- Added base Galois/Counter mode (GCM) for AES
diff --git a/tests/suites/test_suite_gcm.function b/tests/suites/test_suite_gcm.function
new file mode 100644
index 0000000..17d3c1b
--- /dev/null
+++ b/tests/suites/test_suite_gcm.function
@@ -0,0 +1,104 @@
+BEGIN_HEADER
+#include <polarssl/gcm.h>
+END_HEADER
+
+BEGIN_DEPENDENCIES
+depends_on:POLARSSL_GCM_C
+END_DEPENDENCIES
+
+BEGIN_CASE
+gcm_encrypt_and_tag:hex_key_string:hex_src_string:hex_iv_string:hex_add_string:hex_dst_string:tag_len:hex_tag_string:init_result
+{
+ unsigned char key_str[128];
+ unsigned char src_str[128];
+ unsigned char dst_str[257];
+ unsigned char iv_str[128];
+ unsigned char add_str[128];
+ unsigned char tag_str[128];
+ unsigned char output[128];
+ unsigned char tag_output[16];
+ gcm_context ctx;
+ unsigned int key_len;
+ size_t pt_len, iv_len, add_len, tag_len = {tag_len} / 8;
+
+ memset(key_str, 0x00, 128);
+ memset(src_str, 0x00, 128);
+ memset(dst_str, 0x00, 256);
+ memset(iv_str, 0x00, 128);
+ memset(add_str, 0x00, 128);
+ memset(tag_str, 0x00, 128);
+ memset(output, 0x00, 128);
+ memset(tag_output, 0x00, 16);
+
+ key_len = unhexify( key_str, {hex_key_string} );
+ pt_len = unhexify( src_str, {hex_src_string} );
+ iv_len = unhexify( iv_str, {hex_iv_string} );
+ add_len = unhexify( add_str, {hex_add_string} );
+
+ TEST_ASSERT( gcm_init( &ctx, key_str, key_len * 8 ) == {init_result} );
+ if( {init_result} == 0 )
+ {
+ TEST_ASSERT( gcm_crypt_and_tag( &ctx, GCM_ENCRYPT, pt_len, iv_str, iv_len, add_str, add_len, src_str, output, tag_len, tag_output ) == 0 );
+ hexify( dst_str, output, pt_len );
+ hexify( tag_str, tag_output, tag_len );
+
+ TEST_ASSERT( strcmp( (char *) dst_str, {hex_dst_string} ) == 0 );
+ TEST_ASSERT( strcmp( (char *) tag_str, {hex_tag_string} ) == 0 );
+ }
+}
+END_CASE
+
+BEGIN_CASE
+gcm_decrypt_and_verify:hex_key_string:hex_src_string:hex_iv_string:hex_add_string:tag_len:hex_tag_string:pt_result:init_result
+{
+ unsigned char key_str[128];
+ unsigned char src_str[128];
+ unsigned char dst_str[257];
+ unsigned char iv_str[128];
+ unsigned char add_str[128];
+ unsigned char tag_str[128];
+ unsigned char output[128];
+ gcm_context ctx;
+ unsigned int key_len;
+ size_t pt_len, iv_len, add_len, tag_len = {tag_len} / 8;
+ int ret;
+
+ memset(key_str, 0x00, 128);
+ memset(src_str, 0x00, 128);
+ memset(dst_str, 0x00, 256);
+ memset(iv_str, 0x00, 128);
+ memset(add_str, 0x00, 128);
+ memset(tag_str, 0x00, 128);
+ memset(output, 0x00, 128);
+
+ key_len = unhexify( key_str, {hex_key_string} );
+ pt_len = unhexify( src_str, {hex_src_string} );
+ iv_len = unhexify( iv_str, {hex_iv_string} );
+ add_len = unhexify( add_str, {hex_add_string} );
+ unhexify( tag_str, {hex_tag_string} );
+
+ TEST_ASSERT( gcm_init( &ctx, key_str, key_len * 8 ) == {init_result} );
+ if( {init_result} == 0 )
+ {
+ ret = gcm_auth_decrypt( &ctx, pt_len, iv_str, iv_len, add_str, add_len, tag_str, tag_len, src_str, output );
+
+ if( strcmp( "FAIL", {pt_result} ) == 0 )
+ {
+ TEST_ASSERT( ret == POLARSSL_ERR_GCM_AUTH_FAILED );
+ }
+ else
+ {
+ hexify( dst_str, output, pt_len );
+
+ TEST_ASSERT( strcmp( (char *) dst_str, {pt_result} ) == 0 );
+ }
+ }
+}
+END_CASE
+
+BEGIN_CASE
+gcm_selftest:
+{
+ TEST_ASSERT( gcm_self_test( 0 ) == 0 );
+}
+END_CASE