Is GPG/OpenPGP really Better than Zip ? I attended a local conference yesterday (2019-03-29) and during one of the talks a senior analyst from one of the world’s first CERT said that the preference was to use GPG for symmetric key encryption of files to transfer confidential information to their clients over zip. The reason presented was that zip did not provide the desired level of confidentiality and integrity. This comment got me thinking as I had thought that zip used AES for encryption, so now I am awake at 0100hrs in the morning and curious to understand the encryption used in zip.
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