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Table 18

Cisco 1721, 1760, 2621XM, 2651XM, 2691, 3725, and 3745 Modular Access Routers and 7206-VXR NPE-400 Router FIPS 140-2 Non-Proprietary

OL-6083-01

The Cisco 1721, 1760, 2621XM, 2651XM, 2691, 3725, 3745, and 7206 VXR NPE-400 Routers

Critical Security Parameters (Continued)

CSP 12

The RSA public key used to validate signatures within IKE. These

keys are expired either when CRL (certificate revocation list)

expires or 5 secs after if no CRL exists. After above expiration

happens and before a new public key structure is created this key

is deleted. This key does not need to be zeroized because it is a

public key; however, it is zeroized as mentioned here.

CSP 13

The fixed key used in Cisco vendor ID generation. This key is

embedded in the module binary image and can be deleted by

erasing the Flash.

CSP 14

The IPSec encryption key. Zeroized when IPSec session is

terminated.

CSP 15

The IPSec authentication key. The zeroization is the same as

above.

CSP 16

The RSA public key of the CA. "no crypto ca trust <label>"

command invalidates the key and it frees the public key label

which in essence prevent use of the key. This key does not need to

be zeroized because it is a public key.

CSP 17

This key is a public key of the DNS server. Zeroized using the

same mechanism as above. "no crypto ca trust <label>" command

invalidate the DNS server's public key and it frees the public key

label which in essence prevent use of that key. This label is

different from the label in the above key. This key does not need

to be zeroized because it is a public key.

CSP 18

The SSL session key. Zeroized when the SSL connection is

terminated.

CSP 19

The ARAP key that is hardcoded in the module binary image.

This key can be deleted by erasing the Flash.

CSP 20

This is an ARAP user password used as an authentication key. A

function uses this key in a DES algorithm for authentication.

CSP 21

The key used to encrypt values of the configuration file. This key

is zeroized when the "no key config-key" is issued.

CSP 22

This key is used by the router to authenticate itself to the peer. The

router itself gets the password (that is used as this key) from the

AAA server and sends it onto the peer. The password retrieved

from the AAA server is zeroized upon completion of the

authentication attempt.

CSP 23

The RSA public key used in SSH. Zeroized after the termination

of the SSH session. This key does not need to be zeroized because

it is a public key; However, it is zeroized as mentioned here.

CSP 24

The authentication key used in PPP. This key is in the DRAM and

not zeroized at runtime. One can turn off the router to zeroize this

key because it is stored in DRAM.

DRAM

(plaintext)

NVRAM

(plaintext)

DRAM

(plaintext)

DRAM

(plaintext)

NVRAM

(plaintext)

NVRAM

(plaintext)

DRAM

(plaintext)

Flash

(plaintext)

DRAM

(plaintext)

NVRAM

(plaintext)

DRAM

(plaintext)

DRAM

(plaintext)

DRAM

(plaintext)