Added pk_decrypt, pk_encrypt, pk_sign, pk_verify example applications

This commit is contained in:
Paul Bakker 2013-09-18 15:34:57 +02:00
parent 45f21c7ad1
commit 940f9ce515
7 changed files with 660 additions and 2 deletions

4
programs/.gitignore vendored
View file

@ -13,6 +13,10 @@ pkey/ecdsa
pkey/key_app
pkey/key_app_writer
pkey/mpi_demo
pkey/pk_decrypt
pkey/pk_encrypt
pkey/pk_sign
pkey/pk_verify
pkey/rsa_decrypt
pkey/rsa_encrypt
pkey/rsa_genkey

View file

@ -26,7 +26,9 @@ APPS = aes/aescrypt2 aes/crypt_and_hash \
hash/sha2sum pkey/dh_client \
pkey/dh_genprime pkey/dh_server \
pkey/key_app pkey/key_app_writer \
pkey/mpi_demo pkey/rsa_genkey \
pkey/mpi_demo pkey/pk_decrypt \
pkey/pk_encrypt pkey/pk_sign \
pkey/pk_verify pkey/rsa_genkey \
pkey/rsa_decrypt pkey/rsa_encrypt \
pkey/rsa_sign pkey/rsa_verify \
pkey/rsa_sign_pss pkey/rsa_verify_pss \
@ -107,6 +109,22 @@ pkey/mpi_demo: pkey/mpi_demo.c ../library/libpolarssl.a
echo " CC pkey/mpi_demo.c"
$(CC) $(CFLAGS) $(OFLAGS) pkey/mpi_demo.c $(LDFLAGS) -o $@
pkey/pk_decrypt: pkey/pk_decrypt.c ../library/libpolarssl.a
echo " CC pkey/pk_decrypt.c"
$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_decrypt.c $(LDFLAGS) -o $@
pkey/pk_encrypt: pkey/pk_encrypt.c ../library/libpolarssl.a
echo " CC pkey/pk_encrypt.c"
$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_encrypt.c $(LDFLAGS) -o $@
pkey/pk_sign: pkey/pk_sign.c ../library/libpolarssl.a
echo " CC pkey/pk_sign.c"
$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_sign.c $(LDFLAGS) -o $@
pkey/pk_verify: pkey/pk_verify.c ../library/libpolarssl.a
echo " CC pkey/pk_verify.c"
$(CC) $(CFLAGS) $(OFLAGS) pkey/pk_verify.c $(LDFLAGS) -o $@
pkey/rsa_genkey: pkey/rsa_genkey.c ../library/libpolarssl.a
echo " CC pkey/rsa_genkey.c"
$(CC) $(CFLAGS) $(OFLAGS) pkey/rsa_genkey.c $(LDFLAGS) -o $@

View file

@ -40,6 +40,18 @@ target_link_libraries(rsa_encrypt polarssl)
add_executable(rsa_decrypt rsa_decrypt.c)
target_link_libraries(rsa_decrypt polarssl)
install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt
add_executable(pk_sign pk_sign.c)
target_link_libraries(pk_sign polarssl)
add_executable(pk_verify pk_verify.c)
target_link_libraries(pk_verify polarssl)
add_executable(pk_encrypt pk_encrypt.c)
target_link_libraries(pk_encrypt polarssl)
add_executable(pk_decrypt pk_decrypt.c)
target_link_libraries(pk_decrypt polarssl)
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
DESTINATION "bin"
PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)

156
programs/pkey/pk_decrypt.c Normal file
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@ -0,0 +1,156 @@
/*
* Public key-based simple decryption 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/pk.h"
#include "polarssl/entropy.h"
#include "polarssl/ctr_drbg.h"
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_PK_PARSE_C) || \
!defined(POLARSSL_FS_IO) || !defined(POLARSSL_ENTROPY_C) || \
!defined(POLARSSL_CTR_DRBG_C)
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 and/or POLARSSL_ENTROPY_C and/or "
"POLARSSL_CTR_DRBG_C not defined.\n");
return( 0 );
}
#else
int main( int argc, char *argv[] )
{
FILE *f;
int ret, c;
size_t i, olen = 0;
pk_context pk;
entropy_context entropy;
ctr_drbg_context ctr_drbg;
unsigned char result[1024];
unsigned char buf[512];
const char *pers = "pk_decrypt";
((void) argv);
memset(result, 0, sizeof( result ) );
ret = 1;
if( argc != 2 )
{
printf( "usage: pk_decrypt <key_file>\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 )
{
printf( " failed\n ! ctr_drbg_init returned %d\n", ret );
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 )
{
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
printf( " failed\n ! pk_parse_keyfile returned -0x%04x - %s\n\n", -ret,
buf );
goto exit;
}
/*
* Extract the RSA encrypted value from the text file
*/
ret = 1;
if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )
{
printf( "\n ! Could not open %s\n\n", "result-enc.txt" );
goto exit;
}
i = 0;
while( fscanf( f, "%02X", &c ) > 0 &&
i < (int) sizeof( buf ) )
buf[i++] = (unsigned char) c;
fclose( f );
/*
* Decrypt the encrypted RSA data and print the result.
*/
printf( "\n . Decrypting the encrypted data" );
fflush( stdout );
if( ( ret = pk_decrypt( &pk, buf, i, result, &olen, sizeof(result),
ctr_drbg_random, &ctr_drbg ) ) != 0 )
{
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
printf( " failed\n ! pk_decrypt returned -0x%04x - %s\n\n", -ret,
buf );
goto exit;
}
printf( "\n . OK\n\n" );
printf( "The decrypted result is: '%s'\n\n", result );
ret = 0;
exit:
#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 &&
POLARSSL_ENTROPY_C && POLARSSL_CTR_DRBG_C */

155
programs/pkey/pk_encrypt.c Normal file
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@ -0,0 +1,155 @@
/*
* RSA simple data encryption program
*
* Copyright (C) 2006-2011, 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/pk.h"
#include "polarssl/entropy.h"
#include "polarssl/ctr_drbg.h"
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_PK_PARSE_C) || \
!defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_FS_IO) || \
!defined(POLARSSL_CTR_DRBG_C)
int main( int argc, char *argv[] )
{
((void) argc);
((void) argv);
printf("POLARSSL_BIGNUM_C and/or POLARSSL_PK_PARSE_C and/or "
"POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO and/or "
"POLARSSL_CTR_DRBG_C not defined.\n");
return( 0 );
}
#else
int main( int argc, char *argv[] )
{
FILE *f;
int ret;
size_t i, olen = 0;
pk_context pk;
entropy_context entropy;
ctr_drbg_context ctr_drbg;
unsigned char input[1024];
unsigned char buf[512];
const char *pers = "pk_encrypt";
ret = 1;
if( argc != 3 )
{
printf( "usage: pk_encrypt <key_file> <string of max 100 characters>\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 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;
}
if( strlen( argv[2] ) > 100 )
{
printf( " Input data larger than 100 characters.\n\n" );
goto exit;
}
memcpy( input, argv[2], strlen( argv[2] ) );
/*
* Calculate the RSA encryption of the hash.
*/
printf( "\n . Generating the encrypted value" );
fflush( stdout );
if( ( ret = pk_encrypt( &pk, input, strlen( argv[2] ),
buf, &olen, sizeof(buf),
ctr_drbg_random, &ctr_drbg ) ) != 0 )
{
polarssl_strerror( ret, (char *) buf, sizeof(buf) );
printf( " failed\n ! pk_encrypt returned -0x%04x - %s\n\n", -ret, buf );
goto exit;
}
/*
* Write the signature into result-enc.txt
*/
if( ( f = fopen( "result-enc.txt", "wb+" ) ) == NULL )
{
ret = 1;
printf( " failed\n ! Could not create %s\n\n", "result-enc.txt" );
goto exit;
}
for( i = 0; i < olen; i++ )
fprintf( f, "%02X%s", buf[i],
( i + 1 ) % 16 == 0 ? "\r\n" : " " );
fclose( f );
printf( "\n . Done (created \"%s\")\n\n", "result-enc.txt" );
exit:
#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_ENTROPY_C &&
POLARSSL_FS_IO && POLARSSL_CTR_DRBG_C */

168
programs/pkey/pk_sign.c Normal file
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@ -0,0 +1,168 @@
/*
* Public key-based signature creation 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/entropy.h"
#include "polarssl/ctr_drbg.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_ENTROPY_C) || \
!defined(POLARSSL_SHA1_C) || \
!defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO) || \
!defined(POLARSSL_CTR_DRBG_C)
int main( int argc, char *argv[] )
{
((void) argc);
((void) argv);
printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
"POLARSSL_SHA1_C and/or "
"POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO and/or "
"POLARSSL_CTR_DRBG_C not defined.\n");
return( 0 );
}
#else
int main( int argc, char *argv[] )
{
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
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@ -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 */