86     int idx, ret = 0;  in mbedtls_entropy_add_source()  local
89     if ((ret = mbedtls_mutex_lock(&ctx->mutex)) != 0) {  in mbedtls_entropy_add_source()
90         return ret;  in mbedtls_entropy_add_source()
96         ret = MBEDTLS_ERR_ENTROPY_MAX_SOURCES;  in mbedtls_entropy_add_source()
114     return ret;  in mbedtls_entropy_add_source()
127     int ret = 0;  in entropy_update()  local
130         if ((ret = mbedtls_md(mbedtls_md_info_from_type(MBEDTLS_ENTROPY_MD),  in entropy_update()
147         ret = mbedtls_md_setup(&ctx->accumulator,  in entropy_update()
149         if (ret != 0) {  in entropy_update()
152         ret = mbedtls_md_starts(&ctx->accumulator);  in entropy_update()
153         if (ret != 0) {  in entropy_update()
158     if ((ret = mbedtls_md_update(&ctx->accumulator, header, 2)) != 0) {  in entropy_update()
161     ret = mbedtls_md_update(&ctx->accumulator, p, use_len);  in entropy_update()
166     return ret;  in entropy_update()
172     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;  in mbedtls_entropy_update_manual()  local
175     if ((ret = mbedtls_mutex_lock(&ctx->mutex)) != 0) {  in mbedtls_entropy_update_manual()
176         return ret;  in mbedtls_entropy_update_manual()
180     ret = entropy_update(ctx, MBEDTLS_ENTROPY_SOURCE_MANUAL, data, len);  in mbedtls_entropy_update_manual()
188     return ret;  in mbedtls_entropy_update_manual()
196     int ret = MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;  in entropy_gather_internal()  local
215         if ((ret = ctx->source[i].f_source(ctx->source[i].p_source,  in entropy_gather_internal()
224             if ((ret = entropy_update(ctx, (unsigned char) i,  in entropy_gather_internal()
226                 return ret;  in entropy_gather_internal()
233         ret = MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE;  in entropy_gather_internal()
239     return ret;  in entropy_gather_internal()
247     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;  in mbedtls_entropy_gather()  local
250     if ((ret = mbedtls_mutex_lock(&ctx->mutex)) != 0) {  in mbedtls_entropy_gather()
251         return ret;  in mbedtls_entropy_gather()
255     ret = entropy_gather_internal(ctx);  in mbedtls_entropy_gather()
263     return ret;  in mbedtls_entropy_gather()
268     int ret, count = 0, i, thresholds_reached;  in mbedtls_entropy_func()  local
283         if ((ret = mbedtls_entropy_update_nv_seed(ctx)) != 0) {  in mbedtls_entropy_func()
284             return ret;  in mbedtls_entropy_func()
290     if ((ret = mbedtls_mutex_lock(&ctx->mutex)) != 0) {  in mbedtls_entropy_func()
291         return ret;  in mbedtls_entropy_func()
300             ret = MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;  in mbedtls_entropy_func()
304         if ((ret = entropy_gather_internal(ctx)) != 0) {  in mbedtls_entropy_func()
327     if ((ret = mbedtls_md_finish(&ctx->accumulator, buf)) != 0) {  in mbedtls_entropy_func()
336     ret = mbedtls_md_setup(&ctx->accumulator,  in mbedtls_entropy_func()
338     if (ret != 0) {  in mbedtls_entropy_func()
341     ret = mbedtls_md_starts(&ctx->accumulator);  in mbedtls_entropy_func()
342     if (ret != 0) {  in mbedtls_entropy_func()
345     if ((ret = mbedtls_md_update(&ctx->accumulator, buf,  in mbedtls_entropy_func()
353     if ((ret = mbedtls_md(mbedtls_md_info_from_type(MBEDTLS_ENTROPY_MD),  in mbedtls_entropy_func()
364     ret = 0;  in mbedtls_entropy_func()
375     return ret;  in mbedtls_entropy_func()
381     int ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_update_nv_seed()  local
385     if ((ret = mbedtls_entropy_func(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE)) != 0) {  in mbedtls_entropy_update_nv_seed()
386         return ret;  in mbedtls_entropy_update_nv_seed()
395     ret = mbedtls_entropy_update_manual(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_update_nv_seed()
397     return ret;  in mbedtls_entropy_update_nv_seed()
404     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;  in mbedtls_entropy_write_seed_file()  local
408     if ((ret = mbedtls_entropy_func(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE)) != 0) {  in mbedtls_entropy_write_seed_file()
409         ret = MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;  in mbedtls_entropy_write_seed_file()
414         ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_write_seed_file()
422         ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_write_seed_file()
426     ret = 0;  in mbedtls_entropy_write_seed_file()
435     return ret;  in mbedtls_entropy_write_seed_file()
440     int ret = 0;  in mbedtls_entropy_update_seed_file()  local
461         ret = MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR;  in mbedtls_entropy_update_seed_file()
463         ret = mbedtls_entropy_update_manual(ctx, buf, n);  in mbedtls_entropy_update_seed_file()
470     if (ret != 0) {  in mbedtls_entropy_update_seed_file()
471         return ret;  in mbedtls_entropy_update_seed_file()
497     int ret = 0;  in mbedtls_entropy_source_self_test_gather()  local
503         if ((ret = mbedtls_hardware_poll(NULL, buf + entropy_len,  in mbedtls_entropy_source_self_test_gather()
505             return ret;  in mbedtls_entropy_source_self_test_gather()
513         ret = 1;  in mbedtls_entropy_source_self_test_gather()
516     return ret;  in mbedtls_entropy_source_self_test_gather()
548     int ret = 0;  in mbedtls_entropy_source_self_test()  local
559     if ((ret = mbedtls_entropy_source_self_test_gather(buf0, sizeof(buf0))) != 0) {  in mbedtls_entropy_source_self_test()
562     if ((ret = mbedtls_entropy_source_self_test_gather(buf1, sizeof(buf1))) != 0) {  in mbedtls_entropy_source_self_test()
567     if ((ret = mbedtls_entropy_source_self_test_check_bits(buf0, sizeof(buf0))) != 0) {  in mbedtls_entropy_source_self_test()
570     if ((ret = mbedtls_entropy_source_self_test_check_bits(buf1, sizeof(buf1))) != 0) {  in mbedtls_entropy_source_self_test()
576     ret = memcmp(buf0, buf1, sizeof(buf0)) == 0;  in mbedtls_entropy_source_self_test()
580         if (ret != 0) {  in mbedtls_entropy_source_self_test()
589     return ret != 0;  in mbedtls_entropy_source_self_test()
601     int ret = 1;  in mbedtls_entropy_self_test()  local
614     if ((ret = mbedtls_entropy_gather(&ctx)) != 0) {  in mbedtls_entropy_self_test()
618     ret = mbedtls_entropy_add_source(&ctx, entropy_dummy_source, NULL, 16,  in mbedtls_entropy_self_test()
620     if (ret != 0) {  in mbedtls_entropy_self_test()
624     if ((ret = mbedtls_entropy_update_manual(&ctx, buf, sizeof(buf))) != 0) {  in mbedtls_entropy_self_test()
637         if ((ret = mbedtls_entropy_func(&ctx, buf, sizeof(buf))) != 0) {  in mbedtls_entropy_self_test()
648             ret = 1;  in mbedtls_entropy_self_test()
654     if ((ret = mbedtls_entropy_source_self_test(0)) != 0) {  in mbedtls_entropy_self_test()
663         if (ret != 0) {  in mbedtls_entropy_self_test()
672     return ret != 0;  in mbedtls_entropy_self_test()