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  2. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    A digital signature is an authentication mechanism that enables the creator of the message to attach a code that acts as a signature. The Digital Signature Algorithm (DSA), developed by the National Institute of Standards and Technology, is one of many examples of a signing algorithm.

  3. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Add or disable 2-step verification for extra security. Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and ...

  4. Download, install, or uninstall AOL Desktop Gold - AOL Help

    help.aol.com/articles/aol-desktop-downloading...

    Download Desktop Gold. AOL Desktop Gold is included at no additional cost with your membership. 2. Under 'All Products' scroll to 'AOL Desktop Gold'. If you have an AOL Desktop Gold trial or subscription. Using the link in the Official AOL signup confirmation email you received. 1.

  5. Public key infrastructure - Wikipedia

    en.wikipedia.org/wiki/Public_key_infrastructure

    Public key infrastructure. A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. The purpose of a PKI is to facilitate the secure electronic transfer of information for a range of network ...

  6. Smart Traveler Enrollment Program - Wikipedia

    en.wikipedia.org/wiki/Smart_Traveler_Enrollment...

    Smart Traveler Enrollment Program. The Smart Traveler Enrollment Program (STEP) is a service provided by the U.S. Department of State for U.S. citizens and nationals traveling and living abroad to enroll their trip with the nearest U.S. embassy or consulate. [1][2][3]

  7. 2-Step Verification with a Security Key - AOL Help

    help.aol.com/articles/2-step-verification-with-a...

    When you get your Security Key back or get a new key, you can re-enable 2-Step Verification in your. Still need help? Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it.

  8. 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!

  9. Pretty Good Privacy - Wikipedia

    en.wikipedia.org/wiki/Pretty_Good_Privacy

    A level 2 signature is highly analogous to the trust assumption users must rely on whenever they use the default certificate authority list (like those included in web browsers); it allows the owner of the key to make other keys certificate authorities. PGP versions have always included a way to cancel ('revoke') public key certificates. A lost ...