Simon Cooksey
Pinned to some recent date
Diff: features/mbedtls/src/ripemd160.c
- Revision:
- 0:fb7af294d5d9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/features/mbedtls/src/ripemd160.c Thu Nov 17 16:43:53 2016 +0000
@@ -0,0 +1,467 @@
+/*
+ * RIPE MD-160 implementation
+ *
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+/*
+ * The RIPEMD-160 algorithm was designed by RIPE in 1996
+ * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
+ * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_RIPEMD160_C)
+
+#include "mbedtls/ripemd160.h"
+
+#include <string.h>
+
+#if defined(MBEDTLS_SELF_TEST)
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#define mbedtls_printf printf
+#endif /* MBEDTLS_PLATFORM_C */
+#endif /* MBEDTLS_SELF_TEST */
+
+/*
+ * 32-bit integer manipulation macros (little endian)
+ */
+#ifndef GET_UINT32_LE
+#define GET_UINT32_LE(n,b,i) \
+{ \
+ (n) = ( (uint32_t) (b)[(i) ] ) \
+ | ( (uint32_t) (b)[(i) + 1] << 8 ) \
+ | ( (uint32_t) (b)[(i) + 2] << 16 ) \
+ | ( (uint32_t) (b)[(i) + 3] << 24 ); \
+}
+#endif
+
+#ifndef PUT_UINT32_LE
+#define PUT_UINT32_LE(n,b,i) \
+{ \
+ (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
+ (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
+ (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
+ (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
+}
+#endif
+
+/* Implementation that should never be optimized out by the compiler */
+static void mbedtls_zeroize( void *v, size_t n ) {
+ volatile unsigned char *p = v; while( n-- ) *p++ = 0;
+}
+
+void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
+{
+ memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
+}
+
+void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
+{
+ if( ctx == NULL )
+ return;
+
+ mbedtls_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
+}
+
+void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
+ const mbedtls_ripemd160_context *src )
+{
+ *dst = *src;
+}
+
+/*
+ * RIPEMD-160 context setup
+ */
+void mbedtls_ripemd160_starts( mbedtls_ripemd160_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;
+}
+
+#if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
+/*
+ * Process one block
+ */
+void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] )
+{
+ uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
+
+ GET_UINT32_LE( X[ 0], data, 0 );
+ GET_UINT32_LE( X[ 1], data, 4 );
+ GET_UINT32_LE( X[ 2], data, 8 );
+ GET_UINT32_LE( X[ 3], data, 12 );
+ GET_UINT32_LE( X[ 4], data, 16 );
+ GET_UINT32_LE( X[ 5], data, 20 );
+ GET_UINT32_LE( X[ 6], data, 24 );
+ GET_UINT32_LE( X[ 7], data, 28 );
+ GET_UINT32_LE( X[ 8], data, 32 );
+ GET_UINT32_LE( X[ 9], data, 36 );
+ GET_UINT32_LE( X[10], data, 40 );
+ GET_UINT32_LE( X[11], data, 44 );
+ GET_UINT32_LE( X[12], data, 48 );
+ GET_UINT32_LE( X[13], data, 52 );
+ GET_UINT32_LE( X[14], data, 56 );
+ GET_UINT32_LE( X[15], data, 60 );
+
+ A = Ap = ctx->state[0];
+ B = Bp = ctx->state[1];
+ C = Cp = ctx->state[2];
+ D = Dp = ctx->state[3];
+ E = Ep = ctx->state[4];
+
+#define F1( x, y, z ) ( x ^ y ^ z )
+#define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
+#define F3( x, y, z ) ( ( x | ~y ) ^ z )
+#define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
+#define F5( x, y, z ) ( x ^ ( y | ~z ) )
+
+#define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
+
+#define P( a, b, c, d, e, r, s, f, k ) \
+ a += f( b, c, d ) + X[r] + k; \
+ a = S( a, s ) + e; \
+ c = S( c, 10 );
+
+#define P2( a, b, c, d, e, r, s, rp, sp ) \
+ P( a, b, c, d, e, r, s, F, K ); \
+ P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
+
+#define F F1
+#define K 0x00000000
+#define Fp F5
+#define Kp 0x50A28BE6
+ P2( A, B, C, D, E, 0, 11, 5, 8 );
+ P2( E, A, B, C, D, 1, 14, 14, 9 );
+ P2( D, E, A, B, C, 2, 15, 7, 9 );
+ P2( C, D, E, A, B, 3, 12, 0, 11 );
+ P2( B, C, D, E, A, 4, 5, 9, 13 );
+ P2( A, B, C, D, E, 5, 8, 2, 15 );
+ P2( E, A, B, C, D, 6, 7, 11, 15 );
+ P2( D, E, A, B, C, 7, 9, 4, 5 );
+ P2( C, D, E, A, B, 8, 11, 13, 7 );
+ P2( B, C, D, E, A, 9, 13, 6, 7 );
+ P2( A, B, C, D, E, 10, 14, 15, 8 );
+ P2( E, A, B, C, D, 11, 15, 8, 11 );
+ P2( D, E, A, B, C, 12, 6, 1, 14 );
+ P2( C, D, E, A, B, 13, 7, 10, 14 );
+ P2( B, C, D, E, A, 14, 9, 3, 12 );
+ P2( A, B, C, D, E, 15, 8, 12, 6 );
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F2
+#define K 0x5A827999
+#define Fp F4
+#define Kp 0x5C4DD124
+ P2( E, A, B, C, D, 7, 7, 6, 9 );
+ P2( D, E, A, B, C, 4, 6, 11, 13 );
+ P2( C, D, E, A, B, 13, 8, 3, 15 );
+ P2( B, C, D, E, A, 1, 13, 7, 7 );
+ P2( A, B, C, D, E, 10, 11, 0, 12 );
+ P2( E, A, B, C, D, 6, 9, 13, 8 );
+ P2( D, E, A, B, C, 15, 7, 5, 9 );
+ P2( C, D, E, A, B, 3, 15, 10, 11 );
+ P2( B, C, D, E, A, 12, 7, 14, 7 );
+ P2( A, B, C, D, E, 0, 12, 15, 7 );
+ P2( E, A, B, C, D, 9, 15, 8, 12 );
+ P2( D, E, A, B, C, 5, 9, 12, 7 );
+ P2( C, D, E, A, B, 2, 11, 4, 6 );
+ P2( B, C, D, E, A, 14, 7, 9, 15 );
+ P2( A, B, C, D, E, 11, 13, 1, 13 );
+ P2( E, A, B, C, D, 8, 12, 2, 11 );
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F3
+#define K 0x6ED9EBA1
+#define Fp F3
+#define Kp 0x6D703EF3
+ P2( D, E, A, B, C, 3, 11, 15, 9 );
+ P2( C, D, E, A, B, 10, 13, 5, 7 );
+ P2( B, C, D, E, A, 14, 6, 1, 15 );
+ P2( A, B, C, D, E, 4, 7, 3, 11 );
+ P2( E, A, B, C, D, 9, 14, 7, 8 );
+ P2( D, E, A, B, C, 15, 9, 14, 6 );
+ P2( C, D, E, A, B, 8, 13, 6, 6 );
+ P2( B, C, D, E, A, 1, 15, 9, 14 );
+ P2( A, B, C, D, E, 2, 14, 11, 12 );
+ P2( E, A, B, C, D, 7, 8, 8, 13 );
+ P2( D, E, A, B, C, 0, 13, 12, 5 );
+ P2( C, D, E, A, B, 6, 6, 2, 14 );
+ P2( B, C, D, E, A, 13, 5, 10, 13 );
+ P2( A, B, C, D, E, 11, 12, 0, 13 );
+ P2( E, A, B, C, D, 5, 7, 4, 7 );
+ P2( D, E, A, B, C, 12, 5, 13, 5 );
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F4
+#define K 0x8F1BBCDC
+#define Fp F2
+#define Kp 0x7A6D76E9
+ P2( C, D, E, A, B, 1, 11, 8, 15 );
+ P2( B, C, D, E, A, 9, 12, 6, 5 );
+ P2( A, B, C, D, E, 11, 14, 4, 8 );
+ P2( E, A, B, C, D, 10, 15, 1, 11 );
+ P2( D, E, A, B, C, 0, 14, 3, 14 );
+ P2( C, D, E, A, B, 8, 15, 11, 14 );
+ P2( B, C, D, E, A, 12, 9, 15, 6 );
+ P2( A, B, C, D, E, 4, 8, 0, 14 );
+ P2( E, A, B, C, D, 13, 9, 5, 6 );
+ P2( D, E, A, B, C, 3, 14, 12, 9 );
+ P2( C, D, E, A, B, 7, 5, 2, 12 );
+ P2( B, C, D, E, A, 15, 6, 13, 9 );
+ P2( A, B, C, D, E, 14, 8, 9, 12 );
+ P2( E, A, B, C, D, 5, 6, 7, 5 );
+ P2( D, E, A, B, C, 6, 5, 10, 15 );
+ P2( C, D, E, A, B, 2, 12, 14, 8 );
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F5
+#define K 0xA953FD4E
+#define Fp F1
+#define Kp 0x00000000
+ P2( B, C, D, E, A, 4, 9, 12, 8 );
+ P2( A, B, C, D, E, 0, 15, 15, 5 );
+ P2( E, A, B, C, D, 5, 5, 10, 12 );
+ P2( D, E, A, B, C, 9, 11, 4, 9 );
+ P2( C, D, E, A, B, 7, 6, 1, 12 );
+ P2( B, C, D, E, A, 12, 8, 5, 5 );
+ P2( A, B, C, D, E, 2, 13, 8, 14 );
+ P2( E, A, B, C, D, 10, 12, 7, 6 );
+ P2( D, E, A, B, C, 14, 5, 6, 8 );
+ P2( C, D, E, A, B, 1, 12, 2, 13 );
+ P2( B, C, D, E, A, 3, 13, 13, 6 );
+ P2( A, B, C, D, E, 8, 14, 14, 5 );
+ P2( E, A, B, C, D, 11, 11, 0, 15 );
+ P2( D, E, A, B, C, 6, 8, 3, 13 );
+ P2( C, D, E, A, B, 15, 5, 9, 11 );
+ P2( B, C, D, E, A, 13, 6, 11, 11 );
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+ C = ctx->state[1] + C + Dp;
+ ctx->state[1] = ctx->state[2] + D + Ep;
+ ctx->state[2] = ctx->state[3] + E + Ap;
+ ctx->state[3] = ctx->state[4] + A + Bp;
+ ctx->state[4] = ctx->state[0] + B + Cp;
+ ctx->state[0] = C;
+}
+#endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
+
+/*
+ * RIPEMD-160 process buffer
+ */
+void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
+ const unsigned char *input, size_t ilen )
+{
+ size_t fill;
+ uint32_t left;
+
+ if( ilen == 0 )
+ return;
+
+ left = ctx->total[0] & 0x3F;
+ fill = 64 - left;
+
+ ctx->total[0] += (uint32_t) ilen;
+ ctx->total[0] &= 0xFFFFFFFF;
+
+ if( ctx->total[0] < (uint32_t) ilen )
+ ctx->total[1]++;
+
+ if( left && ilen >= fill )
+ {
+ memcpy( (void *) (ctx->buffer + left), input, fill );
+ mbedtls_ripemd160_process( ctx, ctx->buffer );
+ input += fill;
+ ilen -= fill;
+ left = 0;
+ }
+
+ while( ilen >= 64 )
+ {
+ mbedtls_ripemd160_process( ctx, input );
+ input += 64;
+ ilen -= 64;
+ }
+
+ if( ilen > 0 )
+ {
+ memcpy( (void *) (ctx->buffer + left), input, ilen );
+ }
+}
+
+static const unsigned char ripemd160_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
+};
+
+/*
+ * RIPEMD-160 final digest
+ */
+void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] )
+{
+ uint32_t last, padn;
+ uint32_t high, low;
+ unsigned char msglen[8];
+
+ high = ( ctx->total[0] >> 29 )
+ | ( ctx->total[1] << 3 );
+ low = ( ctx->total[0] << 3 );
+
+ PUT_UINT32_LE( low, msglen, 0 );
+ PUT_UINT32_LE( high, msglen, 4 );
+
+ last = ctx->total[0] & 0x3F;
+ padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
+
+ mbedtls_ripemd160_update( ctx, ripemd160_padding, padn );
+ mbedtls_ripemd160_update( ctx, msglen, 8 );
+
+ PUT_UINT32_LE( ctx->state[0], output, 0 );
+ PUT_UINT32_LE( ctx->state[1], output, 4 );
+ PUT_UINT32_LE( ctx->state[2], output, 8 );
+ PUT_UINT32_LE( ctx->state[3], output, 12 );
+ PUT_UINT32_LE( ctx->state[4], output, 16 );
+}
+
+/*
+ * output = RIPEMD-160( input buffer )
+ */
+void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
+ unsigned char output[20] )
+{
+ mbedtls_ripemd160_context ctx;
+
+ mbedtls_ripemd160_init( &ctx );
+ mbedtls_ripemd160_starts( &ctx );
+ mbedtls_ripemd160_update( &ctx, input, ilen );
+ mbedtls_ripemd160_finish( &ctx, output );
+ mbedtls_ripemd160_free( &ctx );
+}
+
+#if defined(MBEDTLS_SELF_TEST)
+/*
+ * Test vectors from the RIPEMD-160 paper and
+ * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
+ */
+#define TESTS 8
+#define KEYS 2
+static const char *ripemd160_test_input[TESTS] =
+{
+ "",
+ "a",
+ "abc",
+ "message digest",
+ "abcdefghijklmnopqrstuvwxyz",
+ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
+ "1234567890123456789012345678901234567890"
+ "1234567890123456789012345678901234567890",
+};
+
+static const unsigned char ripemd160_test_md[TESTS][20] =
+{
+ { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
+ 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
+ { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
+ 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
+ { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
+ 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
+ { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
+ 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
+ { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
+ 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
+ { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
+ 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
+ { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
+ 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
+ { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
+ 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
+};
+
+/*
+ * Checkup routine
+ */
+int mbedtls_ripemd160_self_test( int verbose )
+{
+ int i;
+ unsigned char output[20];
+
+ memset( output, 0, sizeof output );
+
+ for( i = 0; i < TESTS; i++ )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
+
+ mbedtls_ripemd160( (const unsigned char *) ripemd160_test_input[i],
+ strlen( ripemd160_test_input[i] ),
+ output );
+
+ if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( "failed\n" );
+
+ return( 1 );
+ }
+
+ if( verbose != 0 )
+ mbedtls_printf( "passed\n" );
+ }
+
+ if( verbose != 0 )
+ mbedtls_printf( "\n" );
+
+ return( 0 );
+}
+
+#endif /* MBEDTLS_SELF_TEST */
+
+#endif /* MBEDTLS_RIPEMD160_C */