INNER CODE UNIT · Rust

encrypt_in_place_detached

AChep/keyguard-app · thirdParty/rust/ocb3-0.1.0-keyguard/src/lib.rs:238

    fn encrypt_in_place_detached(
        &self,
        nonce: &Nonce<NonceSize>,
        associated_data: &[u8],
        buffer: &mut [u8],
    ) -> aead::Result<aead::Tag<Self>> {
        if (buffer.len() > P_MAX) || (associated_data.len() > A_MAX) {
            unimplemented!()
        }

        // First, try to process many blocks at once.
        let (processed_bytes, mut offset_i, mut checksum_i) = self.wide_encrypt(nonce, buffer);

        let mut i = (processed_bytes / 16) + 1;

        // Then, process the remaining blocks.
        for p_i in buffer[processed_bytes..].chunks_exact_mut(16) {
            let p_i = Block::from_mut_slice(p_i);

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