intro: add sha256 ssh fingerprints

introduction/login.rst

@@ -26,8 +26,17 @@ This is to authenticate the host and to prevent so-called man in the middle
 attacks on your connection. The fingerprint should be either one of the
 following:
 
-``RSA: b3:c5:6a:3a:e1:cf:ca:38:57:43:19:1e:fc:45:eb:f4``
-``DSA: 47:3a:37:7f:73:00:9d:c1:8c:9f:f7:bb:8d:fa:67:e6``
+```
++---------+---------+-------------------------------------------------+
+| Cipher  | Algo    | Fingerprint                                     |
++---------+---------+-------------------------------------------------+
+| RSA     | MD5     | b3:c5:6a:3a:e1:cf:ca:38:57:43:19:1e:fc:45:eb:f4 |
+| RSA     | SHA-256 | EwUlbWfFa27S9IickmNrEjbKp8yYafJ4+ga+fl4MDU0=    |
++---------+---------+-------------------------------------------------+
+| DSA     | MD5     | 47:3a:37:7f:73:00:9d:c1:8c:9f:f7:bb:8d:fa:67:e6 |
+| DSA     | SHA-256 | yAlL0wPyid03FzCkjvUXRBKxjEPY3UlvdaoNbv2sZXA=    |
++---------+---------+-------------------------------------------------+
+```
 
 SSH File Transfer
 -----------------