Build Status Swift Version License Slack Status

A set of crypto libraries for Swift, written in Swift.


MD5 is a library that provides MD5 hashing support on top of CryptoEssentials.


    let bytes: [UInt8] = [0x00, 0x01, 0x02, 0x03, 0x04, 0x05]
    var byteString = [UInt8]()
    byteString.append(contentsOf: "Hello World".utf8)

     let hashedBytes = MD5.calculate(bytes)
     let hashedString = MD5.calculate(byteString)


CryptoKitten uses parts of CryptoSwift whose license is included below. Parts where CryptoSwift code is used have this license included in the file

Copyright (C) 2014 Marcin Krzy┼╝anowski This software is provided 'as-is', without any express or implied warranty.

In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation is required.
Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
This notice may not be removed or altered from any source or binary distribution.