Template:String:DEA64CBCdecrypt syntax
%outString = string:DEA64CBCdecrypt( key, initVector) Throws UnsupportedCrypto, InvalidCryptoKey, InvalidCryptoData, InvalidCryptoInitVector
%outString = string:DEA64CBCdecrypt( key, initVector) Throws UnsupportedCrypto, InvalidCryptoKey, InvalidCryptoData, InvalidCryptoInitVector