INNER CODE UNIT · Rust

mac

matrix-org/vodozemac · src/cipher/mod.rs:184

    pub fn mac(&self, message: &[u8]) -> Mac {
        let mut hmac = self.get_hmac();
        hmac.update(message);

        let mac_bytes = hmac.finalize().into_bytes();

        let mut mac = [0u8; 32];
        mac.copy_from_slice(&mac_bytes);

        Mac(mac)
    }

    /// Decrypts the provided `ciphertext` using this [`Cipher`].
    ///
    /// **Warning**: This is a low-level function. Before calling this, you must
    /// call [`Cipher::verify_mac()`] or [`Cipher::verify_truncated_mac()`]
    /// to ensure the integrity of the ciphertext.
    #[allow(unreachable_pub)]

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