OpenSSL/SSH: Difference between revisions
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m Hdridder moved page OpenSSL to OpenSSL/SSH: Better covers the content |
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;ssh-keygen -y -f <privatkeyfile> | ;ssh-keygen -y -f <privatkeyfile> | ||
:Print the public key for the private key in <privatkeyfile> | :Print the public key for the private key in <privatkeyfile> | ||
;ssh user@target | |||
:SSH into target system as user, if user is omitted the current username is used | |||
;ssh -vvv user@target | |||
:Be very verbose with debug information | |||
;ssh -i keyfile user@target | |||
:Use the key in keyfile to connect | |||
Revision as of 13:40, 19 November 2024
- openssl rsa -text -noout -in id_rsa
- Print out key attributes (o.a. key length)
- openssl s_client -showcerts -connect <system>:<port>
- Get the certificates available and test connectivity
- openssl x509 -outform der -in <pemfile> -out <filename>.der -text
- Convert to DER format.
- ssh-keygen -t ed25519
- Create a keypair (accept all defaults, put a password if you want)
- ssh-keygen -y -f <privatkeyfile>
- Print the public key for the private key in <privatkeyfile>
- ssh user@target
- SSH into target system as user, if user is omitted the current username is used
- ssh -vvv user@target
- Be very verbose with debug information
- ssh -i keyfile user@target
- Use the key in keyfile to connect