rsa/traits/
encryption.rs

1//! Encryption-related traits.
2
3use alloc::vec::Vec;
4use rand_core::CryptoRngCore;
5
6use crate::errors::Result;
7
8/// Encrypt the message using provided random source
9pub trait RandomizedEncryptor {
10    /// Encrypt the given message.
11    fn encrypt_with_rng<R: CryptoRngCore + ?Sized>(
12        &self,
13        rng: &mut R,
14        msg: &[u8],
15    ) -> Result<Vec<u8>>;
16}
17
18/// Decrypt the given message
19pub trait Decryptor {
20    /// Decrypt the given message.
21    fn decrypt(&self, ciphertext: &[u8]) -> Result<Vec<u8>>;
22}
23
24/// Decrypt the given message using provided random source
25pub trait RandomizedDecryptor {
26    /// Decrypt the given message.
27    fn decrypt_with_rng<R: CryptoRngCore + ?Sized>(
28        &self,
29        rng: &mut R,
30        ciphertext: &[u8],
31    ) -> Result<Vec<u8>>;
32}
33
34/// Encryption keypair with an associated encryption key.
35pub trait EncryptingKeypair {
36    /// Encrypting key type for this keypair.
37    type EncryptingKey: Clone;
38
39    /// Get the encrypting key which can encrypt messages to be decrypted by
40    /// the decryption key portion of this keypair.
41    fn encrypting_key(&self) -> Self::EncryptingKey;
42}
rsa/traits/encryption.rs

rsa/traits/
encryption.rs
