234     unsigned char buf[MBEDTLS_ENTROPY_MAX_GATHER];  in entropy_gather_internal()  local
251                                            buf, MBEDTLS_ENTROPY_MAX_GATHER, &olen)) != 0) {  in entropy_gather_internal()
260                                       buf, olen)) != 0) {  in entropy_gather_internal()
272     mbedtls_platform_zeroize(buf, sizeof(buf));  in entropy_gather_internal()
306     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];  in mbedtls_entropy_func()  local
355     memset(buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_func()
363     if ((ret = mbedtls_sha512_finish(&ctx->accumulator, buf)) != 0) {  in mbedtls_entropy_func()
375     if ((ret = mbedtls_sha512_update(&ctx->accumulator, buf,  in mbedtls_entropy_func()
383     if ((ret = mbedtls_sha512(buf, MBEDTLS_ENTROPY_BLOCK_SIZE,  in mbedtls_entropy_func()
384                               buf, 0)) != 0) {  in mbedtls_entropy_func()
388     if ((ret = mbedtls_sha256_finish(&ctx->accumulator, buf)) != 0) {  in mbedtls_entropy_func()
400     if ((ret = mbedtls_sha256_update(&ctx->accumulator, buf,  in mbedtls_entropy_func()
408     if ((ret = mbedtls_sha256(buf, MBEDTLS_ENTROPY_BLOCK_SIZE,  in mbedtls_entropy_func()
409                               buf, 0)) != 0) {  in mbedtls_entropy_func()
418     memcpy(output, buf, len);  in mbedtls_entropy_func()
423     mbedtls_platform_zeroize(buf, sizeof(buf));  in mbedtls_entropy_func()
438     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];  in mbedtls_entropy_update_nv_seed()  local
441     if ((ret = mbedtls_entropy_func(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE)) != 0) {  in mbedtls_entropy_update_nv_seed()
445     if (mbedtls_nv_seed_write(buf, MBEDTLS_ENTROPY_BLOCK_SIZE) < 0) {  in mbedtls_entropy_update_nv_seed()
450     memset(buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_update_nv_seed()
451     ret = mbedtls_entropy_update_manual(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE);  in mbedtls_entropy_update_nv_seed()
462     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];  in mbedtls_entropy_write_seed_file()  local
464     if ((ret = mbedtls_entropy_func(ctx, buf, MBEDTLS_ENTROPY_BLOCK_SIZE)) != 0) {  in mbedtls_entropy_write_seed_file()
477     if (fwrite(buf, 1, MBEDTLS_ENTROPY_BLOCK_SIZE, f) != MBEDTLS_ENTROPY_BLOCK_SIZE) {  in mbedtls_entropy_write_seed_file()
485     mbedtls_platform_zeroize(buf, sizeof(buf));  in mbedtls_entropy_write_seed_file()
499     unsigned char buf[MBEDTLS_ENTROPY_MAX_SEED_SIZE];  in mbedtls_entropy_update_seed_file()  local
516     if (fread(buf, 1, n, f) != n) {  in mbedtls_entropy_update_seed_file()
519         ret = mbedtls_entropy_update_manual(ctx, buf, n);  in mbedtls_entropy_update_seed_file()
524     mbedtls_platform_zeroize(buf, sizeof(buf));  in mbedtls_entropy_update_seed_file()
551 static int mbedtls_entropy_source_self_test_gather(unsigned char *buf, size_t buf_len)  in mbedtls_entropy_source_self_test_gather()  argument
559         if ((ret = mbedtls_hardware_poll(NULL, buf + entropy_len,  in mbedtls_entropy_source_self_test_gather()
576 static int mbedtls_entropy_source_self_test_check_bits(const unsigned char *buf,  in mbedtls_entropy_source_self_test_check_bits()  argument
584         set &= buf[i];  in mbedtls_entropy_source_self_test_check_bits()
585         unset |= buf[i];  in mbedtls_entropy_source_self_test_check_bits()
659     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE] = { 0 };  in mbedtls_entropy_self_test()  local
680     if ((ret = mbedtls_entropy_update_manual(&ctx, buf, sizeof(buf))) != 0) {  in mbedtls_entropy_self_test()
693         if ((ret = mbedtls_entropy_func(&ctx, buf, sizeof(buf))) != 0) {  in mbedtls_entropy_self_test()
697         for (j = 0; j < sizeof(buf); j++) {  in mbedtls_entropy_self_test()
698             acc[j] |= buf[j];  in mbedtls_entropy_self_test()
702     for (j = 0; j < sizeof(buf); j++) {  in mbedtls_entropy_self_test()