Crate belt_block

Pure Rust implementation of the BelT block cipher specified in STB 34.101.31-2020.

⚠️ Security Warning: Hazmat!

This crate implements only the low-level block cipher function, and is intended for use for implementing higher-level constructions only. It is NOT intended for direct use in applications.

USE AT YOUR OWN RISK!

Re-exports

• pub use cipher;

Structs

• BeltBlock
  BelT block cipher.
• InvalidLengthError
  Error used when data smaller than 32 bytes is passed to the belt-wblock functions.

Functions

• belt_block_raw
  Raw BelT block encryption function used for implementation of higher-level algorithms.
• belt_wblock_dec
  Wide block decryption as described in section 6.2.4 of the standard.
• belt_wblock_enc
  Wide block encryption as described in section 6.2.3 of the standard.
• to_u32
  Helper function for transforming BelT keys and blocks from a byte array to an array of u32s.