/* * Key reading application * * Copyright (C) 2006-2013, Brainspark B.V. * * This file is part of PolarSSL (http://www.polarssl.org) * Lead Maintainer: Paul Bakker * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "polarssl/config.h" #include #include #include #include "polarssl/error.h" #include "polarssl/rsa.h" #include "polarssl/x509.h" #if !defined(POLARSSL_BIGNUM_C) || \ !defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO) int main( int argc, char *argv[] ) { ((void) argc); ((void) argv); printf("POLARSSL_BIGNUM_C and/or " "POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO not defined.\n"); return( 0 ); } #else #define MODE_NONE 0 #define MODE_PRIVATE 1 #define MODE_PUBLIC 2 #define DFL_MODE MODE_NONE #define DFL_FILENAME "keyfile.key" #define DFL_PASSWORD "" #define DFL_PASSWORD_FILE "" #define DFL_DEBUG_LEVEL 0 /* * global options */ struct options { int mode; /* the mode to run the application in */ const char *filename; /* filename of the key file */ const char *password; /* password for the private key */ const char *password_file; /* password_file for the private key */ } opt; #define USAGE \ "\n usage: key_app param=<>...\n" \ "\n acceptable parameters:\n" \ " mode=private|public default: none\n" \ " filename=%%s default: keyfile.key\n" \ " password=%%s default: \"\"\n" \ " password_file=%%s default: \"\"\n" \ "\n" int main( int argc, char *argv[] ) { int ret = 0; pk_context pk; char buf[1024]; int i; char *p, *q; /* * Set to sane values */ pk_init( &pk ); memset( buf, 0, sizeof(buf) ); if( argc == 0 ) { usage: printf( USAGE ); goto exit; } opt.mode = DFL_MODE; opt.filename = DFL_FILENAME; opt.password = DFL_PASSWORD; opt.password_file = DFL_PASSWORD_FILE; for( i = 1; i < argc; i++ ) { p = argv[i]; if( ( q = strchr( p, '=' ) ) == NULL ) goto usage; *q++ = '\0'; if( strcmp( p, "mode" ) == 0 ) { if( strcmp( q, "private" ) == 0 ) opt.mode = MODE_PRIVATE; else if( strcmp( q, "public" ) == 0 ) opt.mode = MODE_PUBLIC; else goto usage; } else if( strcmp( p, "filename" ) == 0 ) opt.filename = q; else if( strcmp( p, "password" ) == 0 ) opt.password = q; else if( strcmp( p, "password_file" ) == 0 ) opt.password_file = q; else goto usage; } if( opt.mode == MODE_PRIVATE ) { if( strlen( opt.password ) && strlen( opt.password_file ) ) { printf( "Error: cannot have both password and password_file\n" ); goto usage; } if( strlen( opt.password_file ) ) { FILE *f; printf( "\n . Loading the password file ..." ); if( ( f = fopen( opt.password_file, "rb" ) ) == NULL ) { printf( " failed\n ! fopen returned NULL\n" ); goto exit; } fgets( buf, sizeof(buf), f ); fclose( f ); i = strlen( buf ); if( buf[i - 1] == '\n' ) buf[i - 1] = '\0'; if( buf[i - 2] == '\r' ) buf[i - 2] = '\0'; opt.password = buf; } /* * 1.1. Load the key */ printf( "\n . Loading the private key ..." ); fflush( stdout ); ret = pk_parse_keyfile( &pk, opt.filename, opt.password ); if( ret != 0 ) { printf( " failed\n ! pk_parse_keyfile returned -0x%04x\n", -ret ); goto exit; } printf( " ok\n" ); /* * 1.2 Print the key */ printf( " . Key information ...\n" ); #if defined(POLARSSL_RSA_C) if( pk_get_type( &pk ) == POLARSSL_PK_RSA ) { rsa_context *rsa = pk_rsa( pk ); mpi_write_file( "N: ", &rsa->N, 16, NULL ); mpi_write_file( "E: ", &rsa->E, 16, NULL ); mpi_write_file( "D: ", &rsa->D, 16, NULL ); mpi_write_file( "P: ", &rsa->P, 16, NULL ); mpi_write_file( "Q: ", &rsa->Q, 16, NULL ); mpi_write_file( "DP: ", &rsa->DP, 16, NULL ); mpi_write_file( "DQ: ", &rsa->DQ, 16, NULL ); mpi_write_file( "QP: ", &rsa->QP, 16, NULL ); } else #endif #if defined(POLARSSL_ECP_C) if( pk_get_type( &pk ) == POLARSSL_PK_ECKEY ) { ecp_keypair *ecp = pk_ec( pk ); mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ); mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ); mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ); mpi_write_file( "D : ", &ecp->d , 16, NULL ); } else #endif { printf("Do not know how to print key information for this type\n" ); goto exit; } } else if( opt.mode == MODE_PUBLIC ) { /* * 1.1. Load the key */ printf( "\n . Loading the public key ..." ); fflush( stdout ); ret = pk_parse_public_keyfile( &pk, opt.filename ); if( ret != 0 ) { printf( " failed\n ! pk_parse_public_keyfile returned -0x%04x\n", -ret ); goto exit; } printf( " ok\n" ); printf( " . Key information ...\n" ); #if defined(POLARSSL_RSA_C) if( pk_get_type( &pk ) == POLARSSL_PK_RSA ) { rsa_context *rsa = pk_rsa( pk ); mpi_write_file( "N: ", &rsa->N, 16, NULL ); mpi_write_file( "E: ", &rsa->E, 16, NULL ); } else #endif #if defined(POLARSSL_ECP_C) if( pk_get_type( &pk ) == POLARSSL_PK_ECKEY ) { ecp_keypair *ecp = pk_ec( pk ); mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ); mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ); mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ); } else #endif { printf("Do not know how to print key information for this type\n" ); goto exit; } } else goto usage; exit: #if defined(POLARSSL_ERROR_C) polarssl_strerror( ret, buf, sizeof(buf) ); printf( " ! Last error was: %s\n", buf ); #endif pk_free( &pk ); #if defined(_WIN32) printf( " + Press Enter to exit this program.\n" ); fflush( stdout ); getchar(); #endif return( ret ); } #endif /* POLARSSL_BIGNUM_C && POLARSSL_PK_PARSE_C && POLARSSL_FS_IO */