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//! Implementation of Sequoia crypto API using the Nettle cryptographic library.
use crate::types::*;
use nettle::random::{Random, Yarrow};
pub mod aead;
pub mod asymmetric;
pub mod ecdh;
pub mod hash;
pub mod symmetric;
/// Fills the given buffer with random data.
pub fn random(buf: &mut [u8]) {
Yarrow::default().random(buf);
}
impl PublicKeyAlgorithm {
pub(crate) fn is_supported_by_backend(&self) -> bool {
use PublicKeyAlgorithm::*;
#[allow(deprecated)]
match &self {
RSAEncryptSign | RSAEncrypt | RSASign | DSA | ECDH | ECDSA | EdDSA
=> true,
ElGamalEncrypt | ElGamalEncryptSign | Private(_) | Unknown(_)
=> false,
}
}
}
impl Curve {
pub(crate) fn is_supported_by_backend(&self) -> bool {
use self::Curve::*;
match &self {
NistP256 | NistP384 | NistP521 | Ed25519 | Cv25519
=> true,
BrainpoolP256 | BrainpoolP512 | Unknown(_)
=> false,
}
}
}
impl AEADAlgorithm {
pub(crate) fn is_supported_by_backend(&self) -> bool {
use self::AEADAlgorithm::*;
match &self {
EAX
=> true,
OCB | Private(_) | Unknown(_)
=> false,
}
}
}
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