cryptonite-0.9: Cryptography Primitives sink

License | BSD-style
Maintainer | Vincent Hanquez <vincent@snarc.org>
Stability | experimental
Portability | unknown
Safe Haskell | None
Language | Haskell2010

Crypto.Data.Padding

Description

Various cryptographic padding commonly used for block ciphers or assymetric systems.

Synopsis

- data Format
  - = PKCS5
  - | PKCS7 Int
- pad :: ByteArray byteArray => Format -> byteArray -> byteArray
- unpad :: ByteArray byteArray => Format -> byteArray -> Maybe byteArray

# Documentation

data Format

Format of padding

Constructors

PKCS5 | PKCS5: PKCS7 with hardcoded size of 8
PKCS7 Int | PKCS7 with padding size between 1 and 255

Instances

Eq Format |
Show Format |

pad :: ByteArray byteArray => Format -> byteArray -> byteArray

Apply some pad to a bytearray

unpad :: ByteArray byteArray => Format -> byteArray -> Maybe byteArray

Try to remove some padding from a bytearray.