110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/* BEGIN_HEADER */
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#include "lmots.h"
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#include "mbedtls/lms.h"
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#include "mbedtls/entropy.h"
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#include "mbedtls/ctr_drbg.h"
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_LMS_C:MBEDTLS_SHA256_C:MBEDTLS_CTR_DRBG_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void lmots_sign_verify_test ( data_t * msg )
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{
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mbedtls_lmots_context ctx;
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unsigned char sig[MBEDTLS_LMOTS_SIG_LEN];
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mbedtls_entropy_context entropy_ctx;
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mbedtls_ctr_drbg_context drbg_ctx;
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uint8_t seed[16];
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mbedtls_entropy_init( &entropy_ctx );
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mbedtls_ctr_drbg_init( &drbg_ctx );
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mbedtls_lmots_init( &ctx );
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TEST_ASSERT( mbedtls_ctr_drbg_seed( &drbg_ctx, mbedtls_entropy_func,
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&entropy_ctx, (uint8_t*)"", 0 ) == 0 );
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TEST_ASSERT( mbedtls_ctr_drbg_random( &drbg_ctx, seed, sizeof( seed ) ) == 0 );
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TEST_ASSERT( mbedtls_lmots_set_algorithm_type(&ctx, MBEDTLS_LMOTS_SHA256_N32_W8) == 0 );
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TEST_ASSERT( mbedtls_lmots_gen_privkey(&ctx, (uint8_t[16]){0}, 0x12, seed, sizeof( seed ) ) == 0 );
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TEST_ASSERT( mbedtls_lmots_gen_pubkey(&ctx) == 0 );
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TEST_ASSERT( mbedtls_lmots_sign(&ctx, mbedtls_ctr_drbg_random, &drbg_ctx, msg->x, msg->len, sig ) == 0 );
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TEST_ASSERT( mbedtls_lmots_verify(&ctx, msg->x, msg->len, sig) == 0 );
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exit:
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mbedtls_entropy_free( &entropy_ctx );
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mbedtls_ctr_drbg_free( &drbg_ctx );
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mbedtls_lmots_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void lmots_verify_test ( data_t * msg, data_t * sig, data_t * pub_key,
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int expected_rc )
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{
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mbedtls_lmots_context ctx;
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mbedtls_lmots_init( &ctx );
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mbedtls_lmots_import_pubkey( &ctx, pub_key->x );
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TEST_ASSERT(mbedtls_lmots_verify( &ctx, msg->x, msg->len, sig->x ) == expected_rc );
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exit:
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mbedtls_lmots_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void lmots_import_export_test ( data_t * pub_key )
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{
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mbedtls_lmots_context ctx;
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uint8_t exported_pub_key[MBEDTLS_LMOTS_PUBKEY_LEN];
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mbedtls_lmots_init( &ctx );
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TEST_ASSERT( mbedtls_lmots_import_pubkey( &ctx, pub_key->x ) == 0 );
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TEST_ASSERT( mbedtls_lmots_export_pubkey( &ctx, exported_pub_key ) == 0 );
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TEST_ASSERT( memcmp( pub_key->x, exported_pub_key, MBEDTLS_LMOTS_PUBKEY_LEN ) == 0 );
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exit:
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mbedtls_lmots_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void lmots_reuse_test ( data_t * msg )
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{
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mbedtls_lmots_context ctx;
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unsigned char sig[MBEDTLS_LMOTS_SIG_LEN];
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mbedtls_entropy_context entropy_ctx;
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mbedtls_ctr_drbg_context drbg_ctx;
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uint8_t seed[16];
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mbedtls_entropy_init( &entropy_ctx );
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mbedtls_ctr_drbg_init( &drbg_ctx );
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TEST_ASSERT( mbedtls_ctr_drbg_seed(&drbg_ctx, mbedtls_entropy_func,
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&entropy_ctx, (uint8_t*)"", 0 ) == 0 );
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mbedtls_ctr_drbg_random( &drbg_ctx, seed, sizeof( seed ) );
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mbedtls_lmots_init( &ctx );
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TEST_ASSERT( mbedtls_lmots_set_algorithm_type( &ctx, MBEDTLS_LMOTS_SHA256_N32_W8 ) == 0 );
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TEST_ASSERT( mbedtls_lmots_gen_privkey(&ctx, (uint8_t[16]){0}, 0x12, seed, sizeof( seed ) ) == 0 );
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TEST_ASSERT( mbedtls_lmots_sign(&ctx, mbedtls_ctr_drbg_random, &drbg_ctx, msg->x, msg->len, sig ) == 0 );
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/* Running another sign operation should fail, since the key should now have
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* been erased.
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*/
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TEST_ASSERT( mbedtls_lmots_sign(&ctx, mbedtls_ctr_drbg_random, &drbg_ctx, msg->x, msg->len, sig ) != 0 );
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exit:
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mbedtls_entropy_free( &entropy_ctx );
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mbedtls_ctr_drbg_free( &drbg_ctx );
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mbedtls_lmots_free( &ctx );
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}
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/* END_CASE */
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