w10,0x3c9ebe0a15c9bebcULL)
|
|
F(w11,0x431d67c49c100d4cULL)
|
|
F(w12,0x4cc5d4becb3e42b6ULL)
|
|
F(w13,0x597f299cfc657e2aULL)
|
|
F(w14,0x5fcb6fab3ad6faecULL)
|
|
F(w15,0x6c44198c4a475817ULL)
|
|
|
|
a += state[0];
|
|
b += state[1];
|
|
c += state[2];
|
|
d += state[3];
|
|
e += state[4];
|
|
f += state[5];
|
|
g += state[6];
|
|
h += state[7];
|
|
|
|
state[0] = a;
|
|
state[1] = b;
|
|
state[2] = c;
|
|
state[3] = d;
|
|
state[4] = e;
|
|
state[5] = f;
|
|
state[6] = g;
|
|
state[7] = h;
|
|
|
|
in += 128;
|
|
inlen -= 128;
|
|
}
|
|
|
|
store_bigendian(statebytes + 0,state[0]);
|
|
store_bigendian(statebytes + 8,state[1]);
|
|
store_bigendian(statebytes + 16,state[2]);
|
|
store_bigendian(statebytes + 24,state[3]);
|
|
store_bigendian(statebytes + 32,state[4]);
|
|
store_bigendian(statebytes + 40,state[5]);
|
|
store_bigendian(statebytes + 48,state[6]);
|
|
store_bigendian(statebytes + 56,state[7]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define blocks crypto_hashblocks
|
|
|
|
static const unsigned char iv[64] = {
|
|
0x6a,0x09,0xe6,0x67,0xf3,0xbc,0xc9,0x08,
|
|
0xbb,0x67,0xae,0x85,0x84,0xca,0xa7,0x3b,
|
|
0x3c,0x6e,0xf3,0x72,0xfe,0x94,0xf8,0x2b,
|
|
0xa5,0x4f,0xf5,0x3a,0x5f,0x1d,0x36,0xf1,
|
|
0x51,0x0e,0x52,0x7f,0xad,0xe6,0x82,0xd1,
|
|
0x9b,0x05,0x68,0x8c,0x2b,0x3e,0x6c,0x1f,
|
|
0x1f,0x83,0xd9,0xab,0xfb,0x41,0xbd,0x6b,
|
|
0x5b,0xe0,0xcd,0x19,0x13,0x7e,0x21,0x79
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
void SHA512::hash(void *digest,const void *data,unsigned int len)
|
|
{
|
|
unsigned char h[64];
|
|
unsigned char padded[256];
|
|
int i;
|
|
uint64_t bytes = len;
|
|
|
|
const unsigned char *in = (const unsigned char *)data;
|
|
unsigned int inlen = len;
|
|
|
|
for (i = 0;i < 64;++i) h[i] = iv[i];
|
|
|
|
blocks(h,in,inlen);
|
|
in += inlen;
|
|
inlen &= 127;
|
|
in -= inlen;
|
|
|
|
for (i = 0;i < (int)inlen;++i) padded[i] = in[i];
|
|
padded[inlen] = 0x80;
|
|
|
|
if (inlen < 112) {
|
|
for (i = inlen + 1;i < 119;++i) padded[i] = 0;
|
|
padded[119] = (unsigned char)((bytes >> 61) & 0xff);
|
|
padded[120] = (unsigned char)((bytes >> 53) & 0xff);
|
|
padded[121] = (unsigned char)((bytes >> 45) & 0xff);
|
|
padded[122] = (unsigned char)((bytes >> 37) & 0xff);
|
|
padded[123] = (unsigned char)((bytes >> 29) & 0xff);
|
|
padded[124] = (unsigned char)((bytes >> 21) & 0xff);
|
|
padded[125] = (unsigned char)((bytes >> 13) & 0xff);
|
|
padded[126] = (unsigned char)((bytes >> 5) & 0xff);
|
|
padded[127] = (unsigned char)((bytes << 3) & 0xff);
|
|
blocks(h,padded,128);
|
|
} else {
|
|
for (i = inlen + 1;i < 247;++i) padded[i] = 0;
|
|
padded[247] = (unsigned char)((bytes >> 61) & 0xff);
|
|
padded[248] = (unsigned char)((bytes >> 53) & 0xff);
|
|
padded[249] = (unsigned char)((bytes >> 45) & 0xff);
|
|
padded[250] = (unsigned char)((bytes >> 37) & 0xff);
|
|
padded[251] = (unsigned char)((bytes >> 29) & 0xff);
|
|
padded[252] = (unsigned char)((bytes >> 21) & 0xff);
|
|
padded[253] = (unsigned char)((bytes >> 13) & 0xff);
|
|
padded[254] = (unsigned char)((bytes >> 5) & 0xff);
|
|
padded[255] = (unsigned char)((bytes << 3) & 0xff);
|
|
blocks(h,padded,256);
|
|
}
|
|
|
|
for (i = 0;i < 64;++i) ((unsigned char *)digest)[i] = h[i];
|
|
}
|
|
|
|
} // namespace ZeroTier
|