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Adapt rsa_encrypt example program to new RSA interface

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This commit is contained in:
Hanno Becker 2017-08-23 06:47:06 +01:00
parent d6ba5e3d8b
commit 0c2639386e
1 changed files with 14 additions and 5 deletions
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19
programs/pkey/rsa_encrypt.c
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@ -69,6 +69,7 @@ int main( int argc, char *argv[] )
unsigned char input[1024];
unsigned char buf[512];
const char *pers = "rsa_encrypt";
mbedtls_mpi N, E;
exit_val = MBEDTLS_EXIT_SUCCESS;
@ -86,6 +87,7 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout );
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
mbedtls_ctr_drbg_init( &ctr_drbg );
mbedtls_entropy_init( &entropy );
@ -112,8 +114,8 @@ int main( int argc, char *argv[] )
goto exit;
}
if( ( return_val = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 ||
( return_val = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 )
if( ( return_val = mbedtls_mpi_read_file( &N, 16, f ) ) != 0 ||
( return_val = mbedtls_mpi_read_file( &E, 16, f ) ) != 0 )
{
exit_val = MBEDTLS_EXIT_FAILURE;
mbedtls_printf( " failed\n ! mbedtls_mpi_read_file returned %d\n\n",
@ -121,11 +123,17 @@ int main( int argc, char *argv[] )
fclose( f );
goto exit;
}
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );
if( ( return_val = mbedtls_rsa_import( &rsa, &N, NULL,
NULL, NULL, &E ) ) != 0 )
{
exit_val = MBEDTLS_EXIT_FAILURE;
mbedtls_printf( " failed\n ! mbedtls_rsa_import returned %d\n\n",
return_val );
goto exit;
}
if( strlen( argv[1] ) > 100 )
{
exit_val = MBEDTLS_EXIT_FAILURE;
@ -171,6 +179,7 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Done (created \"%s\")\n\n", "result-enc.txt" );
exit:
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy );
mbedtls_rsa_free( &rsa );