crypto key zeroize
Deletes the crypto host key pair from the flash memory.
Syntax
Command Default
SSH is not enabled and the host key pair is saved in the flash memory.
Modes
Global configuration mode
Usage Guidelines
When a host key is generated, it is saved to the flash memory of all management modules. The time to initially generate SSH keys varies depending on the configuration, and can be from a under a minute to several minutes. To disable SSH, you delete all of the host keys from the device. When a host key is deleted, it is deleted from the flash memory of all management modules.
Examples
The following example shows how to delete the DSA key pair.
device(config)# crypto key zeroize dsa
The following example shows how to delete the RSA key pair.
device(config)# crypto key zeroize rsa
The following example shows how to delete DSA and RSA key pairs from flash memory.
device(config)# crypto key zeroize
History
| Release version | Command history |
|---|---|
| 5.9.00 | This command was modified. The cr option was removed. |