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- Added base Galois/Counter mode (GCM) for AES

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This commit is contained in:
Paul Bakker 2012-03-20 13:50:09 +00:00
parent b6ad62dd21
commit 89e80c9a43
16 changed files with 4158 additions and 4 deletions
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104
tests/suites/test_suite_gcm.function Normal file
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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