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2. Self-signed certificate - Wikipedia

   en.wikipedia.org/wiki/Self-signed_certificate

   RFC 5280 defines self-signed certificates as "self-issued certificates where the digital signature may be verified by the public key bound into the certificate" [7] whereas a self-issued certificate is a certificate "in which the issuer and subject are the same entity". While in the strict sense the RFC makes this definition only for CA ...

3. 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.

4. Certificate authority - Wikipedia

   en.wikipedia.org/wiki/Certificate_authority

   Certificate authority. In cryptography, a certificate authority or certification authority (CA) is an entity that stores, signs, and issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate. This allows others (relying parties) to rely upon signatures or on assertions ...

5. How AOL uses SSL to protect your account

   help.aol.com/articles/how-aol-uses-ssl-to...

   Credit card security. When you make a purchase on AOL, we'll only finish the transaction if your browser supports SSL. As you enter your credit card number, SSL encodes it so it's transmitted in a format that prevents eavesdropping or data theft. When it's received by our secure server, your credit card number is never transmitted over the ...

6. Certificate signing request - Wikipedia

   en.wikipedia.org/wiki/Certificate_signing_request

   Certificate signing request. In public key infrastructure (PKI) systems, a certificate signing request (CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the ...

7. X.509 - Wikipedia

   en.wikipedia.org/wiki/X.509

   In cryptography, X.509 is an International Telecommunication Union (ITU) standard defining the format of public key certificates. [1] X.509 certificates are used in many Internet protocols, including TLS/SSL, which is the basis for HTTPS, [2] the secure protocol for browsing the web. They are also used in offline applications, like electronic ...

8. Public key certificate - Wikipedia

   en.wikipedia.org/wiki/Public_key_certificate

   Public key certificate. In cryptography, a public key certificate, also known as a digital certificate or identity certificate, is an electronic document used to prove the validity of a public key. [1][2] The certificate includes the public key and information about it, information about the identity of its owner (called the subject), and the ...

9. Extended Validation Certificate - Wikipedia

   en.wikipedia.org/.../Extended_Validation_Certificate

   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 ...