From 9c8997d54dc9df184bfcedeabf0b3c85cf5e6753 Mon Sep 17 00:00:00 2001 From: nbd Date: Wed, 10 Oct 2012 12:32:29 +0000 Subject: packages: sort network related packages into package/network/ git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33688 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/ead/src/sha1.c | 104 ------------------------------------------------- 1 file changed, 104 deletions(-) delete mode 100644 package/ead/src/sha1.c (limited to 'package/ead/src/sha1.c') diff --git a/package/ead/src/sha1.c b/package/ead/src/sha1.c deleted file mode 100644 index 3683a7da7..000000000 --- a/package/ead/src/sha1.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * SHA transform algorithm, originally taken from code written by - * Peter Gutmann, and placed in the public domain. - */ - -static uint32_t -rol32(uint32_t word, int shift) -{ - return (word << shift) | (word >> (32 - shift)); -} - -/* The SHA f()-functions. */ - -#define f1(x,y,z) (z ^ (x & (y ^ z))) /* x ? y : z */ -#define f2(x,y,z) (x ^ y ^ z) /* XOR */ -#define f3(x,y,z) ((x & y) + (z & (x ^ y))) /* majority */ - -/* The SHA Mysterious Constants */ - -#define K1 0x5A827999L /* Rounds 0-19: sqrt(2) * 2^30 */ -#define K2 0x6ED9EBA1L /* Rounds 20-39: sqrt(3) * 2^30 */ -#define K3 0x8F1BBCDCL /* Rounds 40-59: sqrt(5) * 2^30 */ -#define K4 0xCA62C1D6L /* Rounds 60-79: sqrt(10) * 2^30 */ - -/** - * sha_transform - single block SHA1 transform - * - * @digest: 160 bit digest to update - * @data: 512 bits of data to hash - * @W: 80 words of workspace (see note) - * - * This function generates a SHA1 digest for a single 512-bit block. - * Be warned, it does not handle padding and message digest, do not - * confuse it with the full FIPS 180-1 digest algorithm for variable - * length messages. - * - * Note: If the hash is security sensitive, the caller should be sure - * to clear the workspace. This is left to the caller to avoid - * unnecessary clears between chained hashing operations. - */ -static void sha_transform(uint32_t *digest, const unsigned char *in, uint32_t *W) -{ - uint32_t a, b, c, d, e, t, i; - - for (i = 0; i < 16; i++) { - int ofs = 4 * i; - - /* word load/store may be unaligned here, so use bytes instead */ - W[i] = - (in[ofs+0] << 24) | - (in[ofs+1] << 16) | - (in[ofs+2] << 8) | - in[ofs+3]; - } - - for (i = 0; i < 64; i++) - W[i+16] = rol32(W[i+13] ^ W[i+8] ^ W[i+2] ^ W[i], 1); - - a = digest[0]; - b = digest[1]; - c = digest[2]; - d = digest[3]; - e = digest[4]; - - for (i = 0; i < 20; i++) { - t = f1(b, c, d) + K1 + rol32(a, 5) + e + W[i]; - e = d; d = c; c = rol32(b, 30); b = a; a = t; - } - - for (; i < 40; i ++) { - t = f2(b, c, d) + K2 + rol32(a, 5) + e + W[i]; - e = d; d = c; c = rol32(b, 30); b = a; a = t; - } - - for (; i < 60; i ++) { - t = f3(b, c, d) + K3 + rol32(a, 5) + e + W[i]; - e = d; d = c; c = rol32(b, 30); b = a; a = t; - } - - for (; i < 80; i ++) { - t = f2(b, c, d) + K4 + rol32(a, 5) + e + W[i]; - e = d; d = c; c = rol32(b, 30); b = a; a = t; - } - - digest[0] += a; - digest[1] += b; - digest[2] += c; - digest[3] += d; - digest[4] += e; -} - -/** - * sha_init - initialize the vectors for a SHA1 digest - * @buf: vector to initialize - */ -static void sha_init(uint32_t *buf) -{ - buf[0] = 0x67452301; - buf[1] = 0xefcdab89; - buf[2] = 0x98badcfe; - buf[3] = 0x10325476; - buf[4] = 0xc3d2e1f0; -} - -- cgit v1.2.3