p2panda_encryption/data_scheme/
data.rs

1// SPDX-License-Identifier: MIT OR Apache-2.0
2
3use crate::crypto::xchacha20::{XAeadError, XAeadNonce, x_aead_decrypt, x_aead_encrypt};
4use crate::data_scheme::group_secret::GroupSecret;
5
6pub fn encrypt_data(
7    plaintext: &[u8],
8    group_secret: &GroupSecret,
9    nonce: XAeadNonce,
10) -> Result<Vec<u8>, XAeadError> {
11    let ciphertext = x_aead_encrypt(group_secret.as_bytes(), plaintext, nonce, None)?;
12    Ok(ciphertext)
13}
14
15pub fn decrypt_data(
16    ciphertext: &[u8],
17    group_secret: &GroupSecret,
18    nonce: XAeadNonce,
19) -> Result<Vec<u8>, XAeadError> {
20    let plaintext = x_aead_decrypt(group_secret.as_bytes(), ciphertext, nonce, None)?;
21    Ok(plaintext)
22}
23
24#[cfg(test)]
25mod tests {
26    use crate::Rng;
27    use crate::crypto::xchacha20::XAeadNonce;
28    use crate::data_scheme::GroupSecret;
29
30    use super::{decrypt_data, encrypt_data};
31
32    #[test]
33    fn encrypt_decrypt() {
34        let rng = Rng::from_seed([1; 32]);
35
36        let group_secret = GroupSecret::from_rng(&rng).unwrap();
37        let nonce: XAeadNonce = rng.random_array().unwrap();
38
39        let message = encrypt_data(b"Service! Service!", &group_secret, nonce).unwrap();
40        let receive = decrypt_data(&message, &group_secret, nonce).unwrap();
41        assert_eq!(receive, b"Service! Service!");
42    }
43}
p2panda_encryption/data_scheme/data.rs

p2panda_encryption/data_scheme/
data.rs
