mbedtls/tests/suites/test_suite_lms.function
Raef Coles e9479a0264
Update LMS API to support multiple parameter sets
Parameterise macros to allow variation of sizes

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:36 +01:00

93 lines
3.2 KiB
C

/* BEGIN_HEADER */
#include "mbedtls/lms.h"
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_LMS_C:MBEDTLS_LMS_PRIVATE:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_CTR_DRBG_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void lms_sign_verify_test ( data_t * msg )
{
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_entropy_context entropy_ctx;
mbedtls_ctr_drbg_context drbg_ctx;
uint8_t seed[16];
int rc;
mbedtls_entropy_init( &entropy_ctx );
mbedtls_ctr_drbg_init( &drbg_ctx );
mbedtls_lms_init_public( &pub_ctx );
mbedtls_lms_init_private( &priv_ctx );
TEST_ASSERT( mbedtls_ctr_drbg_seed( &drbg_ctx, mbedtls_entropy_func,
&entropy_ctx, ( uint8_t* )"", 0 ) == 0 );
TEST_ASSERT( mbedtls_ctr_drbg_random( &drbg_ctx, seed, sizeof( seed ) ) == 0 );
/* Allocation failure isn't a test failure, since it likely just means there's not enough memory to run the test */
rc = mbedtls_lms_generate_private_key( &priv_ctx, MBEDTLS_LMS_SHA256_M32_H10,
MBEDTLS_LMOTS_SHA256_N32_W8,
mbedtls_ctr_drbg_random, &drbg_ctx, seed,
sizeof( seed ) );
TEST_ASSUME( rc != MBEDTLS_ERR_LMS_ALLOC_FAILED );
TEST_ASSERT( rc == 0 );
TEST_ASSERT( mbedtls_lms_calculate_public_key( &pub_ctx, &priv_ctx ) == 0 );
TEST_ASSERT( mbedtls_lms_sign( &priv_ctx, mbedtls_ctr_drbg_random,
&drbg_ctx, msg->x, msg->len, sig,
sizeof( sig ), NULL ) == 0 );
TEST_ASSERT( mbedtls_lms_verify( &pub_ctx, msg->x, msg->len, sig,
sizeof( sig ) ) == 0 );
exit:
mbedtls_entropy_free( &entropy_ctx );
mbedtls_ctr_drbg_free( &drbg_ctx );
mbedtls_lms_free_public( &pub_ctx );
mbedtls_lms_free_private( &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;
mbedtls_lms_init_public( &ctx);
mbedtls_lms_import_public_key( &ctx, pub_key->x, pub_key->len );
TEST_ASSERT( mbedtls_lms_verify( &ctx, msg->x, msg->len, sig->x, sig->len ) == expected_rc );
exit:
mbedtls_lms_free_public( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void lms_import_export_test ( data_t * pub_key )
{
mbedtls_lms_public_t ctx;
uint8_t exported_pub_key[MBEDTLS_LMS_PUBLIC_KEY_LEN(MBEDTLS_LMS_SHA256_M32_H10)];
mbedtls_lms_init_public(&ctx);
TEST_ASSERT( mbedtls_lms_import_public_key( &ctx, pub_key->x, pub_key->len ) == 0 );
TEST_ASSERT( mbedtls_lms_export_public_key( &ctx, exported_pub_key,
sizeof(exported_pub_key), NULL ) == 0 );
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) );
exit:
mbedtls_lms_free_public( &ctx );
}
/* END_CASE */