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-rw-r--r--fontconfig/src/fchash.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/fontconfig/src/fchash.c b/fontconfig/src/fchash.c
deleted file mode 100644
index 1526cfd2b..000000000
--- a/fontconfig/src/fchash.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * fontconfig/src/fchash.c
- *
- * Copyright © 2003 Keith Packard
- * Copyright © 2013 Red Hat, Inc.
- * Copyright © 2014 Google, Inc.
- * Red Hat Author(s): Akira TAGOH
- * Google Author(s): Behdad Esfahbod
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the author(s) not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. The authors make no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-#include "fcint.h"
-#include <stdio.h>
-#include <string.h>
-
-/* SHA256 */
-
-
-#define ROTRN(w, v, n) ((((FcChar32)v) >> n) | (((FcChar32)v) << (w - n)))
-#define ROTR32(v, n) ROTRN(32, v, n)
-#define SHR(v, n) (v >> n)
-#define Ch(x, y, z) ((x & y) ^ (~x & z))
-#define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
-#define SS0(x) (ROTR32(x, 2) ^ ROTR32(x, 13) ^ ROTR32(x, 22))
-#define SS1(x) (ROTR32(x, 6) ^ ROTR32(x, 11) ^ ROTR32(x, 25))
-#define ss0(x) (ROTR32(x, 7) ^ ROTR32(x, 18) ^ SHR(x, 3))
-#define ss1(x) (ROTR32(x, 17) ^ ROTR32(x, 19) ^ SHR(x, 10))
-
-
-
-void
-FcHashInitDigest (FcHashDigest digest)
-{
- static const FcHashDigest init = {
- 0x6a09e667UL, 0xbb67ae85UL, 0x3c6ef372UL, 0xa54ff53aUL,
- 0x510e527fUL, 0x9b05688cUL, 0x1f83d9abUL, 0x5be0cd19UL
- };
-
- memcpy (digest, init, sizeof (FcHashDigest));
-}
-
-void
-FcHashDigestAddBlock (FcHashDigest digest,
- const char block[64])
-{
- static const FcChar32 k[] = {
- 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
- 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
- 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
- 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
- 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
- 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
- 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
- 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
- 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
- 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
- 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
- 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
- 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
- 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
- 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
- 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
- };
- FcChar32 w[64], i, j, t1, t2;
- FcChar32 a, b, c, d, e, f, g, h;
-
-#define H(n) (digest[n])
-
- a = H(0);
- b = H(1);
- c = H(2);
- d = H(3);
- e = H(4);
- f = H(5);
- g = H(6);
- h = H(7);
-
- for (i = 0; i < 16; i++)
- {
- j = (block[(i * 4) + 0] & 0xff) << (8 * 3);
- j |= (block[(i * 4) + 1] & 0xff) << (8 * 2);
- j |= (block[(i * 4) + 2] & 0xff) << (8 * 1);
- j |= (block[(i * 4) + 3] & 0xff);
- w[i] = j;
- }
- for (i = 16; i < 64; i++)
- w[i] = ss1(w[i - 2]) + w[i - 7] + ss0(w[i - 15]) + w[i - 16];
-
- for (i = 0; i < 64; i++)
- {
- t1 = h + SS1(e) + Ch(e, f, g) + k[i] + w[i];
- t2 = SS0(a) + Maj(a, b, c);
- h = g;
- g = f;
- f = e;
- e = d + t1;
- d = c;
- c = b;
- b = a;
- a = t1 + t2;
- }
-
- H(0) += a;
- H(1) += b;
- H(2) += c;
- H(3) += d;
- H(4) += e;
- H(5) += f;
- H(6) += g;
- H(7) += h;
-
-#undef H
-}
-
-void
-FcHashDigestFinish (FcHashDigest digest,
- const char *residual, /* < 64 bytes */
- size_t total_len)
-{
- char ibuf[64];
- unsigned int len = total_len % 64;
- uint64_t v;
-
- if (!len)
- return;
-
- memcpy (ibuf, residual, len);
- memset (ibuf + len, 0, 64 - len);
- ibuf[len] = 0x80;
-
- if ((64 - len) < 9)
- {
- FcHashDigestAddBlock (digest, ibuf);
- memset (ibuf, 0, 64);
- }
-
- /* set input size at the end */
- v = (uint64_t) total_len * 8;
- ibuf[63 - 0] = v & 0xff;
- ibuf[63 - 1] = (v >> 8) & 0xff;
- ibuf[63 - 2] = (v >> 16) & 0xff;
- ibuf[63 - 3] = (v >> 24) & 0xff;
- ibuf[63 - 4] = (v >> 32) & 0xff;
- ibuf[63 - 5] = (v >> 40) & 0xff;
- ibuf[63 - 6] = (v >> 48) & 0xff;
- ibuf[63 - 7] = (v >> 56) & 0xff;
- FcHashDigestAddBlock (digest, ibuf);
-}
-
-FcChar8 *
-FcHashToString (const FcHashDigest digest)
-{
- FcChar8 *ret = NULL;
- static const char hex[] = "0123456789abcdef";
- int i, j;
-
- ret = malloc (sizeof (FcChar8) * (8 * 8 + 7 + 1));
- if (!ret)
- return NULL;
- memcpy (ret, "sha256:", 7);
-#define H(n) digest[n]
- for (i = 0; i < 8; i++)
- {
- FcChar32 v = H(i);
-
- for (j = 0; j < 8; j++)
- ret[7 + (i * 8) + j] = hex[(v >> (28 - j * 4)) & 0xf];
- }
- ret[7 + i * 8] = 0;
-#undef H
-
- return ret;
-}