Fork of Henri Torgemane's excellent as3 cryptography library
ActionScript JavaScript CSS Other
Latest commit c43e024 Aug 9, 2014 @timkurvers Flatten README badges

ActionScript 3 Cryptography Library

Supported by FDT

Seeking new maintainer(s)

Copyright (c) 2007 Henri Torgemane
Modifications (c) 2011-2013 Tim Kurvers and various other contributors

A cryptography library written in ActionScript 3 that provides several common algorithms. This version also introduces a TLS engine, more commonly known as SSL.

Licensed under the BSD license. Includes several derivative works from Java, C and JavaScript sources. See LICENSE for more information and a list of contributors.

Original & GitHub-fork

The original project can be found at

Although unofficial, this GitHub-fork includes community fixes and patches.

Consult the CHANGELOG for implemented fixes and contributors.


The binary can be found in /deploy/as3crypto.swc

Copy to your library folder, add it to your class-path and off you go.


  • Protocols: TLS 1.0 support (partial)
  • Certificates: X.509 Certificate parsing and validation, built-in Root CAs.
  • Public Key Encryption: RSA (encrypt/decrypt, sign/verify)
  • Secret Key Encryption: AES, DES, 3DES, BlowFish, XTEA, RC4
  • Confidentiality Modes: ECB, CBC, CFB, CFB8, OFB, CTR
  • Hashing Algorithms: MD2, MD5, SHA-1, SHA-224, SHA-256
  • Paddings available: PKCS#5, PKCS#1 type 1 and 2
  • Other Useful Stuff: HMAC, Random, TLS-PRF, some ASN-1/DER parsing