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'''Certificate Authority''' is a trusted third party company who issues digital certificates and public-private keys. In order to issue these certificates, a CA first consults with a registration authority ([[RA]]) such as credit card company to check whether the requester's information is legit. Only after the proper verification, the CA can issue a certificate claiming that the organization or the individual is the one who he claims to be. Having a digital certificate on a website proves the owners identity hence developing a trustworthy environment in business.<ref>[http://www.webopedia.com/TERM/C/certification_authority.html WeboPedia]</ref>  

'''Certificate Authority''' is a trusted third party company who issues digital certificates and public-private keys as a part of chosen Public Key Infrastructure ([[PKI]]). In order to issue these certificates, a CA first consults with a registration authority ([[RA]]) such as credit card company to check whether the requester's information is legit. Only after the proper verification, the CA can issue a certificate claiming that the organization or the individual is the one who he claims to be. Having a digital certificate on a website proves the owners identity hence developing a trustworthy environment in business.<ref>[http://www.webopedia.com/TERM/C/certification_authority.html WeboPedia]</ref>  

A certificate includes all the information about the owner including his public key, the expiration date of the certificate.<ref>[http://searchsecurity.techtarget.com/definition/certificate-authority SearchSecurity]</ref>

A certificate includes all the information about the owner including his public key, the expiration date of the certificate.<ref>[http://searchsecurity.techtarget.com/definition/certificate-authority SearchSecurity]</ref>

==Public Key Infrastructure==

==Public Key Infrastructure==

A certificate authority is does not issue certificates only. Its a part of Public Key Infrastructure ([[PKI]]). Basically a PKI issues and manages security certificates, credential verification, and public key encryption assignments. A CA verifies the credentials of the requester through a registration authority ([[RA]]) and as a part of PKI process, a public key is assigned for encryption. As a last step, an [[SSL Certificate]] is issued encrypted with a digital signature to attest the identity of the requester.<ref>[http://www.entrust.com/certification-authority.htm Entrust]</ref>

A certificate authority is does not issue certificates alone. Its a part of Public Key Infrastructure ([[PKI]]). Basically a PKI issues and manages security certificates, credential verification, and public key encryption assignments. A CA verifies the credentials of the requester through a registration authority ([[RA]]) and as a part of PKI process, a public key is assigned for encryption. As a last step, an [[SSL Certificate]] is issued encrypted with a digital signature to attest the identity of the requester.<ref>[http://www.entrust.com/certification-authority.htm Entrust]</ref>

 

==References==

==References==

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