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Command Line Interface
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4
show public-key
This command shows the public key for the specified user or for the host.
Syntax
show public-key [user [username]| host]
username – Name of an SSH user. (Range: 1-8 characters)
Default Setting
Shows all public keys.
Command Mode
Privileged Exec
Command Usage
• If no parameters are entered, all keys are displayed. If the user keyword is
entered, but no user name is specified, then the public keys for all users are
displayed.
Table 4-16 show ssh - display description
Field Description
Session The session number. (Range: 0-3)
Version The Secure Shell version number.
State The authentication negotiation state.
(Values: Negotiation-Started, Authentication-Started, Session-Started)
Username The user name of the client.
Encryption The encryption method is automatically negotiated between the client and server.
Options for SSHv1.5 include: DES, 3DES
Options for SSHv2.0 can include different algorithms for the client-to-server (ctos)
and server-to-client (stoc):
aes128-cbc-hmac-sha1
aes192-cbc-hmac-sha1
aes256-cbc-hmac-sha1
3des-cbc-hmac-sha1
blowfish-cbc-hmac-sha1
aes128-cbc-hmac-md5
aes192-cbc-hmac-md5
aes256-cbc-hmac-md5
3des-cbc-hmac-md5
blowfish-cbc-hmac-md5
Te r m in o lo g y:
DES – Data Encryption Standard (56-bit key)
3DES – Triple-DES (Uses three iterations of DES, 112-bit key)
aes – Advanced Encryption Standard (160 or 224-bit key)
blowfish – Blowfish (32-448 bit key)
cbc – cypher-block chaining
sha1 – Secure Hash Algorithm 1 (160-bit hashes)
md5 – Message Digest algorithm number 5 (128-bit hashes)