# How to use AS3crypto?

**URL:** <https://forum.kirupa.com/t/how-to-use-as3crypto/300074>\
**Category:** flash\
**Created:** [November 15, 2009, 11:42pm UTC](https://forum.kirupa.com/t/how-to-use-as3crypto/300074 "2009-11-15T23:42:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rCANE](https://avatars.discourse-cdn.com/v4/letter/r/96bed5/32.png) [@rCANE](https://forum.kirupa.com/u/rCANE)\
**Post date:** [November 15, 2009, 11:42pm UTC](https://forum.kirupa.com/t/how-to-use-as3crypto/300074/1 "2009-11-15T23:42:25Z")

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hi guys!

i want to use the AS3Crypto RC4 encryption but in flash… i am a beginner and i don’t know how to do that :S

[here](http://code.google.com/p/as3crypto/) you can find the project’s page

so what i want:

- in flash cs4/as3[INDENT]- a string that is ’ hello you! ’ with a key ’ jamie ’
- encrypt that with RC4
- and then decrypt

[/INDENT]why i ask a very easy thing in here?

because i can’t find any Flash AS3 example about how to use the great AS3Crypto class package :S

i googled but man :S i found nothing about it

thanks for any help