In SSH the client publishes his public encryption key into the server authorized_keys file for a given user. I am interested in understanding better how the public key is used context of authentication. At which stage is it used? Are there digest messages being exchanged? I Googled it and found no clear answer to this questions. Thanks!
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The SSH protocol is described in excruciating detail in a series of five RFCs: http://www.snailbook.com/protocols.html The authentication protocol is RFC 4252 (http://www.snailbook.com/docs/userauth.txt). If you're interested in seeing what SSH is sending back and forth, you can run it with the |
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