530 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			530 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /*
 | ||
|  |  *  RIPE MD-160 implementation | ||
|  |  * | ||
|  |  *  Copyright The Mbed TLS Contributors | ||
|  |  *  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. | ||
|  |  */ | ||
|  | 
 | ||
|  | /*
 | ||
|  |  *  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
 | ||
|  |  */ | ||
|  | 
 | ||
|  | #include "common.h"
 | ||
|  | 
 | ||
|  | #if defined(MBEDTLS_RIPEMD160_C)
 | ||
|  | 
 | ||
|  | #include "mbedtls/ripemd160.h"
 | ||
|  | #include "mbedtls/platform_util.h"
 | ||
|  | #include "mbedtls/error.h"
 | ||
|  | 
 | ||
|  | #include <string.h>
 | ||
|  | 
 | ||
|  | #include "mbedtls/platform.h"
 | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_RIPEMD160_ALT)
 | ||
|  | 
 | ||
|  | 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_platform_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 | ||
|  |  */ | ||
|  | int mbedtls_ripemd160_starts_ret( 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; | ||
|  | 
 | ||
|  |     return( 0 ); | ||
|  | } | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 | ||
|  | void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx ) | ||
|  | { | ||
|  |     mbedtls_ripemd160_starts_ret( ctx ); | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
 | ||
|  | /*
 | ||
|  |  * Process one block | ||
|  |  */ | ||
|  | int mbedtls_internal_ripemd160_process( mbedtls_ripemd160_context *ctx, | ||
|  |                                         const unsigned char data[64] ) | ||
|  | { | ||
|  |     struct | ||
|  |     { | ||
|  |         uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16]; | ||
|  |     } local; | ||
|  | 
 | ||
|  |     local.X[ 0] = MBEDTLS_GET_UINT32_LE( data,  0 ); | ||
|  |     local.X[ 1] = MBEDTLS_GET_UINT32_LE( data,  4 ); | ||
|  |     local.X[ 2] = MBEDTLS_GET_UINT32_LE( data,  8 ); | ||
|  |     local.X[ 3] = MBEDTLS_GET_UINT32_LE( data, 12 ); | ||
|  |     local.X[ 4] = MBEDTLS_GET_UINT32_LE( data, 16 ); | ||
|  |     local.X[ 5] = MBEDTLS_GET_UINT32_LE( data, 20 ); | ||
|  |     local.X[ 6] = MBEDTLS_GET_UINT32_LE( data, 24 ); | ||
|  |     local.X[ 7] = MBEDTLS_GET_UINT32_LE( data, 28 ); | ||
|  |     local.X[ 8] = MBEDTLS_GET_UINT32_LE( data, 32 ); | ||
|  |     local.X[ 9] = MBEDTLS_GET_UINT32_LE( data, 36 ); | ||
|  |     local.X[10] = MBEDTLS_GET_UINT32_LE( data, 40 ); | ||
|  |     local.X[11] = MBEDTLS_GET_UINT32_LE( data, 44 ); | ||
|  |     local.X[12] = MBEDTLS_GET_UINT32_LE( data, 48 ); | ||
|  |     local.X[13] = MBEDTLS_GET_UINT32_LE( data, 52 ); | ||
|  |     local.X[14] = MBEDTLS_GET_UINT32_LE( data, 56 ); | ||
|  |     local.X[15] = MBEDTLS_GET_UINT32_LE( data, 60 ); | ||
|  | 
 | ||
|  |     local.A = local.Ap = ctx->state[0]; | ||
|  |     local.B = local.Bp = ctx->state[1]; | ||
|  |     local.C = local.Cp = ctx->state[2]; | ||
|  |     local.D = local.Dp = ctx->state[3]; | ||
|  |     local.E = local.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 )                      \
 | ||
|  |     do                                                      \ | ||
|  |     {                                                       \ | ||
|  |         (a) += f( (b), (c), (d) ) + local.X[r] + (k);       \ | ||
|  |         (a) = S( (a), (s) ) + (e);                          \ | ||
|  |         (c) = S( (c), 10 );                                 \ | ||
|  |     } while( 0 ) | ||
|  | 
 | ||
|  | #define P2( a, b, c, d, e, r, s, rp, sp )                               \
 | ||
|  |     do                                                                  \ | ||
|  |     {                                                                   \ | ||
|  |         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 );                                        \ | ||
|  |     } while( 0 ) | ||
|  | 
 | ||
|  | #define F   F1
 | ||
|  | #define K   0x00000000
 | ||
|  | #define Fp  F5
 | ||
|  | #define Kp  0x50A28BE6
 | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  0, 11,  5,  8 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  1, 14, 14,  9 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  2, 15,  7,  9 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  3, 12,  0, 11 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A,  4,  5,  9, 13 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  5,  8,  2, 15 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  6,  7, 11, 15 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  7,  9,  4,  5 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  8, 11, 13,  7 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A,  9, 13,  6,  7 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E, 10, 14, 15,  8 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D, 11, 15,  8, 11 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C, 12,  6,  1, 14 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B, 13,  7, 10, 14 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 14,  9,  3, 12 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.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( local.E, local.A, local.B, local.C, local.D,  7,  7,  6,  9 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  4,  6, 11, 13 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B, 13,  8,  3, 15 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A,  1, 13,  7,  7 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E, 10, 11,  0, 12 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  6,  9, 13,  8 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C, 15,  7,  5,  9 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  3, 15, 10, 11 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 12,  7, 14,  7 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  0, 12, 15,  7 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  9, 15,  8, 12 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  5,  9, 12,  7 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  2, 11,  4,  6 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 14,  7,  9, 15 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E, 11, 13,  1, 13 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.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( local.D, local.E, local.A, local.B, local.C,  3, 11, 15,  9 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B, 10, 13,  5,  7 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 14,  6,  1, 15 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  4,  7,  3, 11 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  9, 14,  7,  8 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C, 15,  9, 14,  6 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  8, 13,  6,  6 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A,  1, 15,  9, 14 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  2, 14, 11, 12 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  7,  8,  8, 13 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  0, 13, 12,  5 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  6,  6,  2, 14 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 13,  5, 10, 13 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E, 11, 12,  0, 13 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  5,  7,  4,  7 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.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( local.C, local.D, local.E, local.A, local.B,  1, 11,  8, 15 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A,  9, 12,  6,  5 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E, 11, 14,  4,  8 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D, 10, 15,  1, 11 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  0, 14,  3, 14 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  8, 15, 11, 14 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 12,  9, 15,  6 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  4,  8,  0, 14 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D, 13,  9,  5,  6 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  3, 14, 12,  9 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  7,  5,  2, 12 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 15,  6, 13,  9 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E, 14,  8,  9, 12 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  5,  6,  7,  5 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  6,  5, 10, 15 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.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( local.B, local.C, local.D, local.E, local.A,  4,  9, 12,  8 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  0, 15, 15,  5 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D,  5,  5, 10, 12 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  9, 11,  4,  9 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  7,  6,  1, 12 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 12,  8,  5,  5 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  2, 13,  8, 14 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D, 10, 12,  7,  6 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C, 14,  5,  6,  8 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B,  1, 12,  2, 13 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A,  3, 13, 13,  6 ); | ||
|  |     P2( local.A, local.B, local.C, local.D, local.E,  8, 14, 14,  5 ); | ||
|  |     P2( local.E, local.A, local.B, local.C, local.D, 11, 11,  0, 15 ); | ||
|  |     P2( local.D, local.E, local.A, local.B, local.C,  6,  8,  3, 13 ); | ||
|  |     P2( local.C, local.D, local.E, local.A, local.B, 15,  5,  9, 11 ); | ||
|  |     P2( local.B, local.C, local.D, local.E, local.A, 13,  6, 11, 11 ); | ||
|  | #undef F
 | ||
|  | #undef K
 | ||
|  | #undef Fp
 | ||
|  | #undef Kp
 | ||
|  | 
 | ||
|  |     local.C       = ctx->state[1] + local.C + local.Dp; | ||
|  |     ctx->state[1] = ctx->state[2] + local.D + local.Ep; | ||
|  |     ctx->state[2] = ctx->state[3] + local.E + local.Ap; | ||
|  |     ctx->state[3] = ctx->state[4] + local.A + local.Bp; | ||
|  |     ctx->state[4] = ctx->state[0] + local.B + local.Cp; | ||
|  |     ctx->state[0] = local.C; | ||
|  | 
 | ||
|  |     /* Zeroise variables to clear sensitive data from memory. */ | ||
|  |     mbedtls_platform_zeroize( &local, sizeof( local ) ); | ||
|  | 
 | ||
|  |     return( 0 ); | ||
|  | } | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 | ||
|  | void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, | ||
|  |                                 const unsigned char data[64] ) | ||
|  | { | ||
|  |     mbedtls_internal_ripemd160_process( ctx, data ); | ||
|  | } | ||
|  | #endif
 | ||
|  | #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * RIPEMD-160 process buffer | ||
|  |  */ | ||
|  | int mbedtls_ripemd160_update_ret( mbedtls_ripemd160_context *ctx, | ||
|  |                                   const unsigned char *input, | ||
|  |                                   size_t ilen ) | ||
|  | { | ||
|  |     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; | ||
|  |     size_t fill; | ||
|  |     uint32_t left; | ||
|  | 
 | ||
|  |     if( ilen == 0 ) | ||
|  |         return( 0 ); | ||
|  | 
 | ||
|  |     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 ); | ||
|  | 
 | ||
|  |         if( ( ret = mbedtls_internal_ripemd160_process( ctx, ctx->buffer ) ) != 0 ) | ||
|  |             return( ret ); | ||
|  | 
 | ||
|  |         input += fill; | ||
|  |         ilen  -= fill; | ||
|  |         left = 0; | ||
|  |     } | ||
|  | 
 | ||
|  |     while( ilen >= 64 ) | ||
|  |     { | ||
|  |         if( ( ret = mbedtls_internal_ripemd160_process( ctx, input ) ) != 0 ) | ||
|  |             return( ret ); | ||
|  | 
 | ||
|  |         input += 64; | ||
|  |         ilen  -= 64; | ||
|  |     } | ||
|  | 
 | ||
|  |     if( ilen > 0 ) | ||
|  |     { | ||
|  |         memcpy( (void *) (ctx->buffer + left), input, ilen ); | ||
|  |     } | ||
|  | 
 | ||
|  |     return( 0 ); | ||
|  | } | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 | ||
|  | void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx, | ||
|  |                                const unsigned char *input, | ||
|  |                                size_t ilen ) | ||
|  | { | ||
|  |     mbedtls_ripemd160_update_ret( ctx, input, ilen ); | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | 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 | ||
|  |  */ | ||
|  | int mbedtls_ripemd160_finish_ret( mbedtls_ripemd160_context *ctx, | ||
|  |                                   unsigned char output[20] ) | ||
|  | { | ||
|  |     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; | ||
|  |     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 ); | ||
|  | 
 | ||
|  |     MBEDTLS_PUT_UINT32_LE( low,  msglen, 0 ); | ||
|  |     MBEDTLS_PUT_UINT32_LE( high, msglen, 4 ); | ||
|  | 
 | ||
|  |     last = ctx->total[0] & 0x3F; | ||
|  |     padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); | ||
|  | 
 | ||
|  |     ret = mbedtls_ripemd160_update_ret( ctx, ripemd160_padding, padn ); | ||
|  |     if( ret != 0 ) | ||
|  |         return( ret ); | ||
|  | 
 | ||
|  |     ret = mbedtls_ripemd160_update_ret( ctx, msglen, 8 ); | ||
|  |     if( ret != 0 ) | ||
|  |         return( ret ); | ||
|  | 
 | ||
|  |     MBEDTLS_PUT_UINT32_LE( ctx->state[0], output,  0 ); | ||
|  |     MBEDTLS_PUT_UINT32_LE( ctx->state[1], output,  4 ); | ||
|  |     MBEDTLS_PUT_UINT32_LE( ctx->state[2], output,  8 ); | ||
|  |     MBEDTLS_PUT_UINT32_LE( ctx->state[3], output, 12 ); | ||
|  |     MBEDTLS_PUT_UINT32_LE( ctx->state[4], output, 16 ); | ||
|  | 
 | ||
|  |     return( 0 ); | ||
|  | } | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 | ||
|  | void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, | ||
|  |                                unsigned char output[20] ) | ||
|  | { | ||
|  |     mbedtls_ripemd160_finish_ret( ctx, output ); | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #endif /* ! MBEDTLS_RIPEMD160_ALT */
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * output = RIPEMD-160( input buffer ) | ||
|  |  */ | ||
|  | int mbedtls_ripemd160_ret( const unsigned char *input, | ||
|  |                            size_t ilen, | ||
|  |                            unsigned char output[20] ) | ||
|  | { | ||
|  |     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; | ||
|  |     mbedtls_ripemd160_context ctx; | ||
|  | 
 | ||
|  |     mbedtls_ripemd160_init( &ctx ); | ||
|  | 
 | ||
|  |     if( ( ret = mbedtls_ripemd160_starts_ret( &ctx ) ) != 0 ) | ||
|  |         goto exit; | ||
|  | 
 | ||
|  |     if( ( ret = mbedtls_ripemd160_update_ret( &ctx, input, ilen ) ) != 0 ) | ||
|  |         goto exit; | ||
|  | 
 | ||
|  |     if( ( ret = mbedtls_ripemd160_finish_ret( &ctx, output ) ) != 0 ) | ||
|  |         goto exit; | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_ripemd160_free( &ctx ); | ||
|  | 
 | ||
|  |     return( ret ); | ||
|  | } | ||
|  | 
 | ||
|  | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 | ||
|  | void mbedtls_ripemd160( const unsigned char *input, | ||
|  |                         size_t ilen, | ||
|  |                         unsigned char output[20] ) | ||
|  | { | ||
|  |     mbedtls_ripemd160_ret( input, ilen, output ); | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #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
 | ||
|  | static const unsigned char ripemd160_test_str[TESTS][81] = | ||
|  | { | ||
|  |     { "" }, | ||
|  |     { "a" }, | ||
|  |     { "abc" }, | ||
|  |     { "message digest" }, | ||
|  |     { "abcdefghijklmnopqrstuvwxyz" }, | ||
|  |     { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, | ||
|  |     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" }, | ||
|  |     { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }, | ||
|  | }; | ||
|  | 
 | ||
|  | static const size_t ripemd160_test_strlen[TESTS] = | ||
|  | { | ||
|  |     0, 1, 3, 14, 26, 56, 62, 80 | ||
|  | }; | ||
|  | 
 | ||
|  | 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, ret = 0; | ||
|  |     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 ); | ||
|  | 
 | ||
|  |         ret = mbedtls_ripemd160_ret( ripemd160_test_str[i], | ||
|  |                                      ripemd160_test_strlen[i], output ); | ||
|  |         if( ret != 0 ) | ||
|  |             goto fail; | ||
|  | 
 | ||
|  |         if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 ) | ||
|  |         { | ||
|  |             ret = 1; | ||
|  |             goto fail; | ||
|  |         } | ||
|  | 
 | ||
|  |         if( verbose != 0 ) | ||
|  |             mbedtls_printf( "passed\n" ); | ||
|  |     } | ||
|  | 
 | ||
|  |     if( verbose != 0 ) | ||
|  |         mbedtls_printf( "\n" ); | ||
|  | 
 | ||
|  |     return( 0 ); | ||
|  | 
 | ||
|  | fail: | ||
|  |     if( verbose != 0 ) | ||
|  |         mbedtls_printf( "failed\n" ); | ||
|  | 
 | ||
|  |     return( ret ); | ||
|  | } | ||
|  | 
 | ||
|  | #endif /* MBEDTLS_SELF_TEST */
 | ||
|  | 
 | ||
|  | #endif /* MBEDTLS_RIPEMD160_C */
 |