I previously announced a TLS manual, intended to ease readers into the most recent specification. (At the very least, it helped me get to grips with the spec!) I've now made the manual available on GitHub:
https://github.com/BenSmyth/tls-tutorial/ I'm far from perfect and I'm sure the manuscript houses numerous deficiencies. Interesting aspects are omitted, because I didn't have the time, knowledge, or expertise to add them. For instance, the specification hasn't been entirely covered, as is documented; discussion of security guarantees are notably lacking; and an introduction to the underlying cryptography is absent. (E.g., some details on DHKE, AEAD, etc. would be grand.) Directions for further exploration are missing, hands-on teaching opportunities foregone. For instance, a Davies-style exploration of TLS on-the-wire, with notes on Wireshark and SSLKEYLOGFILE---perhaps as dirty as readers can get, without bursting-out soldering irons. Mistakes and issues are no doubt numerous. I encourage you to improve this manuscript. Fix a typo. Patch grammar. Revise awkward, overcomplicated, or otherwise poorly-written passages. Contribute an entire section. Help evolve the manual. (Perhaps get in touch prior to writing an entire section! We should probably reach consensus on what to add.) Contributions will be recognised through acknowledgements or co-authorship. Best regards, Ben
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