hannahgrace6071 hannahgrace6071
  • 15-11-2022
  • Computers and Technology
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ipsec provides confidentiality (using encryption, such as 3des), authentication (data origin and message authentication) and re-keying. the meaning of re-keying implies that

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anzlaiman anzlaiman
  • 17-11-2022

A very large number of packets using the same key for encryption cant be collected by an adversary to extract the key using cryptanalysis.

In other words, the key is changed intermittently. Network Address Translation NAT server must be used in gateways. Option 3 will have a different header at the destination than the source even though the source and destination addresses remain the same.

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