-bf(Silc) supports em(passphrase) and public key authentication based on
-em(digital signatures), when connecting to SILC server. bf(Silc) also supports
-key exchange (key agreement) between other bf(Silc) users in the SILC
-network to negotiate secret key material. This key material then can be
-used to secure for example private messages. It is also possible to exchange
-public keys and certificates in the SILC network between clients and servers.
+bf(Silc) supports em(passphrase) authentication and public key authentication
+based on em(digital signatures), when connecting to SILC server. bf(Silc)
+also supports key exchange (key agreement) between other bf(Silc) users in
+the SILC network to negotiate secret key material. This key material then
+can be used to secure for example private messages. It is also possible to
+exchange public keys and certificates in the SILC network between clients
+and servers.