... the growing pains, possibilities of virus and security problems, and incompatibility with anything else make it difficult to recommend in good conscience. Large commercial UNIX servers from Sun, HP, or SGI are relatively complex to administer, much like IBM servers, but can provide extremely variable configurations, take serious load, give you the vendor's professional support services, and all have interchangeable open ... successfully with the other's public key, then the identity is confirmed. Public key encryption is much slower than symmetric key encryption, which makes public key ...

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