31 # define SHA_BIG_ENDIAN
32 #elif defined __LITTLE_ENDIAN__
34 #elif defined __BYTE_ORDER
35 # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
36 # define SHA_BIG_ENDIAN
38 #else // ! defined __LITTLE_ENDIAN__
40 # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
41 # define SHA_BIG_ENDIAN
48 #define HASH_LENGTH 20
49 #define BLOCK_LENGTH 64
51 typedef struct sha1nfo {
64 void sha1_init(sha1nfo *s);
67 void sha1_writebyte(sha1nfo *s, uint8_t data);
70 void sha1_write(sha1nfo *s,
const char *data,
size_t len);
73 uint8_t* sha1_result(sha1nfo *s);
77 #define SHA1_K0 0x5a827999
78 #define SHA1_K20 0x6ed9eba1
79 #define SHA1_K40 0x8f1bbcdc
80 #define SHA1_K60 0xca62c1d6
82 void sha1_init(sha1nfo *s) {
83 s->state[0] = 0x67452301;
84 s->state[1] = 0xefcdab89;
85 s->state[2] = 0x98badcfe;
86 s->state[3] = 0x10325476;
87 s->state[4] = 0xc3d2e1f0;
92 uint32_t sha1_rol32(uint32_t number, uint8_t bits) {
93 return ((number << bits) | (number >> (32-bits)));
96 void sha1_hashBlock(sha1nfo *s) {
105 for (i=0; i<80; i++) {
107 t = s->buffer[(i+13)&15] ^ s->buffer[(i+8)&15] ^ s->buffer[(i+2)&15] ^ s->buffer[i&15];
108 s->buffer[i&15] = sha1_rol32(t,1);
111 t = (d ^ (b & (c ^ d))) +
SHA1_K0;
115 t = ((b & c) | (d & (b | c))) +
SHA1_K40;
119 t+=sha1_rol32(a,5) + e + s->buffer[i&15];
133 void sha1_addUncounted(sha1nfo *s, uint8_t data) {
134 uint8_t *
const b = (uint8_t*) s->buffer;
136 b[s->bufferOffset] = data;
138 b[s->bufferOffset ^ 3] = data;
147 void sha1_writebyte(sha1nfo *s, uint8_t data) {
149 sha1_addUncounted(s, data);
152 void sha1_write(sha1nfo *s,
const char *data,
size_t len) {
153 for (;len--;) sha1_writebyte(s, (uint8_t) *data++);
156 void sha1_pad(sha1nfo *s) {
160 sha1_addUncounted(s, 0x80);
161 while (s->bufferOffset != 56) sha1_addUncounted(s, 0x00);
164 sha1_addUncounted(s, 0);
165 sha1_addUncounted(s, 0);
166 sha1_addUncounted(s, 0);
167 sha1_addUncounted(s, s->byteCount >> 29);
168 sha1_addUncounted(s, s->byteCount >> 21);
169 sha1_addUncounted(s, s->byteCount >> 13);
170 sha1_addUncounted(s, s->byteCount >> 5);
171 sha1_addUncounted(s, s->byteCount << 3);
174 uint8_t* sha1_result(sha1nfo *s) {
178 #ifndef SHA_BIG_ENDIAN
181 for (i=0; i<5; i++) {
183 (((s->state[i])<<24)& 0xff000000)
184 | (((s->state[i])<<8) & 0x00ff0000)
185 | (((s->state[i])>>8) & 0x0000ff00)
186 | (((s->state[i])>>24)& 0x000000ff);
191 return (uint8_t*) s->state;
200 sha1_write(&s, (
const char*)Data, Len);
void ComputeSHA1(const uint8_t *Data, size_t Len, uint8_t *Out)
* if(!EatIfPresent(lltok::kw_thread_local)) return false
ParseOptionalThreadLocal := /*empty.