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- # Generate MD5 and SHA256 fingerprint of an OpenSSH host
- ## MD5
- ```console
- # ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null | awk '{ print $3 }' | base64 -d | md5sum | awk '{ print $1 }' | fold -w2 | paste -sd':' -
- 71:5a:1d:bb:1f:1e:fa:e6:34:98:3d:48:f5:ce:9d:68
- # ssh-keygen -l -E md5 -f <(ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null)
- 2048 MD5:71:5a:1d:bb:1f:1e:fa:e6:34:98:3d:48:f5:ce:9d:68 [rostam.cct.lsu.edu]:8000 (RSA)
- ```
- ## SHA256
- ```console
- # ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null | awk '{ print $3 }' | base64 -d | sha256sum | awk '{ print $1 }' | xxd -r -p | base64
- Ht2XIO1XUu0diiH2V5PSiEAS0TgR/P0J1RAysk/9yXU=
- # ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null | awk '{ print $3 }' | base64 -d | md5sum | awk '{ print $1 }' | sed 's/.\{2\}/&:/g'
- 71:5a:1d:bb:1f:1e:fa:e6:34:98:3d:48:f5:ce:9d:68:
- # ssh-keygen -l -E sha256 -f <(ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null)
- 2048 SHA256:Ht2XIO1XUu0diiH2V5PSiEAS0TgR/P0J1RAysk/9yXU [rostam.cct.lsu.edu]:8000 (RSA)
- ```
- ## RandomArt
- ```console
- # ssh-keygen -lv -E md5 -f <(ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null)
- 2048 MD5:71:5a:1d:bb:1f:1e:fa:e6:34:98:3d:48:f5:ce:9d:68 [rostam.cct.lsu.edu]:8000 (RSA)
- +---[RSA 2048]----+
- | . |
- | . o |
- | . o o . |
- | = o . |
- | S o o .|
- | . O.=o|
- | =EB.+|
- | .o.o |
- | oo |
- +------[MD5]------+
- # python3 ssh_fingerprint_to_randomart.py 71:5a:1d:bb:1f:1e:fa:e6:34:98:3d:48:f5:ce:9d:68
- +---[ n/a ]----+
- | . |
- | . o |
- | . o o . |
- | = o . |
- | S o o .|
- | . O.=o|
- | =EB.+|
- | .o.o |
- | oo |
- +-----------------+
- # ssh-keygen -lv -E sha256 -f <(ssh-keyscan -p 8000 -t rsa rostam.cct.lsu.edu 2>/dev/null)
- 2048 SHA256:Ht2XIO1XUu0diiH2V5PSiEAS0TgR/P0J1RAysk/9yXU [rostam.cct.lsu.edu]:8000 (RSA)
- +---[RSA 2048]----+
- | .*O+.o.o* +|
- | +.+o+++ O.|
- | +.=.*.=.E|
- | ooO +o+*|
- | S ..* =+ |
- | . . = |
- | . |
- | |
- | |
- +----[SHA256]-----+
- # python3 ssh_fingerprint_to_randomart.py -m sha256 Ht2XIO1XUu0diiH2V5PSiEAS0TgR/P0J1RAysk/9yXU
- +---[ n/a ]----+
- | .*O+.o.o* +|
- | +.+o+++ O.|
- | +.=.*.=.E|
- | ooO +o+*|
- | S ..* =+ |
- | . . = |
- | . |
- | |
- | |
- +-----------------+
- ```
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