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- Moved all examples programs to use the new entropy and CTR_DRBG

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This commit is contained in:
Paul Bakker 2011-12-04 17:09:26 +00:00
parent 4dc6457274
commit 508ad5ab6d
15 changed files with 343 additions and 143 deletions
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34
programs/pkey/rsa_encrypt.c
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@ -33,17 +33,20 @@
#include "polarssl/config.h"
#include "polarssl/rsa.h"
#include "polarssl/havege.h"
#include "polarssl/entropy.h"
#include "polarssl/ctr_drbg.h"
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) || \
!defined(POLARSSL_HAVEGE_C) || !defined(POLARSSL_FS_IO)
!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_RSA_C and/or "
"POLARSSL_HAVEGE_C and/or POLARSSL_FS_IO not defined.\n");
"POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO and/or "
"POLARSSL_CTR_DRBG_C not defined.\n");
return( 0 );
}
#else
@ -53,11 +56,11 @@ int main( int argc, char *argv[] )
int ret;
size_t i;
rsa_context rsa;
havege_state hs;
entropy_context entropy;
ctr_drbg_context ctr_drbg;
unsigned char input[1024];
unsigned char buf[512];
havege_init( &hs );
char *pers = "rsa_encrypt";
ret = 1;
@ -72,6 +75,17 @@ int main( int argc, char *argv[] )
goto exit;
}
printf( "\n . Seeding the random number generator..." );
fflush( stdout );
entropy_init( &entropy );
if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
(unsigned char *) pers, strlen( pers ) ) ) != 0 )
{
printf( " failed\n ! ctr_drbg_init returned %d\n", ret );
goto exit;
}
printf( "\n . Reading public key from rsa_pub.txt" );
fflush( stdout );
@ -110,7 +124,9 @@ int main( int argc, char *argv[] )
printf( "\n . Generating the RSA encrypted value" );
fflush( stdout );
if( ( ret = rsa_pkcs1_encrypt( &rsa, havege_random, &hs, RSA_PUBLIC, strlen( argv[1] ), input, buf ) ) != 0 )
if( ( ret = rsa_pkcs1_encrypt( &rsa, ctr_drbg_random, &ctr_drbg,
RSA_PUBLIC, strlen( argv[1] ),
input, buf ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_encrypt returned %d\n\n", ret );
goto exit;
@ -143,5 +159,5 @@ exit:
return( ret );
}
#endif /* POLARSSL_BIGNUM_C && POLARSSL_RSA_C && POLARSSL_HAVEGE_C &&
POLARSSL_FS_IO */
#endif /* POLARSSL_BIGNUM_C && POLARSSL_RSA_C && POLARSSL_ENTROPY_C &&
POLARSSL_FS_IO && POLARSSL_CTR_DRBG_C */