![]() ![]() Alternatively, you can create your own self-signed certificate. The CA verifies the certificate request and your identity, and then sends back a certificate for your secure server. To set up a secure server using public-key cryptography, in most cases, you send your certificate request (including your public key), proof of your company’s identity, and payment to a CA. A CA is a trusted third party that has confirmed that the information contained in the certificate is accurate. ![]() Certificates can be digitally signed by a Certification Authority, or CA. This allows a way to encrypt traffic using a protocol that does not itself provide encryption.Ī certificate is a method used to distribute a public key and other information about a server and the organization who is responsible for it. One example: configuring Apache to provide HTTPS, the HTTP protocol over SSL/TLS. The information can then only be decrypted using the private key.Ī common use for public-key cryptography is encrypting application traffic using a Secure Socket Layer (SSL) or Transport Layer Security (TLS) connection. ![]() The system works by encrypting information using the public key. Public-key cryptography utilizes a public key and a private key. One of the most common forms of cryptography today is public-key cryptography.
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