190 lines
6.9 KiB
C
190 lines
6.9 KiB
C
/* BEGIN_HEADER */
|
|
#include "mbedtls/lms.h"
|
|
|
|
/* END_HEADER */
|
|
|
|
/* BEGIN_DEPENDENCIES
|
|
* depends_on:MBEDTLS_LMS_C:PSA_WANT_ALG_SHA_256
|
|
* END_DEPENDENCIES
|
|
*/
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_LMS_PRIVATE */
|
|
void lms_sign_verify_test ( data_t *msg, data_t *seed )
|
|
{
|
|
mbedtls_lms_public_t pub_ctx;
|
|
mbedtls_lms_private_t priv_ctx;
|
|
unsigned char sig[MBEDTLS_LMS_SIG_LEN(MBEDTLS_LMS_SHA256_M32_H10, MBEDTLS_LMOTS_SHA256_N32_W8)];
|
|
|
|
mbedtls_lms_public_init( &pub_ctx );
|
|
mbedtls_lms_private_init( &priv_ctx );
|
|
|
|
/* Allocation failure isn't a test failure, since it likely just means
|
|
* there's not enough memory to run the test.
|
|
*/
|
|
TEST_EQUAL( mbedtls_lms_generate_private_key( &priv_ctx, MBEDTLS_LMS_SHA256_M32_H10,
|
|
MBEDTLS_LMOTS_SHA256_N32_W8,
|
|
mbedtls_test_rnd_std_rand, NULL,
|
|
seed->x, seed->len ), 0 );
|
|
|
|
TEST_EQUAL( mbedtls_lms_calculate_public_key( &pub_ctx, &priv_ctx ), 0 );
|
|
|
|
TEST_EQUAL( mbedtls_lms_sign( &priv_ctx, mbedtls_test_rnd_std_rand, NULL,
|
|
msg->x, msg->len, sig, sizeof( sig ),
|
|
NULL ), 0 );
|
|
|
|
TEST_EQUAL( mbedtls_lms_verify( &pub_ctx, msg->x, msg->len, sig,
|
|
sizeof( sig ) ), 0 );
|
|
|
|
exit:
|
|
mbedtls_lms_public_free( &pub_ctx );
|
|
mbedtls_lms_private_free( &priv_ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_LMS_PRIVATE */
|
|
void lms_sign_verify_null_msg_test( data_t *seed )
|
|
{
|
|
mbedtls_lms_public_t pub_ctx;
|
|
mbedtls_lms_private_t priv_ctx;
|
|
unsigned char sig[MBEDTLS_LMS_SIG_LEN(MBEDTLS_LMS_SHA256_M32_H10, MBEDTLS_LMOTS_SHA256_N32_W8)];
|
|
|
|
mbedtls_lms_public_init( &pub_ctx );
|
|
mbedtls_lms_private_init( &priv_ctx );
|
|
|
|
/* Allocation failure isn't a test failure, since it likely just means
|
|
* there's not enough memory to run the test.
|
|
*/
|
|
TEST_EQUAL( mbedtls_lms_generate_private_key( &priv_ctx, MBEDTLS_LMS_SHA256_M32_H10,
|
|
MBEDTLS_LMOTS_SHA256_N32_W8,
|
|
mbedtls_test_rnd_std_rand, NULL,
|
|
seed->x, seed->len ), 0 );
|
|
|
|
TEST_EQUAL( mbedtls_lms_calculate_public_key( &pub_ctx, &priv_ctx ), 0 );
|
|
|
|
TEST_EQUAL( mbedtls_lms_sign( &priv_ctx, mbedtls_test_rnd_std_rand, NULL,
|
|
NULL, 0, sig, sizeof( sig ),
|
|
NULL ), 0 );
|
|
|
|
TEST_EQUAL( mbedtls_lms_verify( &pub_ctx, NULL, 0, sig,
|
|
sizeof( sig ) ), 0 );
|
|
|
|
exit:
|
|
mbedtls_lms_public_free( &pub_ctx );
|
|
mbedtls_lms_private_free( &priv_ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void lms_verify_test ( data_t * msg, data_t * sig, data_t * pub_key,
|
|
int expected_rc )
|
|
{
|
|
mbedtls_lms_public_t ctx;
|
|
unsigned int size;
|
|
unsigned char *tmp_sig = NULL;
|
|
|
|
mbedtls_lms_public_init( &ctx);
|
|
|
|
TEST_EQUAL(mbedtls_lms_import_public_key( &ctx, pub_key->x, pub_key->len ), 0);
|
|
|
|
TEST_EQUAL(mbedtls_lms_verify( &ctx, msg->x, msg->len, sig->x, sig->len ), expected_rc);
|
|
|
|
/* Test negative cases if the input data is valid */
|
|
if( expected_rc == 0 )
|
|
{
|
|
if( msg->len >= 1 )
|
|
{
|
|
/* Altering first message byte must cause verification failure */
|
|
msg->x[0] ^= 1;
|
|
TEST_EQUAL(mbedtls_lms_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
|
|
MBEDTLS_ERR_LMS_VERIFY_FAILED);
|
|
msg->x[0] ^= 1;
|
|
|
|
/* Altering last message byte must cause verification failure */
|
|
msg->x[msg->len - 1] ^= 1;
|
|
TEST_EQUAL(mbedtls_lms_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
|
|
MBEDTLS_ERR_LMS_VERIFY_FAILED);
|
|
msg->x[msg->len - 1] ^= 1;
|
|
}
|
|
|
|
if( sig->len >= 1 )
|
|
{
|
|
/* Altering first signature byte must cause verification failure */
|
|
sig->x[0] ^= 1;
|
|
TEST_EQUAL(mbedtls_lms_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
|
|
MBEDTLS_ERR_LMS_VERIFY_FAILED);
|
|
sig->x[0] ^= 1;
|
|
|
|
/* Altering last signature byte must cause verification failure */
|
|
sig->x[sig->len - 1] ^= 1;
|
|
TEST_EQUAL(mbedtls_lms_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
|
|
MBEDTLS_ERR_LMS_VERIFY_FAILED);
|
|
sig->x[sig->len - 1] ^= 1;
|
|
}
|
|
|
|
/* Signatures of all sizes must not verify, whether shorter or longer */
|
|
for( size = 0; size < sig->len; size++ ) {
|
|
if( size == sig->len )
|
|
continue;
|
|
|
|
ASSERT_ALLOC( tmp_sig, size );
|
|
if( tmp_sig != NULL )
|
|
memcpy( tmp_sig, sig->x, MIN(size, sig->len) );
|
|
|
|
TEST_EQUAL(mbedtls_lms_verify( &ctx, msg->x, msg->len, tmp_sig, size ),
|
|
MBEDTLS_ERR_LMS_VERIFY_FAILED);
|
|
mbedtls_free( tmp_sig );
|
|
tmp_sig = NULL;
|
|
}
|
|
}
|
|
|
|
exit:
|
|
if( tmp_sig != NULL )
|
|
mbedtls_free( tmp_sig );
|
|
mbedtls_lms_public_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void lms_import_export_test ( data_t * pub_key, int expected_import_rc )
|
|
{
|
|
mbedtls_lms_public_t ctx;
|
|
size_t exported_pub_key_buf_size = 0;
|
|
size_t exported_pub_key_size = 0;
|
|
unsigned char *exported_pub_key = NULL;
|
|
|
|
mbedtls_lms_public_init(&ctx);
|
|
TEST_EQUAL( mbedtls_lms_import_public_key( &ctx, pub_key->x, pub_key->len ),
|
|
expected_import_rc );
|
|
|
|
if( expected_import_rc == 0 )
|
|
{
|
|
exported_pub_key_buf_size = MBEDTLS_LMS_PUBLIC_KEY_LEN(MBEDTLS_LMS_SHA256_M32_H10);
|
|
ASSERT_ALLOC( exported_pub_key, exported_pub_key_buf_size );
|
|
|
|
TEST_EQUAL( mbedtls_lms_export_public_key( &ctx, exported_pub_key,
|
|
exported_pub_key_buf_size,
|
|
&exported_pub_key_size ), 0 );
|
|
|
|
TEST_EQUAL( exported_pub_key_buf_size, exported_pub_key_size );
|
|
ASSERT_COMPARE( pub_key->x, MBEDTLS_LMS_PUBLIC_KEY_LEN(MBEDTLS_LMS_SHA256_M32_H10),
|
|
exported_pub_key, MBEDTLS_LMS_PUBLIC_KEY_LEN(MBEDTLS_LMS_SHA256_M32_H10) );
|
|
mbedtls_free(exported_pub_key);
|
|
exported_pub_key = NULL;
|
|
|
|
/* Export into too-small buffer should fail */
|
|
exported_pub_key_buf_size = MBEDTLS_LMS_PUBLIC_KEY_LEN(MBEDTLS_LMS_SHA256_M32_H10) - 1;
|
|
ASSERT_ALLOC( exported_pub_key, exported_pub_key_buf_size);
|
|
TEST_EQUAL( mbedtls_lms_export_public_key( &ctx, exported_pub_key,
|
|
exported_pub_key_buf_size, NULL ),
|
|
MBEDTLS_ERR_LMS_BUFFER_TOO_SMALL );
|
|
mbedtls_free(exported_pub_key);
|
|
exported_pub_key = NULL;
|
|
}
|
|
|
|
exit:
|
|
if( exported_pub_key != NULL )
|
|
mbedtls_free( exported_pub_key );
|
|
mbedtls_lms_public_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|