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  2. Common Access Card - Wikipedia

    en.wikipedia.org/wiki/Common_Access_Card

    CAC is based on X.509 certificates with software middleware enabling an operating system to interface with the card via a hardware card reader. Although card manufacturers such as Schlumberger provided a suite of smartcard, hardware card reader and middleware for both Linux and Windows , not all other CAC systems integrators did likewise.

  3. Online Certificate Status Protocol - Wikipedia

    en.wikipedia.org/wiki/Online_Certificate_Status...

    The OCSP responder uses the certificate serial number to look up the revocation status of Alice's certificate. The OCSP responder looks in a CA database that Carol maintains. In this scenario, Carol's CA database is the only trusted location where a compromise to Alice's certificate would be recorded.

  4. Smart card - Wikipedia

    en.wikipedia.org/wiki/Smart_card

    The card stores an encrypted digital certificate issued from the PKI provider along with other relevant information. Examples include the U.S. Department of Defense (DoD) Common Access Card (CAC), and other cards used by other governments for their citizens. If they include biometric identification data, cards can provide superior two- or three ...

  5. X.509 - Wikipedia

    en.wikipedia.org/wiki/X.509

    A certificate chain (see the equivalent concept of "certification path" defined by RFC 5280 section 3.2) is a list of certificates (usually starting with an end-entity certificate) followed by one or more CA certificates (usually the last one being a self-signed certificate), with the following properties:

  6. S/MIME - Wikipedia

    en.wikipedia.org/wiki/S/MIME

    In 2020, the S/MIME Certificate Working Group [3] of the CA/Browser Forum was chartered to create a baseline requirement applicable to CAs that issue S/MIME certificates used to sign, verify, encrypt, and decrypt email. That effort is intended to create standards including: Certificate profiles for S/MIME certificates and CAs that issue them

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Extended Validation Certificate - Wikipedia

    en.wikipedia.org/.../Extended_Validation_Certificate

    An Extended Validation (EV) Certificate is a certificate conforming to X.509 that proves the legal entity of the owner and is signed by a certificate authority key that can issue EV certificates. EV certificates can be used in the same manner as any other X.509 certificates, including securing web communications with HTTPS and signing software ...

  9. Electronic identification - Wikipedia

    en.wikipedia.org/wiki/Electronic_identification

    An electronic identification ("eID") is a digital solution for proof of identity of citizens or organizations.They can be used to view to access benefits or services provided by government authorities, banks or other companies, for mobile payments, etc. Apart from online authentication and login, many electronic identity services also give users the option to sign electronic documents with a ...