similar to: [Bug 2400] New: StrictHostKeyChecking=no behaviour on HOST_CHANGED is excessively insecure

https://bugzilla.mindrot.org/show_bug.cgi?id=2501 Bug ID: 2501 Summary: VerifyHostKeyDNS & StrictHostKeyChecking Product: Portable OpenSSH Version: 7.1p1 Hardware: All OS: All Status: NEW Severity: normal Priority: P5 Component: ssh Assignee: unassigned-bugs at mindrot.org

https://bugzilla.mindrot.org/show_bug.cgi?id=2439 Bug ID: 2439 Summary: New sha256-base64 SSH Fingerprints in openssh-6.8 Product: Portable OpenSSH Version: 6.9p1 Hardware: Other OS: Linux Status: NEW Severity: enhancement Priority: P5 Component: Miscellaneous Assignee:

https://bugzilla.mindrot.org/show_bug.cgi?id=2440 Bug ID: 2440 Summary: X11 connection will fail if user's home directory is read-only Product: Portable OpenSSH Version: 6.8p1 Hardware: Sparc OS: Solaris Status: NEW Severity: normal Priority: P5 Component: sshd

https://bugzilla.mindrot.org/show_bug.cgi?id=2158 Bug ID: 2158 Summary: Race condition in receiving SIGTERM Product: Portable OpenSSH Version: 6.2p1 Hardware: All OS: Linux Status: NEW Severity: minor Priority: P5 Component: sshd Assignee: unassigned-bugs at mindrot.org

https://bugzilla.mindrot.org/show_bug.cgi?id=2576 Bug ID: 2576 Summary: ssh-agent enters busy loop when running out of fds Product: Portable OpenSSH Version: 7.2p1 Hardware: Other OS: Linux Status: NEW Severity: minor Priority: P5 Component: ssh-agent Assignee: unassigned-bugs

https://bugzilla.mindrot.org/show_bug.cgi?id=2453 Bug ID: 2453 Summary: Document authentication method "none" for AuthenticationMethods Product: Portable OpenSSH Version: 7.1p1 Hardware: Other OS: Linux Status: NEW Severity: enhancement Priority: P5

https://bugzilla.mindrot.org/show_bug.cgi?id=2397 Bug ID: 2397 Summary: Match block doesn't match negated addresses Product: Portable OpenSSH Version: 6.8p1 Hardware: Other OS: Linux Status: NEW Severity: minor Priority: P5 Component: sshd Assignee: unassigned-bugs at

https://bugzilla.mindrot.org/show_bug.cgi?id=2568 Bug ID: 2568 Summary: ssh fails to authenticate using RSA keys when agent does not support sha256/512 signatures Product: Portable OpenSSH Version: -current Hardware: Other URL: https://github.com/connectbot/connectbot/issues/397 OS: Linux

https://bugzilla.mindrot.org/show_bug.cgi?id=2434 Bug ID: 2434 Summary: scp can send arbitrary control characters / escape sequences to the terminal Product: Portable OpenSSH Version: 6.7p1 Hardware: Other OS: Linux Status: NEW Severity: security Priority: P5

https://bugzilla.mindrot.org/show_bug.cgi?id=2625 Bug ID: 2625 Summary: Support Capabilities for ssh client port forwarding Product: Portable OpenSSH Version: 7.3p1 Hardware: All OS: Linux Status: NEW Severity: enhancement Priority: P5 Component: ssh Assignee: unassigned-bugs

https://bugzilla.mindrot.org/show_bug.cgi?id=2561 Bug ID: 2561 Summary: ssh-keygen -A does not recreate broken zero-sized host keys Product: Portable OpenSSH Version: 7.2p1 Hardware: All OS: All Status: NEW Severity: normal Priority: P5 Component: ssh-keygen

https://bugzilla.mindrot.org/show_bug.cgi?id=2341 Bug ID: 2341 Summary: XQuartz X11 forwarding not working in OS X 10.10 Yosemite Product: Portable OpenSSH Version: 6.7p1 Hardware: All OS: Mac OS X Status: NEW Severity: normal Priority: P5 Component: ssh

https://bugzilla.mindrot.org/show_bug.cgi?id=2525 Bug ID: 2525 Summary: Please add an alias such as -o Insecure for -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no Product: Portable OpenSSH Version: 6.7p1 Hardware: amd64 OS: Linux Status: NEW Severity:

https://bugzilla.mindrot.org/show_bug.cgi?id=2594 Bug ID: 2594 Summary: Tracking bug for OpenSSH 7.4 release Product: Portable OpenSSH Version: -current Hardware: Other OS: All Status: NEW Keywords: meta Severity: normal Priority: P1 Component: Miscellaneous

https://bugzilla.mindrot.org/show_bug.cgi?id=2660 Bug ID: 2660 Summary: Create mux socket for regress in temp directory Product: Portable OpenSSH Version: 7.4p1 Hardware: Other OS: Linux Status: NEW Severity: enhancement Priority: P5 Component: Regression tests Assignee:

https://bugzilla.mindrot.org/show_bug.cgi?id=2698 Bug ID: 2698 Summary: Tracking bug for OpenSSH 7.6 release Product: Portable OpenSSH Version: -current Hardware: All OS: All Status: NEW Severity: normal Priority: P5 Component: Miscellaneous Assignee: unassigned-bugs at

https://bugzilla.mindrot.org/show_bug.cgi?id=3176 Bug ID: 3176 Summary: can't figure out how to test StrictHostKeyChecking accept-new Product: Portable OpenSSH Version: 8.3p1 Hardware: Other OS: Linux Status: NEW Severity: enhancement Priority: P5 Component: ssh

https://bugzilla.mindrot.org/show_bug.cgi?id=2687 Bug ID: 2687 Summary: Coverity scan fixes Product: Portable OpenSSH Version: 7.4p1 Hardware: Other OS: Linux Status: NEW Severity: enhancement Priority: P5 Component: Miscellaneous Assignee: unassigned-bugs at mindrot.org

https://bugzilla.mindrot.org/show_bug.cgi?id=2647 Bug ID: 2647 Summary: Tracking bug for OpenSSH 7.5 release Product: Portable OpenSSH Version: -current Hardware: Other OS: Linux Status: NEW Keywords: meta Severity: enhancement Priority: P5 Component: Miscellaneous

Dear All It is a little hard to give a good small example of my question,so I will show the full data on the bottom and the attachment.Maybe some one could tell me an appropriate way to show it.I'm sorry for the inconvenience. Q:How to generate a 53*53 diagonal matrix by my data Some problems confused me are that: 1.Since it is a diagonal matrix,I have tried to transform col1 and col2 to