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// Copyright 2020 The Tink-Rust Authors
//
// Licensed 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.
//
////////////////////////////////////////////////////////////////////////////////

//! Utilities for random data.

use rand::{thread_rng, Rng};

/// Return a vector of the given `size` filled with random bytes.
pub fn get_random_bytes(size: usize) -> Vec<u8> {
    let mut data = vec![0u8; size];
    thread_rng().fill(&mut data[..]);
    data
}

/// Randomly generate an unsigned 32-bit integer.
pub fn get_random_uint32() -> u32 {
    thread_rng().gen()
}