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  2. Let's Encrypt - Wikipedia

    en.wikipedia.org/wiki/Let's_Encrypt

    Let's Encrypt is a non-profit certificate authority run by Internet Security Research Group (ISRG) that provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. It is the world's largest certificate authority, [ 3 ] used by more than 400 million websites , [ 4 ] with the goal of all websites being secure and using ...

  3. Certificate authority - Wikipedia

    en.wikipedia.org/wiki/Certificate_authority

    Worldwide, the certificate authority business is fragmented, with national or regional providers dominating their home market. This is because many uses of digital certificates, such as for legally binding digital signatures, are linked to local law, regulations, and accreditation schemes for certificate authorities.

  4. OpenSSL - Wikipedia

    en.wikipedia.org/wiki/OpenSSL

    OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end. It is widely used by Internet servers, including the majority of HTTPS websites.

  5. HTTPS - Wikipedia

    https://en.wikipedia.org/wiki/HTTPS

    To prepare a web server to accept HTTPS connections, the administrator must create a public key certificate for the web server. This certificate must be signed by a trusted certificate authority for the web browser to accept it without warning. The authority certifies that the certificate holder is the operator of the web server that presents it.

  6. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_certificate

    This is an example of a decoded SSL/TLS certificate retrieved from SSL.com's website. The issuer's common name (CN) is shown as SSL.com EV SSL Intermediate CA RSA R3, identifying this as an Extended Validation (EV) certificate. Validated information about the website's owner (SSL Corp) is located in the Subject field.

  7. Fix security certificate error messages in Internet Explorer

    help.aol.com/articles/message-the-security...

    Seeing security certificate errors when visiting certain websites? Learn how to remedy this issue in Internet Explorer. AOL APP. News / Email / Weather / Video. GET.

  8. Qualified website authentication certificate - Wikipedia

    en.wikipedia.org/wiki/Qualified_website...

    The location where the certificate supporting the advanced electronic signature or advanced electronic seal referred to in point 8 is available free of charge. The location of the certificate validity status services that can be used to enquire as to the validity status of the qualified certificate.

  9. 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!