public key
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... authenticate once with password authentication and
transfer the public key to the server. However, to date no two
implementations use the same mechanism to configure a public key for
...
... transfer the public key to the server. However, to date no two
implementations use the same mechanism to configure a public key for
use.
...
... allows client software to take on the burden of this configuration.
The Public Key Subsystem protocol is designed for extreme simplicity
in implementation. It is not intended as a Public Key Infrastructure
...
... The Public Key Subsystem protocol is designed for extreme simplicity
in implementation. It is not intended as a Public Key Infrastructure
for X.509 Certificates (PKIX ...
...
The Secure Shell Public Key Subsystem has been designed to run on top
of the Secure Shell transport layer ...
... servers SHOULD provide a configuration option to disable the use of
password authentication after the first public key is added.
...
... Public Key Subsystem Overview ...
... well as provide specific response data.
The format of public key blobs are detailed in Section 6.6, "Public
Key Algorithms" of the SSH Transport Protocol document [2 ...
...
The format of public key blobs are detailed in Section 6.6, "Public
Key Algorithms" of the SSH Transport Protocol document [2].
...
... Opening the Public Key Subsystem ...
... SSH_MSG_CHANNEL_SUCCESS if the Public Key Subsystem was successfully
started, or SSH_MSG_CHANNEL ...
... CHANNEL_FAILURE if the server failed to start or
does not support the Public Key Subsystem.
The server SHOULD respond with SSH ...
... SSH_MSG_CHANNEL_FAILURE if the user is
not allowed access to the Public Key Subsystem (for example, because
the user authenticated with a restricted public key ...
... Public Key Subsystem (for example, because
the user authenticated with a restricted public key).
It is RECOMMENDED that clients ...
...
All Public Key Subsystem requests and responses are sent in the
following form:
...
... Public Key Subsystem Operations ...
...
The Public Key Subsystem currently defines four operations: add,
remove, list, and listattributes.
...
... Adding a Public Key ...
...
string "add"
string public key algorithm name
string public key blob
...
... attribute-count times
The server MUST attempt to store the public key for the user in the
appropriate location so the public key can be used for subsequent
...
... The server MUST attempt to store the public key for the user in the
appropriate location so the public key can be used for subsequent
public key authentications. If the overwrite field is false and the
...
... appropriate location so the public key can be used for subsequent
public key authentications. If the overwrite field is false and the
specified key already exists, the server MUST return
SSH ...
...
The value of the comment attribute contains user-specified text about
the public key. The server SHOULD make every effort to preserve this
value and return it with the key during any subsequent list
operation. The server MUST NOT attempt to interpret or act upon the
...
... Removing a Public Key ...
...
The server MUST attempt to remove the public key for the user from
the appropriate location, so that the public key cannot be used for
...
... remove the public key for the user from
the appropriate location, so that the public key cannot be used for
subsequent authentications.
...
... Public Key Subsystem Request Names ...
...
The following table lists the initial assignments of Public Key
Subsystem Request names.
Request Name
...
... Public Key Subsystem Response Names ...
...
The following table lists the initial assignments of Public Key
Subsystem Response names.
...
... Public Key Subsystem Attribute Names ...
...
Attributes are used to define properties or restrictions for public
keys. The following table lists the initial assignments of Public
Key Subsystem Attribute names.
...
... Public Key Subsystem Status Codes ...
...
The following table identifies the initial assignments of the Public
Key Subsystem status code values.
...