ninjacrypto.coffee

# node v0.10.10
crypto = require "crypto"

secretKey = [
    0xff, 0x03, 0x44, 0x89, 0xd6, 0xf8, 0x98, 0x21,
    0x1f, 0xad, 0xaa, 0xda, 0x39, 0x9d, 0x3f, 0x8e,
    0xbc, 0xd5, 0xa1, 0x00, 0xe1, 0x36, 0xfa, 0xcc,
    0xe7, 0x48, 0x0a, 0x0e, 0x44, 0x1c, 0xf6, 0xaf,
]
secretKeyBuf = new Buffer(secretKey)
iv = ""
plainEnc = "utf8"
outEnc = "base64"

plainjp = "ニンジャ殺すべし"
plainmix = "ninja殺すべし"

check = (plain) ->
    cipher1 = crypto.createCipheriv("rc4", secretKeyBuf, iv)
    crypted1 = cipher1.update(plain, plainEnc).toString(outEnc)
    console.log plain, crypted1

    cipher2 = crypto.createCipheriv("rc4", secretKeyBuf, iv)
    crypted2 = cipher2.update(plain, plainEnc, outEnc)
    console.log plain, crypted2

    console.log crypted1 == crypted2

for plain in [plainjp, plainmix]
    check plain