Understanding Digital Certificates Part 1

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Uploaded by on Jun 13, 2010

CompTIA Study Guide for Digital Certificates, Digital Signatures and PKI

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Uploader Comments (2arprodlim3)

  • At about 7:00 in this presentation, it clearly says that the public key is always used for encryption only. However, another presentation (video BphO_ncnLPg) says that the encrypted hash digest of a certificate is decrypted using the CA's public key to then compare the digest with the digest the receiver computes on the certificate to verify it. So which is correct?

  • @tntmnm00

    When I created this I was using the CompTIA definition which has changed since their newer exam came out. Previously CompTIA always said that the public key was only used for encryption and the private key was only used for decryption. That was their test world. Reality is that either can be used tor encryption or decryption. The newer CompTIA Security+ exam has embraced reality.

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  • Thank you very-very-very much! :)

  • Able to understanding the process better

  • Thank you. This is easy to understand and really useful.

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