Cisco Cisco IOS XE 3.5E
Displaying the Digital Signature Information for a Specific Image File Example
The following example shows how to display the digital signature information related to software authentication for a specific image
file:
file:
Device# show software authenticity file flash0:c3900-universalk9-mz.SSA
File Name
: flash0:c3900-universalk9-mz.SSA
Image type
: Development
Signer Information
Common Name
: xxx
Organization Unit
: xxx
Organization Name
: xxx
Certificate Serial Number : xxx
Hash Algorithm
Hash Algorithm
: SHA512
Signature Algorithm
: 2048-bit RSA
Key Version
: A
The table below describes the significant fields shown in the display.
Table 3: show software authenticity file Field Descriptions
Description
Field
Name of the filename in the memory. For example,
flash0:c3900-universalk9-mz.SSA refers to filename
c3900-universalk9-mz.SSA in flash memory (flash0:).
flash0:c3900-universalk9-mz.SSA refers to filename
c3900-universalk9-mz.SSA in flash memory (flash0:).
File Name
Displays the type of image.
Image type
Signature information.
Signer Information
Displays the name of the software manufacturer.
Common Name
Displays the hardware the software image is deployed on.
Organization Unit
Displays the owner of the software image.
Organization Name
Displays the certificate serial number for the digital signature.
Certificate Serial Number
Displays the type of hash algorithm used in digital signature
verification.
verification.
Hash Algorithm
Displays the type of signature algorithm used in digital
signature verification.
signature verification.
Signature Algorithm
Displays the key version used for verification.
Key Version
11