Join Lisa Bock for an in-depth discussion in this video Encapsulating security payloads, part of Learning Cryptography and Network Security.
- The Encapsulating Security Payload protocol…provides confidentiality, authentication,…integrity, and anti-replay service for IP version 4…and IP version 6.…What services are selected are determined…by the Security Association, and where on the network…it is implemented.…This provides the attributes which are necessary…for the Encapsulating Security Payload process.…
You can use the encryption-only feature to provide…for confidentiality with the Encapsulating Security Payload.…However, using encryption without integrity,…may leave the communication stream…vulnerable to attacks.…Here we see a top-level format…of an Encapsulating Security Payload packet.…Let's take a look at the field values.…The Security Parameter Index is added to the header…that distinguishes between traffic streams…that use different encryption rules and algorithms.…
The Sequence Number is a mandatory 32-bit field…containing an incrementing counter value.…Extended, 64-bit Sequence Number should be implemented,…as it is an extension to the current 32-bit…
Author
Lisa Bock
Released
8/12/2015- Differentiate between confidentiality, integrity, and accountability.
- Compare symmetric and asymmetric encryption.
- Describe the Feistel Cipher.
- Differentiate between block and stream ciphers.
- Explain what Secure Sockets Layer (SSL) is used for.
- Define Internet Protocol Security (IPSec) and explain how it works.
- Explain the transport mode in IPSec.
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome1m 17s
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1. Network Security
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2. Symmetric Encryption
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Using Wireshark to crack WEP4m 17s
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3. Asymmetric Encryption and Digital Signatures
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Managing keys3m 38s
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Using certificates3m 3s
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4. Hash Algorithms, Message Digests, and Authentication
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5. Secure Sockets Layer (SSL)
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6. Email Security
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7. Internet Protocol Security
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Using operating mechanisms3m 16s
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Conclusion
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Next steps55s
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Video: Encapsulating security payloads