Added pk_decrypt, pk_encrypt, pk_sign, pk_verify example applications
This commit is contained in:
parent
45f21c7ad1
commit
940f9ce515
4
programs/.gitignore
vendored
4
programs/.gitignore
vendored
@ -13,6 +13,10 @@ pkey/ecdsa
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pkey/key_app
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pkey/key_app_writer
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pkey/mpi_demo
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pkey/pk_decrypt
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pkey/pk_encrypt
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pkey/pk_sign
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pkey/pk_verify
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pkey/rsa_decrypt
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pkey/rsa_encrypt
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pkey/rsa_genkey
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@ -26,7 +26,9 @@ APPS = aes/aescrypt2 aes/crypt_and_hash \
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hash/sha2sum pkey/dh_client \
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pkey/dh_genprime pkey/dh_server \
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pkey/key_app pkey/key_app_writer \
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pkey/mpi_demo pkey/rsa_genkey \
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pkey/mpi_demo pkey/pk_decrypt \
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pkey/pk_encrypt pkey/pk_sign \
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pkey/pk_verify pkey/rsa_genkey \
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pkey/rsa_decrypt pkey/rsa_encrypt \
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pkey/rsa_sign pkey/rsa_verify \
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pkey/rsa_sign_pss pkey/rsa_verify_pss \
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@ -107,6 +109,22 @@ pkey/mpi_demo: pkey/mpi_demo.c ../library/libpolarssl.a
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echo " CC pkey/mpi_demo.c"
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$(CC) $(CFLAGS) $(OFLAGS) pkey/mpi_demo.c $(LDFLAGS) -o $@
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pkey/pk_decrypt: pkey/pk_decrypt.c ../library/libpolarssl.a
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echo " CC pkey/pk_decrypt.c"
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$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_decrypt.c $(LDFLAGS) -o $@
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pkey/pk_encrypt: pkey/pk_encrypt.c ../library/libpolarssl.a
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echo " CC pkey/pk_encrypt.c"
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$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_encrypt.c $(LDFLAGS) -o $@
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pkey/pk_sign: pkey/pk_sign.c ../library/libpolarssl.a
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echo " CC pkey/pk_sign.c"
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$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_sign.c $(LDFLAGS) -o $@
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pkey/pk_verify: pkey/pk_verify.c ../library/libpolarssl.a
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echo " CC pkey/pk_verify.c"
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$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_verify.c $(LDFLAGS) -o $@
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pkey/rsa_genkey: pkey/rsa_genkey.c ../library/libpolarssl.a
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echo " CC pkey/rsa_genkey.c"
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$(CC) $(CFLAGS) $(OFLAGS) pkey/rsa_genkey.c $(LDFLAGS) -o $@
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@ -40,6 +40,18 @@ target_link_libraries(rsa_encrypt polarssl)
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add_executable(rsa_decrypt rsa_decrypt.c)
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target_link_libraries(rsa_decrypt polarssl)
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install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt
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add_executable(pk_sign pk_sign.c)
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target_link_libraries(pk_sign polarssl)
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add_executable(pk_verify pk_verify.c)
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target_link_libraries(pk_verify polarssl)
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add_executable(pk_encrypt pk_encrypt.c)
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target_link_libraries(pk_encrypt polarssl)
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add_executable(pk_decrypt pk_decrypt.c)
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target_link_libraries(pk_decrypt polarssl)
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install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt pk_encrypt pk_decrypt pk_sign pk_verify
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DESTINATION "bin"
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PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
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156
programs/pkey/pk_decrypt.c
Normal file
156
programs/pkey/pk_decrypt.c
Normal file
@ -0,0 +1,156 @@
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/*
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* Public key-based simple decryption program
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _CRT_SECURE_NO_DEPRECATE
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#define _CRT_SECURE_NO_DEPRECATE 1
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#endif
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#include <string.h>
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#include <stdio.h>
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#include "polarssl/config.h"
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#include "polarssl/error.h"
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#include "polarssl/pk.h"
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#include "polarssl/entropy.h"
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#include "polarssl/ctr_drbg.h"
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#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_PK_PARSE_C) || \
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!defined(POLARSSL_FS_IO) || !defined(POLARSSL_ENTROPY_C) || \
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!defined(POLARSSL_CTR_DRBG_C)
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int main( int argc, char *argv[] )
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{
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((void) argc);
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((void) argv);
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printf("POLARSSL_BIGNUM_C and/or POLARSSL_PK_PARSE_C and/or "
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"POLARSSL_FS_IO and/or POLARSSL_ENTROPY_C and/or "
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"POLARSSL_CTR_DRBG_C not defined.\n");
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return( 0 );
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}
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#else
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int main( int argc, char *argv[] )
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{
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FILE *f;
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int ret, c;
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size_t i, olen = 0;
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pk_context pk;
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entropy_context entropy;
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ctr_drbg_context ctr_drbg;
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unsigned char result[1024];
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unsigned char buf[512];
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const char *pers = "pk_decrypt";
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((void) argv);
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memset(result, 0, sizeof( result ) );
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ret = 1;
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if( argc != 2 )
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{
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printf( "usage: pk_decrypt <key_file>\n" );
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#if defined(_WIN32)
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printf( "\n" );
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#endif
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goto exit;
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}
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printf( "\n . Seeding the random number generator..." );
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fflush( stdout );
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entropy_init( &entropy );
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if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
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(const unsigned char *) pers,
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strlen( pers ) ) ) != 0 )
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{
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printf( " failed\n ! ctr_drbg_init returned %d\n", ret );
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goto exit;
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}
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printf( "\n . Reading private key from '%s'", argv[1] );
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fflush( stdout );
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pk_init( &pk );
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if( ( ret = pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 )
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{
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polarssl_strerror( ret, (char *) buf, sizeof(buf) );
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printf( " failed\n ! pk_parse_keyfile returned -0x%04x - %s\n\n", -ret,
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buf );
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goto exit;
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}
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/*
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* Extract the RSA encrypted value from the text file
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*/
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ret = 1;
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if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )
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{
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printf( "\n ! Could not open %s\n\n", "result-enc.txt" );
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goto exit;
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}
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i = 0;
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while( fscanf( f, "%02X", &c ) > 0 &&
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i < (int) sizeof( buf ) )
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buf[i++] = (unsigned char) c;
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fclose( f );
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/*
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* Decrypt the encrypted RSA data and print the result.
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*/
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printf( "\n . Decrypting the encrypted data" );
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fflush( stdout );
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if( ( ret = pk_decrypt( &pk, buf, i, result, &olen, sizeof(result),
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ctr_drbg_random, &ctr_drbg ) ) != 0 )
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{
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polarssl_strerror( ret, (char *) buf, sizeof(buf) );
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printf( " failed\n ! pk_decrypt returned -0x%04x - %s\n\n", -ret,
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buf );
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goto exit;
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}
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printf( "\n . OK\n\n" );
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printf( "The decrypted result is: '%s'\n\n", result );
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ret = 0;
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exit:
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#if defined(_WIN32)
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printf( " + Press Enter to exit this program.\n" );
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fflush( stdout ); getchar();
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#endif
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return( ret );
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}
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#endif /* POLARSSL_BIGNUM_C && POLARSSL_PK_PARSE_C && POLARSSL_FS_IO &&
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POLARSSL_ENTROPY_C && POLARSSL_CTR_DRBG_C */
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155
programs/pkey/pk_encrypt.c
Normal file
155
programs/pkey/pk_encrypt.c
Normal file
@ -0,0 +1,155 @@
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/*
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* RSA simple data encryption program
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*
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* Copyright (C) 2006-2011, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _CRT_SECURE_NO_DEPRECATE
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#define _CRT_SECURE_NO_DEPRECATE 1
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#endif
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#include <string.h>
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#include <stdio.h>
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#include "polarssl/config.h"
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#include "polarssl/error.h"
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#include "polarssl/pk.h"
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#include "polarssl/entropy.h"
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#include "polarssl/ctr_drbg.h"
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#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_PK_PARSE_C) || \
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!defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_FS_IO) || \
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!defined(POLARSSL_CTR_DRBG_C)
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int main( int argc, char *argv[] )
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{
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((void) argc);
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((void) argv);
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printf("POLARSSL_BIGNUM_C and/or POLARSSL_PK_PARSE_C and/or "
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"POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO and/or "
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"POLARSSL_CTR_DRBG_C not defined.\n");
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return( 0 );
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}
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#else
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int main( int argc, char *argv[] )
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{
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FILE *f;
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int ret;
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size_t i, olen = 0;
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pk_context pk;
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entropy_context entropy;
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ctr_drbg_context ctr_drbg;
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unsigned char input[1024];
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unsigned char buf[512];
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const char *pers = "pk_encrypt";
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ret = 1;
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if( argc != 3 )
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{
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printf( "usage: pk_encrypt <key_file> <string of max 100 characters>\n" );
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#if defined(_WIN32)
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printf( "\n" );
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#endif
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goto exit;
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}
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printf( "\n . Seeding the random number generator..." );
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fflush( stdout );
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entropy_init( &entropy );
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if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
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(const unsigned char *) pers,
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strlen( pers ) ) ) != 0 )
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{
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polarssl_strerror( ret, (char *) buf, sizeof(buf) );
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printf( " failed\n ! ctr_drbg_init returned -0x%04x - %s\n\n", -ret, buf );
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goto exit;
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}
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printf( "\n . Reading public key from '%s'", argv[1] );
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fflush( stdout );
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pk_init( &pk );
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if( ( ret = pk_parse_public_keyfile( &pk, argv[1] ) ) != 0 )
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{
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polarssl_strerror( ret, (char *) buf, sizeof(buf) );
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printf( " failed\n ! pk_parse_public_keyfile returned -0x%04x - %s\n\n", -ret, buf );
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goto exit;
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}
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if( strlen( argv[2] ) > 100 )
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{
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printf( " Input data larger than 100 characters.\n\n" );
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goto exit;
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}
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memcpy( input, argv[2], strlen( argv[2] ) );
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/*
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* Calculate the RSA encryption of the hash.
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*/
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printf( "\n . Generating the encrypted value" );
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fflush( stdout );
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if( ( ret = pk_encrypt( &pk, input, strlen( argv[2] ),
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buf, &olen, sizeof(buf),
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ctr_drbg_random, &ctr_drbg ) ) != 0 )
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{
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polarssl_strerror( ret, (char *) buf, sizeof(buf) );
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printf( " failed\n ! pk_encrypt returned -0x%04x - %s\n\n", -ret, buf );
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goto exit;
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}
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/*
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* Write the signature into result-enc.txt
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*/
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if( ( f = fopen( "result-enc.txt", "wb+" ) ) == NULL )
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{
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ret = 1;
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printf( " failed\n ! Could not create %s\n\n", "result-enc.txt" );
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goto exit;
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}
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for( i = 0; i < olen; i++ )
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fprintf( f, "%02X%s", buf[i],
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( i + 1 ) % 16 == 0 ? "\r\n" : " " );
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fclose( f );
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printf( "\n . Done (created \"%s\")\n\n", "result-enc.txt" );
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exit:
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#if defined(_WIN32)
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printf( " + Press Enter to exit this program.\n" );
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fflush( stdout ); getchar();
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#endif
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return( ret );
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}
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#endif /* POLARSSL_BIGNUM_C && POLARSSL_PK_PARSE_C && POLARSSL_ENTROPY_C &&
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POLARSSL_FS_IO && POLARSSL_CTR_DRBG_C */
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168
programs/pkey/pk_sign.c
Normal file
168
programs/pkey/pk_sign.c
Normal file
@ -0,0 +1,168 @@
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/*
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* Public key-based signature creation program
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
|
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*
|
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* This file is part of PolarSSL (http://www.polarssl.org)
|
||||
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
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#ifndef _CRT_SECURE_NO_DEPRECATE
|
||||
#define _CRT_SECURE_NO_DEPRECATE 1
|
||||
#endif
|
||||
|
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#include <string.h>
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#include <stdio.h>
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|
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#include "polarssl/config.h"
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#include "polarssl/error.h"
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#include "polarssl/entropy.h"
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#include "polarssl/ctr_drbg.h"
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#include "polarssl/md.h"
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#include "polarssl/pk.h"
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#include "polarssl/sha1.h"
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#if defined _MSC_VER && !defined snprintf
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#define snprintf _snprintf
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#endif
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#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) || \
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!defined(POLARSSL_SHA1_C) || \
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!defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO) || \
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!defined(POLARSSL_CTR_DRBG_C)
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int main( int argc, char *argv[] )
|
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{
|
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((void) argc);
|
||||
((void) argv);
|
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|
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printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
|
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"POLARSSL_SHA1_C and/or "
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"POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO and/or "
|
||||
"POLARSSL_CTR_DRBG_C not defined.\n");
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return( 0 );
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}
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#else
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int main( int argc, char *argv[] )
|
||||
{
|
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FILE *f;
|
||||
int ret;
|
||||
pk_context pk;
|
||||
entropy_context entropy;
|
||||
ctr_drbg_context ctr_drbg;
|
||||
unsigned char hash[20];
|
||||
unsigned char buf[POLARSSL_MPI_MAX_SIZE];
|
||||
char filename[512];
|
||||
const char *pers = "pk_sign";
|
||||
size_t olen = 0;
|
||||
|
||||
ret = 1;
|
||||
|
||||
if( argc != 3 )
|
||||
{
|
||||
printf( "usage: pk_sign <key_file> <filename>\n" );
|
||||
|
||||
#if defined(_WIN32)
|
||||
printf( "\n" );
|
||||
#endif
|
||||
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( "\n . Seeding the random number generator..." );
|
||||
fflush( stdout );
|
||||
|
||||
entropy_init( &entropy );
|
||||
if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
|
||||
(const unsigned char *) pers,
|
||||
strlen( pers ) ) ) != 0 )
|
||||
{
|
||||
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
|
||||
printf( " failed\n ! ctr_drbg_init returned -0x%04x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( "\n . Reading private key from '%s'", argv[1] );
|
||||
fflush( stdout );
|
||||
|
||||
pk_init( &pk );
|
||||
|
||||
if( ( ret = pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 )
|
||||
{
|
||||
ret = 1;
|
||||
printf( " failed\n ! Could not open '%s'\n", argv[1] );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* Compute the SHA-1 hash of the input file,
|
||||
* then calculate the signature of the hash.
|
||||
*/
|
||||
printf( "\n . Generating the SHA-1 signature" );
|
||||
fflush( stdout );
|
||||
|
||||
if( ( ret = sha1_file( argv[2], hash ) ) != 0 )
|
||||
{
|
||||
printf( " failed\n ! Could not open or read %s\n\n", argv[2] );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
if( ( ret = pk_sign( &pk, POLARSSL_MD_SHA1, hash, 0, buf, &olen,
|
||||
ctr_drbg_random, &ctr_drbg ) ) != 0 )
|
||||
{
|
||||
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
|
||||
printf( " failed\n ! pk_sign returned -0x%04x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* Write the signature into <filename>-sig.txt
|
||||
*/
|
||||
snprintf( filename, sizeof(filename), "%s.sig", argv[2] );
|
||||
|
||||
if( ( f = fopen( filename, "wb+" ) ) == NULL )
|
||||
{
|
||||
ret = 1;
|
||||
printf( " failed\n ! Could not create %s\n\n", filename );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
if( fwrite( buf, 1, olen, f ) != olen )
|
||||
{
|
||||
printf( "failed\n ! fwrite failed\n\n" );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
fclose( f );
|
||||
|
||||
printf( "\n . Done (created \"%s\")\n\n", filename );
|
||||
|
||||
exit:
|
||||
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_ENTROPY_C &&
|
||||
POLARSSL_SHA1_C && POLARSSL_PK_PARSE_C && POLARSSL_FS_IO &&
|
||||
POLARSSL_CTR_DRBG_C */
|
145
programs/pkey/pk_verify.c
Normal file
145
programs/pkey/pk_verify.c
Normal file
@ -0,0 +1,145 @@
|
||||
/*
|
||||
* Public key-based signature verification program
|
||||
*
|
||||
* Copyright (C) 2006-2013, Brainspark B.V.
|
||||
*
|
||||
* This file is part of PolarSSL (http://www.polarssl.org)
|
||||
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef _CRT_SECURE_NO_DEPRECATE
|
||||
#define _CRT_SECURE_NO_DEPRECATE 1
|
||||
#endif
|
||||
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "polarssl/config.h"
|
||||
|
||||
#include "polarssl/error.h"
|
||||
#include "polarssl/md.h"
|
||||
#include "polarssl/pk.h"
|
||||
#include "polarssl/sha1.h"
|
||||
|
||||
#if defined _MSC_VER && !defined snprintf
|
||||
#define snprintf _snprintf
|
||||
#endif
|
||||
|
||||
#if !defined(POLARSSL_BIGNUM_C) || \
|
||||
!defined(POLARSSL_SHA1_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_SHA1_C and/or POLARSSL_PK_PARSE_C and/or "
|
||||
"POLARSSL_FS_IO not defined.\n");
|
||||
return( 0 );
|
||||
}
|
||||
#else
|
||||
int main( int argc, char *argv[] )
|
||||
{
|
||||
FILE *f;
|
||||
int ret;
|
||||
size_t i;
|
||||
pk_context pk;
|
||||
unsigned char hash[20];
|
||||
unsigned char buf[POLARSSL_MPI_MAX_SIZE];
|
||||
char filename[512];
|
||||
|
||||
ret = 1;
|
||||
if( argc != 3 )
|
||||
{
|
||||
printf( "usage: pk_verify <key_file> <filename>\n" );
|
||||
|
||||
#if defined(_WIN32)
|
||||
printf( "\n" );
|
||||
#endif
|
||||
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( "\n . Reading public key from '%s'", argv[1] );
|
||||
fflush( stdout );
|
||||
|
||||
pk_init( &pk );
|
||||
|
||||
if( ( ret = pk_parse_public_keyfile( &pk, argv[1] ) ) != 0 )
|
||||
{
|
||||
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
|
||||
printf( " failed\n ! pk_parse_public_keyfile returned -0x%04x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* Extract the signature from the text file
|
||||
*/
|
||||
ret = 1;
|
||||
snprintf( filename, sizeof(filename), "%s.sig", argv[2] );
|
||||
|
||||
if( ( f = fopen( filename, "rb" ) ) == NULL )
|
||||
{
|
||||
printf( "\n ! Could not open %s\n\n", filename );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
|
||||
i = fread( buf, 1, sizeof(buf), f );
|
||||
|
||||
fclose( f );
|
||||
|
||||
/*
|
||||
* Compute the SHA-1 hash of the input file and compare
|
||||
* it with the hash decrypted from the signature.
|
||||
*/
|
||||
printf( "\n . Verifying the SHA-1 signature" );
|
||||
fflush( stdout );
|
||||
|
||||
if( ( ret = sha1_file( argv[2], hash ) ) != 0 )
|
||||
{
|
||||
printf( " failed\n ! Could not open or read %s\n\n", argv[2] );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
if( ( ret = pk_verify( &pk, POLARSSL_MD_SHA1, hash, 0,
|
||||
buf, i ) ) != 0 )
|
||||
{
|
||||
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
|
||||
printf( " failed\n ! pk_verify returned -0x%04x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( "\n . OK (the decrypted SHA-1 hash matches)\n\n" );
|
||||
|
||||
ret = 0;
|
||||
|
||||
exit:
|
||||
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_SHA1_C &&
|
||||
POLARSSL_PK_PARSE_C && POLARSSL_FS_IO */
|
Loading…
Reference in New Issue
Block a user