IPsec : Java Glossary


A protocol that underlies other Internet packet protocols such as UDP (User Datagram Protocol) and TCP/IP (Transmission Control Protocol/Internet Protocol) to provide encryption. Sometimes the encryption/decryption is done by LAN (Local Area Network) card hardware. Some of the encryption algorithms used include HMAC-SHA1 extended checksums for integrity protection and TripleDES-CBC and AES-CBC for confidentiality. It is quite complicated to use. VPNs (Virtual Private Networks) are a simpler way to get much the same effect.

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