Difference Between PGP and S/MIME


In this post, we will understand the difference between PGH and S/MIME −

PGP

  • It has been designed to process plain text.

  • It is not expensive in comparison to S/MIME.

  • It can be used personally as well as at offices.

  • It is less efficient in comparison to S/MIME.

  • It depends on the key exchange made by the user.

  • It is less convenient in comparison to S/MIME.

  • It contains 4096 public keys.

  • It is considered as the standard for strong encryption.

  • It can be used in VPNs.

  • It uses Diffie-Hellman digital signature.

S/MIME

  • It has been designed to process email and multimedia files.

  • It is relatively expensive.

  • It is used in industrial purposes.

  • It is more efficient in comparison to PGP.

  • It depends on a hierarchical valid certificate for key exchange.

  • It is easy/convenient to use, since it uses secure transformation in all its applications.

  • It contains 1024 public keys.

  • It is also considered as the standard for strong encryption but has certain cons.

  • It is used with email services, not VPNs.

  • It uses Elgamal digital signature.

Updated on: 20-Apr-2021

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