Avaya Business Secure Router 252 Configuration - Basics Instrukcja Użytkownika Pobierz pdf (Strona 284)

284 Chapter 14 Certificates

NN47923-500

Signature

Algorithm

This field displays the type of algorithm that was used to sign the

certificate. Some certification authorities use rsa-pkcs1-sha1 (RSA

public-private key encryption algorithm and the SHA1 hash

algorithm). Other certification authorities can use rsa-pkcs1-md5

(RSA public-private key encryption algorithm and the MD5 hash

algorithm).

Valid From This field displays the date that the certificate becomes applicable.

The text displays in red and includes a Not Yet Valid! message if the

certificate has not yet become applicable.

Valid To This field displays the date that the certificate expires. The text

displays in red and includes an Expiring! or Expired! message if the

certificate is about to expire or has already expired.

Key Algorithm This field displays the type of algorithm that was used to generate the

certificate key pair (the Business Secure Router uses RSA

encryption) and the length of the key set in bits (1 024-bits, for

example).

Subject

Alternative Name

This (optional) field displays the IP address (IP), domain name (DNS),

or e-mail address (EMAIL) of the owner of the certificate.

Key Usage This field displays for what functions the certificate key can be used.

For example, “DigitalSignature” means that the key can be used to

sign certificates and “KeyEncipherment” means that the key can be

used to encrypt text.

Basic Constraint This field displays general information about the certificate. For

example, Subject Type=CA means that this is a certification authority

certificate and “Path Length Constraint=1” means that there can only

be one certification authority in the certification path.

CRL Distribution

Points

This field displays how many directory servers with Lists of revoked

certificates the issuing certification authority of this certificate makes

available. This field also displays the domain names or IP addresses

of the servers.

MD5 Fingerprint This is the message digest of the certificate that the Business Secure

Router calculated using the MD5 algorithm. You can use this value to

verify with the certification authority (over the phone, for example) that

this is actually a valid certificate.

SHA1 Fingerprint This is the message digest of the certificate that the Business Secure

Router calculated using the SHA1 algorithm. You can use this value

to verify with the certification authority (over the phone, for example)

that this is actually a valid certificate.

Table 70 Trusted CA details

Label Description

1 2 ... 279 280 281 282 283 284 285 286 287 288 289 ... 459 460

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