CryptoWhat is Crypto PKI Trust Point

What is Crypto PKI Trust Point

A trust point is essentially an authority that you trust. It is known as a trust point because you implicitly trust that authority. The concept is that when you trust a self-signed certificate, your system for PKIs will be able to trust any certificates issued by the trustworthy certificate.

Trust point certificates are a self-signed document and hence the name trust point. It doesn’t rely on the trust of any other person or any other entity.Cisco IOS public key infrastructure permits certificate administration that supports security protocols, such as IP Security (IPsec), secure shell (SSH) Secure socket layer (SSL).

A PKI is made up of these entities:

  • Peers who communicate on a secured network
  • At least one authority for certification (CA) which issues and maintains certificates
  • Digital certificates contain information about the certificate validity time as well as information about the peer identity of the certificate, encryption keys used to secure communications as well as the signatures of the issuer CA
  • An additional Registration authority (RA) to relieve the CA in the process of processing enrollment requests.
  • A distribution method (such as Lightweight Directory Access Protocol [LDAP or HTTP) to distribute certificate Revocation lists (CRLs).

 

Enrollment for a PKI

This article explains the various ways to enroll in certificates and how to configure each one for a participant PKI peer. Certificate enrollment, the technique of getting the certificate from an official certification authority (CA) is a process that occurs between the host that seeks the certificate as well as the CA. Every peer who participates within the public key infrastructure (PKI) is required to sign up with a CA.

The software you are using may not work with all features described by this document. To find the latest caveats as well as information about the feature, consult the Bug Search Tool and the release notes for your particular platform and release. To learn more about the features described by this program, as well as to view the list of releases that each feature is available, refer to the table with information on features.

Utilize Cisco Feature Navigator to find details about the platform support and Cisco images for software. To entrance Cisco Feature Navigator, go to https://cfnng.cisco.com/. A Cisco.com account is not required. Cisco.com is not needed for PKI Certificate Enrollment

Before you can configure peers to enroll in certificates You should be able to access the following things:The produced Rivets, Shamir, and Adelman (RSA) key pair to sign up as well as a PKI that allows you to sign up.

An authenticated CA

Understanding with the module “Cisco IOS PKI Overview: Understanding and Planning a PKI.”

Set up NTP on your device to ensure that PKI services, such as auto-enrollment and rollover of certificates can be used correctly.

What Are CAs

The term “CA” refers to a CA is an organization that issues digital certificates others can utilize. This is an instance of a trustworthy third party. CAS are a common feature of PKI schemes.

A CA manages requests for certificates and distributes certificates to participant’s network devices. These services provide centralized key management to the participants to verify identities as well as to generate digital certificates. Before any PKI activities can start the CA creates its private key pair and then creates a self-signed CA certificate.

After that, the CA can sign certificates and then begin enrolling peers on the PKI.You can utilize Cisco IOS as a Cisco IOS Certificate Server, or a CA that is provided by an outside CA vendor.

PKI trust point crypto self-signed

This command is a security-related command connected to the PKI or the public key infrastructure.

This should be the default of all newer IOS images to set the devices up to secure management, such as SSH as well as the usage of certificate. In the sense that if you are managing your devices via Telnet the commands are of no impact on your situation.

Edit The following is an example of commands that can be found in the C1811 router that is derived from another thread.

  • crypto PKI trust point TP-self-signed-4147111382
  • enrollment that is self-signed
  • subject-name cn=IOS-Self-Signed-Certificate-4147111382
  • revocation-check none
  • RSA keypair TP-self-signed-4147111382!

Crypto PKI certificate map

To create access control lists that are based on certificates (ACLs) you can use the crypto certificate map command PKI in the ca-certificate map configuration mode. To get rid of the certificate-based ACLs you can use the no option in this command.

  • crypto PKI certificate map label sequence-number

Crypto PKI certificate query

To agree that certificates will not be protected locally, but obtained from a certification authoritative (CA) trust point you can use the crypto PKI command when in the ca-trust point configuration mode. To have certificates stored locally on trust points choose the no option of this command.

  • crypto PKI certificate query
  • no crypto PKI certificate query

 

Storage of crypto-PKI certificates

To determine the location of local storage to store the public key infrastructure (PKI) credentials make use of the crypto PKI certificate storage command within the global configuration mode. To change the default behaviour, which is to save PKI credentials in NVRAM make use of the no version of this command.

  • Crypto PKI certificate storage location name
  • no crypto PKI certificate storage

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