INNER CODE UNIT · Rust

decrypt_pickle

matrix-org/vodozemac · src/cipher/mod.rs:286

    pub fn decrypt_pickle(&self, ciphertext: &[u8]) -> Result<Vec<u8>, DecryptionError> {
        if ciphertext.len() < Mac::TRUNCATED_LEN + 1 {
            Err(DecryptionError::MacMissing)
        } else {
            let (ciphertext, mac) = ciphertext.split_at(ciphertext.len() - Mac::TRUNCATED_LEN);
            self.verify_truncated_mac(ciphertext, mac)?;

            Ok(self.decrypt(ciphertext)?)
        }
    }
}

#[cfg(test)]
mod test {
    use assert_matches2::assert_matches;

    use super::{Cipher, Mac};
    use crate::cipher::DecryptionError;

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