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To: Tom Harper who wrote (57)	9/14/1998 1:44:00 PM
From: caly	of 206

Tom, I just took a quick look at what SDTI (Security Dynamics)offers that might be similar to JAWZ. It looks like they offer a product called SecureSight Desktop that offers file encryption/decryption for desktop PCs which I believe is all that JAWZ offers right now. I don't know exactly how SecureSight works, but it looks like JAWZ requires you to enter a "key" of some sort to invoke the encryption process. You'd then have to remember the "key" to decrypt the file. IMO, this is no good. I hope this isn't the only way their product works. Microsoft will be adding Encrypting File System to Windows NT 5.0. Here's what the MS White Paper has to say about how it works (it'll be interesting to see if they really release it with DES)... EFS Encryption Technology EFS is based on public-key encryption, taking advantage of the CryptoAPI architecture in Windows NT. Each file is encrypted using a randomly generated key, which is independent of a user's public/private key pair; thereby stifling many forms of cryptanalysis-based attack. File encryption can use any symmetric encryption algorithm. The first release of EFS will expose DES as the encryption algorithm. Future releases will allow alternate encryption schemes. EFS also supports encryption and decryption on files stored on remote file servers. Note: in this case EFS only addresses encrypting data on disk. It does not encrypt data that is transferred over the network. Windows NT provides network protocols such as SSL/PCT to encrypt data access over the network. The White Paper can be found here... microsoft.com

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