return ret;
}
-#include "sha1.h"
-
static void
gst_cddabasesrc_calculate_musicbrainz_discid (GstCddaBaseSrc * src)
{
GString *s;
- SHA_INFO sha;
+ GChecksum *sha;
guchar digest[20];
gchar *ptr;
gchar tmp[9];
gulong i;
guint leadout_sector;
+ gsize digest_len;
s = g_string_new (NULL);
leadout_sector = src->tracks[src->num_tracks - 1].end + 1 + CD_MSF_OFFSET;
/* generate SHA digest */
- sha_init (&sha);
+ sha = g_checksum_new (G_CHECKSUM_SHA1);
g_snprintf (tmp, sizeof (tmp), "%02X", src->tracks[0].num);
g_string_append_printf (s, "%02X", src->tracks[0].num);
- sha_update (&sha, (SHA_BYTE *) tmp, 2);
+ g_checksum_update (sha, (guchar *) tmp, 2);
g_snprintf (tmp, sizeof (tmp), "%02X", src->tracks[src->num_tracks - 1].num);
g_string_append_printf (s, " %02X", src->tracks[src->num_tracks - 1].num);
- sha_update (&sha, (SHA_BYTE *) tmp, 2);
+ g_checksum_update (sha, (guchar *) tmp, 2);
g_snprintf (tmp, sizeof (tmp), "%08X", leadout_sector);
g_string_append_printf (s, " %08X", leadout_sector);
- sha_update (&sha, (SHA_BYTE *) tmp, 8);
+ g_checksum_update (sha, (guchar *) tmp, 8);
for (i = 0; i < 99; i++) {
if (i < src->num_tracks) {
g_snprintf (tmp, sizeof (tmp), "%08X", frame_offset);
g_string_append_printf (s, " %08X", frame_offset);
- sha_update (&sha, (SHA_BYTE *) tmp, 8);
+ g_checksum_update (sha, (guchar *) tmp, 8);
} else {
- sha_update (&sha, (SHA_BYTE *) "00000000", 8);
+ g_checksum_update (sha, (guchar *) "00000000", 8);
}
}
- sha_final (digest, &sha);
+ digest_len = 20;
+ g_checksum_get_digest (sha, (guint8 *) & digest, &digest_len);
/* re-encode to base64 */
- ptr = g_base64_encode (digest, 20);
+ ptr = g_base64_encode (digest, digest_len);
+ g_checksum_free (sha);
i = strlen (ptr);
g_assert (i < sizeof (src->mb_discid) + 1);
+++ /dev/null
-/* (PD) 2001 The Bitzi Corporation
- * Please see file COPYING or http://bitzi.com/publicdomain
- * for more info.
- *
- * NIST Secure Hash Algorithm
- * heavily modified by Uwe Hollerbach <uh@alumni.caltech edu>
- * from Peter C. Gutmann's implementation as found in
- * Applied Cryptography by Bruce Schneier
- * Further modifications to include the "UNRAVEL" stuff, below
- *
- * This code is in the public domain
- *
- * $Id$
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include <glib.h>
-#define SHA_BYTE_ORDER G_BYTE_ORDER
-
-#include <string.h>
-#include "sha1.h"
-
-/* UNRAVEL should be fastest & biggest */
-/* UNROLL_LOOPS should be just as big, but slightly slower */
-/* both undefined should be smallest and slowest */
-
-#define UNRAVEL
-/* #define UNROLL_LOOPS */
-
-/* SHA f()-functions */
-
-#define f1(x,y,z) ((x & y) | (~x & z))
-#define f2(x,y,z) (x ^ y ^ z)
-#define f3(x,y,z) ((x & y) | (x & z) | (y & z))
-#define f4(x,y,z) (x ^ y ^ z)
-
-/* SHA constants */
-
-#define CONST1 0x5a827999L
-#define CONST2 0x6ed9eba1L
-#define CONST3 0x8f1bbcdcL
-#define CONST4 0xca62c1d6L
-
-/* truncate to 32 bits -- should be a null op on 32-bit machines */
-
-#define T32(x) ((x) & 0xffffffffL)
-
-/* 32-bit rotate */
-
-#define R32(x,n) T32(((x << n) | (x >> (32 - n))))
-
-/* the generic case, for when the overall rotation is not unraveled */
-
-#define FG(n) \
- T = T32(R32(A,5) + f##n(B,C,D) + E + *WP++ + CONST##n); \
- E = D; D = C; C = R32(B,30); B = A; A = T
-
-/* specific cases, for when the overall rotation is unraveled */
-
-#define FA(n) \
- T = T32(R32(A,5) + f##n(B,C,D) + E + *WP++ + CONST##n); B = R32(B,30)
-
-#define FB(n) \
- E = T32(R32(T,5) + f##n(A,B,C) + D + *WP++ + CONST##n); A = R32(A,30)
-
-#define FC(n) \
- D = T32(R32(E,5) + f##n(T,A,B) + C + *WP++ + CONST##n); T = R32(T,30)
-
-#define FD(n) \
- C = T32(R32(D,5) + f##n(E,T,A) + B + *WP++ + CONST##n); E = R32(E,30)
-
-#define FE(n) \
- B = T32(R32(C,5) + f##n(D,E,T) + A + *WP++ + CONST##n); D = R32(D,30)
-
-#define FT(n) \
- A = T32(R32(B,5) + f##n(C,D,E) + T + *WP++ + CONST##n); C = R32(C,30)
-
-/* do SHA transformation */
-
-static void
-sha_transform (SHA_INFO * sha_info)
-{
- int i;
- SHA_BYTE *dp;
- SHA_LONG T, A, B, C, D, E, W[80], *WP;
-
- dp = sha_info->data;
-
-/*
-the following makes sure that at least one code block below is
-traversed or an error is reported, without the necessity for nested
-preprocessor if/else/endif blocks, which are a great pain in the
-nether regions of the anatomy...
-*/
-#undef SWAP_DONE
-
-#if (SHA_BYTE_ORDER == 1234)
-#define SWAP_DONE
- for (i = 0; i < 16; ++i) {
- memcpy (&T, dp, sizeof (SHA_LONG));
- dp += 4;
- W[i] = ((T << 24) & 0xff000000) | ((T << 8) & 0x00ff0000) |
- ((T >> 8) & 0x0000ff00) | ((T >> 24) & 0x000000ff);
- }
-#endif /* SHA_BYTE_ORDER == 1234 */
-
-#if (SHA_BYTE_ORDER == 4321)
-#define SWAP_DONE
- for (i = 0; i < 16; ++i) {
- memcpy (&T, dp, sizeof (SHA_LONG));
- dp += 4;
- W[i] = T32 (T);
- }
-#endif /* SHA_BYTE_ORDER == 4321 */
-
-#if (SHA_BYTE_ORDER == 12345678)
-#define SWAP_DONE
- for (i = 0; i < 16; i += 2) {
- memcpy (&T, dp, sizeof (SHA_LONG));
- dp += 8;
- W[i] = ((T << 24) & 0xff000000) | ((T << 8) & 0x00ff0000) |
- ((T >> 8) & 0x0000ff00) | ((T >> 24) & 0x000000ff);
- T >>= 32;
- W[i + 1] = ((T << 24) & 0xff000000) | ((T << 8) & 0x00ff0000) |
- ((T >> 8) & 0x0000ff00) | ((T >> 24) & 0x000000ff);
- }
-#endif /* SHA_BYTE_ORDER == 12345678 */
-
-#if (SHA_BYTE_ORDER == 87654321)
-#define SWAP_DONE
- for (i = 0; i < 16; i += 2) {
- memcpy (&T, dp, sizeof (SHA_LONG));
- dp += 8;
- W[i] = T32 (T >> 32);
- W[i + 1] = T32 (T);
- }
-#endif /* SHA_BYTE_ORDER == 87654321 */
-
-#ifndef SWAP_DONE
-#error Unknown byte order -- you need to add code here
-#endif /* SWAP_DONE */
-
- for (i = 16; i < 80; ++i) {
- W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
-#if (SHA_VERSION == 1)
- W[i] = R32 (W[i], 1);
-#endif /* SHA_VERSION */
- }
- A = sha_info->digest[0];
- B = sha_info->digest[1];
- C = sha_info->digest[2];
- D = sha_info->digest[3];
- E = sha_info->digest[4];
- WP = W;
-#ifdef UNRAVEL
- FA (1);
- FB (1);
- FC (1);
- FD (1);
- FE (1);
- FT (1);
- FA (1);
- FB (1);
- FC (1);
- FD (1);
- FE (1);
- FT (1);
- FA (1);
- FB (1);
- FC (1);
- FD (1);
- FE (1);
- FT (1);
- FA (1);
- FB (1);
- FC (2);
- FD (2);
- FE (2);
- FT (2);
- FA (2);
- FB (2);
- FC (2);
- FD (2);
- FE (2);
- FT (2);
- FA (2);
- FB (2);
- FC (2);
- FD (2);
- FE (2);
- FT (2);
- FA (2);
- FB (2);
- FC (2);
- FD (2);
- FE (3);
- FT (3);
- FA (3);
- FB (3);
- FC (3);
- FD (3);
- FE (3);
- FT (3);
- FA (3);
- FB (3);
- FC (3);
- FD (3);
- FE (3);
- FT (3);
- FA (3);
- FB (3);
- FC (3);
- FD (3);
- FE (3);
- FT (3);
- FA (4);
- FB (4);
- FC (4);
- FD (4);
- FE (4);
- FT (4);
- FA (4);
- FB (4);
- FC (4);
- FD (4);
- FE (4);
- FT (4);
- FA (4);
- FB (4);
- FC (4);
- FD (4);
- FE (4);
- FT (4);
- FA (4);
- FB (4);
- sha_info->digest[0] = T32 (sha_info->digest[0] + E);
- sha_info->digest[1] = T32 (sha_info->digest[1] + T);
- sha_info->digest[2] = T32 (sha_info->digest[2] + A);
- sha_info->digest[3] = T32 (sha_info->digest[3] + B);
- sha_info->digest[4] = T32 (sha_info->digest[4] + C);
-#else /* !UNRAVEL */
-#ifdef UNROLL_LOOPS
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (1);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (2);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (3);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
- FG (4);
-#else /* !UNROLL_LOOPS */
- for (i = 0; i < 20; ++i) {
- FG (1);
- }
- for (i = 20; i < 40; ++i) {
- FG (2);
- }
- for (i = 40; i < 60; ++i) {
- FG (3);
- }
- for (i = 60; i < 80; ++i) {
- FG (4);
- }
-#endif /* !UNROLL_LOOPS */
- sha_info->digest[0] = T32 (sha_info->digest[0] + A);
- sha_info->digest[1] = T32 (sha_info->digest[1] + B);
- sha_info->digest[2] = T32 (sha_info->digest[2] + C);
- sha_info->digest[3] = T32 (sha_info->digest[3] + D);
- sha_info->digest[4] = T32 (sha_info->digest[4] + E);
-#endif /* !UNRAVEL */
-}
-
-/* initialize the SHA digest */
-
-void
-sha_init (SHA_INFO * sha_info)
-{
- sha_info->digest[0] = 0x67452301L;
- sha_info->digest[1] = 0xefcdab89L;
- sha_info->digest[2] = 0x98badcfeL;
- sha_info->digest[3] = 0x10325476L;
- sha_info->digest[4] = 0xc3d2e1f0L;
- sha_info->count_lo = 0L;
- sha_info->count_hi = 0L;
- sha_info->local = 0;
-}
-
-/* update the SHA digest */
-
-void
-sha_update (SHA_INFO * sha_info, SHA_BYTE * buffer, int count)
-{
- int i;
- SHA_LONG clo;
-
- clo = T32 (sha_info->count_lo + ((SHA_LONG) count << 3));
- if (clo < sha_info->count_lo) {
- ++sha_info->count_hi;
- }
- sha_info->count_lo = clo;
- sha_info->count_hi += (SHA_LONG) count >> 29;
- if (sha_info->local) {
- i = SHA_BLOCKSIZE - sha_info->local;
- if (i > count) {
- i = count;
- }
- memcpy (((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i);
- count -= i;
- buffer += i;
- sha_info->local += i;
- if (sha_info->local == SHA_BLOCKSIZE) {
- sha_transform (sha_info);
- } else {
- return;
- }
- }
- while (count >= SHA_BLOCKSIZE) {
- memcpy (sha_info->data, buffer, SHA_BLOCKSIZE);
- buffer += SHA_BLOCKSIZE;
- count -= SHA_BLOCKSIZE;
- sha_transform (sha_info);
- }
- memcpy (sha_info->data, buffer, count);
- sha_info->local = count;
-}
-
-/* finish computing the SHA digest */
-
-void
-sha_final (unsigned char digest[20], SHA_INFO * sha_info)
-{
- int count;
- SHA_LONG lo_bit_count, hi_bit_count;
-
- lo_bit_count = sha_info->count_lo;
- hi_bit_count = sha_info->count_hi;
- count = (int) ((lo_bit_count >> 3) & 0x3f);
- ((SHA_BYTE *) sha_info->data)[count++] = 0x80;
- if (count > SHA_BLOCKSIZE - 8) {
- memset (((SHA_BYTE *) sha_info->data) + count, 0, SHA_BLOCKSIZE - count);
- sha_transform (sha_info);
- memset ((SHA_BYTE *) sha_info->data, 0, SHA_BLOCKSIZE - 8);
- } else {
- memset (((SHA_BYTE *) sha_info->data) + count, 0,
- SHA_BLOCKSIZE - 8 - count);
- }
- sha_info->data[56] = (unsigned char) ((hi_bit_count >> 24) & 0xff);
- sha_info->data[57] = (unsigned char) ((hi_bit_count >> 16) & 0xff);
- sha_info->data[58] = (unsigned char) ((hi_bit_count >> 8) & 0xff);
- sha_info->data[59] = (unsigned char) ((hi_bit_count >> 0) & 0xff);
- sha_info->data[60] = (unsigned char) ((lo_bit_count >> 24) & 0xff);
- sha_info->data[61] = (unsigned char) ((lo_bit_count >> 16) & 0xff);
- sha_info->data[62] = (unsigned char) ((lo_bit_count >> 8) & 0xff);
- sha_info->data[63] = (unsigned char) ((lo_bit_count >> 0) & 0xff);
- sha_transform (sha_info);
- digest[0] = (unsigned char) ((sha_info->digest[0] >> 24) & 0xff);
- digest[1] = (unsigned char) ((sha_info->digest[0] >> 16) & 0xff);
- digest[2] = (unsigned char) ((sha_info->digest[0] >> 8) & 0xff);
- digest[3] = (unsigned char) ((sha_info->digest[0]) & 0xff);
- digest[4] = (unsigned char) ((sha_info->digest[1] >> 24) & 0xff);
- digest[5] = (unsigned char) ((sha_info->digest[1] >> 16) & 0xff);
- digest[6] = (unsigned char) ((sha_info->digest[1] >> 8) & 0xff);
- digest[7] = (unsigned char) ((sha_info->digest[1]) & 0xff);
- digest[8] = (unsigned char) ((sha_info->digest[2] >> 24) & 0xff);
- digest[9] = (unsigned char) ((sha_info->digest[2] >> 16) & 0xff);
- digest[10] = (unsigned char) ((sha_info->digest[2] >> 8) & 0xff);
- digest[11] = (unsigned char) ((sha_info->digest[2]) & 0xff);
- digest[12] = (unsigned char) ((sha_info->digest[3] >> 24) & 0xff);
- digest[13] = (unsigned char) ((sha_info->digest[3] >> 16) & 0xff);
- digest[14] = (unsigned char) ((sha_info->digest[3] >> 8) & 0xff);
- digest[15] = (unsigned char) ((sha_info->digest[3]) & 0xff);
- digest[16] = (unsigned char) ((sha_info->digest[4] >> 24) & 0xff);
- digest[17] = (unsigned char) ((sha_info->digest[4] >> 16) & 0xff);
- digest[18] = (unsigned char) ((sha_info->digest[4] >> 8) & 0xff);
- digest[19] = (unsigned char) ((sha_info->digest[4]) & 0xff);
-}