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// Licensed to the Apache Software Foundation (ASF) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The ASF licenses this file // to you under the Apache License, Version 2.0 (the // "License"); you may not use this file except in compliance // with the License. You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, // software distributed under the License is distributed on an // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY // KIND, either express or implied. See the License for the // specific language governing permissions and limitations // under the License. use rand::{thread_rng, Rng}; /// Returns a vector of size `n`, filled with randomly generated bytes. pub fn random_bytes(n: usize) -> Vec<u8> { let mut result = vec![]; let mut rng = thread_rng(); for _ in 0..n { result.push(rng.gen_range(0, 255) & 0xFF); } result }