Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Public key-based signature creation program |
| 3 | * |
Manuel Pégourié-Gonnard | a658a40 | 2015-01-23 09:45:19 +0000 | [diff] [blame] | 4 | * Copyright (C) 2006-2013, ARM Limited, All Rights Reserved |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 5 | * |
Manuel Pégourié-Gonnard | fe44643 | 2015-03-06 13:17:10 +0000 | [diff] [blame] | 6 | * This file is part of mbed TLS (https://tls.mbed.org) |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 7 | * |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | */ |
| 22 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 23 | #if !defined(MBEDTLS_CONFIG_FILE) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 24 | #include "mbedtls/config.h" |
Manuel Pégourié-Gonnard | cef4ad2 | 2014-04-29 12:39:06 +0200 | [diff] [blame] | 25 | #else |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 26 | #include MBEDTLS_CONFIG_FILE |
Manuel Pégourié-Gonnard | cef4ad2 | 2014-04-29 12:39:06 +0200 | [diff] [blame] | 27 | #endif |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 28 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 29 | #if defined(MBEDTLS_PLATFORM_C) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 30 | #include "mbedtls/platform.h" |
Rich Evans | f90016a | 2015-01-19 14:26:37 +0000 | [diff] [blame] | 31 | #else |
Rich Evans | 18b78c7 | 2015-02-11 14:06:19 +0000 | [diff] [blame] | 32 | #include <stdio.h> |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 33 | #define mbedtls_snprintf snprintf |
| 34 | #define mbedtls_printf printf |
| 35 | #define mbedtls_snprintf snprintf |
Rich Evans | f90016a | 2015-01-19 14:26:37 +0000 | [diff] [blame] | 36 | #endif |
| 37 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 38 | #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) || \ |
Manuel Pégourié-Gonnard | 06d5d61 | 2015-05-28 16:23:18 +0200 | [diff] [blame^] | 39 | !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 40 | !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_FS_IO) || \ |
| 41 | !defined(MBEDTLS_CTR_DRBG_C) |
Rich Evans | 85b05ec | 2015-02-12 11:37:29 +0000 | [diff] [blame] | 42 | int main( void ) |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 43 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 44 | mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or " |
Manuel Pégourié-Gonnard | 06d5d61 | 2015-05-28 16:23:18 +0200 | [diff] [blame^] | 45 | "MBEDTLS_SHA256_C and/or MBEDLTS_MD_C and/or " |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 46 | "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or " |
| 47 | "MBEDTLS_CTR_DRBG_C not defined.\n"); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 48 | return( 0 ); |
| 49 | } |
| 50 | #else |
Manuel Pégourié-Gonnard | 06d5d61 | 2015-05-28 16:23:18 +0200 | [diff] [blame^] | 51 | |
| 52 | #include "mbedtls/error.h" |
| 53 | #include "mbedtls/entropy.h" |
| 54 | #include "mbedtls/ctr_drbg.h" |
| 55 | #include "mbedtls/md.h" |
| 56 | #include "mbedtls/pk.h" |
| 57 | |
| 58 | #include <stdio.h> |
| 59 | #include <string.h> |
| 60 | |
| 61 | #if defined _MSC_VER && !defined snprintf |
| 62 | #define snprintf _snprintf |
| 63 | #endif |
| 64 | |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 65 | int main( int argc, char *argv[] ) |
| 66 | { |
| 67 | FILE *f; |
Paul Bakker | 0c22610 | 2014-04-17 16:02:36 +0200 | [diff] [blame] | 68 | int ret = 1; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 69 | mbedtls_pk_context pk; |
| 70 | mbedtls_entropy_context entropy; |
| 71 | mbedtls_ctr_drbg_context ctr_drbg; |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 72 | unsigned char hash[20]; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 73 | unsigned char buf[MBEDTLS_MPI_MAX_SIZE]; |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 74 | char filename[512]; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 75 | const char *pers = "mbedtls_pk_sign"; |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 76 | size_t olen = 0; |
| 77 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 78 | mbedtls_entropy_init( &entropy ); |
Manuel Pégourié-Gonnard | ec160c0 | 2015-04-28 22:52:30 +0200 | [diff] [blame] | 79 | mbedtls_ctr_drbg_init( &ctr_drbg ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 80 | mbedtls_pk_init( &pk ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 81 | |
| 82 | if( argc != 3 ) |
| 83 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 84 | mbedtls_printf( "usage: mbedtls_pk_sign <key_file> <filename>\n" ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 85 | |
| 86 | #if defined(_WIN32) |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 87 | mbedtls_printf( "\n" ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 88 | #endif |
| 89 | |
| 90 | goto exit; |
| 91 | } |
| 92 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 93 | mbedtls_printf( "\n . Seeding the random number generator..." ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 94 | fflush( stdout ); |
| 95 | |
Manuel Pégourié-Gonnard | ec160c0 | 2015-04-28 22:52:30 +0200 | [diff] [blame] | 96 | if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 97 | (const unsigned char *) pers, |
| 98 | strlen( pers ) ) ) != 0 ) |
| 99 | { |
Manuel Pégourié-Gonnard | ec160c0 | 2015-04-28 22:52:30 +0200 | [diff] [blame] | 100 | mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%04x\n", -ret ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 101 | goto exit; |
| 102 | } |
| 103 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 104 | mbedtls_printf( "\n . Reading private key from '%s'", argv[1] ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 105 | fflush( stdout ); |
| 106 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 107 | if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 ) |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 108 | { |
| 109 | ret = 1; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 110 | mbedtls_printf( " failed\n ! Could not open '%s'\n", argv[1] ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 111 | goto exit; |
| 112 | } |
| 113 | |
| 114 | /* |
Manuel Pégourié-Gonnard | 6f60cd8 | 2015-02-10 10:47:03 +0000 | [diff] [blame] | 115 | * Compute the SHA-256 hash of the input file, |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 116 | * then calculate the signature of the hash. |
| 117 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 118 | mbedtls_printf( "\n . Generating the SHA-256 signature" ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 119 | fflush( stdout ); |
| 120 | |
Manuel Pégourié-Gonnard | 06d5d61 | 2015-05-28 16:23:18 +0200 | [diff] [blame^] | 121 | if( ( ret = mbedtls_md_file( |
| 122 | mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ), |
| 123 | argv[2], hash ) ) != 0 ) |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 124 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 125 | mbedtls_printf( " failed\n ! Could not open or read %s\n\n", argv[2] ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 126 | goto exit; |
| 127 | } |
| 128 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 129 | if( ( ret = mbedtls_pk_sign( &pk, MBEDTLS_MD_SHA256, hash, 0, buf, &olen, |
| 130 | mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 131 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 132 | mbedtls_printf( " failed\n ! mbedtls_pk_sign returned -0x%04x\n", -ret ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 133 | goto exit; |
| 134 | } |
| 135 | |
| 136 | /* |
| 137 | * Write the signature into <filename>-sig.txt |
| 138 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 139 | mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[2] ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 140 | |
| 141 | if( ( f = fopen( filename, "wb+" ) ) == NULL ) |
| 142 | { |
| 143 | ret = 1; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 144 | mbedtls_printf( " failed\n ! Could not create %s\n\n", filename ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 145 | goto exit; |
| 146 | } |
| 147 | |
| 148 | if( fwrite( buf, 1, olen, f ) != olen ) |
| 149 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 150 | mbedtls_printf( "failed\n ! fwrite failed\n\n" ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 151 | goto exit; |
| 152 | } |
| 153 | |
| 154 | fclose( f ); |
| 155 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 156 | mbedtls_printf( "\n . Done (created \"%s\")\n\n", filename ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 157 | |
| 158 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 159 | mbedtls_pk_free( &pk ); |
| 160 | mbedtls_ctr_drbg_free( &ctr_drbg ); |
| 161 | mbedtls_entropy_free( &entropy ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 162 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 163 | #if defined(MBEDTLS_ERROR_C) |
| 164 | mbedtls_strerror( ret, (char *) buf, sizeof(buf) ); |
| 165 | mbedtls_printf( " ! Last error was: %s\n", buf ); |
Manuel Pégourié-Gonnard | 92e5b59 | 2013-09-18 18:57:10 +0200 | [diff] [blame] | 166 | #endif |
| 167 | |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 168 | #if defined(_WIN32) |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 169 | mbedtls_printf( " + Press Enter to exit this program.\n" ); |
Paul Bakker | 940f9ce | 2013-09-18 15:34:57 +0200 | [diff] [blame] | 170 | fflush( stdout ); getchar(); |
| 171 | #endif |
| 172 | |
| 173 | return( ret ); |
| 174 | } |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 175 | #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && |
| 176 | MBEDTLS_SHA256_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO && |
| 177 | MBEDTLS_CTR_DRBG_C */ |