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Add a test for calloc zeroization

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Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2023-04-25 05:19:42 -04:00
parent b9f8974c6c
commit c08ccd00f3
3 changed files with 18 additions and 1 deletions
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2
include/mbedtls/mbedtls_config.h
View file

@ -3680,7 +3680,7 @@
/* Platform options */
//#define MBEDTLS_PLATFORM_STD_MEM_HDR <stdlib.h> /**< Header to include if MBEDTLS_PLATFORM_NO_STD_FUNCTIONS is defined. Don't define if no header is needed. */
//#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined. Please note that it should zeroize the buffer after allocation. */
//#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined. Please note that it should zeroize the allocated buffer. */
//#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use, can be undefined */
//#define MBEDTLS_PLATFORM_STD_SETBUF setbuf /**< Default setbuf to use, can be undefined */
//#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */

3
tests/suites/test_suite_platform.data
View file

@ -4,3 +4,6 @@ time_get_milliseconds:
Time: get seconds
time_get_seconds:
Check mbedtls_calloc zeroization
check_mbedtls_calloc_zeroization:

14
tests/suites/test_suite_platform.function
View file

@ -120,3 +120,17 @@ void time_delay_seconds(int delay_secs)
goto exit;
}
/* END_CASE */
/* BEGIN_CASE */
void check_mbedtls_calloc_zeroization()
{
unsigned int buf_size = 256;
unsigned char *buf;
buf = mbedtls_calloc(buf_size, sizeof(unsigned char));
for (unsigned int i = 0; i < buf_size; i++) {
TEST_EQUAL(buf[i], 0);
}
exit:
mbedtls_free(buf);
}
/* END_CASE */