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mbedtls/tests/suites/test_suite_mpi.function
Darryl Green ac2ead0e68 Improve deterministic test for prime testing 
Extend the mbedtls_mpi_is_prime_det test to check that it reports
the number as prime when testing rounds-1 rounds, then reports the
number as composite when testing the full number of rounds.
2018-10-09 16:36:53 +01:00

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/* BEGIN_HEADER */
#include "mbedtls/bignum.h"
typedef struct mbedtls_test_mpi_random
{
data_t *data;
size_t pos;
size_t chunk_len;
} mbedtls_test_mpi_random;
/*
* This function is called by the Miller-Rabin primality test each time it
* chooses a random witness. The witnesses (or non-witnesses as provided by the
* test) are stored in the data member of the state structure. Each number is in
* the format that mbedtls_mpi_read_string understands and is chunk_len long.
*/
int mbedtls_test_mpi_miller_rabin_determinizer( void* state,
unsigned char* buf,
size_t len )
{
mbedtls_test_mpi_random *random = (mbedtls_test_mpi_random*) state;
if( random == NULL || random->data->x == NULL || buf == NULL )
return( -1 );
if( random->pos + random->chunk_len > random->data->len
|| random->chunk_len > len )
{
return( -1 );
}
memset( buf, 0, len );
/* The witness is written to the end of the buffer, since the buffer is
* used as big endian, unsigned binary data in mbedtls_mpi_read_binary.
* Writing the witness to the start of the buffer would result in the
* buffer being 'witness 000...000', which would be treated as
* witness * 2^n for some n. */
memcpy( buf + len - random->chunk_len, &random->data->x[random->pos],
random->chunk_len );
random->pos += random->chunk_len;
return( 0 );
}
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_BIGNUM_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void mpi_null( )
{
mbedtls_mpi X, Y, Z;
mbedtls_mpi_init( &X );
mbedtls_mpi_init( &Y );
mbedtls_mpi_init( &Z );
TEST_ASSERT( mbedtls_mpi_get_bit( &X, 42 ) == 0 );
TEST_ASSERT( mbedtls_mpi_lsb( &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_bitlen( &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_size( &X ) == 0 );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_read_write_string( int radix_X, char * input_X, int radix_A,
char * input_A, int output_size, int result_read,
int result_write )
{
mbedtls_mpi X;
char str[1000];
size_t len;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == result_read );
if( result_read == 0 )
{
TEST_ASSERT( mbedtls_mpi_write_string( &X, radix_A, str, output_size, &len ) == result_write );
if( result_write == 0 )
{
TEST_ASSERT( strcasecmp( str, input_A ) == 0 );
}
}
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_read_binary( data_t * buf, int radix_A, char * input_A )
{
mbedtls_mpi X;
unsigned char str[1000];
size_t len;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_binary( &X, buf->x, buf->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_write_string( &X, radix_A, (char *) str, sizeof( str ), &len ) == 0 );
TEST_ASSERT( strcmp( (char *) str, input_A ) == 0 );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_write_binary( int radix_X, char * input_X,
data_t * input_A, int output_size,
int result )
{
mbedtls_mpi X;
unsigned char buf[1000];
size_t buflen;
memset( buf, 0x00, 1000 );
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
buflen = mbedtls_mpi_size( &X );
if( buflen > (size_t) output_size )
buflen = (size_t) output_size;
TEST_ASSERT( mbedtls_mpi_write_binary( &X, buf, buflen ) == result );
if( result == 0)
{
TEST_ASSERT( hexcmp( buf, input_A->x, buflen, input_A->len ) == 0 );
}
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_FS_IO */
void mbedtls_mpi_read_file( int radix_X, char * input_file,
data_t * input_A, int result )
{
mbedtls_mpi X;
unsigned char buf[1000];
size_t buflen;
FILE *file;
int ret;
memset( buf, 0x00, 1000 );
mbedtls_mpi_init( &X );
file = fopen( input_file, "r" );
TEST_ASSERT( file != NULL );
ret = mbedtls_mpi_read_file( &X, radix_X, file );
fclose(file);
TEST_ASSERT( ret == result );
if( result == 0 )
{
buflen = mbedtls_mpi_size( &X );
TEST_ASSERT( mbedtls_mpi_write_binary( &X, buf, buflen ) == 0 );
TEST_ASSERT( hexcmp( buf, input_A->x, buflen, input_A->len ) == 0 );
}
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_FS_IO */
void mbedtls_mpi_write_file( int radix_X, char * input_X, int output_radix,
char * output_file )
{
mbedtls_mpi X, Y;
FILE *file_out, *file_in;
int ret;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
file_out = fopen( output_file, "w" );
TEST_ASSERT( file_out != NULL );
ret = mbedtls_mpi_write_file( NULL, &X, output_radix, file_out );
fclose(file_out);
TEST_ASSERT( ret == 0 );
file_in = fopen( output_file, "r" );
TEST_ASSERT( file_in != NULL );
ret = mbedtls_mpi_read_file( &Y, output_radix, file_in );
fclose(file_in);
TEST_ASSERT( ret == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_get_bit( int radix_X, char * input_X, int pos, int val )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_get_bit( &X, pos ) == val );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_set_bit( int radix_X, char * input_X, int pos, int val,
int radix_Y, char * output_Y, int result )
{
mbedtls_mpi X, Y;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, output_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_set_bit( &X, pos, val ) == result );
if( result == 0 )
{
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == 0 );
}
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_lsb( int radix_X, char * input_X, int nr_bits )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_lsb( &X ) == (size_t) nr_bits );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_bitlen( int radix_X, char * input_X, int nr_bits )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_bitlen( &X ) == (size_t) nr_bits );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_gcd( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi A, X, Y, Z;
mbedtls_mpi_init( &A ); mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_gcd( &Z, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &A ); mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_cmp_int( int input_X, int input_A, int result_CMP )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_lset( &X, input_X ) == 0);
TEST_ASSERT( mbedtls_mpi_cmp_int( &X, input_A ) == result_CMP);
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_cmp_mpi( int radix_X, char * input_X, int radix_Y,
char * input_Y, int input_A )
{
mbedtls_mpi X, Y;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == input_A );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_cmp_abs( int radix_X, char * input_X, int radix_Y,
char * input_Y, int input_A )
{
mbedtls_mpi X, Y;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_abs( &X, &Y ) == input_A );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_copy( int input_X, int input_A )
{
mbedtls_mpi X, Y, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_lset( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &Y, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_copy( &Y, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) != 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_copy_self( int input_X )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_lset( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_copy( &X, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &X, input_X ) == 0 );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_shrink( int before, int used, int min, int after )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_grow( &X, before ) == 0 );
TEST_ASSERT( used <= before );
memset( X.p, 0x2a, used * sizeof( mbedtls_mpi_uint ) );
TEST_ASSERT( mbedtls_mpi_shrink( &X, min ) == 0 );
TEST_ASSERT( X.n == (size_t) after );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_safe_cond_assign( int x_sign, char * x_str, int y_sign,
char * y_str )
{
mbedtls_mpi X, Y, XX;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &XX );
TEST_ASSERT( mbedtls_mpi_read_string( &X, 16, x_str ) == 0 );
X.s = x_sign;
TEST_ASSERT( mbedtls_mpi_read_string( &Y, 16, y_str ) == 0 );
Y.s = y_sign;
TEST_ASSERT( mbedtls_mpi_copy( &XX, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_safe_cond_assign( &X, &Y, 0 ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &XX ) == 0 );
TEST_ASSERT( mbedtls_mpi_safe_cond_assign( &X, &Y, 1 ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &XX );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_safe_cond_swap( int x_sign, char * x_str, int y_sign,
char * y_str )
{
mbedtls_mpi X, Y, XX, YY;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
mbedtls_mpi_init( &XX ); mbedtls_mpi_init( &YY );
TEST_ASSERT( mbedtls_mpi_read_string( &X, 16, x_str ) == 0 );
X.s = x_sign;
TEST_ASSERT( mbedtls_mpi_read_string( &Y, 16, y_str ) == 0 );
Y.s = y_sign;
TEST_ASSERT( mbedtls_mpi_copy( &XX, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_copy( &YY, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_safe_cond_swap( &X, &Y, 0 ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &XX ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &YY ) == 0 );
TEST_ASSERT( mbedtls_mpi_safe_cond_swap( &X, &Y, 1 ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &XX ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &YY ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
mbedtls_mpi_free( &XX ); mbedtls_mpi_free( &YY );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_swap( int input_X, int input_Y )
{
mbedtls_mpi X, Y, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_lset( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &A, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
mbedtls_mpi_swap( &X, &Y );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_add_mpi( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi X, Y, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_mpi( &Z, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_add_mpi_inplace( int radix_X, char * input_X, int radix_A,
char * input_A )
{
mbedtls_mpi X, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_sub_abs( &X, &X, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &X, 0 ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_abs( &X, &X, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_mpi( &X, &X, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_add_abs( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi X, Y, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_abs( &Z, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_add_abs_add_first( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi X, Y, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_abs( &X, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_add_abs_add_second( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi X, Y, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_abs( &Y, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_add_int( int radix_X, char * input_X, int input_Y,
int radix_A, char * input_A )
{
mbedtls_mpi X, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_int( &Z, &X, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_sub_mpi( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi X, Y, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_sub_mpi( &Z, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_sub_abs( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A,
int sub_result )
{
mbedtls_mpi X, Y, Z, A;
int res;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
res = mbedtls_mpi_sub_abs( &Z, &X, &Y );
TEST_ASSERT( res == sub_result );
if( res == 0 )
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_sub_int( int radix_X, char * input_X, int input_Y,
int radix_A, char * input_A )
{
mbedtls_mpi X, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_sub_int( &Z, &X, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_mul_mpi( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A )
{
mbedtls_mpi X, Y, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_mul_mpi( &Z, &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_mul_int( int radix_X, char * input_X, int input_Y,
int radix_A, char * input_A,
char * result_comparison )
{
mbedtls_mpi X, Z, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_mul_int( &Z, &X, input_Y ) == 0 );
if( strcmp( result_comparison, "==" ) == 0 )
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
else if( strcmp( result_comparison, "!=" ) == 0 )
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) != 0 );
else
TEST_ASSERT( "unknown operator" == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_div_mpi( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A,
int radix_B, char * input_B, int div_result )
{
mbedtls_mpi X, Y, Q, R, A, B;
int res;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &R );
mbedtls_mpi_init( &A ); mbedtls_mpi_init( &B );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &B, radix_B, input_B ) == 0 );
res = mbedtls_mpi_div_mpi( &Q, &R, &X, &Y );
TEST_ASSERT( res == div_result );
if( res == 0 )
{
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Q, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R, &B ) == 0 );
}
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &R );
mbedtls_mpi_free( &A ); mbedtls_mpi_free( &B );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_div_int( int radix_X, char * input_X, int input_Y,
int radix_A, char * input_A, int radix_B,
char * input_B, int div_result )
{
mbedtls_mpi X, Q, R, A, B;
int res;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &R ); mbedtls_mpi_init( &A );
mbedtls_mpi_init( &B );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &B, radix_B, input_B ) == 0 );
res = mbedtls_mpi_div_int( &Q, &R, &X, input_Y );
TEST_ASSERT( res == div_result );
if( res == 0 )
{
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Q, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R, &B ) == 0 );
}
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &R ); mbedtls_mpi_free( &A );
mbedtls_mpi_free( &B );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_mod_mpi( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A,
int div_result )
{
mbedtls_mpi X, Y, A;
int res;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
res = mbedtls_mpi_mod_mpi( &X, &X, &Y );
TEST_ASSERT( res == div_result );
if( res == 0 )
{
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
}
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_mod_int( int radix_X, char * input_X, int input_Y,
int input_A, int div_result )
{
mbedtls_mpi X;
int res;
mbedtls_mpi_uint r;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
res = mbedtls_mpi_mod_int( &r, &X, input_Y );
TEST_ASSERT( res == div_result );
if( res == 0 )
{
TEST_ASSERT( r == (mbedtls_mpi_uint) input_A );
}
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_exp_mod( int radix_A, char * input_A, int radix_E,
char * input_E, int radix_N, char * input_N,
int radix_RR, char * input_RR, int radix_X,
char * input_X, int div_result )
{
mbedtls_mpi A, E, N, RR, Z, X;
int res;
mbedtls_mpi_init( &A ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &N );
mbedtls_mpi_init( &RR ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
if( strlen( input_RR ) )
TEST_ASSERT( mbedtls_mpi_read_string( &RR, radix_RR, input_RR ) == 0 );
res = mbedtls_mpi_exp_mod( &Z, &A, &E, &N, &RR );
TEST_ASSERT( res == div_result );
if( res == 0 )
{
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &X ) == 0 );
}
exit:
mbedtls_mpi_free( &A ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &N );
mbedtls_mpi_free( &RR ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_inv_mod( int radix_X, char * input_X, int radix_Y,
char * input_Y, int radix_A, char * input_A,
int div_result )
{
mbedtls_mpi X, Y, Z, A;
int res;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
res = mbedtls_mpi_inv_mod( &Z, &X, &Y );
TEST_ASSERT( res == div_result );
if( res == 0 )
{
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
}
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_GENPRIME */
void mbedtls_mpi_is_prime( int radix_X, char * input_X, int div_result )
{
mbedtls_mpi X;
int res;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
res = mbedtls_mpi_is_prime_ext( &X, 40, rnd_std_rand, NULL );
TEST_ASSERT( res == div_result );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_GENPRIME */
void mbedtls_mpi_is_prime_det( data_t * input_X, data_t * witnesses,
int chunk_len, int rounds )
{
mbedtls_mpi X;
int res;
mbedtls_test_mpi_random rand;
mbedtls_mpi_init( &X );
rand.data = witnesses;
rand.pos = 0;
rand.chunk_len = chunk_len;
TEST_ASSERT( mbedtls_mpi_read_binary( &X, input_X->x, input_X->len ) == 0 );
res = mbedtls_mpi_is_prime_ext( &X, rounds - 1,
mbedtls_test_mpi_miller_rabin_determinizer,
&rand );
TEST_ASSERT( res == 0 );
rand.data = witnesses;
rand.pos = 0;
rand.chunk_len = chunk_len;
res = mbedtls_mpi_is_prime_ext( &X, rounds,
mbedtls_test_mpi_miller_rabin_determinizer,
&rand );
TEST_ASSERT( res == MBEDTLS_ERR_MPI_NOT_ACCEPTABLE );
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_GENPRIME */
void mbedtls_mpi_gen_prime( int bits, int flags, int ref_ret )
{
mbedtls_mpi X;
int my_ret;
mbedtls_mpi_init( &X );
my_ret = mbedtls_mpi_gen_prime( &X, bits, flags, rnd_std_rand, NULL );
TEST_ASSERT( my_ret == ref_ret );
if( ref_ret == 0 )
{
size_t actual_bits = mbedtls_mpi_bitlen( &X );
TEST_ASSERT( actual_bits >= (size_t) bits );
TEST_ASSERT( actual_bits <= (size_t) bits + 1 );
TEST_ASSERT( mbedtls_mpi_is_prime_ext( &X, 40, rnd_std_rand, NULL )
== 0 );
if( flags & MBEDTLS_MPI_GEN_PRIME_FLAG_DH )
{
/* X = ( X - 1 ) / 2 */
TEST_ASSERT( mbedtls_mpi_shift_r( &X, 1 ) == 0 );
TEST_ASSERT( mbedtls_mpi_is_prime_ext( &X, 40, rnd_std_rand, NULL )
== 0 );
}
}
exit:
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_shift_l( int radix_X, char * input_X, int shift_X,
int radix_A, char * input_A )
{
mbedtls_mpi X, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_shift_l( &X, shift_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_shift_r( int radix_X, char * input_X, int shift_X,
int radix_A, char * input_A )
{
mbedtls_mpi X, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_shift_r( &X, shift_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void mpi_selftest( )
{
TEST_ASSERT( mbedtls_mpi_self_test( 1 ) == 0 );
}
/* END_CASE */
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