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Add check for return code of bignumber code

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Add check for return code of `mbedtls_mpi_write_file`
as commented by @sbutcher-arm
This commit is contained in:
Ron Eldor 2017-08-24 14:20:17 +03:00
parent 8266acacc8
commit 6a9257bc57
1 changed files with 25 additions and 25 deletions
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50
programs/pkey/key_app.c
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@ -105,7 +105,7 @@ int main( int argc, char *argv[] )
{
usage:
mbedtls_printf( USAGE );
goto exit;
goto cleanup;
}
opt.mode = DFL_MODE;
@ -155,13 +155,13 @@ int main( int argc, char *argv[] )
if( ( f = fopen( opt.password_file, "rb" ) ) == NULL )
{
mbedtls_printf( " failed\n ! fopen returned NULL\n" );
goto exit;
goto cleanup;
}
if( fgets( buf, sizeof(buf), f ) == NULL )
{
fclose( f );
mbedtls_printf( "Error: fgets() failed to retrieve password\n" );
goto exit;
goto cleanup;
}
fclose( f );
@ -182,7 +182,7 @@ int main( int argc, char *argv[] )
if( ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%04x\n", -ret );
goto exit;
goto cleanup;
}
mbedtls_printf( " ok\n" );
@ -203,14 +203,14 @@ int main( int argc, char *argv[] )
goto exit;
}
mbedtls_mpi_write_file( "N: ", &N, 16, NULL );
mbedtls_mpi_write_file( "E: ", &E, 16, NULL );
mbedtls_mpi_write_file( "D: ", &D, 16, NULL );
mbedtls_mpi_write_file( "P: ", &P, 16, NULL );
mbedtls_mpi_write_file( "Q: ", &Q, 16, NULL );
mbedtls_mpi_write_file( "DP: ", &DP, 16, NULL );
mbedtls_mpi_write_file( "DQ: ", &DQ, 16, NULL );
mbedtls_mpi_write_file( "QP: ", &QP, 16, NULL );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "N: ", &rsa->N, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "E: ", &rsa->E, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "D: ", &rsa->D, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "P: ", &rsa->P, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q: ", &rsa->Q, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "DP: ", &rsa->DP, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "DQ: ", &rsa->DQ, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "QP: ", &rsa->QP, 16, NULL ) );
}
else
#endif
@ -218,16 +218,16 @@ int main( int argc, char *argv[] )
if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY )
{
mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL );
mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL );
mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL );
mbedtls_mpi_write_file( "D : ", &ecp->d , 16, NULL );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "D : ", &ecp->d , 16, NULL ) );
}
else
#endif
{
mbedtls_printf("Do not know how to print key information for this type\n" );
goto exit;
goto cleanup;
}
}
else if( opt.mode == MODE_PUBLIC )
@ -243,7 +243,7 @@ int main( int argc, char *argv[] )
if( ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_pk_parse_public_keyfile returned -0x%04x\n", -ret );
goto exit;
goto cleanup;
}
mbedtls_printf( " ok\n" );
@ -260,8 +260,8 @@ int main( int argc, char *argv[] )
mbedtls_printf( " failed\n ! could not export RSA parameters\n\n" );
goto exit;
}
mbedtls_mpi_write_file( "N: ", &N, 16, NULL );
mbedtls_mpi_write_file( "E: ", &E, 16, NULL );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "N: ", &rsa->N, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "E: ", &rsa->E, 16, NULL ) );
}
else
#endif
@ -269,21 +269,21 @@ int main( int argc, char *argv[] )
if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY )
{
mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL );
mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL );
mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ) );
}
else
#endif
{
mbedtls_printf("Do not know how to print key information for this type\n" );
goto exit;
goto cleanup;
}
}
else
goto usage;
exit:
cleanup:
#if defined(MBEDTLS_ERROR_C)
if( ret != 0 )