daniellemaywood.uk
this repo has no description
1use thiserror::Error;
2
3pub fn encrypt_with_passphrase(
4 message: &[u8],
5 passphrase: &str,
6) -> Result<String, age::EncryptError> {
7 let passphrase = age::secrecy::SecretString::from(passphrase);
8 let recipient = age::scrypt::Recipient::new(passphrase.clone());
9
10 let encrypted = age::encrypt_and_armor(&recipient, message)?;
11
12 Ok(encrypted)
13}
14
15// the function `decrypt_with_passphrase` has two possible failure cases:
16// - when decryption fails
17// - when the data was decrypted succesfully but the result is not UTF-8 valid
18#[derive(Error, Debug)]
19pub enum DecryptError {
20 #[error("unable to decrypt message: {0}")]
21 Decrypt(#[from] age::DecryptError),
22 #[error("decrypted message is not UTF-8 valid: {0}")]
23 Io(#[from] std::string::FromUtf8Error),
24}
25
26pub fn decrypt_with_passphrase(
27 encrypted_message: &[u8],
28 passphrase: &str,
29) -> Result<String, DecryptError> {
30 let passphrase = age::secrecy::SecretString::from(passphrase);
31 let identity = age::scrypt::Identity::new(passphrase);
32
33 let decrypted = age::decrypt(&identity, encrypted_message)?;
34 let decrypted = String::from_utf8(decrypted)?;
35
36 Ok(decrypted)
37}