Struct StreamSealer 

pub struct StreamSealer { /* private fields */ }

Encrypts a payload as a sequence of independently authenticated chunks.

Implementations

impl StreamSealer

pub fn new(recipient: &PublicKeyBundle) -> Result<(Self, Vec<u8>)>

Begin a stream to recipient. Returns the sealer and the header bytes (QST2) that must be written before the chunks.

Errors

Error::RandomnessUnavailable if the OS RNG fails.

pub fn seal_chunk(&mut self, plaintext: &[u8], last: bool) -> Result<Vec<u8>>

Encrypt one chunk. Set last on the final chunk. Returns the framed chunk bytes to write.

Errors

Error::StreamFinished if called after a last chunk or once the 2^32-chunk limit is reached; Error::MessageTooLarge if a single chunk’s ciphertext would exceed the 32-bit frame length.