+++ /dev/null
-/*
- * Modified from Polarssl here
- * http://polarssl.org/show_source?file=md5
- * under GPL2 or later
- */
-
-
-#include <string.h>
-#include <stdio.h>
-
-
-#define GET_ULONG_LE(n, b, i) \
-{ \
- (n) = ((unsigned long)(b)[i]) \
- | ((unsigned long)(b)[(i) + 1] << 8) \
- | ((unsigned long)(b)[(i) + 2] << 16) \
- | ((unsigned long)(b)[(i) + 3] << 24); \
-}
-
-#define PUT_ULONG_LE(n, b, i) \
-{ \
- (b)[i] = (unsigned char)(n); \
- (b)[(i) + 1] = (unsigned char)((n) >> 8); \
- (b)[(i) + 2] = (unsigned char)((n) >> 16); \
- (b)[(i) + 3] = (unsigned char)((n) >> 24); \
-}
-
-static const unsigned char md5_padding[64] = {
- 0x80, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
-};
-
-static const unsigned long state_init[] = {
- 0, 0, 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476
-};
-
-static void
-md5_process(unsigned long *state, const unsigned char *data)
-{
- unsigned long X[16], A, B, C, D;
- int v;
-
- for (v = 0; v < 16; v++)
- GET_ULONG_LE(X[v], data, v << 2);
-
-#define S(x, n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
-
-#define P(a, b, c, d, k, s, t) { a += F(b, c, d) + X[k] + t; a = S(a, s) + b; }
-
- A = state[0];
- B = state[1];
- C = state[2];
- D = state[3];
-
-#define F(x, y, z) (z ^ (x & (y ^ z)))
-
- P(A, B, C, D, 0, 7, 0xD76AA478);
- P(D, A, B, C, 1, 12, 0xE8C7B756);
- P(C, D, A, B, 2, 17, 0x242070DB);
- P(B, C, D, A, 3, 22, 0xC1BDCEEE);
- P(A, B, C, D, 4, 7, 0xF57C0FAF);
- P(D, A, B, C, 5, 12, 0x4787C62A);
- P(C, D, A, B, 6, 17, 0xA8304613);
- P(B, C, D, A, 7, 22, 0xFD469501);
- P(A, B, C, D, 8, 7, 0x698098D8);
- P(D, A, B, C, 9, 12, 0x8B44F7AF);
- P(C, D, A, B, 10, 17, 0xFFFF5BB1);
- P(B, C, D, A, 11, 22, 0x895CD7BE);
- P(A, B, C, D, 12, 7, 0x6B901122);
- P(D, A, B, C, 13, 12, 0xFD987193);
- P(C, D, A, B, 14, 17, 0xA679438E);
- P(B, C, D, A, 15, 22, 0x49B40821);
-
-#undef F
-
-#define F(x, y, z) (y ^ (z & (x ^ y)))
-
- P(A, B, C, D, 1, 5, 0xF61E2562);
- P(D, A, B, C, 6, 9, 0xC040B340);
- P(C, D, A, B, 11, 14, 0x265E5A51);
- P(B, C, D, A, 0, 20, 0xE9B6C7AA);
- P(A, B, C, D, 5, 5, 0xD62F105D);
- P(D, A, B, C, 10, 9, 0x02441453);
- P(C, D, A, B, 15, 14, 0xD8A1E681);
- P(B, C, D, A, 4, 20, 0xE7D3FBC8);
- P(A, B, C, D, 9, 5, 0x21E1CDE6);
- P(D, A, B, C, 14, 9, 0xC33707D6);
- P(C, D, A, B, 3, 14, 0xF4D50D87);
- P(B, C, D, A, 8, 20, 0x455A14ED);
- P(A, B, C, D, 13, 5, 0xA9E3E905);
- P(D, A, B, C, 2, 9, 0xFCEFA3F8);
- P(C, D, A, B, 7, 14, 0x676F02D9);
- P(B, C, D, A, 12, 20, 0x8D2A4C8A);
-
-#undef F
-
-#define F(x, y, z) (x ^ y ^ z)
-
- P(A, B, C, D, 5, 4, 0xFFFA3942);
- P(D, A, B, C, 8, 11, 0x8771F681);
- P(C, D, A, B, 11, 16, 0x6D9D6122);
- P(B, C, D, A, 14, 23, 0xFDE5380C);
- P(A, B, C, D, 1, 4, 0xA4BEEA44);
- P(D, A, B, C, 4, 11, 0x4BDECFA9);
- P(C, D, A, B, 7, 16, 0xF6BB4B60);
- P(B, C, D, A, 10, 23, 0xBEBFBC70);
- P(A, B, C, D, 13, 4, 0x289B7EC6);
- P(D, A, B, C, 0, 11, 0xEAA127FA);
- P(C, D, A, B, 3, 16, 0xD4EF3085);
- P(B, C, D, A, 6, 23, 0x04881D05);
- P(A, B, C, D, 9, 4, 0xD9D4D039);
- P(D, A, B, C, 12, 11, 0xE6DB99E5);
- P(C, D, A, B, 15, 16, 0x1FA27CF8);
- P(B, C, D, A, 2, 23, 0xC4AC5665);
-
-#undef F
-
-#define F(x, y, z) (y ^ (x | ~z))
-
- P(A, B, C, D, 0, 6, 0xF4292244);
- P(D, A, B, C, 7, 10, 0x432AFF97);
- P(C, D, A, B, 14, 15, 0xAB9423A7);
- P(B, C, D, A, 5, 21, 0xFC93A039);
- P(A, B, C, D, 12, 6, 0x655B59C3);
- P(D, A, B, C, 3, 10, 0x8F0CCC92);
- P(C, D, A, B, 10, 15, 0xFFEFF47D);
- P(B, C, D, A, 1, 21, 0x85845DD1);
- P(A, B, C, D, 8, 6, 0x6FA87E4F);
- P(D, A, B, C, 15, 10, 0xFE2CE6E0);
- P(C, D, A, B, 6, 15, 0xA3014314);
- P(B, C, D, A, 13, 21, 0x4E0811A1);
- P(A, B, C, D, 4, 6, 0xF7537E82);
- P(D, A, B, C, 11, 10, 0xBD3AF235);
- P(C, D, A, B, 2, 15, 0x2AD7D2BB);
- P(B, C, D, A, 9, 21, 0xEB86D391);
-
-#undef F
-
- state[0] += A;
- state[1] += B;
- state[2] += C;
- state[3] += D;
-}
-
-static
-void md5_update(unsigned long *state, unsigned char *buffer,
- const unsigned char *input, int ilen)
-{
- int fill;
- unsigned long left;
-
- if (ilen <= 0)
- return;
-
- left = state[0] & 0x3F;
- fill = 64 - left;
-
- state[0] += ilen;
- state[0] &= 0xFFFFFFFF;
-
- if (state[0] < (unsigned long)ilen)
- state[1]++;
-
- if (left && ilen >= fill) {
- memcpy(buffer + left, input, fill);
- md5_process(&state[2], buffer);
- input += fill;
- ilen -= fill;
- left = 0;
- }
-
- while (ilen >= 64) {
- md5_process(&state[2], input);
- input += 64;
- ilen -= 64;
- }
-
- if (ilen > 0)
- memcpy(buffer + left, input, ilen);
-}
-
-void
-libwebsockets_md5(const unsigned char *input, int ilen, unsigned char *output)
-{
- unsigned long last, padn;
- unsigned long high, low;
- unsigned char msglen[8];
- unsigned long state[6];
- unsigned char buffer[64];
-
- memcpy(&state[0], &state_init[0], sizeof(state_init));
-
- md5_update(state, buffer, input, ilen);
-
- high = (state[0] >> 29) | (state[1] << 3);
- low = state[0] << 3;
-
- PUT_ULONG_LE(low, msglen, 0);
- PUT_ULONG_LE(high, msglen, 4);
-
- last = state[0] & 0x3F;
- padn = (last < 56) ? (56 - last) : (120 - last);
-
- md5_update(state, buffer, md5_padding, padn);
- md5_update(state, buffer, msglen, 8);
-
- PUT_ULONG_LE(state[2], output, 0);
- PUT_ULONG_LE(state[3], output, 4);
- PUT_ULONG_LE(state[4], output, 8);
- PUT_ULONG_LE(state[5], output, 12);
-}
-
-