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- Added test application for RSASSA-PSS signing and verification
This commit is contained in:
Paul Bakker
parent
e77db2e119
commit
2291f6c19d
125
programs/pkey/rsa_sign_pss.c
Normal file
125
programs/pkey/rsa_sign_pss.c
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@ -0,0 +1,125 @@
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/*
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* RSASSA-PSS/SHA-1 signature creation program
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*
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* Copyright (C) 2006-2010, 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/havege.h"
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#include "polarssl/md.h"
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#include "polarssl/rsa.h"
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#include "polarssl/sha1.h"
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#include "polarssl/x509.h"
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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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rsa_context rsa;
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havege_state hs;
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unsigned char hash[20];
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unsigned char buf[512];
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char filename[512];
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ret = 1;
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if( argc != 3 )
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{
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printf( "usage: rsa_sign_pss <key_file> <filename>\n" );
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#ifdef 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 . Reading private key from '%s'", argv[1] );
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fflush( stdout );
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havege_init( &hs );
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rsa_init( &rsa, RSA_PKCS_V21, POLARSSL_MD_SHA1 );
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if( ( ret = x509parse_keyfile( &rsa, argv[1], "" ) ) != 0 )
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{
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ret = 1;
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printf( " failed\n ! Could not open '%s'\n", argv[1] );
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goto exit;
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}
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/*
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* Compute the SHA-1 hash of the input file,
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* then calculate the RSA signature of the hash.
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*/
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printf( "\n . Generating the RSA/SHA-1 signature" );
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fflush( stdout );
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if( ( ret = sha1_file( argv[2], hash ) ) != 0 )
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{
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printf( " failed\n ! Could not open or read %s\n\n", argv[2] );
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goto exit;
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}
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if( ( ret = rsa_pkcs1_sign( &rsa, havege_rand, &hs, RSA_PRIVATE, SIG_RSA_SHA1,
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20, hash, buf ) ) != 0 )
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{
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printf( " failed\n ! rsa_pkcs1_sign returned %d\n\n", ret );
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goto exit;
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}
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/*
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* Write the signature into <filename>-sig.txt
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*/
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snprintf( filename, 512, "%s.sig", argv[2] );
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if( ( f = fopen( filename, "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", filename );
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goto exit;
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}
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if( fwrite( buf, 1, rsa.len, f ) != (size_t) rsa.len )
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{
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printf( "failed\n ! fwrite failed\n\n" );
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goto exit;
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}
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fclose( f );
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printf( "\n . Done (created \"%s\")\n\n", filename );
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exit:
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#ifdef 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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125
programs/pkey/rsa_verify_pss.c
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125
programs/pkey/rsa_verify_pss.c
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@ -0,0 +1,125 @@
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/*
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* RSASSA-PSS/SHA-1 signature verification program
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*
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* Copyright (C) 2006-2010, 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/md.h"
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#include "polarssl/pem.h"
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#include "polarssl/rsa.h"
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#include "polarssl/sha1.h"
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#include "polarssl/x509.h"
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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, i;
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rsa_context rsa;
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unsigned char hash[20];
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unsigned char buf[512];
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char filename[512];
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ret = 1;
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if( argc != 3 )
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{
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printf( "usage: rsa_verify_pss <key_file> <filename>\n" );
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#ifdef 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 . Reading public key from '%s'", argv[1] );
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fflush( stdout );
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rsa_init( &rsa, RSA_PKCS_V21, POLARSSL_MD_SHA1 );
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if( ( ret = x509parse_public_keyfile( &rsa, argv[1] ) ) != 0 )
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{
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printf( " failed\n ! x509parse_public_key returned %d\n\n", ret );
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goto exit;
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}
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/*
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* Extract the RSA signature from the text file
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*/
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ret = 1;
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snprintf( filename, 512, "%s.sig", argv[2] );
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if( ( f = fopen( filename, "rb" ) ) == NULL )
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{
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printf( "\n ! Could not open %s\n\n", filename );
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goto exit;
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}
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i = fread( buf, 1, rsa.len, f );
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fclose( f );
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if( i != rsa.len )
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{
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printf( "\n ! Invalid RSA signature format\n\n" );
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goto exit;
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}
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/*
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* Compute the SHA-1 hash of the input file and compare
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* it with the hash decrypted from the RSA signature.
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*/
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printf( "\n . Verifying the RSA/SHA-1 signature" );
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fflush( stdout );
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if( ( ret = sha1_file( argv[2], hash ) ) != 0 )
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{
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printf( " failed\n ! Could not open or read %s\n\n", argv[2] );
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goto exit;
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}
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if( ( ret = rsa_pkcs1_verify( &rsa, RSA_PUBLIC, SIG_RSA_SHA1,
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20, hash, buf ) ) != 0 )
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{
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printf( " failed\n ! rsa_pkcs1_verify returned %d\n\n", ret );
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goto exit;
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}
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printf( "\n . OK (the decrypted SHA-1 hash matches)\n\n" );
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ret = 0;
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exit:
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#ifdef 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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