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Add tests for mbedtls_xor

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2022-11-22 17:31:50 +00:00
parent c3d8041fe7
commit 4413b6690f
2 changed files with 96 additions and 0 deletions
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20
tests/suites/test_suite_common.data Normal file
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Block xor, length 0
mbedtls_xor:0
Block xor, length 1
mbedtls_xor:1
Block xor, length 3
mbedtls_xor:3
Block xor, length 4
mbedtls_xor:4
Block xor, length 7
mbedtls_xor:7
Block xor, length 8
mbedtls_xor:8
Block xor, length 16
mbedtls_xor:16

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tests/suites/test_suite_common.function Normal file
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/* BEGIN_HEADER */
#include "../library/common.h"
void fill_arrays( unsigned char *a, unsigned char *b, unsigned char *r1, unsigned char *r2, size_t n )
{
for ( size_t i = 0; i < n; i++ )
{
a[i] = (unsigned char) i * 3;
b[i] = (unsigned char) i * 3 + 1;
r1[i] = (unsigned char) i * 3 + 2;
r2[i] = r1[i];
}
}
/* END_HEADER */
/* BEGIN_CASE */
void mbedtls_xor( int len )
{
size_t n = (size_t) len;
unsigned char *a = NULL, *b = NULL, *r1 = NULL, *r2 = NULL;
ASSERT_ALLOC( a, n );
ASSERT_ALLOC( b, n );
ASSERT_ALLOC( r1, n );
ASSERT_ALLOC( r2, n );
/* Test non-overlapping */
fill_arrays( a, b, r1, r2, n );
for ( size_t i = 0; i < n; i++ )
{
r1[i] = a[i] ^ b[i];
}
mbedtls_xor( r2, a, b, n );
ASSERT_COMPARE( r1, n, r2, n );
/* Test r == a */
fill_arrays( a, b, r1, r2, n );
for ( size_t i = 0; i < n; i++ )
{
r1[i] = r1[i] ^ b[i];
}
mbedtls_xor( r2, r2, b, n );
ASSERT_COMPARE( r1, n, r2, n );
/* Test r == b */
fill_arrays( a, b, r1, r2, n );
for ( size_t i = 0; i < n; i++ )
{
r1[i] = a[i] ^ r1[i];
}
mbedtls_xor( r2, a, r2, n );
ASSERT_COMPARE( r1, n, r2, n );
/* Test a == b */
fill_arrays( a, b, r1, r2, n );
for ( size_t i = 0; i < n; i++ )
{
r1[i] = a[i] ^ a[i];
}
mbedtls_xor( r2, a, a, n );
ASSERT_COMPARE( r1, n, r2, n );
/* Test a == b == r */
fill_arrays( a, b, r1, r2, n );
for ( size_t i = 0; i < n; i++ )
{
r1[i] = r1[i] ^ r1[i];
}
mbedtls_xor( r2, r2, r2, n );
ASSERT_COMPARE( r1, n, r2, n );
exit:
if ( a != NULL ) mbedtls_free( a );
if ( a != NULL ) mbedtls_free( b );
if ( r1 != NULL ) mbedtls_free( r1 );
if ( r2 != NULL ) mbedtls_free( r2 );
}
/* END_CASE */