diff options
Diffstat (limited to 'externals/mbedtls/tests/suites/test_suite_ecdsa.function')
| -rw-r--r-- | externals/mbedtls/tests/suites/test_suite_ecdsa.function | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/externals/mbedtls/tests/suites/test_suite_ecdsa.function b/externals/mbedtls/tests/suites/test_suite_ecdsa.function deleted file mode 100644 index 7b1718fb2e..0000000000 --- a/externals/mbedtls/tests/suites/test_suite_ecdsa.function +++ /dev/null @@ -1,555 +0,0 @@ -/* BEGIN_HEADER */ -#include "mbedtls/ecdsa.h" -/* END_HEADER */ - -/* BEGIN_DEPENDENCIES - * depends_on:MBEDTLS_ECDSA_C - * END_DEPENDENCIES - */ - -/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ -void ecdsa_invalid_param( ) -{ - mbedtls_ecdsa_context ctx; - mbedtls_ecp_keypair key; - mbedtls_ecp_group grp; - mbedtls_ecp_group_id valid_group = MBEDTLS_ECP_DP_SECP192R1; - mbedtls_ecp_point P; - mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256; - mbedtls_mpi m; - size_t slen; - unsigned char buf[42] = { 0 }; - - TEST_INVALID_PARAM( mbedtls_ecdsa_init( NULL ) ); - TEST_VALID_PARAM( mbedtls_ecdsa_free( NULL ) ); - -#if defined(MBEDTLS_ECP_RESTARTABLE) - TEST_INVALID_PARAM( mbedtls_ecdsa_restart_init( NULL ) ); - TEST_VALID_PARAM( mbedtls_ecdsa_restart_free( NULL ) ); -#endif /* MBEDTLS_ECP_RESTARTABLE */ - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign( NULL, &m, &m, &m, - buf, sizeof( buf ), - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign( &grp, NULL, &m, &m, - buf, sizeof( buf ), - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign( &grp, &m, NULL, &m, - buf, sizeof( buf ), - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign( &grp, &m, &m, NULL, - buf, sizeof( buf ), - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign( &grp, &m, &m, &m, - NULL, sizeof( buf ), - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign( &grp, &m, &m, &m, - buf, sizeof( buf ), - NULL, NULL ) ); - -#if defined(MBEDTLS_ECDSA_DETERMINISTIC) - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det( NULL, &m, &m, &m, - buf, sizeof( buf ), - valid_md ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det( &grp, NULL, &m, &m, - buf, sizeof( buf ), - valid_md ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det( &grp, &m, NULL, &m, - buf, sizeof( buf ), - valid_md ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det( &grp, &m, &m, NULL, - buf, sizeof( buf ), - valid_md ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det( &grp, &m, &m, &m, - NULL, sizeof( buf ), - valid_md ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det_ext( NULL, &m, &m, &m, - buf, sizeof( buf ), - valid_md, - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det_ext( &grp, NULL, &m, &m, - buf, sizeof( buf ), - valid_md, - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det_ext( &grp, &m, NULL, &m, - buf, sizeof( buf ), - valid_md, - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det_ext( &grp, &m, &m, NULL, - buf, sizeof( buf ), - valid_md, - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_sign_det_ext( &grp, &m, &m, &m, - NULL, sizeof( buf ), - valid_md, - rnd_std_rand, NULL ) ); -#endif /* MBEDTLS_ECDSA_DETERMINISTIC */ - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_verify( NULL, - buf, sizeof( buf ), - &P, &m, &m ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_verify( &grp, - NULL, sizeof( buf ), - &P, &m, &m ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_verify( &grp, - buf, sizeof( buf ), - NULL, &m, &m ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_verify( &grp, - buf, sizeof( buf ), - &P, NULL, &m ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_verify( &grp, - buf, sizeof( buf ), - &P, &m, NULL ) ); - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature( NULL, - valid_md, - buf, sizeof( buf ), - buf, &slen, - rnd_std_rand, - NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature( &ctx, - valid_md, - NULL, sizeof( buf ), - buf, &slen, - rnd_std_rand, - NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature( &ctx, - valid_md, - buf, sizeof( buf ), - NULL, &slen, - rnd_std_rand, - NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature( &ctx, - valid_md, - buf, sizeof( buf ), - buf, NULL, - rnd_std_rand, - NULL ) ); - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature_restartable( NULL, - valid_md, - buf, sizeof( buf ), - buf, &slen, - rnd_std_rand, - NULL, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature_restartable( &ctx, - valid_md, - NULL, sizeof( buf ), - buf, &slen, - rnd_std_rand, - NULL, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature_restartable( &ctx, - valid_md, - buf, sizeof( buf ), - NULL, &slen, - rnd_std_rand, - NULL, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_write_signature_restartable( &ctx, - valid_md, - buf, sizeof( buf ), - buf, NULL, - rnd_std_rand, - NULL, NULL ) ); - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_read_signature( NULL, - buf, sizeof( buf ), - buf, sizeof( buf ) ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_read_signature( &ctx, - NULL, sizeof( buf ), - buf, sizeof( buf ) ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_read_signature( &ctx, - buf, sizeof( buf ), - NULL, sizeof( buf ) ) ); - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_read_signature_restartable( NULL, - buf, sizeof( buf ), - buf, sizeof( buf ), - NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_read_signature_restartable( &ctx, - NULL, sizeof( buf ), - buf, sizeof( buf ), - NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_read_signature_restartable( &ctx, - buf, sizeof( buf ), - NULL, sizeof( buf ), - NULL ) ); - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_genkey( NULL, valid_group, - rnd_std_rand, NULL ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_genkey( &ctx, valid_group, - NULL, NULL ) ); - - - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_from_keypair( NULL, &key ) ); - TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, - mbedtls_ecdsa_from_keypair( &ctx, NULL ) ); - -exit: - return; -} -/* END_CASE */ - -/* BEGIN_CASE */ -void ecdsa_prim_random( int id ) -{ - mbedtls_ecp_group grp; - mbedtls_ecp_point Q; - mbedtls_mpi d, r, s; - rnd_pseudo_info rnd_info; - unsigned char buf[MBEDTLS_MD_MAX_SIZE]; - - mbedtls_ecp_group_init( &grp ); - mbedtls_ecp_point_init( &Q ); - mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s ); - memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); - memset( buf, 0, sizeof( buf ) ); - - /* prepare material for signature */ - TEST_ASSERT( rnd_pseudo_rand( &rnd_info, buf, sizeof( buf ) ) == 0 ); - TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); - TEST_ASSERT( mbedtls_ecp_gen_keypair( &grp, &d, &Q, &rnd_pseudo_rand, &rnd_info ) - == 0 ); - - TEST_ASSERT( mbedtls_ecdsa_sign( &grp, &r, &s, &d, buf, sizeof( buf ), - &rnd_pseudo_rand, &rnd_info ) == 0 ); - TEST_ASSERT( mbedtls_ecdsa_verify( &grp, buf, sizeof( buf ), &Q, &r, &s ) == 0 ); - -exit: - mbedtls_ecp_group_free( &grp ); - mbedtls_ecp_point_free( &Q ); - mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s ); -} -/* END_CASE */ - -/* BEGIN_CASE */ -void ecdsa_prim_test_vectors( int id, char * d_str, char * xQ_str, - char * yQ_str, data_t * rnd_buf, - data_t * hash, char * r_str, char * s_str, - int result ) -{ - mbedtls_ecp_group grp; - mbedtls_ecp_point Q; - mbedtls_mpi d, r, s, r_check, s_check; - rnd_buf_info rnd_info; - - mbedtls_ecp_group_init( &grp ); - mbedtls_ecp_point_init( &Q ); - mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s ); - mbedtls_mpi_init( &r_check ); mbedtls_mpi_init( &s_check ); - - TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); - TEST_ASSERT( mbedtls_ecp_point_read_string( &Q, 16, xQ_str, yQ_str ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &d, 16, d_str ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &r_check, 16, r_str ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &s_check, 16, s_str ) == 0 ); - rnd_info.buf = rnd_buf->x; - rnd_info.length = rnd_buf->len; - - /* Fix rnd_buf->x by shifting it left if necessary */ - if( grp.nbits % 8 != 0 ) - { - unsigned char shift = 8 - ( grp.nbits % 8 ); - size_t i; - - for( i = 0; i < rnd_info.length - 1; i++ ) - rnd_buf->x[i] = rnd_buf->x[i] << shift | rnd_buf->x[i+1] >> ( 8 - shift ); - - rnd_buf->x[rnd_info.length-1] <<= shift; - } - - TEST_ASSERT( mbedtls_ecdsa_sign( &grp, &r, &s, &d, hash->x, hash->len, - rnd_buffer_rand, &rnd_info ) == result ); - - if ( result == 0) - { - TEST_ASSERT( mbedtls_mpi_cmp_mpi( &r, &r_check ) == 0 ); - TEST_ASSERT( mbedtls_mpi_cmp_mpi( &s, &s_check ) == 0 ); - - TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q, &r_check, &s_check ) == 0 ); - - TEST_ASSERT( mbedtls_mpi_sub_int( &r, &r, 1 ) == 0 ); - TEST_ASSERT( mbedtls_mpi_add_int( &s, &s, 1 ) == 0 ); - - TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, - &Q, &r, &s_check ) == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, - &Q, &r_check, &s ) == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, - &grp.G, &r_check, &s_check ) == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - } - -exit: - mbedtls_ecp_group_free( &grp ); - mbedtls_ecp_point_free( &Q ); - mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s ); - mbedtls_mpi_free( &r_check ); mbedtls_mpi_free( &s_check ); -} -/* END_CASE */ - -/* BEGIN_CASE depends_on:MBEDTLS_ECDSA_DETERMINISTIC */ -void ecdsa_det_test_vectors( int id, char * d_str, int md_alg, char * msg, - char * r_str, char * s_str ) -{ - mbedtls_ecp_group grp; - mbedtls_mpi d, r, s, r_check, s_check; - unsigned char hash[MBEDTLS_MD_MAX_SIZE]; - size_t hlen; - const mbedtls_md_info_t *md_info; - - mbedtls_ecp_group_init( &grp ); - mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s ); - mbedtls_mpi_init( &r_check ); mbedtls_mpi_init( &s_check ); - memset( hash, 0, sizeof( hash ) ); - - TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &d, 16, d_str ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &r_check, 16, r_str ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &s_check, 16, s_str ) == 0 ); - - md_info = mbedtls_md_info_from_type( md_alg ); - TEST_ASSERT( md_info != NULL ); - hlen = mbedtls_md_get_size( md_info ); - TEST_ASSERT( mbedtls_md( md_info, (const unsigned char *) msg, - strlen( msg ), hash ) == 0 ); - - TEST_ASSERT( mbedtls_ecdsa_sign_det( &grp, &r, &s, &d, hash, hlen, md_alg ) == 0 ); - - TEST_ASSERT( mbedtls_mpi_cmp_mpi( &r, &r_check ) == 0 ); - TEST_ASSERT( mbedtls_mpi_cmp_mpi( &s, &s_check ) == 0 ); - - mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s ); - mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s ); - - TEST_ASSERT( - mbedtls_ecdsa_sign_det_ext( &grp, &r, &s, &d, hash, hlen, - md_alg, rnd_std_rand, NULL ) - == 0 ); - - TEST_ASSERT( mbedtls_mpi_cmp_mpi( &r, &r_check ) == 0 ); - TEST_ASSERT( mbedtls_mpi_cmp_mpi( &s, &s_check ) == 0 ); -exit: - mbedtls_ecp_group_free( &grp ); - mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s ); - mbedtls_mpi_free( &r_check ); mbedtls_mpi_free( &s_check ); -} -/* END_CASE */ - -/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */ -void ecdsa_write_read_random( int id ) -{ - mbedtls_ecdsa_context ctx; - rnd_pseudo_info rnd_info; - unsigned char hash[32]; - unsigned char sig[200]; - size_t sig_len, i; - - mbedtls_ecdsa_init( &ctx ); - memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); - memset( hash, 0, sizeof( hash ) ); - memset( sig, 0x2a, sizeof( sig ) ); - - /* prepare material for signature */ - TEST_ASSERT( rnd_pseudo_rand( &rnd_info, hash, sizeof( hash ) ) == 0 ); - - /* generate signing key */ - TEST_ASSERT( mbedtls_ecdsa_genkey( &ctx, id, &rnd_pseudo_rand, &rnd_info ) == 0 ); - - /* generate and write signature, then read and verify it */ - TEST_ASSERT( mbedtls_ecdsa_write_signature( &ctx, MBEDTLS_MD_SHA256, - hash, sizeof( hash ), - sig, &sig_len, &rnd_pseudo_rand, &rnd_info ) == 0 ); - TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ), - sig, sig_len ) == 0 ); - - /* check we didn't write past the announced length */ - for( i = sig_len; i < sizeof( sig ); i++ ) - TEST_ASSERT( sig[i] == 0x2a ); - - /* try verification with invalid length */ - TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ), - sig, sig_len - 1 ) != 0 ); - TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ), - sig, sig_len + 1 ) != 0 ); - - /* try invalid sequence tag */ - sig[0]++; - TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ), - sig, sig_len ) != 0 ); - sig[0]--; - - /* try modifying r */ - sig[10]++; - TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ), - sig, sig_len ) == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - sig[10]--; - - /* try modifying s */ - sig[sig_len - 1]++; - TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ), - sig, sig_len ) == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - sig[sig_len - 1]--; - -exit: - mbedtls_ecdsa_free( &ctx ); -} -/* END_CASE */ - -/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */ -void ecdsa_read_restart( int id, data_t *pk, data_t *hash, data_t *sig, - int max_ops, int min_restart, int max_restart ) -{ - mbedtls_ecdsa_context ctx; - mbedtls_ecdsa_restart_ctx rs_ctx; - int ret, cnt_restart; - - mbedtls_ecdsa_init( &ctx ); - mbedtls_ecdsa_restart_init( &rs_ctx ); - - TEST_ASSERT( mbedtls_ecp_group_load( &ctx.grp, id ) == 0 ); - TEST_ASSERT( mbedtls_ecp_point_read_binary( &ctx.grp, &ctx.Q, - pk->x, pk->len ) == 0 ); - - mbedtls_ecp_set_max_ops( max_ops ); - - cnt_restart = 0; - do { - ret = mbedtls_ecdsa_read_signature_restartable( &ctx, - hash->x, hash->len, sig->x, sig->len, &rs_ctx ); - } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); - - TEST_ASSERT( ret == 0 ); - TEST_ASSERT( cnt_restart >= min_restart ); - TEST_ASSERT( cnt_restart <= max_restart ); - - /* try modifying r */ - - TEST_ASSERT( sig->len > 10 ); - sig->x[10]++; - do { - ret = mbedtls_ecdsa_read_signature_restartable( &ctx, - hash->x, hash->len, sig->x, sig->len, &rs_ctx ); - } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); - TEST_ASSERT( ret == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - sig->x[10]--; - - /* try modifying s */ - sig->x[sig->len - 1]++; - do { - ret = mbedtls_ecdsa_read_signature_restartable( &ctx, - hash->x, hash->len, sig->x, sig->len, &rs_ctx ); - } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); - TEST_ASSERT( ret == MBEDTLS_ERR_ECP_VERIFY_FAILED ); - sig->x[sig->len - 1]--; - - /* Do we leak memory when aborting an operation? - * This test only makes sense when we actually restart */ - if( min_restart > 0 ) - { - ret = mbedtls_ecdsa_read_signature_restartable( &ctx, - hash->x, hash->len, sig->x, sig->len, &rs_ctx ); - TEST_ASSERT( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); - } - -exit: - mbedtls_ecdsa_free( &ctx ); - mbedtls_ecdsa_restart_free( &rs_ctx ); -} -/* END_CASE */ - -/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE:MBEDTLS_ECDSA_DETERMINISTIC */ -void ecdsa_write_restart( int id, char *d_str, int md_alg, - char *msg, data_t *sig_check, - int max_ops, int min_restart, int max_restart ) -{ - int ret, cnt_restart; - mbedtls_ecdsa_restart_ctx rs_ctx; - mbedtls_ecdsa_context ctx; - unsigned char hash[MBEDTLS_MD_MAX_SIZE]; - unsigned char sig[MBEDTLS_ECDSA_MAX_LEN]; - size_t hlen, slen; - const mbedtls_md_info_t *md_info; - - mbedtls_ecdsa_restart_init( &rs_ctx ); - mbedtls_ecdsa_init( &ctx ); - memset( hash, 0, sizeof( hash ) ); - memset( sig, 0, sizeof( sig ) ); - - TEST_ASSERT( mbedtls_ecp_group_load( &ctx.grp, id ) == 0 ); - TEST_ASSERT( mbedtls_mpi_read_string( &ctx.d, 16, d_str ) == 0 ); - - md_info = mbedtls_md_info_from_type( md_alg ); - TEST_ASSERT( md_info != NULL ); - - hlen = mbedtls_md_get_size( md_info ); - TEST_ASSERT( mbedtls_md( md_info, - (const unsigned char *) msg, strlen( msg ), - hash ) == 0 ); - - mbedtls_ecp_set_max_ops( max_ops ); - - slen = sizeof( sig ); - cnt_restart = 0; - do { - ret = mbedtls_ecdsa_write_signature_restartable( &ctx, - md_alg, hash, hlen, sig, &slen, NULL, NULL, &rs_ctx ); - } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); - - TEST_ASSERT( ret == 0 ); - TEST_ASSERT( slen == sig_check->len ); - TEST_ASSERT( memcmp( sig, sig_check->x, slen ) == 0 ); - - TEST_ASSERT( cnt_restart >= min_restart ); - TEST_ASSERT( cnt_restart <= max_restart ); - - /* Do we leak memory when aborting an operation? - * This test only makes sense when we actually restart */ - if( min_restart > 0 ) - { - ret = mbedtls_ecdsa_write_signature_restartable( &ctx, - md_alg, hash, hlen, sig, &slen, NULL, NULL, &rs_ctx ); - TEST_ASSERT( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); - } - -exit: - mbedtls_ecdsa_restart_free( &rs_ctx ); - mbedtls_ecdsa_free( &ctx ); -} -/* END_CASE */ |