135     int index, ret = 0;  in mbedtls_entropy_add_source()  local
138     if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )  in mbedtls_entropy_add_source()
139         return( ret );  in mbedtls_entropy_add_source()
145         ret = MBEDTLS_ERR_ENTROPY_MAX_SOURCES;  in mbedtls_entropy_add_source()
162     return( ret );  in mbedtls_entropy_add_source()
204     int ret;  in mbedtls_entropy_update_manual()  local
207     if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )  in mbedtls_entropy_update_manual()
208         return( ret );  in mbedtls_entropy_update_manual()
211     ret = entropy_update( ctx, MBEDTLS_ENTROPY_SOURCE_MANUAL, data, len );  in mbedtls_entropy_update_manual()
218     return( ret );  in mbedtls_entropy_update_manual()
226     int ret, i, have_one_strong = 0;  in entropy_gather_internal()  local
242         if( ( ret = ctx->source[i].f_source( ctx->source[i].p_source,  in entropy_gather_internal()
245             return( ret );  in entropy_gather_internal()
269     int ret;  in mbedtls_entropy_gather()  local
272     if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )  in mbedtls_entropy_gather()
273         return( ret );  in mbedtls_entropy_gather()
276     ret = entropy_gather_internal( ctx );  in mbedtls_entropy_gather()
283     return( ret );  in mbedtls_entropy_gather()
288     int ret, count = 0, i, done;  in mbedtls_entropy_func()  local
302         if( ( ret = mbedtls_entropy_update_nv_seed( ctx ) ) != 0 )  in mbedtls_entropy_func()
303             return( ret );  in mbedtls_entropy_func()
308     if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )  in mbedtls_entropy_func()
309         return( ret );  in mbedtls_entropy_func()
319             ret = MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;  in mbedtls_entropy_func()
323         if( ( ret = entropy_gather_internal( ctx ) ) != 0 )  in mbedtls_entropy_func()
370     ret = 0;  in mbedtls_entropy_func()
378     return( ret );  in mbedtls_entropy_func()
384     int ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_update_nv_seed()  local
388     if( ( ret = mbedtls_entropy_func( ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE ) ) != 0 )  in mbedtls_entropy_update_nv_seed()
389         return( ret );  in mbedtls_entropy_update_nv_seed()
405     int ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_write_seed_file()  local
412     if( ( ret = mbedtls_entropy_func( ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE ) ) != 0 )  in mbedtls_entropy_write_seed_file()
417         ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_write_seed_file()
421     ret = 0;  in mbedtls_entropy_write_seed_file()
425     return( ret );  in mbedtls_entropy_write_seed_file()
479     int ret = 0;  in mbedtls_entropy_source_self_test_gather()  local
486         if( ( ret = mbedtls_hardware_poll( NULL, buf + entropy_len,  in mbedtls_entropy_source_self_test_gather()
488             return( ret );  in mbedtls_entropy_source_self_test_gather()
496         ret = 1;  in mbedtls_entropy_source_self_test_gather()
499     return( ret );  in mbedtls_entropy_source_self_test_gather()
532     int ret = 0;  in mbedtls_entropy_source_self_test()  local
542     if( ( ret = mbedtls_entropy_source_self_test_gather( buf0, sizeof( buf0 ) ) ) != 0 )  in mbedtls_entropy_source_self_test()
544     if( ( ret = mbedtls_entropy_source_self_test_gather( buf1, sizeof( buf1 ) ) ) != 0 )  in mbedtls_entropy_source_self_test()
548     if( ( ret = mbedtls_entropy_source_self_test_check_bits( buf0, sizeof( buf0 ) ) ) != 0 )  in mbedtls_entropy_source_self_test()
550     if( ( ret = mbedtls_entropy_source_self_test_check_bits( buf1, sizeof( buf1 ) ) ) != 0 )  in mbedtls_entropy_source_self_test()
555     ret = memcmp( buf0, buf1, sizeof( buf0 ) ) == 0;  in mbedtls_entropy_source_self_test()
560         if( ret != 0 )  in mbedtls_entropy_source_self_test()
568     return( ret != 0 );  in mbedtls_entropy_source_self_test()
580     int ret = 1;  in mbedtls_entropy_self_test()  local
595     if( ( ret = mbedtls_entropy_gather( &ctx ) ) != 0 )  in mbedtls_entropy_self_test()
598     ret = mbedtls_entropy_add_source( &ctx, entropy_dummy_source, NULL, 16,  in mbedtls_entropy_self_test()
600     if( ret != 0 )  in mbedtls_entropy_self_test()
603     if( ( ret = mbedtls_entropy_update_manual( &ctx, buf, sizeof buf ) ) != 0 )  in mbedtls_entropy_self_test()
616         if( ( ret = mbedtls_entropy_func( &ctx, buf, sizeof( buf ) ) ) != 0 )  in mbedtls_entropy_self_test()
627             ret = 1;  in mbedtls_entropy_self_test()
633     if( ( ret = mbedtls_entropy_source_self_test( 0 ) ) != 0 )  in mbedtls_entropy_self_test()
643         if( ret != 0 )  in mbedtls_entropy_self_test()
651     return( ret != 0 );  in mbedtls_entropy_self_test()