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Merge pull request #5236 from gabor-mezei-arm/4926_base64_move_constant-time_functions

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Move base64 constant-time functions to the new module
This commit is contained in:
Manuel Pégourié-Gonnard
2021-12-09 12:40:18 +01:00
committed by GitHub
parent b873577fc3 a09697527b
commit d7d740eb6e
6 changed files with 154 additions and 133 deletions
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9
tests/suites/test_suite_base64.function
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@@ -1,6 +1,7 @@
/* BEGIN_HEADER */
#include "mbedtls/base64.h"
#include "base64_invasive.h"
#include "constant_time_internal.h"
#include "constant_time_invasive.h"
#include <test/constant_flow.h>
#if defined(MBEDTLS_TEST_HOOKS)
@@ -24,7 +25,7 @@ void mask_of_range( int low_arg, int high_arg )
{
mbedtls_test_set_step( c );
TEST_CF_SECRET( &c, sizeof( c ) );
unsigned char m = mbedtls_base64_mask_of_range( low, high, c );
unsigned char m = mbedtls_ct_uchar_mask_of_range( low, high, c );
TEST_CF_PUBLIC( &c, sizeof( c ) );
TEST_CF_PUBLIC( &m, sizeof( m ) );
if( low <= c && c <= high )
@@ -42,7 +43,7 @@ void enc_chars( )
{
mbedtls_test_set_step( value );
TEST_CF_SECRET( &value, sizeof( value ) );
unsigned char digit = mbedtls_base64_enc_char( value );
unsigned char digit = mbedtls_ct_base64_enc_char( value );
TEST_CF_PUBLIC( &value, sizeof( value ) );
TEST_CF_PUBLIC( &digit, sizeof( digit ) );
TEST_EQUAL( digit, base64_digits[value] );
@@ -66,7 +67,7 @@ void dec_chars( )
else
expected = p - base64_digits;
TEST_CF_SECRET( &c, sizeof( c ) );
signed char actual = mbedtls_base64_dec_value( c );
signed char actual = mbedtls_ct_base64_dec_value( c );
TEST_CF_PUBLIC( &c, sizeof( c ) );
TEST_CF_PUBLIC( &actual, sizeof( actual ) );
TEST_EQUAL( actual, expected );