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Question

Encryption algorithms used for sending documents via email

asked on February 13, 2017

What encryption algorithms is used for sending documents (protected with password) via email?

 

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Answer

SELECTED ANSWER
replied on February 14, 2017

When emailing as a zip, standard zip 2.0 encryption is used (the algorithm is called ZipCrypto deflate). When emailing document pages as a pdf, standard pdf encryption is used (i believe this uses RC4). Neither of these are particularly strong encryption.

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replied on February 14, 2017

Thanks Robert for confirming.

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