[398] | 1 | /*
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| 2 | * Elliptic curve J-PAKE
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| 3 | *
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| 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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| 5 | * SPDX-License-Identifier: Apache-2.0
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| 6 | *
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| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
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| 8 | * not use this file except in compliance with the License.
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| 9 | * You may obtain a copy of the License at
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| 10 | *
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0
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| 12 | *
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| 13 | * Unless required by applicable law or agreed to in writing, software
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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| 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 16 | * See the License for the specific language governing permissions and
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| 17 | * limitations under the License.
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| 18 | *
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| 19 | * This file is part of mbed TLS (https://tls.mbed.org)
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| 20 | */
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| 21 |
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| 22 | /*
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| 23 | * References in the code are to the Thread v1.0 Specification,
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| 24 | * available to members of the Thread Group http://threadgroup.org/
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| 25 | */
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| 26 |
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| 27 | #if !defined(MBEDTLS_CONFIG_FILE)
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| 28 | #include "mbedtls/config.h"
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| 29 | #else
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| 30 | #include MBEDTLS_CONFIG_FILE
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| 31 | #endif
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| 32 |
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| 33 | #if defined(MBEDTLS_ECJPAKE_C)
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| 34 |
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| 35 | #include "mbedtls/ecjpake.h"
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| 36 | #include "mbedtls/platform_util.h"
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| 37 |
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| 38 | #include <string.h>
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| 39 |
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| 40 | #if !defined(MBEDTLS_ECJPAKE_ALT)
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| 41 |
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| 42 | /* Parameter validation macros based on platform_util.h */
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| 43 | #define ECJPAKE_VALIDATE_RET( cond ) \
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| 44 | MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_ECP_BAD_INPUT_DATA )
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| 45 | #define ECJPAKE_VALIDATE( cond ) \
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| 46 | MBEDTLS_INTERNAL_VALIDATE( cond )
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| 47 |
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| 48 | /*
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| 49 | * Convert a mbedtls_ecjpake_role to identifier string
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| 50 | */
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| 51 | static const char * const ecjpake_id[] = {
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| 52 | "client",
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| 53 | "server"
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| 54 | };
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| 55 |
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| 56 | #define ID_MINE ( ecjpake_id[ ctx->role ] )
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| 57 | #define ID_PEER ( ecjpake_id[ 1 - ctx->role ] )
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| 58 |
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| 59 | /*
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| 60 | * Initialize context
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| 61 | */
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| 62 | void mbedtls_ecjpake_init( mbedtls_ecjpake_context *ctx )
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| 63 | {
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| 64 | ECJPAKE_VALIDATE( ctx != NULL );
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| 65 |
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| 66 | ctx->md_info = NULL;
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| 67 | mbedtls_ecp_group_init( &ctx->grp );
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| 68 | ctx->point_format = MBEDTLS_ECP_PF_UNCOMPRESSED;
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| 69 |
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| 70 | mbedtls_ecp_point_init( &ctx->Xm1 );
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| 71 | mbedtls_ecp_point_init( &ctx->Xm2 );
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| 72 | mbedtls_ecp_point_init( &ctx->Xp1 );
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| 73 | mbedtls_ecp_point_init( &ctx->Xp2 );
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| 74 | mbedtls_ecp_point_init( &ctx->Xp );
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| 75 |
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| 76 | mbedtls_mpi_init( &ctx->xm1 );
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| 77 | mbedtls_mpi_init( &ctx->xm2 );
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| 78 | mbedtls_mpi_init( &ctx->s );
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| 79 | }
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| 80 |
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| 81 | /*
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| 82 | * Free context
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| 83 | */
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| 84 | void mbedtls_ecjpake_free( mbedtls_ecjpake_context *ctx )
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| 85 | {
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| 86 | if( ctx == NULL )
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| 87 | return;
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| 88 |
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| 89 | ctx->md_info = NULL;
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| 90 | mbedtls_ecp_group_free( &ctx->grp );
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| 91 |
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| 92 | mbedtls_ecp_point_free( &ctx->Xm1 );
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| 93 | mbedtls_ecp_point_free( &ctx->Xm2 );
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| 94 | mbedtls_ecp_point_free( &ctx->Xp1 );
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| 95 | mbedtls_ecp_point_free( &ctx->Xp2 );
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| 96 | mbedtls_ecp_point_free( &ctx->Xp );
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| 97 |
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| 98 | mbedtls_mpi_free( &ctx->xm1 );
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| 99 | mbedtls_mpi_free( &ctx->xm2 );
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| 100 | mbedtls_mpi_free( &ctx->s );
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| 101 | }
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| 102 |
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| 103 | /*
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| 104 | * Setup context
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| 105 | */
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| 106 | int mbedtls_ecjpake_setup( mbedtls_ecjpake_context *ctx,
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| 107 | mbedtls_ecjpake_role role,
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| 108 | mbedtls_md_type_t hash,
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| 109 | mbedtls_ecp_group_id curve,
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| 110 | const unsigned char *secret,
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| 111 | size_t len )
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| 112 | {
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| 113 | int ret;
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| 114 |
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| 115 | ECJPAKE_VALIDATE_RET( ctx != NULL );
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| 116 | ECJPAKE_VALIDATE_RET( role == MBEDTLS_ECJPAKE_CLIENT ||
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| 117 | role == MBEDTLS_ECJPAKE_SERVER );
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| 118 | ECJPAKE_VALIDATE_RET( secret != NULL || len == 0 );
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| 119 |
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| 120 | ctx->role = role;
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| 121 |
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| 122 | if( ( ctx->md_info = mbedtls_md_info_from_type( hash ) ) == NULL )
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| 123 | return( MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE );
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| 124 |
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| 125 | MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &ctx->grp, curve ) );
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| 126 |
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| 127 | MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &ctx->s, secret, len ) );
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| 128 |
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| 129 | cleanup:
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| 130 | if( ret != 0 )
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| 131 | mbedtls_ecjpake_free( ctx );
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| 132 |
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| 133 | return( ret );
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| 134 | }
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| 135 |
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| 136 | /*
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| 137 | * Check if context is ready for use
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| 138 | */
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| 139 | int mbedtls_ecjpake_check( const mbedtls_ecjpake_context *ctx )
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| 140 | {
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| 141 | ECJPAKE_VALIDATE_RET( ctx != NULL );
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| 142 |
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| 143 | if( ctx->md_info == NULL ||
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| 144 | ctx->grp.id == MBEDTLS_ECP_DP_NONE ||
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| 145 | ctx->s.p == NULL )
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| 146 | {
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| 147 | return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
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| 148 | }
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| 149 |
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| 150 | return( 0 );
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| 151 | }
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| 152 |
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| 153 | /*
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| 154 | * Write a point plus its length to a buffer
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| 155 | */
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| 156 | static int ecjpake_write_len_point( unsigned char **p,
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| 157 | const unsigned char *end,
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| 158 | const mbedtls_ecp_group *grp,
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| 159 | const int pf,
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| 160 | const mbedtls_ecp_point *P )
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| 161 | {
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| 162 | int ret;
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| 163 | size_t len;
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| 164 |
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| 165 | /* Need at least 4 for length plus 1 for point */
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| 166 | if( end < *p || end - *p < 5 )
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| 167 | return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
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| 168 |
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| 169 | ret = mbedtls_ecp_point_write_binary( grp, P, pf,
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| 170 | &len, *p + 4, end - ( *p + 4 ) );
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| 171 | if( ret != 0 )
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| 172 | return( ret );
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| 173 |
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| 174 | (*p)[0] = (unsigned char)( ( len >> 24 ) & 0xFF );
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| 175 | (*p)[1] = (unsigned char)( ( len >> 16 ) & 0xFF );
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| 176 | (*p)[2] = (unsigned char)( ( len >> 8 ) & 0xFF );
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| 177 | (*p)[3] = (unsigned char)( ( len ) & 0xFF );
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| 178 |
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| 179 | *p += 4 + len;
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| 180 |
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| 181 | return( 0 );
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| 182 | }
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| 183 |
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| 184 | /*
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| 185 | * Size of the temporary buffer for ecjpake_hash:
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| 186 | * 3 EC points plus their length, plus ID and its length (4 + 6 bytes)
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| 187 | */
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| 188 | #define ECJPAKE_HASH_BUF_LEN ( 3 * ( 4 + MBEDTLS_ECP_MAX_PT_LEN ) + 4 + 6 )
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| 189 |
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| 190 | /*
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| 191 | * Compute hash for ZKP (7.4.2.2.2.1)
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| 192 | */
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| 193 | static int ecjpake_hash( const mbedtls_md_info_t *md_info,
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| 194 | const mbedtls_ecp_group *grp,
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| 195 | const int pf,
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| 196 | const mbedtls_ecp_point *G,
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| 197 | const mbedtls_ecp_point *V,
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| 198 | const mbedtls_ecp_point *X,
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| 199 | const char *id,
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| 200 | mbedtls_mpi *h )
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| 201 | {
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| 202 | int ret;
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| 203 | unsigned char buf[ECJPAKE_HASH_BUF_LEN];
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| 204 | unsigned char *p = buf;
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| 205 | const unsigned char *end = buf + sizeof( buf );
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| 206 | const size_t id_len = strlen( id );
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| 207 | unsigned char hash[MBEDTLS_MD_MAX_SIZE];
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| 208 |
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| 209 | /* Write things to temporary buffer */
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| 210 | MBEDTLS_MPI_CHK( ecjpake_write_len_point( &p, end, grp, pf, G ) );
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| 211 | MBEDTLS_MPI_CHK( ecjpake_write_len_point( &p, end, grp, pf, V ) );
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| 212 | MBEDTLS_MPI_CHK( ecjpake_write_len_point( &p, end, grp, pf, X ) );
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| 213 |
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| 214 | if( end - p < 4 )
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| 215 | return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
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| 216 |
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| 217 | *p++ = (unsigned char)( ( id_len >> 24 ) & 0xFF );
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| 218 | *p++ = (unsigned char)( ( id_len >> 16 ) & 0xFF );
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| 219 | *p++ = (unsigned char)( ( id_len >> 8 ) & 0xFF );
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| 220 | *p++ = (unsigned char)( ( id_len ) & 0xFF );
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| 221 |
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| 222 | if( end < p || (size_t)( end - p ) < id_len )
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| 223 | return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
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| 224 |
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| 225 | memcpy( p, id, id_len );
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| 226 | p += id_len;
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| 227 |
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| 228 | /* Compute hash */
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| 229 | mbedtls_md( md_info, buf, p - buf, hash );
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| 230 |
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| 231 | /* Turn it into an integer mod n */
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| 232 | MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( h, hash,
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| 233 | mbedtls_md_get_size( md_info ) ) );
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| 234 | MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( h, h, &grp->N ) );
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| 235 |
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| 236 | cleanup:
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| 237 | return( ret );
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| 238 | }
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| 239 |
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| 240 | /*
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| 241 | * Parse a ECShnorrZKP (7.4.2.2.2) and verify it (7.4.2.3.3)
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| 242 | */
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| 243 | static int ecjpake_zkp_read( const mbedtls_md_info_t *md_info,
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| 244 | const mbedtls_ecp_group *grp,
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| 245 | const int pf,
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| 246 | const mbedtls_ecp_point *G,
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| 247 | const mbedtls_ecp_point *X,
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| 248 | const char *id,
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| 249 | const unsigned char **p,
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| 250 | const unsigned char *end )
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| 251 | {
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| 252 | int ret;
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| 253 | mbedtls_ecp_point V, VV;
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| 254 | mbedtls_mpi r, h;
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| 255 | size_t r_len;
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| 256 |
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| 257 | mbedtls_ecp_point_init( &V );
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| 258 | mbedtls_ecp_point_init( &VV );
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| 259 | mbedtls_mpi_init( &r );
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| 260 | mbedtls_mpi_init( &h );
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| 261 |
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| 262 | /*
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| 263 | * struct {
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| 264 | * ECPoint V;
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| 265 | * opaque r<1..2^8-1>;
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| 266 | * } ECSchnorrZKP;
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| 267 | */
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| 268 | if( end < *p )
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| 269 | return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
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| 270 |
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| 271 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_read_point( grp, &V, p, end - *p ) );
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| 272 |
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| 273 | if( end < *p || (size_t)( end - *p ) < 1 )
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| 274 | {
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| 275 | ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
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| 276 | goto cleanup;
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| 277 | }
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| 278 |
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| 279 | r_len = *(*p)++;
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| 280 |
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| 281 | if( end < *p || (size_t)( end - *p ) < r_len )
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| 282 | {
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| 283 | ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
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| 284 | goto cleanup;
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| 285 | }
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| 286 |
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| 287 | MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &r, *p, r_len ) );
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| 288 | *p += r_len;
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| 289 |
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| 290 | /*
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| 291 | * Verification
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| 292 | */
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| 293 | MBEDTLS_MPI_CHK( ecjpake_hash( md_info, grp, pf, G, &V, X, id, &h ) );
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| 294 | MBEDTLS_MPI_CHK( mbedtls_ecp_muladd( (mbedtls_ecp_group *) grp,
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| 295 | &VV, &h, X, &r, G ) );
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| 296 |
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| 297 | if( mbedtls_ecp_point_cmp( &VV, &V ) != 0 )
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| 298 | {
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| 299 | ret = MBEDTLS_ERR_ECP_VERIFY_FAILED;
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| 300 | goto cleanup;
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| 301 | }
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| 302 |
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| 303 | cleanup:
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| 304 | mbedtls_ecp_point_free( &V );
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| 305 | mbedtls_ecp_point_free( &VV );
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| 306 | mbedtls_mpi_free( &r );
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| 307 | mbedtls_mpi_free( &h );
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| 308 |
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| 309 | return( ret );
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| 310 | }
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| 311 |
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| 312 | /*
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| 313 | * Generate ZKP (7.4.2.3.2) and write it as ECSchnorrZKP (7.4.2.2.2)
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| 314 | */
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| 315 | static int ecjpake_zkp_write( const mbedtls_md_info_t *md_info,
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| 316 | const mbedtls_ecp_group *grp,
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| 317 | const int pf,
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| 318 | const mbedtls_ecp_point *G,
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| 319 | const mbedtls_mpi *x,
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| 320 | const mbedtls_ecp_point *X,
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| 321 | const char *id,
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| 322 | unsigned char **p,
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| 323 | const unsigned char *end,
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| 324 | int (*f_rng)(void *, unsigned char *, size_t),
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| 325 | void *p_rng )
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| 326 | {
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| 327 | int ret;
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| 328 | mbedtls_ecp_point V;
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| 329 | mbedtls_mpi v;
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| 330 | mbedtls_mpi h; /* later recycled to hold r */
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| 331 | size_t len;
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| 332 |
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| 333 | if( end < *p )
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| 334 | return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
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| 335 |
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| 336 | mbedtls_ecp_point_init( &V );
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| 337 | mbedtls_mpi_init( &v );
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| 338 | mbedtls_mpi_init( &h );
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| 339 |
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| 340 | /* Compute signature */
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| 341 | MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair_base( (mbedtls_ecp_group *) grp,
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| 342 | G, &v, &V, f_rng, p_rng ) );
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| 343 | MBEDTLS_MPI_CHK( ecjpake_hash( md_info, grp, pf, G, &V, X, id, &h ) );
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| 344 | MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &h, &h, x ) ); /* x*h */
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| 345 | MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( &h, &v, &h ) ); /* v - x*h */
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| 346 | MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( &h, &h, &grp->N ) ); /* r */
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| 347 |
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| 348 | /* Write it out */
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| 349 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_write_point( grp, &V,
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| 350 | pf, &len, *p, end - *p ) );
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| 351 | *p += len;
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| 352 |
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| 353 | len = mbedtls_mpi_size( &h ); /* actually r */
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| 354 | if( end < *p || (size_t)( end - *p ) < 1 + len || len > 255 )
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| 355 | {
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| 356 | ret = MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
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| 357 | goto cleanup;
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| 358 | }
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| 359 |
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| 360 | *(*p)++ = (unsigned char)( len & 0xFF );
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| 361 | MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &h, *p, len ) ); /* r */
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| 362 | *p += len;
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| 363 |
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| 364 | cleanup:
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| 365 | mbedtls_ecp_point_free( &V );
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| 366 | mbedtls_mpi_free( &v );
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| 367 | mbedtls_mpi_free( &h );
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| 368 |
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| 369 | return( ret );
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| 370 | }
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| 371 |
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| 372 | /*
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| 373 | * Parse a ECJPAKEKeyKP (7.4.2.2.1) and check proof
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| 374 | * Output: verified public key X
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| 375 | */
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| 376 | static int ecjpake_kkp_read( const mbedtls_md_info_t *md_info,
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| 377 | const mbedtls_ecp_group *grp,
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| 378 | const int pf,
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| 379 | const mbedtls_ecp_point *G,
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| 380 | mbedtls_ecp_point *X,
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| 381 | const char *id,
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| 382 | const unsigned char **p,
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| 383 | const unsigned char *end )
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| 384 | {
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| 385 | int ret;
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| 386 |
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| 387 | if( end < *p )
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| 388 | return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
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| 389 |
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| 390 | /*
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| 391 | * struct {
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| 392 | * ECPoint X;
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| 393 | * ECSchnorrZKP zkp;
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| 394 | * } ECJPAKEKeyKP;
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| 395 | */
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| 396 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_read_point( grp, X, p, end - *p ) );
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| 397 | if( mbedtls_ecp_is_zero( X ) )
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| 398 | {
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| 399 | ret = MBEDTLS_ERR_ECP_INVALID_KEY;
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| 400 | goto cleanup;
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| 401 | }
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| 402 |
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| 403 | MBEDTLS_MPI_CHK( ecjpake_zkp_read( md_info, grp, pf, G, X, id, p, end ) );
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| 404 |
|
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| 405 | cleanup:
|
---|
| 406 | return( ret );
|
---|
| 407 | }
|
---|
| 408 |
|
---|
| 409 | /*
|
---|
| 410 | * Generate an ECJPAKEKeyKP
|
---|
| 411 | * Output: the serialized structure, plus private/public key pair
|
---|
| 412 | */
|
---|
| 413 | static int ecjpake_kkp_write( const mbedtls_md_info_t *md_info,
|
---|
| 414 | const mbedtls_ecp_group *grp,
|
---|
| 415 | const int pf,
|
---|
| 416 | const mbedtls_ecp_point *G,
|
---|
| 417 | mbedtls_mpi *x,
|
---|
| 418 | mbedtls_ecp_point *X,
|
---|
| 419 | const char *id,
|
---|
| 420 | unsigned char **p,
|
---|
| 421 | const unsigned char *end,
|
---|
| 422 | int (*f_rng)(void *, unsigned char *, size_t),
|
---|
| 423 | void *p_rng )
|
---|
| 424 | {
|
---|
| 425 | int ret;
|
---|
| 426 | size_t len;
|
---|
| 427 |
|
---|
| 428 | if( end < *p )
|
---|
| 429 | return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
|
---|
| 430 |
|
---|
| 431 | /* Generate key (7.4.2.3.1) and write it out */
|
---|
| 432 | MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair_base( (mbedtls_ecp_group *) grp, G, x, X,
|
---|
| 433 | f_rng, p_rng ) );
|
---|
| 434 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_write_point( grp, X,
|
---|
| 435 | pf, &len, *p, end - *p ) );
|
---|
| 436 | *p += len;
|
---|
| 437 |
|
---|
| 438 | /* Generate and write proof */
|
---|
| 439 | MBEDTLS_MPI_CHK( ecjpake_zkp_write( md_info, grp, pf, G, x, X, id,
|
---|
| 440 | p, end, f_rng, p_rng ) );
|
---|
| 441 |
|
---|
| 442 | cleanup:
|
---|
| 443 | return( ret );
|
---|
| 444 | }
|
---|
| 445 |
|
---|
| 446 | /*
|
---|
| 447 | * Read a ECJPAKEKeyKPPairList (7.4.2.3) and check proofs
|
---|
| 448 | * Ouputs: verified peer public keys Xa, Xb
|
---|
| 449 | */
|
---|
| 450 | static int ecjpake_kkpp_read( const mbedtls_md_info_t *md_info,
|
---|
| 451 | const mbedtls_ecp_group *grp,
|
---|
| 452 | const int pf,
|
---|
| 453 | const mbedtls_ecp_point *G,
|
---|
| 454 | mbedtls_ecp_point *Xa,
|
---|
| 455 | mbedtls_ecp_point *Xb,
|
---|
| 456 | const char *id,
|
---|
| 457 | const unsigned char *buf,
|
---|
| 458 | size_t len )
|
---|
| 459 | {
|
---|
| 460 | int ret;
|
---|
| 461 | const unsigned char *p = buf;
|
---|
| 462 | const unsigned char *end = buf + len;
|
---|
| 463 |
|
---|
| 464 | /*
|
---|
| 465 | * struct {
|
---|
| 466 | * ECJPAKEKeyKP ecjpake_key_kp_pair_list[2];
|
---|
| 467 | * } ECJPAKEKeyKPPairList;
|
---|
| 468 | */
|
---|
| 469 | MBEDTLS_MPI_CHK( ecjpake_kkp_read( md_info, grp, pf, G, Xa, id, &p, end ) );
|
---|
| 470 | MBEDTLS_MPI_CHK( ecjpake_kkp_read( md_info, grp, pf, G, Xb, id, &p, end ) );
|
---|
| 471 |
|
---|
| 472 | if( p != end )
|
---|
| 473 | ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
|
---|
| 474 |
|
---|
| 475 | cleanup:
|
---|
| 476 | return( ret );
|
---|
| 477 | }
|
---|
| 478 |
|
---|
| 479 | /*
|
---|
| 480 | * Generate a ECJPAKEKeyKPPairList
|
---|
| 481 | * Outputs: the serialized structure, plus two private/public key pairs
|
---|
| 482 | */
|
---|
| 483 | static int ecjpake_kkpp_write( const mbedtls_md_info_t *md_info,
|
---|
| 484 | const mbedtls_ecp_group *grp,
|
---|
| 485 | const int pf,
|
---|
| 486 | const mbedtls_ecp_point *G,
|
---|
| 487 | mbedtls_mpi *xm1,
|
---|
| 488 | mbedtls_ecp_point *Xa,
|
---|
| 489 | mbedtls_mpi *xm2,
|
---|
| 490 | mbedtls_ecp_point *Xb,
|
---|
| 491 | const char *id,
|
---|
| 492 | unsigned char *buf,
|
---|
| 493 | size_t len,
|
---|
| 494 | size_t *olen,
|
---|
| 495 | int (*f_rng)(void *, unsigned char *, size_t),
|
---|
| 496 | void *p_rng )
|
---|
| 497 | {
|
---|
| 498 | int ret;
|
---|
| 499 | unsigned char *p = buf;
|
---|
| 500 | const unsigned char *end = buf + len;
|
---|
| 501 |
|
---|
| 502 | MBEDTLS_MPI_CHK( ecjpake_kkp_write( md_info, grp, pf, G, xm1, Xa, id,
|
---|
| 503 | &p, end, f_rng, p_rng ) );
|
---|
| 504 | MBEDTLS_MPI_CHK( ecjpake_kkp_write( md_info, grp, pf, G, xm2, Xb, id,
|
---|
| 505 | &p, end, f_rng, p_rng ) );
|
---|
| 506 |
|
---|
| 507 | *olen = p - buf;
|
---|
| 508 |
|
---|
| 509 | cleanup:
|
---|
| 510 | return( ret );
|
---|
| 511 | }
|
---|
| 512 |
|
---|
| 513 | /*
|
---|
| 514 | * Read and process the first round message
|
---|
| 515 | */
|
---|
| 516 | int mbedtls_ecjpake_read_round_one( mbedtls_ecjpake_context *ctx,
|
---|
| 517 | const unsigned char *buf,
|
---|
| 518 | size_t len )
|
---|
| 519 | {
|
---|
| 520 | ECJPAKE_VALIDATE_RET( ctx != NULL );
|
---|
| 521 | ECJPAKE_VALIDATE_RET( buf != NULL );
|
---|
| 522 |
|
---|
| 523 | return( ecjpake_kkpp_read( ctx->md_info, &ctx->grp, ctx->point_format,
|
---|
| 524 | &ctx->grp.G,
|
---|
| 525 | &ctx->Xp1, &ctx->Xp2, ID_PEER,
|
---|
| 526 | buf, len ) );
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | /*
|
---|
| 530 | * Generate and write the first round message
|
---|
| 531 | */
|
---|
| 532 | int mbedtls_ecjpake_write_round_one( mbedtls_ecjpake_context *ctx,
|
---|
| 533 | unsigned char *buf, size_t len, size_t *olen,
|
---|
| 534 | int (*f_rng)(void *, unsigned char *, size_t),
|
---|
| 535 | void *p_rng )
|
---|
| 536 | {
|
---|
| 537 | ECJPAKE_VALIDATE_RET( ctx != NULL );
|
---|
| 538 | ECJPAKE_VALIDATE_RET( buf != NULL );
|
---|
| 539 | ECJPAKE_VALIDATE_RET( olen != NULL );
|
---|
| 540 | ECJPAKE_VALIDATE_RET( f_rng != NULL );
|
---|
| 541 |
|
---|
| 542 | return( ecjpake_kkpp_write( ctx->md_info, &ctx->grp, ctx->point_format,
|
---|
| 543 | &ctx->grp.G,
|
---|
| 544 | &ctx->xm1, &ctx->Xm1, &ctx->xm2, &ctx->Xm2,
|
---|
| 545 | ID_MINE, buf, len, olen, f_rng, p_rng ) );
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | /*
|
---|
| 549 | * Compute the sum of three points R = A + B + C
|
---|
| 550 | */
|
---|
| 551 | static int ecjpake_ecp_add3( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
|
---|
| 552 | const mbedtls_ecp_point *A,
|
---|
| 553 | const mbedtls_ecp_point *B,
|
---|
| 554 | const mbedtls_ecp_point *C )
|
---|
| 555 | {
|
---|
| 556 | int ret;
|
---|
| 557 | mbedtls_mpi one;
|
---|
| 558 |
|
---|
| 559 | mbedtls_mpi_init( &one );
|
---|
| 560 |
|
---|
| 561 | MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &one, 1 ) );
|
---|
| 562 | MBEDTLS_MPI_CHK( mbedtls_ecp_muladd( grp, R, &one, A, &one, B ) );
|
---|
| 563 | MBEDTLS_MPI_CHK( mbedtls_ecp_muladd( grp, R, &one, R, &one, C ) );
|
---|
| 564 |
|
---|
| 565 | cleanup:
|
---|
| 566 | mbedtls_mpi_free( &one );
|
---|
| 567 |
|
---|
| 568 | return( ret );
|
---|
| 569 | }
|
---|
| 570 |
|
---|
| 571 | /*
|
---|
| 572 | * Read and process second round message (C: 7.4.2.5, S: 7.4.2.6)
|
---|
| 573 | */
|
---|
| 574 | int mbedtls_ecjpake_read_round_two( mbedtls_ecjpake_context *ctx,
|
---|
| 575 | const unsigned char *buf,
|
---|
| 576 | size_t len )
|
---|
| 577 | {
|
---|
| 578 | int ret;
|
---|
| 579 | const unsigned char *p = buf;
|
---|
| 580 | const unsigned char *end = buf + len;
|
---|
| 581 | mbedtls_ecp_group grp;
|
---|
| 582 | mbedtls_ecp_point G; /* C: GB, S: GA */
|
---|
| 583 |
|
---|
| 584 | ECJPAKE_VALIDATE_RET( ctx != NULL );
|
---|
| 585 | ECJPAKE_VALIDATE_RET( buf != NULL );
|
---|
| 586 |
|
---|
| 587 | mbedtls_ecp_group_init( &grp );
|
---|
| 588 | mbedtls_ecp_point_init( &G );
|
---|
| 589 |
|
---|
| 590 | /*
|
---|
| 591 | * Server: GA = X3 + X4 + X1 (7.4.2.6.1)
|
---|
| 592 | * Client: GB = X1 + X2 + X3 (7.4.2.5.1)
|
---|
| 593 | * Unified: G = Xm1 + Xm2 + Xp1
|
---|
| 594 | * We need that before parsing in order to check Xp as we read it
|
---|
| 595 | */
|
---|
| 596 | MBEDTLS_MPI_CHK( ecjpake_ecp_add3( &ctx->grp, &G,
|
---|
| 597 | &ctx->Xm1, &ctx->Xm2, &ctx->Xp1 ) );
|
---|
| 598 |
|
---|
| 599 | /*
|
---|
| 600 | * struct {
|
---|
| 601 | * ECParameters curve_params; // only client reading server msg
|
---|
| 602 | * ECJPAKEKeyKP ecjpake_key_kp;
|
---|
| 603 | * } Client/ServerECJPAKEParams;
|
---|
| 604 | */
|
---|
| 605 | if( ctx->role == MBEDTLS_ECJPAKE_CLIENT )
|
---|
| 606 | {
|
---|
| 607 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_read_group( &grp, &p, len ) );
|
---|
| 608 | if( grp.id != ctx->grp.id )
|
---|
| 609 | {
|
---|
| 610 | ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
|
---|
| 611 | goto cleanup;
|
---|
| 612 | }
|
---|
| 613 | }
|
---|
| 614 |
|
---|
| 615 | MBEDTLS_MPI_CHK( ecjpake_kkp_read( ctx->md_info, &ctx->grp,
|
---|
| 616 | ctx->point_format,
|
---|
| 617 | &G, &ctx->Xp, ID_PEER, &p, end ) );
|
---|
| 618 |
|
---|
| 619 | if( p != end )
|
---|
| 620 | {
|
---|
| 621 | ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
|
---|
| 622 | goto cleanup;
|
---|
| 623 | }
|
---|
| 624 |
|
---|
| 625 | cleanup:
|
---|
| 626 | mbedtls_ecp_group_free( &grp );
|
---|
| 627 | mbedtls_ecp_point_free( &G );
|
---|
| 628 |
|
---|
| 629 | return( ret );
|
---|
| 630 | }
|
---|
| 631 |
|
---|
| 632 | /*
|
---|
| 633 | * Compute R = +/- X * S mod N, taking care not to leak S
|
---|
| 634 | */
|
---|
| 635 | static int ecjpake_mul_secret( mbedtls_mpi *R, int sign,
|
---|
| 636 | const mbedtls_mpi *X,
|
---|
| 637 | const mbedtls_mpi *S,
|
---|
| 638 | const mbedtls_mpi *N,
|
---|
| 639 | int (*f_rng)(void *, unsigned char *, size_t),
|
---|
| 640 | void *p_rng )
|
---|
| 641 | {
|
---|
| 642 | int ret;
|
---|
| 643 | mbedtls_mpi b; /* Blinding value, then s + N * blinding */
|
---|
| 644 |
|
---|
| 645 | mbedtls_mpi_init( &b );
|
---|
| 646 |
|
---|
| 647 | /* b = s + rnd-128-bit * N */
|
---|
| 648 | MBEDTLS_MPI_CHK( mbedtls_mpi_fill_random( &b, 16, f_rng, p_rng ) );
|
---|
| 649 | MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &b, &b, N ) );
|
---|
| 650 | MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( &b, &b, S ) );
|
---|
| 651 |
|
---|
| 652 | /* R = sign * X * b mod N */
|
---|
| 653 | MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( R, X, &b ) );
|
---|
| 654 | R->s *= sign;
|
---|
| 655 | MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( R, R, N ) );
|
---|
| 656 |
|
---|
| 657 | cleanup:
|
---|
| 658 | mbedtls_mpi_free( &b );
|
---|
| 659 |
|
---|
| 660 | return( ret );
|
---|
| 661 | }
|
---|
| 662 |
|
---|
| 663 | /*
|
---|
| 664 | * Generate and write the second round message (S: 7.4.2.5, C: 7.4.2.6)
|
---|
| 665 | */
|
---|
| 666 | int mbedtls_ecjpake_write_round_two( mbedtls_ecjpake_context *ctx,
|
---|
| 667 | unsigned char *buf, size_t len, size_t *olen,
|
---|
| 668 | int (*f_rng)(void *, unsigned char *, size_t),
|
---|
| 669 | void *p_rng )
|
---|
| 670 | {
|
---|
| 671 | int ret;
|
---|
| 672 | mbedtls_ecp_point G; /* C: GA, S: GB */
|
---|
| 673 | mbedtls_ecp_point Xm; /* C: Xc, S: Xs */
|
---|
| 674 | mbedtls_mpi xm; /* C: xc, S: xs */
|
---|
| 675 | unsigned char *p = buf;
|
---|
| 676 | const unsigned char *end = buf + len;
|
---|
| 677 | size_t ec_len;
|
---|
| 678 |
|
---|
| 679 | ECJPAKE_VALIDATE_RET( ctx != NULL );
|
---|
| 680 | ECJPAKE_VALIDATE_RET( buf != NULL );
|
---|
| 681 | ECJPAKE_VALIDATE_RET( olen != NULL );
|
---|
| 682 | ECJPAKE_VALIDATE_RET( f_rng != NULL );
|
---|
| 683 |
|
---|
| 684 | mbedtls_ecp_point_init( &G );
|
---|
| 685 | mbedtls_ecp_point_init( &Xm );
|
---|
| 686 | mbedtls_mpi_init( &xm );
|
---|
| 687 |
|
---|
| 688 | /*
|
---|
| 689 | * First generate private/public key pair (S: 7.4.2.5.1, C: 7.4.2.6.1)
|
---|
| 690 | *
|
---|
| 691 | * Client: GA = X1 + X3 + X4 | xs = x2 * s | Xc = xc * GA
|
---|
| 692 | * Server: GB = X3 + X1 + X2 | xs = x4 * s | Xs = xs * GB
|
---|
| 693 | * Unified: G = Xm1 + Xp1 + Xp2 | xm = xm2 * s | Xm = xm * G
|
---|
| 694 | */
|
---|
| 695 | MBEDTLS_MPI_CHK( ecjpake_ecp_add3( &ctx->grp, &G,
|
---|
| 696 | &ctx->Xp1, &ctx->Xp2, &ctx->Xm1 ) );
|
---|
| 697 | MBEDTLS_MPI_CHK( ecjpake_mul_secret( &xm, 1, &ctx->xm2, &ctx->s,
|
---|
| 698 | &ctx->grp.N, f_rng, p_rng ) );
|
---|
| 699 | MBEDTLS_MPI_CHK( mbedtls_ecp_mul( &ctx->grp, &Xm, &xm, &G, f_rng, p_rng ) );
|
---|
| 700 |
|
---|
| 701 | /*
|
---|
| 702 | * Now write things out
|
---|
| 703 | *
|
---|
| 704 | * struct {
|
---|
| 705 | * ECParameters curve_params; // only server writing its message
|
---|
| 706 | * ECJPAKEKeyKP ecjpake_key_kp;
|
---|
| 707 | * } Client/ServerECJPAKEParams;
|
---|
| 708 | */
|
---|
| 709 | if( ctx->role == MBEDTLS_ECJPAKE_SERVER )
|
---|
| 710 | {
|
---|
| 711 | if( end < p )
|
---|
| 712 | {
|
---|
| 713 | ret = MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
|
---|
| 714 | goto cleanup;
|
---|
| 715 | }
|
---|
| 716 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_write_group( &ctx->grp, &ec_len,
|
---|
| 717 | p, end - p ) );
|
---|
| 718 | p += ec_len;
|
---|
| 719 | }
|
---|
| 720 |
|
---|
| 721 | if( end < p )
|
---|
| 722 | {
|
---|
| 723 | ret = MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
|
---|
| 724 | goto cleanup;
|
---|
| 725 | }
|
---|
| 726 | MBEDTLS_MPI_CHK( mbedtls_ecp_tls_write_point( &ctx->grp, &Xm,
|
---|
| 727 | ctx->point_format, &ec_len, p, end - p ) );
|
---|
| 728 | p += ec_len;
|
---|
| 729 |
|
---|
| 730 | MBEDTLS_MPI_CHK( ecjpake_zkp_write( ctx->md_info, &ctx->grp,
|
---|
| 731 | ctx->point_format,
|
---|
| 732 | &G, &xm, &Xm, ID_MINE,
|
---|
| 733 | &p, end, f_rng, p_rng ) );
|
---|
| 734 |
|
---|
| 735 | *olen = p - buf;
|
---|
| 736 |
|
---|
| 737 | cleanup:
|
---|
| 738 | mbedtls_ecp_point_free( &G );
|
---|
| 739 | mbedtls_ecp_point_free( &Xm );
|
---|
| 740 | mbedtls_mpi_free( &xm );
|
---|
| 741 |
|
---|
| 742 | return( ret );
|
---|
| 743 | }
|
---|
| 744 |
|
---|
| 745 | /*
|
---|
| 746 | * Derive PMS (7.4.2.7 / 7.4.2.8)
|
---|
| 747 | */
|
---|
| 748 | int mbedtls_ecjpake_derive_secret( mbedtls_ecjpake_context *ctx,
|
---|
| 749 | unsigned char *buf, size_t len, size_t *olen,
|
---|
| 750 | int (*f_rng)(void *, unsigned char *, size_t),
|
---|
| 751 | void *p_rng )
|
---|
| 752 | {
|
---|
| 753 | int ret;
|
---|
| 754 | mbedtls_ecp_point K;
|
---|
| 755 | mbedtls_mpi m_xm2_s, one;
|
---|
| 756 | unsigned char kx[MBEDTLS_ECP_MAX_BYTES];
|
---|
| 757 | size_t x_bytes;
|
---|
| 758 |
|
---|
| 759 | ECJPAKE_VALIDATE_RET( ctx != NULL );
|
---|
| 760 | ECJPAKE_VALIDATE_RET( buf != NULL );
|
---|
| 761 | ECJPAKE_VALIDATE_RET( olen != NULL );
|
---|
| 762 | ECJPAKE_VALIDATE_RET( f_rng != NULL );
|
---|
| 763 |
|
---|
| 764 | *olen = mbedtls_md_get_size( ctx->md_info );
|
---|
| 765 | if( len < *olen )
|
---|
| 766 | return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
|
---|
| 767 |
|
---|
| 768 | mbedtls_ecp_point_init( &K );
|
---|
| 769 | mbedtls_mpi_init( &m_xm2_s );
|
---|
| 770 | mbedtls_mpi_init( &one );
|
---|
| 771 |
|
---|
| 772 | MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &one, 1 ) );
|
---|
| 773 |
|
---|
| 774 | /*
|
---|
| 775 | * Client: K = ( Xs - X4 * x2 * s ) * x2
|
---|
| 776 | * Server: K = ( Xc - X2 * x4 * s ) * x4
|
---|
| 777 | * Unified: K = ( Xp - Xp2 * xm2 * s ) * xm2
|
---|
| 778 | */
|
---|
| 779 | MBEDTLS_MPI_CHK( ecjpake_mul_secret( &m_xm2_s, -1, &ctx->xm2, &ctx->s,
|
---|
| 780 | &ctx->grp.N, f_rng, p_rng ) );
|
---|
| 781 | MBEDTLS_MPI_CHK( mbedtls_ecp_muladd( &ctx->grp, &K,
|
---|
| 782 | &one, &ctx->Xp,
|
---|
| 783 | &m_xm2_s, &ctx->Xp2 ) );
|
---|
| 784 | MBEDTLS_MPI_CHK( mbedtls_ecp_mul( &ctx->grp, &K, &ctx->xm2, &K,
|
---|
| 785 | f_rng, p_rng ) );
|
---|
| 786 |
|
---|
| 787 | /* PMS = SHA-256( K.X ) */
|
---|
| 788 | x_bytes = ( ctx->grp.pbits + 7 ) / 8;
|
---|
| 789 | MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &K.X, kx, x_bytes ) );
|
---|
| 790 | MBEDTLS_MPI_CHK( mbedtls_md( ctx->md_info, kx, x_bytes, buf ) );
|
---|
| 791 |
|
---|
| 792 | cleanup:
|
---|
| 793 | mbedtls_ecp_point_free( &K );
|
---|
| 794 | mbedtls_mpi_free( &m_xm2_s );
|
---|
| 795 | mbedtls_mpi_free( &one );
|
---|
| 796 |
|
---|
| 797 | return( ret );
|
---|
| 798 | }
|
---|
| 799 |
|
---|
| 800 | #undef ID_MINE
|
---|
| 801 | #undef ID_PEER
|
---|
| 802 |
|
---|
| 803 | #endif /* ! MBEDTLS_ECJPAKE_ALT */
|
---|
| 804 |
|
---|
| 805 | #if defined(MBEDTLS_SELF_TEST)
|
---|
| 806 |
|
---|
| 807 | #if defined(MBEDTLS_PLATFORM_C)
|
---|
| 808 | #include "mbedtls/platform.h"
|
---|
| 809 | #else
|
---|
| 810 | #include <stdio.h>
|
---|
| 811 | #define mbedtls_printf printf
|
---|
| 812 | #endif
|
---|
| 813 |
|
---|
| 814 | #if !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) || \
|
---|
| 815 | !defined(MBEDTLS_SHA256_C)
|
---|
| 816 | int mbedtls_ecjpake_self_test( int verbose )
|
---|
| 817 | {
|
---|
| 818 | (void) verbose;
|
---|
| 819 | return( 0 );
|
---|
| 820 | }
|
---|
| 821 | #else
|
---|
| 822 |
|
---|
| 823 | static const unsigned char ecjpake_test_password[] = {
|
---|
| 824 | 0x74, 0x68, 0x72, 0x65, 0x61, 0x64, 0x6a, 0x70, 0x61, 0x6b, 0x65, 0x74,
|
---|
| 825 | 0x65, 0x73, 0x74
|
---|
| 826 | };
|
---|
| 827 |
|
---|
| 828 | static const unsigned char ecjpake_test_x1[] = {
|
---|
| 829 | 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
|
---|
| 830 | 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
|
---|
| 831 | 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x21
|
---|
| 832 | };
|
---|
| 833 |
|
---|
| 834 | static const unsigned char ecjpake_test_x2[] = {
|
---|
| 835 | 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c,
|
---|
| 836 | 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
|
---|
| 837 | 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x81
|
---|
| 838 | };
|
---|
| 839 |
|
---|
| 840 | static const unsigned char ecjpake_test_x3[] = {
|
---|
| 841 | 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c,
|
---|
| 842 | 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
|
---|
| 843 | 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x81
|
---|
| 844 | };
|
---|
| 845 |
|
---|
| 846 | static const unsigned char ecjpake_test_x4[] = {
|
---|
| 847 | 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc,
|
---|
| 848 | 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8,
|
---|
| 849 | 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe1
|
---|
| 850 | };
|
---|
| 851 |
|
---|
| 852 | static const unsigned char ecjpake_test_cli_one[] = {
|
---|
| 853 | 0x41, 0x04, 0xac, 0xcf, 0x01, 0x06, 0xef, 0x85, 0x8f, 0xa2, 0xd9, 0x19,
|
---|
| 854 | 0x33, 0x13, 0x46, 0x80, 0x5a, 0x78, 0xb5, 0x8b, 0xba, 0xd0, 0xb8, 0x44,
|
---|
| 855 | 0xe5, 0xc7, 0x89, 0x28, 0x79, 0x14, 0x61, 0x87, 0xdd, 0x26, 0x66, 0xad,
|
---|
| 856 | 0xa7, 0x81, 0xbb, 0x7f, 0x11, 0x13, 0x72, 0x25, 0x1a, 0x89, 0x10, 0x62,
|
---|
| 857 | 0x1f, 0x63, 0x4d, 0xf1, 0x28, 0xac, 0x48, 0xe3, 0x81, 0xfd, 0x6e, 0xf9,
|
---|
| 858 | 0x06, 0x07, 0x31, 0xf6, 0x94, 0xa4, 0x41, 0x04, 0x1d, 0xd0, 0xbd, 0x5d,
|
---|
| 859 | 0x45, 0x66, 0xc9, 0xbe, 0xd9, 0xce, 0x7d, 0xe7, 0x01, 0xb5, 0xe8, 0x2e,
|
---|
| 860 | 0x08, 0xe8, 0x4b, 0x73, 0x04, 0x66, 0x01, 0x8a, 0xb9, 0x03, 0xc7, 0x9e,
|
---|
| 861 | 0xb9, 0x82, 0x17, 0x22, 0x36, 0xc0, 0xc1, 0x72, 0x8a, 0xe4, 0xbf, 0x73,
|
---|
| 862 | 0x61, 0x0d, 0x34, 0xde, 0x44, 0x24, 0x6e, 0xf3, 0xd9, 0xc0, 0x5a, 0x22,
|
---|
| 863 | 0x36, 0xfb, 0x66, 0xa6, 0x58, 0x3d, 0x74, 0x49, 0x30, 0x8b, 0xab, 0xce,
|
---|
| 864 | 0x20, 0x72, 0xfe, 0x16, 0x66, 0x29, 0x92, 0xe9, 0x23, 0x5c, 0x25, 0x00,
|
---|
| 865 | 0x2f, 0x11, 0xb1, 0x50, 0x87, 0xb8, 0x27, 0x38, 0xe0, 0x3c, 0x94, 0x5b,
|
---|
| 866 | 0xf7, 0xa2, 0x99, 0x5d, 0xda, 0x1e, 0x98, 0x34, 0x58, 0x41, 0x04, 0x7e,
|
---|
| 867 | 0xa6, 0xe3, 0xa4, 0x48, 0x70, 0x37, 0xa9, 0xe0, 0xdb, 0xd7, 0x92, 0x62,
|
---|
| 868 | 0xb2, 0xcc, 0x27, 0x3e, 0x77, 0x99, 0x30, 0xfc, 0x18, 0x40, 0x9a, 0xc5,
|
---|
| 869 | 0x36, 0x1c, 0x5f, 0xe6, 0x69, 0xd7, 0x02, 0xe1, 0x47, 0x79, 0x0a, 0xeb,
|
---|
| 870 | 0x4c, 0xe7, 0xfd, 0x65, 0x75, 0xab, 0x0f, 0x6c, 0x7f, 0xd1, 0xc3, 0x35,
|
---|
| 871 | 0x93, 0x9a, 0xa8, 0x63, 0xba, 0x37, 0xec, 0x91, 0xb7, 0xe3, 0x2b, 0xb0,
|
---|
| 872 | 0x13, 0xbb, 0x2b, 0x41, 0x04, 0xa4, 0x95, 0x58, 0xd3, 0x2e, 0xd1, 0xeb,
|
---|
| 873 | 0xfc, 0x18, 0x16, 0xaf, 0x4f, 0xf0, 0x9b, 0x55, 0xfc, 0xb4, 0xca, 0x47,
|
---|
| 874 | 0xb2, 0xa0, 0x2d, 0x1e, 0x7c, 0xaf, 0x11, 0x79, 0xea, 0x3f, 0xe1, 0x39,
|
---|
| 875 | 0x5b, 0x22, 0xb8, 0x61, 0x96, 0x40, 0x16, 0xfa, 0xba, 0xf7, 0x2c, 0x97,
|
---|
| 876 | 0x56, 0x95, 0xd9, 0x3d, 0x4d, 0xf0, 0xe5, 0x19, 0x7f, 0xe9, 0xf0, 0x40,
|
---|
| 877 | 0x63, 0x4e, 0xd5, 0x97, 0x64, 0x93, 0x77, 0x87, 0xbe, 0x20, 0xbc, 0x4d,
|
---|
| 878 | 0xee, 0xbb, 0xf9, 0xb8, 0xd6, 0x0a, 0x33, 0x5f, 0x04, 0x6c, 0xa3, 0xaa,
|
---|
| 879 | 0x94, 0x1e, 0x45, 0x86, 0x4c, 0x7c, 0xad, 0xef, 0x9c, 0xf7, 0x5b, 0x3d,
|
---|
| 880 | 0x8b, 0x01, 0x0e, 0x44, 0x3e, 0xf0
|
---|
| 881 | };
|
---|
| 882 |
|
---|
| 883 | static const unsigned char ecjpake_test_srv_one[] = {
|
---|
| 884 | 0x41, 0x04, 0x7e, 0xa6, 0xe3, 0xa4, 0x48, 0x70, 0x37, 0xa9, 0xe0, 0xdb,
|
---|
| 885 | 0xd7, 0x92, 0x62, 0xb2, 0xcc, 0x27, 0x3e, 0x77, 0x99, 0x30, 0xfc, 0x18,
|
---|
| 886 | 0x40, 0x9a, 0xc5, 0x36, 0x1c, 0x5f, 0xe6, 0x69, 0xd7, 0x02, 0xe1, 0x47,
|
---|
| 887 | 0x79, 0x0a, 0xeb, 0x4c, 0xe7, 0xfd, 0x65, 0x75, 0xab, 0x0f, 0x6c, 0x7f,
|
---|
| 888 | 0xd1, 0xc3, 0x35, 0x93, 0x9a, 0xa8, 0x63, 0xba, 0x37, 0xec, 0x91, 0xb7,
|
---|
| 889 | 0xe3, 0x2b, 0xb0, 0x13, 0xbb, 0x2b, 0x41, 0x04, 0x09, 0xf8, 0x5b, 0x3d,
|
---|
| 890 | 0x20, 0xeb, 0xd7, 0x88, 0x5c, 0xe4, 0x64, 0xc0, 0x8d, 0x05, 0x6d, 0x64,
|
---|
| 891 | 0x28, 0xfe, 0x4d, 0xd9, 0x28, 0x7a, 0xa3, 0x65, 0xf1, 0x31, 0xf4, 0x36,
|
---|
| 892 | 0x0f, 0xf3, 0x86, 0xd8, 0x46, 0x89, 0x8b, 0xc4, 0xb4, 0x15, 0x83, 0xc2,
|
---|
| 893 | 0xa5, 0x19, 0x7f, 0x65, 0xd7, 0x87, 0x42, 0x74, 0x6c, 0x12, 0xa5, 0xec,
|
---|
| 894 | 0x0a, 0x4f, 0xfe, 0x2f, 0x27, 0x0a, 0x75, 0x0a, 0x1d, 0x8f, 0xb5, 0x16,
|
---|
| 895 | 0x20, 0x93, 0x4d, 0x74, 0xeb, 0x43, 0xe5, 0x4d, 0xf4, 0x24, 0xfd, 0x96,
|
---|
| 896 | 0x30, 0x6c, 0x01, 0x17, 0xbf, 0x13, 0x1a, 0xfa, 0xbf, 0x90, 0xa9, 0xd3,
|
---|
| 897 | 0x3d, 0x11, 0x98, 0xd9, 0x05, 0x19, 0x37, 0x35, 0x14, 0x41, 0x04, 0x19,
|
---|
| 898 | 0x0a, 0x07, 0x70, 0x0f, 0xfa, 0x4b, 0xe6, 0xae, 0x1d, 0x79, 0xee, 0x0f,
|
---|
| 899 | 0x06, 0xae, 0xb5, 0x44, 0xcd, 0x5a, 0xdd, 0xaa, 0xbe, 0xdf, 0x70, 0xf8,
|
---|
| 900 | 0x62, 0x33, 0x21, 0x33, 0x2c, 0x54, 0xf3, 0x55, 0xf0, 0xfb, 0xfe, 0xc7,
|
---|
| 901 | 0x83, 0xed, 0x35, 0x9e, 0x5d, 0x0b, 0xf7, 0x37, 0x7a, 0x0f, 0xc4, 0xea,
|
---|
| 902 | 0x7a, 0xce, 0x47, 0x3c, 0x9c, 0x11, 0x2b, 0x41, 0xcc, 0xd4, 0x1a, 0xc5,
|
---|
| 903 | 0x6a, 0x56, 0x12, 0x41, 0x04, 0x36, 0x0a, 0x1c, 0xea, 0x33, 0xfc, 0xe6,
|
---|
| 904 | 0x41, 0x15, 0x64, 0x58, 0xe0, 0xa4, 0xea, 0xc2, 0x19, 0xe9, 0x68, 0x31,
|
---|
| 905 | 0xe6, 0xae, 0xbc, 0x88, 0xb3, 0xf3, 0x75, 0x2f, 0x93, 0xa0, 0x28, 0x1d,
|
---|
| 906 | 0x1b, 0xf1, 0xfb, 0x10, 0x60, 0x51, 0xdb, 0x96, 0x94, 0xa8, 0xd6, 0xe8,
|
---|
| 907 | 0x62, 0xa5, 0xef, 0x13, 0x24, 0xa3, 0xd9, 0xe2, 0x78, 0x94, 0xf1, 0xee,
|
---|
| 908 | 0x4f, 0x7c, 0x59, 0x19, 0x99, 0x65, 0xa8, 0xdd, 0x4a, 0x20, 0x91, 0x84,
|
---|
| 909 | 0x7d, 0x2d, 0x22, 0xdf, 0x3e, 0xe5, 0x5f, 0xaa, 0x2a, 0x3f, 0xb3, 0x3f,
|
---|
| 910 | 0xd2, 0xd1, 0xe0, 0x55, 0xa0, 0x7a, 0x7c, 0x61, 0xec, 0xfb, 0x8d, 0x80,
|
---|
| 911 | 0xec, 0x00, 0xc2, 0xc9, 0xeb, 0x12
|
---|
| 912 | };
|
---|
| 913 |
|
---|
| 914 | static const unsigned char ecjpake_test_srv_two[] = {
|
---|
| 915 | 0x03, 0x00, 0x17, 0x41, 0x04, 0x0f, 0xb2, 0x2b, 0x1d, 0x5d, 0x11, 0x23,
|
---|
| 916 | 0xe0, 0xef, 0x9f, 0xeb, 0x9d, 0x8a, 0x2e, 0x59, 0x0a, 0x1f, 0x4d, 0x7c,
|
---|
| 917 | 0xed, 0x2c, 0x2b, 0x06, 0x58, 0x6e, 0x8f, 0x2a, 0x16, 0xd4, 0xeb, 0x2f,
|
---|
| 918 | 0xda, 0x43, 0x28, 0xa2, 0x0b, 0x07, 0xd8, 0xfd, 0x66, 0x76, 0x54, 0xca,
|
---|
| 919 | 0x18, 0xc5, 0x4e, 0x32, 0xa3, 0x33, 0xa0, 0x84, 0x54, 0x51, 0xe9, 0x26,
|
---|
| 920 | 0xee, 0x88, 0x04, 0xfd, 0x7a, 0xf0, 0xaa, 0xa7, 0xa6, 0x41, 0x04, 0x55,
|
---|
| 921 | 0x16, 0xea, 0x3e, 0x54, 0xa0, 0xd5, 0xd8, 0xb2, 0xce, 0x78, 0x6b, 0x38,
|
---|
| 922 | 0xd3, 0x83, 0x37, 0x00, 0x29, 0xa5, 0xdb, 0xe4, 0x45, 0x9c, 0x9d, 0xd6,
|
---|
| 923 | 0x01, 0xb4, 0x08, 0xa2, 0x4a, 0xe6, 0x46, 0x5c, 0x8a, 0xc9, 0x05, 0xb9,
|
---|
| 924 | 0xeb, 0x03, 0xb5, 0xd3, 0x69, 0x1c, 0x13, 0x9e, 0xf8, 0x3f, 0x1c, 0xd4,
|
---|
| 925 | 0x20, 0x0f, 0x6c, 0x9c, 0xd4, 0xec, 0x39, 0x22, 0x18, 0xa5, 0x9e, 0xd2,
|
---|
| 926 | 0x43, 0xd3, 0xc8, 0x20, 0xff, 0x72, 0x4a, 0x9a, 0x70, 0xb8, 0x8c, 0xb8,
|
---|
| 927 | 0x6f, 0x20, 0xb4, 0x34, 0xc6, 0x86, 0x5a, 0xa1, 0xcd, 0x79, 0x06, 0xdd,
|
---|
| 928 | 0x7c, 0x9b, 0xce, 0x35, 0x25, 0xf5, 0x08, 0x27, 0x6f, 0x26, 0x83, 0x6c
|
---|
| 929 | };
|
---|
| 930 |
|
---|
| 931 | static const unsigned char ecjpake_test_cli_two[] = {
|
---|
| 932 | 0x41, 0x04, 0x69, 0xd5, 0x4e, 0xe8, 0x5e, 0x90, 0xce, 0x3f, 0x12, 0x46,
|
---|
| 933 | 0x74, 0x2d, 0xe5, 0x07, 0xe9, 0x39, 0xe8, 0x1d, 0x1d, 0xc1, 0xc5, 0xcb,
|
---|
| 934 | 0x98, 0x8b, 0x58, 0xc3, 0x10, 0xc9, 0xfd, 0xd9, 0x52, 0x4d, 0x93, 0x72,
|
---|
| 935 | 0x0b, 0x45, 0x54, 0x1c, 0x83, 0xee, 0x88, 0x41, 0x19, 0x1d, 0xa7, 0xce,
|
---|
| 936 | 0xd8, 0x6e, 0x33, 0x12, 0xd4, 0x36, 0x23, 0xc1, 0xd6, 0x3e, 0x74, 0x98,
|
---|
| 937 | 0x9a, 0xba, 0x4a, 0xff, 0xd1, 0xee, 0x41, 0x04, 0x07, 0x7e, 0x8c, 0x31,
|
---|
| 938 | 0xe2, 0x0e, 0x6b, 0xed, 0xb7, 0x60, 0xc1, 0x35, 0x93, 0xe6, 0x9f, 0x15,
|
---|
| 939 | 0xbe, 0x85, 0xc2, 0x7d, 0x68, 0xcd, 0x09, 0xcc, 0xb8, 0xc4, 0x18, 0x36,
|
---|
| 940 | 0x08, 0x91, 0x7c, 0x5c, 0x3d, 0x40, 0x9f, 0xac, 0x39, 0xfe, 0xfe, 0xe8,
|
---|
| 941 | 0x2f, 0x72, 0x92, 0xd3, 0x6f, 0x0d, 0x23, 0xe0, 0x55, 0x91, 0x3f, 0x45,
|
---|
| 942 | 0xa5, 0x2b, 0x85, 0xdd, 0x8a, 0x20, 0x52, 0xe9, 0xe1, 0x29, 0xbb, 0x4d,
|
---|
| 943 | 0x20, 0x0f, 0x01, 0x1f, 0x19, 0x48, 0x35, 0x35, 0xa6, 0xe8, 0x9a, 0x58,
|
---|
| 944 | 0x0c, 0x9b, 0x00, 0x03, 0xba, 0xf2, 0x14, 0x62, 0xec, 0xe9, 0x1a, 0x82,
|
---|
| 945 | 0xcc, 0x38, 0xdb, 0xdc, 0xae, 0x60, 0xd9, 0xc5, 0x4c
|
---|
| 946 | };
|
---|
| 947 |
|
---|
| 948 | static const unsigned char ecjpake_test_pms[] = {
|
---|
| 949 | 0xf3, 0xd4, 0x7f, 0x59, 0x98, 0x44, 0xdb, 0x92, 0xa5, 0x69, 0xbb, 0xe7,
|
---|
| 950 | 0x98, 0x1e, 0x39, 0xd9, 0x31, 0xfd, 0x74, 0x3b, 0xf2, 0x2e, 0x98, 0xf9,
|
---|
| 951 | 0xb4, 0x38, 0xf7, 0x19, 0xd3, 0xc4, 0xf3, 0x51
|
---|
| 952 | };
|
---|
| 953 |
|
---|
| 954 | /* Load my private keys and generate the correponding public keys */
|
---|
| 955 | static int ecjpake_test_load( mbedtls_ecjpake_context *ctx,
|
---|
| 956 | const unsigned char *xm1, size_t len1,
|
---|
| 957 | const unsigned char *xm2, size_t len2 )
|
---|
| 958 | {
|
---|
| 959 | int ret;
|
---|
| 960 |
|
---|
| 961 | MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &ctx->xm1, xm1, len1 ) );
|
---|
| 962 | MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &ctx->xm2, xm2, len2 ) );
|
---|
| 963 | MBEDTLS_MPI_CHK( mbedtls_ecp_mul( &ctx->grp, &ctx->Xm1, &ctx->xm1,
|
---|
| 964 | &ctx->grp.G, NULL, NULL ) );
|
---|
| 965 | MBEDTLS_MPI_CHK( mbedtls_ecp_mul( &ctx->grp, &ctx->Xm2, &ctx->xm2,
|
---|
| 966 | &ctx->grp.G, NULL, NULL ) );
|
---|
| 967 |
|
---|
| 968 | cleanup:
|
---|
| 969 | return( ret );
|
---|
| 970 | }
|
---|
| 971 |
|
---|
| 972 | /* For tests we don't need a secure RNG;
|
---|
| 973 | * use the LGC from Numerical Recipes for simplicity */
|
---|
| 974 | static int ecjpake_lgc( void *p, unsigned char *out, size_t len )
|
---|
| 975 | {
|
---|
| 976 | static uint32_t x = 42;
|
---|
| 977 | (void) p;
|
---|
| 978 |
|
---|
| 979 | while( len > 0 )
|
---|
| 980 | {
|
---|
| 981 | size_t use_len = len > 4 ? 4 : len;
|
---|
| 982 | x = 1664525 * x + 1013904223;
|
---|
| 983 | memcpy( out, &x, use_len );
|
---|
| 984 | out += use_len;
|
---|
| 985 | len -= use_len;
|
---|
| 986 | }
|
---|
| 987 |
|
---|
| 988 | return( 0 );
|
---|
| 989 | }
|
---|
| 990 |
|
---|
| 991 | #define TEST_ASSERT( x ) \
|
---|
| 992 | do { \
|
---|
| 993 | if( x ) \
|
---|
| 994 | ret = 0; \
|
---|
| 995 | else \
|
---|
| 996 | { \
|
---|
| 997 | ret = 1; \
|
---|
| 998 | goto cleanup; \
|
---|
| 999 | } \
|
---|
| 1000 | } while( 0 )
|
---|
| 1001 |
|
---|
| 1002 | /*
|
---|
| 1003 | * Checkup routine
|
---|
| 1004 | */
|
---|
| 1005 | int mbedtls_ecjpake_self_test( int verbose )
|
---|
| 1006 | {
|
---|
| 1007 | int ret;
|
---|
| 1008 | mbedtls_ecjpake_context cli;
|
---|
| 1009 | mbedtls_ecjpake_context srv;
|
---|
| 1010 | unsigned char buf[512], pms[32];
|
---|
| 1011 | size_t len, pmslen;
|
---|
| 1012 |
|
---|
| 1013 | mbedtls_ecjpake_init( &cli );
|
---|
| 1014 | mbedtls_ecjpake_init( &srv );
|
---|
| 1015 |
|
---|
| 1016 | if( verbose != 0 )
|
---|
| 1017 | mbedtls_printf( " ECJPAKE test #0 (setup): " );
|
---|
| 1018 |
|
---|
| 1019 | TEST_ASSERT( mbedtls_ecjpake_setup( &cli, MBEDTLS_ECJPAKE_CLIENT,
|
---|
| 1020 | MBEDTLS_MD_SHA256, MBEDTLS_ECP_DP_SECP256R1,
|
---|
| 1021 | ecjpake_test_password,
|
---|
| 1022 | sizeof( ecjpake_test_password ) ) == 0 );
|
---|
| 1023 |
|
---|
| 1024 | TEST_ASSERT( mbedtls_ecjpake_setup( &srv, MBEDTLS_ECJPAKE_SERVER,
|
---|
| 1025 | MBEDTLS_MD_SHA256, MBEDTLS_ECP_DP_SECP256R1,
|
---|
| 1026 | ecjpake_test_password,
|
---|
| 1027 | sizeof( ecjpake_test_password ) ) == 0 );
|
---|
| 1028 |
|
---|
| 1029 | if( verbose != 0 )
|
---|
| 1030 | mbedtls_printf( "passed\n" );
|
---|
| 1031 |
|
---|
| 1032 | if( verbose != 0 )
|
---|
| 1033 | mbedtls_printf( " ECJPAKE test #1 (random handshake): " );
|
---|
| 1034 |
|
---|
| 1035 | TEST_ASSERT( mbedtls_ecjpake_write_round_one( &cli,
|
---|
| 1036 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1037 |
|
---|
| 1038 | TEST_ASSERT( mbedtls_ecjpake_read_round_one( &srv, buf, len ) == 0 );
|
---|
| 1039 |
|
---|
| 1040 | TEST_ASSERT( mbedtls_ecjpake_write_round_one( &srv,
|
---|
| 1041 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1042 |
|
---|
| 1043 | TEST_ASSERT( mbedtls_ecjpake_read_round_one( &cli, buf, len ) == 0 );
|
---|
| 1044 |
|
---|
| 1045 | TEST_ASSERT( mbedtls_ecjpake_write_round_two( &srv,
|
---|
| 1046 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1047 |
|
---|
| 1048 | TEST_ASSERT( mbedtls_ecjpake_read_round_two( &cli, buf, len ) == 0 );
|
---|
| 1049 |
|
---|
| 1050 | TEST_ASSERT( mbedtls_ecjpake_derive_secret( &cli,
|
---|
| 1051 | pms, sizeof( pms ), &pmslen, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1052 |
|
---|
| 1053 | TEST_ASSERT( mbedtls_ecjpake_write_round_two( &cli,
|
---|
| 1054 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1055 |
|
---|
| 1056 | TEST_ASSERT( mbedtls_ecjpake_read_round_two( &srv, buf, len ) == 0 );
|
---|
| 1057 |
|
---|
| 1058 | TEST_ASSERT( mbedtls_ecjpake_derive_secret( &srv,
|
---|
| 1059 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1060 |
|
---|
| 1061 | TEST_ASSERT( len == pmslen );
|
---|
| 1062 | TEST_ASSERT( memcmp( buf, pms, len ) == 0 );
|
---|
| 1063 |
|
---|
| 1064 | if( verbose != 0 )
|
---|
| 1065 | mbedtls_printf( "passed\n" );
|
---|
| 1066 |
|
---|
| 1067 | if( verbose != 0 )
|
---|
| 1068 | mbedtls_printf( " ECJPAKE test #2 (reference handshake): " );
|
---|
| 1069 |
|
---|
| 1070 | /* Simulate generation of round one */
|
---|
| 1071 | MBEDTLS_MPI_CHK( ecjpake_test_load( &cli,
|
---|
| 1072 | ecjpake_test_x1, sizeof( ecjpake_test_x1 ),
|
---|
| 1073 | ecjpake_test_x2, sizeof( ecjpake_test_x2 ) ) );
|
---|
| 1074 |
|
---|
| 1075 | MBEDTLS_MPI_CHK( ecjpake_test_load( &srv,
|
---|
| 1076 | ecjpake_test_x3, sizeof( ecjpake_test_x3 ),
|
---|
| 1077 | ecjpake_test_x4, sizeof( ecjpake_test_x4 ) ) );
|
---|
| 1078 |
|
---|
| 1079 | /* Read round one */
|
---|
| 1080 | TEST_ASSERT( mbedtls_ecjpake_read_round_one( &srv,
|
---|
| 1081 | ecjpake_test_cli_one,
|
---|
| 1082 | sizeof( ecjpake_test_cli_one ) ) == 0 );
|
---|
| 1083 |
|
---|
| 1084 | TEST_ASSERT( mbedtls_ecjpake_read_round_one( &cli,
|
---|
| 1085 | ecjpake_test_srv_one,
|
---|
| 1086 | sizeof( ecjpake_test_srv_one ) ) == 0 );
|
---|
| 1087 |
|
---|
| 1088 | /* Skip generation of round two, read round two */
|
---|
| 1089 | TEST_ASSERT( mbedtls_ecjpake_read_round_two( &cli,
|
---|
| 1090 | ecjpake_test_srv_two,
|
---|
| 1091 | sizeof( ecjpake_test_srv_two ) ) == 0 );
|
---|
| 1092 |
|
---|
| 1093 | TEST_ASSERT( mbedtls_ecjpake_read_round_two( &srv,
|
---|
| 1094 | ecjpake_test_cli_two,
|
---|
| 1095 | sizeof( ecjpake_test_cli_two ) ) == 0 );
|
---|
| 1096 |
|
---|
| 1097 | /* Server derives PMS */
|
---|
| 1098 | TEST_ASSERT( mbedtls_ecjpake_derive_secret( &srv,
|
---|
| 1099 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1100 |
|
---|
| 1101 | TEST_ASSERT( len == sizeof( ecjpake_test_pms ) );
|
---|
| 1102 | TEST_ASSERT( memcmp( buf, ecjpake_test_pms, len ) == 0 );
|
---|
| 1103 |
|
---|
| 1104 | memset( buf, 0, len ); /* Avoid interferences with next step */
|
---|
| 1105 |
|
---|
| 1106 | /* Client derives PMS */
|
---|
| 1107 | TEST_ASSERT( mbedtls_ecjpake_derive_secret( &cli,
|
---|
| 1108 | buf, sizeof( buf ), &len, ecjpake_lgc, NULL ) == 0 );
|
---|
| 1109 |
|
---|
| 1110 | TEST_ASSERT( len == sizeof( ecjpake_test_pms ) );
|
---|
| 1111 | TEST_ASSERT( memcmp( buf, ecjpake_test_pms, len ) == 0 );
|
---|
| 1112 |
|
---|
| 1113 | if( verbose != 0 )
|
---|
| 1114 | mbedtls_printf( "passed\n" );
|
---|
| 1115 |
|
---|
| 1116 | cleanup:
|
---|
| 1117 | mbedtls_ecjpake_free( &cli );
|
---|
| 1118 | mbedtls_ecjpake_free( &srv );
|
---|
| 1119 |
|
---|
| 1120 | if( ret != 0 )
|
---|
| 1121 | {
|
---|
| 1122 | if( verbose != 0 )
|
---|
| 1123 | mbedtls_printf( "failed\n" );
|
---|
| 1124 |
|
---|
| 1125 | ret = 1;
|
---|
| 1126 | }
|
---|
| 1127 |
|
---|
| 1128 | if( verbose != 0 )
|
---|
| 1129 | mbedtls_printf( "\n" );
|
---|
| 1130 |
|
---|
| 1131 | return( ret );
|
---|
| 1132 | }
|
---|
| 1133 |
|
---|
| 1134 | #undef TEST_ASSERT
|
---|
| 1135 |
|
---|
| 1136 | #endif /* MBEDTLS_ECP_DP_SECP256R1_ENABLED && MBEDTLS_SHA256_C */
|
---|
| 1137 |
|
---|
| 1138 | #endif /* MBEDTLS_SELF_TEST */
|
---|
| 1139 |
|
---|
| 1140 | #endif /* MBEDTLS_ECJPAKE_C */
|
---|