SSH host keys/fr: Difference between revisions

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Your SSH client will display the host key fingerprint the first time you try to connect to a server, or if it has no record of the server using that host key. When this happens you should always compare it to the published host key fingerprints for that server.
Un client SSH affiche l’empreinte numérique de la clé hôte du serveur quand vous tentez de vous connecter à ce serveur pour la première fois ou quand il ne reconnaît pas cette clé hôte. Dans ces cas, comparez l’empreinte affichée à celles listées ci-dessous.


Below are the host key fingerprints for Compute Canada servers, as of July 12, 2019.  
Below are the host key fingerprints for Compute Canada servers, as of July 12, 2019.  

Revision as of 16:22, 17 July 2019

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Un client SSH affiche l’empreinte numérique de la clé hôte du serveur quand vous tentez de vous connecter à ce serveur pour la première fois ou quand il ne reconnaît pas cette clé hôte. Dans ces cas, comparez l’empreinte affichée à celles listées ci-dessous.

Below are the host key fingerprints for Compute Canada servers, as of July 12, 2019.


Béluga

ECDSA
SHA256:9tRJeRU3sa45G4oxtJxwLo7rPIjWwGaogVwushkvFtE
MD5:85:f7:06:47:5b:0f:95:94:0c:6d:36:52:7a:84:ed:39
ED25519
SHA256:lwmU2AS/oQ0Z2M1a31yRAxlKPcMlQuBPFP+ji/HorHQ
MD5:2d:d7:cc:d0:85:f9:33:c1:44:80:38:e7:68:ce:38:ce
RSA
SHA256:fbkc5hphphBLYjGGCRHvFZYFFwKLb+IzgKvIQMFpvRs
MD5:1f:07:a9:eb:6a:07:12:ca:75:76:16:0b:4f:3f:f3:23

Cedar

ECDSA
  • SHA256:fdAp892EGlADRSC8I16Gj8eun6TLXmn6sFqmi7seb4c
  • MD5:0e:0e:8e:07:26:b1:dd:74:95:8b:32:00:84:42:10:df
RSA
  • SHA256:8jpkttv8GBIfGCkVsEsUdcQPyTJu2QlC+8XsZk1fN/4
  • MD5:64:50:b3:96:97:b0:11:64:db:23:de:65:b0:a7:99:73
ED25519
  • SHA256:a4n68wLDqJhxtePn04T698+7anVavd0gdpiECLBylAU
  • MD5:f8:6a:45:2e:b0:3a:4b:16:0e:64:da:fd:68:74:6a:24

Graham

ECDSA
  • SHA256:JRj286Pkqh6aeO5zx1QUkS8un5fpcapmezusceSGhok
  • MD5:99:59:db:b1:3f:18:d0:2c:49:4e:c2:74:86:ac:f7:c6
ED25519
  • SHA256:mf1jJ3ndpXhpo0k38xVxjH8Kjtq3o1+ZtTVbeM0xeCk
  • MD5:bc:93:0c:64:f7:e7:cf:d9:db:81:40:be:4d:cd:12:5c
RSA
  • SHA256:izJoT1zTpcn3Q8lwhC6VMdVuGWNE/KH44M9hv5Ew3sE
  • MD5:ef:33:04:74:08:44:c5:46:78:81:9b:7a:79:af:0f:be

Niagara

ED25519
  • SHA256:SauX2nL+Yso9KBo2Ca6GH/V9cSFLFXwxOECGWXZ5pxc
  • MD5:b4:ae:76:a5:2b:37:8d:57:06:0e:9a:de:62:00:26:be
RSA
  • SHA256:k6YEhYsI73M+NJIpZ8yF+wqWeuXS9avNs2s5QS/0VhU
  • MD5:98:e7:7a:07:89:ef:3f:d8:68:3d:47:9c:6e:a6:71:5e


SSH test node

We currently offer a test node that you can use to test your client of choice before the change happens. You can connect to it using the hostname ssh-test.computecanada.ca using your regular Compute Canada credentials. Its host key fingerprints are:


ED25519 (256b)
SHA256:Tpu6li6aynYkhmB83Q9Sh7x8qdhT8Mbw4QcDxTaHgxY
MD5:33:8f:f8:57:fa:46:f9:7f:aa:73:e2:0b:b1:ce:66:38
RSA (4096b)
SHA256:DMSia4nUKIyUhO5axZ/As4I8uqlaX0jPcJvcK93D2H0
MD5:a7:08:00:7c:eb:81:f2:f7:2f:5a:92:b0:85:e3:e8:5d


If you can connect successfully to ssh-test.computecanada.ca now, then you will continue to be able to connect to our clusters when the SSH changes are made in the summer of 2019.

Another way to find host key fingerprints

You can also determine the host key fingerprints for a server with the following commands:

  • for an MD5 fingerprint hash:
ssh-keyscan beluga.computecanada.ca | ssh-keygen -E md5 -l -f -
  • for an SHA256 fingerprint hash:
ssh-keyscan beluga.computecanada.ca | ssh-keygen -E sha256 -l -f -
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