|
@@ -0,0 +1,430 @@
|
|
|
+/*
|
|
|
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
|
|
|
+ * based on:
|
|
|
+ * FIPS-180-1 compliant SHA-1 implementation
|
|
|
+ *
|
|
|
+ * Copyright (C) 2003-2006 Christophe Devine
|
|
|
+ *
|
|
|
+ * This library is free software; you can redistribute it and/or
|
|
|
+ * modify it under the terms of the GNU Lesser General Public
|
|
|
+ * License, version 2.1 as published by the Free Software Foundation.
|
|
|
+ *
|
|
|
+ * This library is distributed in the hope that it will be useful,
|
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
+ * Lesser General Public License for more details.
|
|
|
+ *
|
|
|
+ * You should have received a copy of the GNU Lesser General Public
|
|
|
+ * License along with this library; if not, write to the Free Software
|
|
|
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
|
+ * MA 02110-1301 USA
|
|
|
+ */
|
|
|
+/*
|
|
|
+ * The SHA-1 standard was published by NIST in 1993.
|
|
|
+ *
|
|
|
+ * http://www.itl.nist.gov/fipspubs/fip180-1.htm
|
|
|
+ */
|
|
|
+
|
|
|
+#ifndef _CRT_SECURE_NO_DEPRECATE
|
|
|
+#define _CRT_SECURE_NO_DEPRECATE 1
|
|
|
+#endif
|
|
|
+
|
|
|
+#include <linux/string.h>
|
|
|
+#include "sha1.h"
|
|
|
+
|
|
|
+/*
|
|
|
+ * 32-bit integer manipulation macros (big endian)
|
|
|
+ */
|
|
|
+#ifndef GET_UINT32_BE
|
|
|
+#define GET_UINT32_BE(n,b,i) \
|
|
|
+{ \
|
|
|
+ (n) = ( (unsigned long) (b)[(i) ] << 24 ) \
|
|
|
+ | ( (unsigned long) (b)[(i) + 1] << 16 ) \
|
|
|
+ | ( (unsigned long) (b)[(i) + 2] << 8 ) \
|
|
|
+ | ( (unsigned long) (b)[(i) + 3] ); \
|
|
|
+}
|
|
|
+#endif
|
|
|
+#ifndef PUT_UINT32_BE
|
|
|
+#define PUT_UINT32_BE(n,b,i) \
|
|
|
+{ \
|
|
|
+ (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
|
|
|
+ (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
|
|
|
+ (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
|
|
|
+ (b)[(i) + 3] = (unsigned char) ( (n) ); \
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+/*
|
|
|
+ * SHA-1 context setup
|
|
|
+ */
|
|
|
+void sha1_starts( sha1_context *ctx )
|
|
|
+{
|
|
|
+ ctx->total[0] = 0;
|
|
|
+ ctx->total[1] = 0;
|
|
|
+
|
|
|
+ ctx->state[0] = 0x67452301;
|
|
|
+ ctx->state[1] = 0xEFCDAB89;
|
|
|
+ ctx->state[2] = 0x98BADCFE;
|
|
|
+ ctx->state[3] = 0x10325476;
|
|
|
+ ctx->state[4] = 0xC3D2E1F0;
|
|
|
+}
|
|
|
+
|
|
|
+static void sha1_process( sha1_context *ctx, unsigned char data[64] )
|
|
|
+{
|
|
|
+ unsigned long temp, W[16], A, B, C, D, E;
|
|
|
+
|
|
|
+ GET_UINT32_BE( W[0], data, 0 );
|
|
|
+ GET_UINT32_BE( W[1], data, 4 );
|
|
|
+ GET_UINT32_BE( W[2], data, 8 );
|
|
|
+ GET_UINT32_BE( W[3], data, 12 );
|
|
|
+ GET_UINT32_BE( W[4], data, 16 );
|
|
|
+ GET_UINT32_BE( W[5], data, 20 );
|
|
|
+ GET_UINT32_BE( W[6], data, 24 );
|
|
|
+ GET_UINT32_BE( W[7], data, 28 );
|
|
|
+ GET_UINT32_BE( W[8], data, 32 );
|
|
|
+ GET_UINT32_BE( W[9], data, 36 );
|
|
|
+ GET_UINT32_BE( W[10], data, 40 );
|
|
|
+ GET_UINT32_BE( W[11], data, 44 );
|
|
|
+ GET_UINT32_BE( W[12], data, 48 );
|
|
|
+ GET_UINT32_BE( W[13], data, 52 );
|
|
|
+ GET_UINT32_BE( W[14], data, 56 );
|
|
|
+ GET_UINT32_BE( W[15], data, 60 );
|
|
|
+
|
|
|
+#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
|
|
|
+
|
|
|
+#define R(t) \
|
|
|
+( \
|
|
|
+ temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \
|
|
|
+ W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \
|
|
|
+ ( W[t & 0x0F] = S(temp,1) ) \
|
|
|
+)
|
|
|
+
|
|
|
+#define P(a,b,c,d,e,x) \
|
|
|
+{ \
|
|
|
+ e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \
|
|
|
+}
|
|
|
+
|
|
|
+ A = ctx->state[0];
|
|
|
+ B = ctx->state[1];
|
|
|
+ C = ctx->state[2];
|
|
|
+ D = ctx->state[3];
|
|
|
+ E = ctx->state[4];
|
|
|
+
|
|
|
+#define F(x,y,z) (z ^ (x & (y ^ z)))
|
|
|
+#define K 0x5A827999
|
|
|
+
|
|
|
+ P( A, B, C, D, E, W[0] );
|
|
|
+ P( E, A, B, C, D, W[1] );
|
|
|
+ P( D, E, A, B, C, W[2] );
|
|
|
+ P( C, D, E, A, B, W[3] );
|
|
|
+ P( B, C, D, E, A, W[4] );
|
|
|
+ P( A, B, C, D, E, W[5] );
|
|
|
+ P( E, A, B, C, D, W[6] );
|
|
|
+ P( D, E, A, B, C, W[7] );
|
|
|
+ P( C, D, E, A, B, W[8] );
|
|
|
+ P( B, C, D, E, A, W[9] );
|
|
|
+ P( A, B, C, D, E, W[10] );
|
|
|
+ P( E, A, B, C, D, W[11] );
|
|
|
+ P( D, E, A, B, C, W[12] );
|
|
|
+ P( C, D, E, A, B, W[13] );
|
|
|
+ P( B, C, D, E, A, W[14] );
|
|
|
+ P( A, B, C, D, E, W[15] );
|
|
|
+ P( E, A, B, C, D, R(16) );
|
|
|
+ P( D, E, A, B, C, R(17) );
|
|
|
+ P( C, D, E, A, B, R(18) );
|
|
|
+ P( B, C, D, E, A, R(19) );
|
|
|
+
|
|
|
+#undef K
|
|
|
+#undef F
|
|
|
+
|
|
|
+#define F(x,y,z) (x ^ y ^ z)
|
|
|
+#define K 0x6ED9EBA1
|
|
|
+
|
|
|
+ P( A, B, C, D, E, R(20) );
|
|
|
+ P( E, A, B, C, D, R(21) );
|
|
|
+ P( D, E, A, B, C, R(22) );
|
|
|
+ P( C, D, E, A, B, R(23) );
|
|
|
+ P( B, C, D, E, A, R(24) );
|
|
|
+ P( A, B, C, D, E, R(25) );
|
|
|
+ P( E, A, B, C, D, R(26) );
|
|
|
+ P( D, E, A, B, C, R(27) );
|
|
|
+ P( C, D, E, A, B, R(28) );
|
|
|
+ P( B, C, D, E, A, R(29) );
|
|
|
+ P( A, B, C, D, E, R(30) );
|
|
|
+ P( E, A, B, C, D, R(31) );
|
|
|
+ P( D, E, A, B, C, R(32) );
|
|
|
+ P( C, D, E, A, B, R(33) );
|
|
|
+ P( B, C, D, E, A, R(34) );
|
|
|
+ P( A, B, C, D, E, R(35) );
|
|
|
+ P( E, A, B, C, D, R(36) );
|
|
|
+ P( D, E, A, B, C, R(37) );
|
|
|
+ P( C, D, E, A, B, R(38) );
|
|
|
+ P( B, C, D, E, A, R(39) );
|
|
|
+
|
|
|
+#undef K
|
|
|
+#undef F
|
|
|
+
|
|
|
+#define F(x,y,z) ((x & y) | (z & (x | y)))
|
|
|
+#define K 0x8F1BBCDC
|
|
|
+
|
|
|
+ P( A, B, C, D, E, R(40) );
|
|
|
+ P( E, A, B, C, D, R(41) );
|
|
|
+ P( D, E, A, B, C, R(42) );
|
|
|
+ P( C, D, E, A, B, R(43) );
|
|
|
+ P( B, C, D, E, A, R(44) );
|
|
|
+ P( A, B, C, D, E, R(45) );
|
|
|
+ P( E, A, B, C, D, R(46) );
|
|
|
+ P( D, E, A, B, C, R(47) );
|
|
|
+ P( C, D, E, A, B, R(48) );
|
|
|
+ P( B, C, D, E, A, R(49) );
|
|
|
+ P( A, B, C, D, E, R(50) );
|
|
|
+ P( E, A, B, C, D, R(51) );
|
|
|
+ P( D, E, A, B, C, R(52) );
|
|
|
+ P( C, D, E, A, B, R(53) );
|
|
|
+ P( B, C, D, E, A, R(54) );
|
|
|
+ P( A, B, C, D, E, R(55) );
|
|
|
+ P( E, A, B, C, D, R(56) );
|
|
|
+ P( D, E, A, B, C, R(57) );
|
|
|
+ P( C, D, E, A, B, R(58) );
|
|
|
+ P( B, C, D, E, A, R(59) );
|
|
|
+
|
|
|
+#undef K
|
|
|
+#undef F
|
|
|
+
|
|
|
+#define F(x,y,z) (x ^ y ^ z)
|
|
|
+#define K 0xCA62C1D6
|
|
|
+
|
|
|
+ P( A, B, C, D, E, R(60) );
|
|
|
+ P( E, A, B, C, D, R(61) );
|
|
|
+ P( D, E, A, B, C, R(62) );
|
|
|
+ P( C, D, E, A, B, R(63) );
|
|
|
+ P( B, C, D, E, A, R(64) );
|
|
|
+ P( A, B, C, D, E, R(65) );
|
|
|
+ P( E, A, B, C, D, R(66) );
|
|
|
+ P( D, E, A, B, C, R(67) );
|
|
|
+ P( C, D, E, A, B, R(68) );
|
|
|
+ P( B, C, D, E, A, R(69) );
|
|
|
+ P( A, B, C, D, E, R(70) );
|
|
|
+ P( E, A, B, C, D, R(71) );
|
|
|
+ P( D, E, A, B, C, R(72) );
|
|
|
+ P( C, D, E, A, B, R(73) );
|
|
|
+ P( B, C, D, E, A, R(74) );
|
|
|
+ P( A, B, C, D, E, R(75) );
|
|
|
+ P( E, A, B, C, D, R(76) );
|
|
|
+ P( D, E, A, B, C, R(77) );
|
|
|
+ P( C, D, E, A, B, R(78) );
|
|
|
+ P( B, C, D, E, A, R(79) );
|
|
|
+
|
|
|
+#undef K
|
|
|
+#undef F
|
|
|
+
|
|
|
+ ctx->state[0] += A;
|
|
|
+ ctx->state[1] += B;
|
|
|
+ ctx->state[2] += C;
|
|
|
+ ctx->state[3] += D;
|
|
|
+ ctx->state[4] += E;
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * SHA-1 process buffer
|
|
|
+ */
|
|
|
+void sha1_update( sha1_context *ctx, unsigned char *input, int ilen )
|
|
|
+{
|
|
|
+ int fill;
|
|
|
+ unsigned long left;
|
|
|
+
|
|
|
+ if( ilen <= 0 )
|
|
|
+ return;
|
|
|
+
|
|
|
+ left = ctx->total[0] & 0x3F;
|
|
|
+ fill = 64 - left;
|
|
|
+
|
|
|
+ ctx->total[0] += ilen;
|
|
|
+ ctx->total[0] &= 0xFFFFFFFF;
|
|
|
+
|
|
|
+ if( ctx->total[0] < (unsigned long) ilen )
|
|
|
+ ctx->total[1]++;
|
|
|
+
|
|
|
+ if( left && ilen >= fill )
|
|
|
+ {
|
|
|
+ memcpy( (void *) (ctx->buffer + left),
|
|
|
+ (void *) input, fill );
|
|
|
+ sha1_process( ctx, ctx->buffer );
|
|
|
+ input += fill;
|
|
|
+ ilen -= fill;
|
|
|
+ left = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ while( ilen >= 64 )
|
|
|
+ {
|
|
|
+ sha1_process( ctx, input );
|
|
|
+ input += 64;
|
|
|
+ ilen -= 64;
|
|
|
+ }
|
|
|
+
|
|
|
+ if( ilen > 0 )
|
|
|
+ {
|
|
|
+ memcpy( (void *) (ctx->buffer + left),
|
|
|
+ (void *) input, ilen );
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static const unsigned char sha1_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
|
|
|
+};
|
|
|
+
|
|
|
+/*
|
|
|
+ * SHA-1 final digest
|
|
|
+ */
|
|
|
+void sha1_finish( sha1_context *ctx, unsigned char output[20] )
|
|
|
+{
|
|
|
+ unsigned long last, padn;
|
|
|
+ unsigned long high, low;
|
|
|
+ unsigned char msglen[8];
|
|
|
+
|
|
|
+ high = ( ctx->total[0] >> 29 )
|
|
|
+ | ( ctx->total[1] << 3 );
|
|
|
+ low = ( ctx->total[0] << 3 );
|
|
|
+
|
|
|
+ PUT_UINT32_BE( high, msglen, 0 );
|
|
|
+ PUT_UINT32_BE( low, msglen, 4 );
|
|
|
+
|
|
|
+ last = ctx->total[0] & 0x3F;
|
|
|
+ padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
|
|
|
+
|
|
|
+ sha1_update( ctx, (unsigned char *) sha1_padding, padn );
|
|
|
+ sha1_update( ctx, msglen, 8 );
|
|
|
+
|
|
|
+ PUT_UINT32_BE( ctx->state[0], output, 0 );
|
|
|
+ PUT_UINT32_BE( ctx->state[1], output, 4 );
|
|
|
+ PUT_UINT32_BE( ctx->state[2], output, 8 );
|
|
|
+ PUT_UINT32_BE( ctx->state[3], output, 12 );
|
|
|
+ PUT_UINT32_BE( ctx->state[4], output, 16 );
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * Output = SHA-1( input buffer )
|
|
|
+ */
|
|
|
+void sha1_csum( unsigned char *input, int ilen,
|
|
|
+ unsigned char output[20] )
|
|
|
+{
|
|
|
+ sha1_context ctx;
|
|
|
+
|
|
|
+ sha1_starts( &ctx );
|
|
|
+ sha1_update( &ctx, input, ilen );
|
|
|
+ sha1_finish( &ctx, output );
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * Output = HMAC-SHA-1( input buffer, hmac key )
|
|
|
+ */
|
|
|
+void sha1_hmac( unsigned char *key, int keylen,
|
|
|
+ unsigned char *input, int ilen,
|
|
|
+ unsigned char output[20] )
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ sha1_context ctx;
|
|
|
+ unsigned char k_ipad[64];
|
|
|
+ unsigned char k_opad[64];
|
|
|
+ unsigned char tmpbuf[20];
|
|
|
+
|
|
|
+ memset( k_ipad, 0x36, 64 );
|
|
|
+ memset( k_opad, 0x5C, 64 );
|
|
|
+
|
|
|
+ for( i = 0; i < keylen; i++ )
|
|
|
+ {
|
|
|
+ if( i >= 64 ) break;
|
|
|
+
|
|
|
+ k_ipad[i] ^= key[i];
|
|
|
+ k_opad[i] ^= key[i];
|
|
|
+ }
|
|
|
+
|
|
|
+ sha1_starts( &ctx );
|
|
|
+ sha1_update( &ctx, k_ipad, 64 );
|
|
|
+ sha1_update( &ctx, input, ilen );
|
|
|
+ sha1_finish( &ctx, tmpbuf );
|
|
|
+
|
|
|
+ sha1_starts( &ctx );
|
|
|
+ sha1_update( &ctx, k_opad, 64 );
|
|
|
+ sha1_update( &ctx, tmpbuf, 20 );
|
|
|
+ sha1_finish( &ctx, output );
|
|
|
+
|
|
|
+ memset( k_ipad, 0, 64 );
|
|
|
+ memset( k_opad, 0, 64 );
|
|
|
+ memset( tmpbuf, 0, 20 );
|
|
|
+ memset( &ctx, 0, sizeof( sha1_context ) );
|
|
|
+}
|
|
|
+
|
|
|
+static const char _sha1_src[] = "_sha1_src";
|
|
|
+
|
|
|
+#ifdef SELF_TEST
|
|
|
+/*
|
|
|
+ * FIPS-180-1 test vectors
|
|
|
+ */
|
|
|
+static const char sha1_test_str[3][57] =
|
|
|
+{
|
|
|
+ { "abc" },
|
|
|
+ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
|
|
|
+ { "" }
|
|
|
+};
|
|
|
+
|
|
|
+static const unsigned char sha1_test_sum[3][20] =
|
|
|
+{
|
|
|
+ { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E,
|
|
|
+ 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D },
|
|
|
+ { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE,
|
|
|
+ 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 },
|
|
|
+ { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E,
|
|
|
+ 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F }
|
|
|
+};
|
|
|
+
|
|
|
+/*
|
|
|
+ * Checkup routine
|
|
|
+ */
|
|
|
+int sha1_self_test( void )
|
|
|
+{
|
|
|
+ int i, j;
|
|
|
+ unsigned char buf[1000];
|
|
|
+ unsigned char sha1sum[20];
|
|
|
+ sha1_context ctx;
|
|
|
+
|
|
|
+ for( i = 0; i < 3; i++ )
|
|
|
+ {
|
|
|
+ printf( " SHA-1 test #%d: ", i + 1 );
|
|
|
+
|
|
|
+ sha1_starts( &ctx );
|
|
|
+
|
|
|
+ if( i < 2 )
|
|
|
+ sha1_update( &ctx, (unsigned char *) sha1_test_str[i],
|
|
|
+ strlen( sha1_test_str[i] ) );
|
|
|
+ else
|
|
|
+ {
|
|
|
+ memset( buf, 'a', 1000 );
|
|
|
+ for( j = 0; j < 1000; j++ )
|
|
|
+ sha1_update( &ctx, buf, 1000 );
|
|
|
+ }
|
|
|
+
|
|
|
+ sha1_finish( &ctx, sha1sum );
|
|
|
+
|
|
|
+ if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 )
|
|
|
+ {
|
|
|
+ printf( "failed\n" );
|
|
|
+ return( 1 );
|
|
|
+ }
|
|
|
+
|
|
|
+ printf( "passed\n" );
|
|
|
+ }
|
|
|
+
|
|
|
+ printf( "\n" );
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+#else
|
|
|
+int sha1_self_test( void )
|
|
|
+{
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+#endif
|