manual: Shorten section on generating RSA keys.

Remove the text about keys generated with "openssl genrsa". Such keys
are deprecated and support for them will eventually be removed.

This also removes the sentence about 0.3.x keys.

diff --git a/web/manual.m4 b/web/manual.m4
index 18c6608ff12bc8646056b9199c4db07a5e8c11a6..1cf6ac29b0b7195c63af6093f4caac24b75f6ac7 100644 (file)
--- a/web/manual.m4
+++ b/web/manual.m4
@@ -377,15 +377,10 @@ key pair with the commands
        ssh-keygen -t rsa -b 2048
        # hit enter twice to create a key with no passphrase
 
-This generates the two files id_rsa and id_rsa.pub in ~/.ssh. Note
-that paraslash can also read keys generated by the "openssl genrsa"
-command. However, since keys created with ssh-keygen can also be used
-for ssh, this method is recommended.
-
-Note that para_server refuses to use a key if it is shorter than 2048
-bits. In particular, the RSA keys of paraslash 0.3.x will not work
-with version 0.4.x. Moreover, para_client refuses to use a (private)
-key which is world-readable.
+This generates the two files id_rsa and id_rsa.pub in ~/.ssh.
+Note that para_server refuses to use a key if it is shorter than
+2048 bits. Moreover, para_client refuses to use a private key which
+is world-readable.
 
 para_server only needs to know the public key of the key pair just
 created. Copy this public key to server_host: