Crate bessie

Bessie is an authenticated, chunked cipher based on BLAKE3. It’s still in the design stages, and it’s not suitable for production use.

Examples

Encrypt a message.

let key = bessie::generate_key();
let ciphertext: Vec<u8> = bessie::encrypt(&key, b"hello world");

Decrypt that message.

let plaintext: Vec<u8> = bessie::decrypt(&key, &ciphertext)?;
assert_eq!(b"hello world", &plaintext[..]);

Modules

• testing
  Functions that take a nonce from the caller, mainly for testing

Structs

• DecryptReader
  An incremental decrypter supporting std::io::Read and std::io::Seek.
• EncryptWriter
  An incremental encrypter supporting std::io::Write.
• Error
  An opaque decryption error.

Constants

• CHUNK_LEN
• KEY_LEN
• NONCE_LEN
• TAG_LEN

Functions

• ciphertext_len
  Compute the length of a ciphertext, given the length of a plaintext.
• decrypt
  Decrypt a message and return the plaintext as Result of Vec<u8>.
• decrypt_to_slice
  Decrypt a message, write the plaintext to an existing slice, and return a Result.
• encrypt
  Encrypt a message and return the ciphertext as a Vec<u8>.
• encrypt_to_slice
  Encrypt a message and write the ciphertext to an existing slice.
• generate_key
  Create a new 32-byte key from a cryptographically secure random number generator.
• plaintext_len
  Compute the length of a plaintext, given the length of a ciphertext.