Suppose Alice and Bob share two secret keys: an authentication key S1 and a symmetric encryption key

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Suppose Alice and Bob share two secret keys: an authentication key S1 and a symmetric encryption key S2 Augment Figure 8.9 so that both integrity and confidentiality are provided.
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Computer Networking A Top-Down Approach

ISBN: 978-0136079675

5th edition

Authors: James F. Kurose, Keith W. Ross

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