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use alloc::vec::Vec;
use mls_rs_crypto_traits::KdfType;
use crate::kem_combiner::ghp::Prg;
#[derive(Clone)]
pub struct MlsKdfPrg<KDF> {
pub mls_kdf: KDF,
}
impl<KDF> MlsKdfPrg<KDF> {
pub fn new(mls_kdf: KDF) -> Self {
Self { mls_kdf }
}
}
impl<KDF: KdfType> Prg for MlsKdfPrg<KDF> {
type Error = <KDF as KdfType>::Error;
fn eval(&self, key: &[u8], out_len: usize) -> Result<Vec<u8>, Self::Error> {
self.mls_kdf.expand(key, &[], out_len)
}
}