Merge remote-tracking branch 'origin/pr/2364' into mbedtls-2.16
* origin/pr/2364:
Increase okm_hex buffer to contain null character
Minor modifications to hkdf test
Add explanation for okm_string size
Update ChangeLog
Reduce buffer size of okm
Reduce Stack usage of hkdf test function
diff --git a/ChangeLog b/ChangeLog
index a0c2844..428a917 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23,6 +23,7 @@
Christian Walther in #2239.
* Fix potential memory leak in X.509 self test. Found and fixed by
Junhwan Park, #2106.
+ * Reduce stack usage of hkdf tests. Fixes #2195.
Changes
* Return from various debugging routines immediately if the
diff --git a/tests/suites/test_suite_hkdf.function b/tests/suites/test_suite_hkdf.function
index c85a51a..3e87207 100644
--- a/tests/suites/test_suite_hkdf.function
+++ b/tests/suites/test_suite_hkdf.function
@@ -14,12 +14,16 @@
{
int ret;
size_t ikm_len, salt_len, info_len, okm_len;
- unsigned char ikm[1024] = { '\0' };
- unsigned char salt[1024] = { '\0' };
- unsigned char info[1024] = { '\0' };
- unsigned char expected_okm[1024] = { '\0' };
- unsigned char okm[1024] = { '\0' };
- unsigned char okm_string[1000] = { '\0' };
+ unsigned char ikm[128] = { '\0' };
+ unsigned char salt[128] = { '\0' };
+ unsigned char info[128] = { '\0' };
+ unsigned char expected_okm[128] = { '\0' };
+ unsigned char okm[128] = { '\0' };
+ /*
+ * okm_hex is the string representation of okm,
+ * so its size is twice the size of okm, and an extra null-termination.
+ */
+ unsigned char okm_hex[257] = { '\0' };
const mbedtls_md_info_t *md = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md != NULL );
@@ -34,8 +38,8 @@
TEST_ASSERT( ret == 0 );
// Run hexify on it so that it looks nicer if the assertion fails
- hexify( okm_string, okm, okm_len );
- TEST_ASSERT( !strcmp( (char *)okm_string, hex_okm_string ) );
+ hexify( okm_hex, okm, okm_len );
+ TEST_ASSERT( !strcmp( (char *)okm_hex, hex_okm_string ) );
}
/* END_CASE */