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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
pub use rand;
pub use rand_core;
use rand_core::{impls, CryptoRng, Error, RngCore};
pub struct RcCryptoRng;
impl RngCore for RcCryptoRng {
fn next_u32(&mut self) -> u32 {
impls::next_u32_via_fill(self)
}
fn next_u64(&mut self) -> u64 {
impls::next_u64_via_fill(self)
}
fn fill_bytes(&mut self, dest: &mut [u8]) {
self.try_fill_bytes(dest).unwrap()
}
fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
rc_crypto::rand::fill(dest).map_err(Error::new)
}
}
// NSS's `PK11_GenerateRandom` is considered a CSPRNG.
impl CryptoRng for RcCryptoRng {}
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