199     unsigned char buf[MBEDTLS_ENTROPY_MAX_GATHER];  in entropy_gather_internal()  local
216                                            buf, MBEDTLS_ENTROPY_MAX_GATHER, &olen)) != 0) {  in entropy_gather_internal()
225                                       buf, olen)) != 0) {  in entropy_gather_internal()
237     mbedtls_platform_zeroize(buf, sizeof(buf));  in entropy_gather_internal()
271     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];  in mbedtls_entropy_func()  local
320     memset(buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_func()
327     if ((ret = mbedtls_md_finish(&ctx->accumulator, buf)) != 0) {  in mbedtls_entropy_func()
345     if ((ret = mbedtls_md_update(&ctx->accumulator, buf,  in mbedtls_entropy_func()
354                           buf, MBEDTLS_ENTROPY_BLOCK_SIZE, buf)) != 0) {  in mbedtls_entropy_func()
362     memcpy(output, buf, len);  in mbedtls_entropy_func()
367     mbedtls_platform_zeroize(buf, sizeof(buf));  in mbedtls_entropy_func()
382     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];  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()
389     if (mbedtls_nv_seed_write(buf, MBEDTLS_ENTROPY_BLOCK_SIZE) < 0) {  in mbedtls_entropy_update_nv_seed()
394     memset(buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_update_nv_seed()
395     ret = mbedtls_entropy_update_manual(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_update_nv_seed()
406     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];  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()
421     if (fwrite(buf, 1, MBEDTLS_ENTROPY_BLOCK_SIZE, f) != MBEDTLS_ENTROPY_BLOCK_SIZE) {  in mbedtls_entropy_write_seed_file()
429     mbedtls_platform_zeroize(buf, sizeof(buf));  in mbedtls_entropy_write_seed_file()
443     unsigned char buf[MBEDTLS_ENTROPY_MAX_SEED_SIZE];  in mbedtls_entropy_update_seed_file()  local
460     if (fread(buf, 1, n, f) != n) {  in mbedtls_entropy_update_seed_file()
463         ret = mbedtls_entropy_update_manual(ctx, buf, n);  in mbedtls_entropy_update_seed_file()
468     mbedtls_platform_zeroize(buf, sizeof(buf));  in mbedtls_entropy_update_seed_file()
495 static int mbedtls_entropy_source_self_test_gather(unsigned char *buf, size_t buf_len)  in mbedtls_entropy_source_self_test_gather()  argument
503         if ((ret = mbedtls_hardware_poll(NULL, buf + entropy_len,  in mbedtls_entropy_source_self_test_gather()
520 static int mbedtls_entropy_source_self_test_check_bits(const unsigned char *buf,  in mbedtls_entropy_source_self_test_check_bits()  argument
528         set &= buf[i];  in mbedtls_entropy_source_self_test_check_bits()
529         unset |= buf[i];  in mbedtls_entropy_source_self_test_check_bits()
603     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE] = { 0 };  in mbedtls_entropy_self_test()  local
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()
641         for (j = 0; j < sizeof(buf); j++) {  in mbedtls_entropy_self_test()
642             acc[j] |= buf[j];  in mbedtls_entropy_self_test()
646     for (j = 0; j < sizeof(buf); j++) {  in mbedtls_entropy_self_test()