SLockPK uses the power of public key encryption to protect your software. Recognized by experts as the only secure way to protect software, public key crypto provides a level of security higher than hardware dongles, but using only software.Features:Public key encryption (RSA) for highest security possibleCryptographic hashing (SHA-1) to lock license to your softwareCryptographic hashing (SHA-1) to lock license to a single PCProtects against viruses and cracksCan use optional internet server to make automatic registrationsDelivers adverts (so the other 90% of downloads work for you)Advanced protection against tamperingLicenses have an expiry date (software rental or re-registration)Licenses can be created for a single PC or a group of PCsKey generators are impossibleInternet server can constantly monitor for cracksInternet server con inform you of downloads and registrationsProtect your investment with the most advanced ESD (Electronic Software Delivery) solution available.