author | Waqas Hussain <waqas20@gmail.com> |
Wed, 26 Nov 2008 01:46:16 +0500 | |
changeset 416 | 7cc2d8a8ae97 |
child 417 | d60e63379284 |
permissions | -rw-r--r-- |
416
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/* |
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* xxpath.c |
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* An implementation of a subset of xpath for Lua 5.1 |
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* Waqas Hussain <waqas20@gmail.com> |
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* 05 Oct 2008 15:28:15 |
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*/ |
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#include <string.h> |
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#include "lua.h" |
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#include "lauxlib.h" |
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#include <openssl/sha.h> |
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#include <openssl/md5.h> |
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/*//typedef unsigned int uint32; |
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#define uint32 unsigned int |
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#define chrsz 8 |
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#define hexcase 0 |
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uint32 safe_add(uint32 x, uint32 y) { |
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uint32 lsw = (x & 0xFFFF) + (y & 0xFFFF); |
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uint32 msw = (x >> 16) + (y >> 16) + (lsw >> 16); |
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return (msw << 16) | (lsw & 0xFFFF); |
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} |
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uint32 S (uint32 X, uint32 n) { return ( X >> n ) | (X << (32 - n)); } |
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uint32 R (uint32 X, uint32 n) { return ( X >> n ); } |
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uint32 Ch(uint32 x, uint32 y, uint32 z) { return ((x & y) ^ ((~x) & z)); } |
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uint32 Maj(uint32 x, uint32 y, uint32 z) { return ((x & y) ^ (x & z) ^ (y & z)); } |
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uint32 Sigma0256(uint32 x) { return (S(x, 2) ^ S(x, 13) ^ S(x, 22)); } |
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uint32 Sigma1256(uint32 x) { return (S(x, 6) ^ S(x, 11) ^ S(x, 25)); } |
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uint32 Gamma0256(uint32 x) { return (S(x, 7) ^ S(x, 18) ^ R(x, 3)); } |
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uint32 Gamma1256(uint32 x) { return (S(x, 17) ^ S(x, 19) ^ R(x, 10)); } |
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static const uint32 K[64] = {0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0xFC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x6CA6351, 0x14292967, 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2}; |
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void core_sha256 (char* m, uint32 l, uint32 m_length, uint32 out[8]) { |
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uint32 HASH[8] = {0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19}; |
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uint32 W[64]; |
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uint32 a, b, c, d, e, f, g, h, i, j; |
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uint32 T1, T2; |
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//uint32 i, j; |
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printf("core_sha256: start\n"); |
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m[l >> 5] |= 0x80 << (24 - l % 32); |
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m[((l + 64 >> 9) << 4) + 15] = l; |
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printf("core_sha256: 1\n"); |
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for ( i = 0; i<m_length; i+=16 ) { |
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a = HASH[0]; |
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b = HASH[1]; |
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c = HASH[2]; |
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d = HASH[3]; |
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e = HASH[4]; |
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f = HASH[5]; |
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g = HASH[6]; |
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h = HASH[7]; |
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|
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for ( j = 0; j<64; j++) { |
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if (j < 16) W[j] = m[j + i]; |
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else W[j] = safe_add(safe_add(safe_add(Gamma1256(W[j - 2]), W[j - 7]), Gamma0256(W[j - 15])), W[j - 16]); |
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|
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T1 = safe_add(safe_add(safe_add(safe_add(h, Sigma1256(e)), Ch(e, f, g)), K[j]), W[j]); |
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T2 = safe_add(Sigma0256(a), Maj(a, b, c)); |
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h = g; |
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g = f; |
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f = e; |
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e = safe_add(d, T1); |
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d = c; |
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c = b; |
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b = a; |
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a = safe_add(T1, T2); |
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} |
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HASH[0] = safe_add(a, HASH[0]); |
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HASH[1] = safe_add(b, HASH[1]); |
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HASH[2] = safe_add(c, HASH[2]); |
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HASH[3] = safe_add(d, HASH[3]); |
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HASH[4] = safe_add(e, HASH[4]); |
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HASH[5] = safe_add(f, HASH[5]); |
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HASH[6] = safe_add(g, HASH[6]); |
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HASH[7] = safe_add(h, HASH[7]); |
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} |
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printf("core_sha256: 2\n"); |
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out[0] = HASH[0]; |
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changeset
|
90 |
out[1] = HASH[1]; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
91 |
out[2] = HASH[2]; |
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|
92 |
out[3] = HASH[3]; |
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|
93 |
out[4] = HASH[4]; |
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|
94 |
out[5] = HASH[5]; |
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|
95 |
out[6] = HASH[6]; |
7cc2d8a8ae97
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|
96 |
out[7] = HASH[7]; |
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|
97 |
|
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|
98 |
printf("core_sha256: end\n"); |
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|
99 |
} |
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|
100 |
|
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|
101 |
void binb2hex (const uint32 binarray[8], char str[65]) { |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
102 |
const char* hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; |
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|
103 |
uint32 pos = 0; |
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|
104 |
int i; |
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|
105 |
printf("binb2hex: start\n"); |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
106 |
//var str = ""; |
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|
107 |
for(i = 0; i < 8 * 4; i++) { |
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|
108 |
str[pos++] = hex_tab[(binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF]; |
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|
109 |
str[pos++] = hex_tab[(binarray[i>>2] >> ((3 - i%4)*8 )) & 0xF]; |
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|
110 |
} |
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|
111 |
//return str; |
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|
112 |
str[64] = 0; |
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|
113 |
printf("binb2hex: end\n"); |
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|
114 |
} |
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|
115 |
|
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|
116 |
static void sha256(const char* s, uint32 s_length, char output[65]) { |
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|
117 |
uint32 hash[8]; |
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|
118 |
char* copy; |
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|
119 |
|
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|
120 |
printf("sha256: start\n"); |
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|
121 |
|
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|
122 |
copy = (char*) malloc(s_length + 1); |
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|
123 |
strcpy(copy, s); |
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|
124 |
core_sha256(copy, s_length * chrsz, s_length, hash); |
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|
125 |
free(copy); |
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|
126 |
|
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|
127 |
binb2hex(hash, output); |
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128 |
|
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|
129 |
printf("sha256: end\n"); |
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|
130 |
|
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|
131 |
|
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|
132 |
|
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|
133 |
//s = Utf8Encode(s); |
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|
134 |
//return binb2hex(core_sha256(str2binb(s), s.length * chrsz)); |
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|
135 |
|
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|
136 |
} |
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|
137 |
*/ |
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|
138 |
|
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|
139 |
//static int Lsha256(lua_State *L) /** sha256(s) */ |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
140 |
/*{ |
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|
141 |
size_t l; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
142 |
const char *s = luaL_checklstring(L, 1, &l); |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
143 |
int len = strlen(s); |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
144 |
char hash[32]; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
145 |
char result[65]; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
146 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
147 |
//sha256(s, len, hash); |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
148 |
SHA256(s, len, hash); |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
149 |
toHex(hash, 32, result); |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
150 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
151 |
//printf("input: %s, length: %d, outlen: %d\n", s, len, strlen(result)); |
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|
152 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
153 |
lua_pushstring(L, result); |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
154 |
return 1; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
155 |
}*/ |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
156 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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changeset
|
157 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
158 |
const char* hex_tab = "0123456789abcdef"; |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
159 |
void toHex(const char* in, int length, char* out) { |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
160 |
int i; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
161 |
for (i = 0; i < length; i++) { |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
162 |
out[i*2] = hex_tab[(in[i] >> 4) & 0xF]; |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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changeset
|
163 |
out[i*2+1] = hex_tab[(in[i]) & 0xF]; |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
164 |
} |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
165 |
//out[i*2] = 0; |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
166 |
} |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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changeset
|
167 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
168 |
#define MAKE_HASH_FUNCTION(myFunc, func, size) \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
169 |
static int myFunc(lua_State *L) { \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
170 |
size_t len; \ |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
171 |
const char *s = luaL_checklstring(L, 1, &len); \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
172 |
int hex_out = lua_toboolean(L, 2); \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
173 |
char hash[size]; \ |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
174 |
char result[size*2]; \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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parents:
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|
175 |
func(s, len, hash); \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
176 |
if (hex_out) { \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
177 |
toHex(hash, size, result); \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
178 |
lua_pushlstring(L, result, size*2); \ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
179 |
} else { \ |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
180 |
lua_pushlstring(L, hash, size);\ |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
181 |
} \ |
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|
182 |
return 1; \ |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
183 |
} |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
184 |
|
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
185 |
MAKE_HASH_FUNCTION(Lsha1, SHA1, 20) |
7cc2d8a8ae97
Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
186 |
MAKE_HASH_FUNCTION(Lsha256, SHA256, 32) |
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Added util-src/hashes.c - support for sha1, sha256 and md5 hashes
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|
187 |
MAKE_HASH_FUNCTION(Lmd5, MD5, 16) |
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|
188 |
|
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|
189 |
static const luaL_Reg Reg[] = |
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190 |
{ |
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191 |
{ "sha1", Lsha1 }, |
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{ "sha256", Lsha256 }, |
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{ "md5", Lmd5 }, |
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{ NULL, NULL } |
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}; |
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196 |
|
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LUALIB_API int luaopen_hashes(lua_State *L) |
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198 |
{ |
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luaL_register(L, "hashes", Reg); |
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lua_pushliteral(L, "version"); /** version */ |
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lua_pushliteral(L, "-3.14"); |
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202 |
lua_settable(L,-3); |
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203 |
return 1; |
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204 |
} |