Oneofthecoreissuesforrobustcryptographicsystemsistodealwiththerateofdiffusionanddistributionofkeys.Wetrytostrengthenthisaspectbyincreasingthelengthofblockciphers.Wepresentanewencryptionanddecryptionalgorithmforblockcipherthatsupports27bitblocksize.Allcomponentsinoursystemarech