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Definition of "Digital Certification" |
In cryptography, a public key certificate (also known as a Digital certification or identity certificate) is an electronic document that uses a digital signature to bind a public key with an identity information such as the name of a person or an organization, the address, and the email address. The certificate can be used to verify that a public key belongs to an individual. For example an analogy of a digital certificate would be one's driver licence. The issuer would be the vehicle licensing organization, the validity would consist of the expiration date, and the user would be the name of the person to whom the licence was issued. A secure socket layer, or SSL, is used for authenticity of websites, it is roughly symmetric and asymmetric encryption of a digital certificate. A certificate authority, or CA, is a highly trusted third party or organization that issues digital certificates. Commercial CAs charge to issue certificates that will automatically be most trusted by any web browser. An example would be Verisign Corporation who is responsible for many of the digital certificates issued to most companies like Amazon.com. |
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