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Decryption of client-side encrypted Texts in Evernote notes (OLD encryption RC2 64 Bit) #632

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MichaelHeydukFraba opened this issue Apr 26, 2024 · 0 comments

MichaelHeydukFraba commented Apr 26, 2024

This is a follow-up issue to my reported issue from 2023-11-01.

Thank you for the fix - some encrypted texts are now correctly decrypted.

But Evernote used TWO different encryption algorithms over the years.

Old one: RC2 encryption with 64 bit key
New one (since a few years): AES encryption with 128 bit key

The new AES texts get decrypted now (thanks to your bugfix in 01/2024).
But the old encrypted texts get NOT yet decrypted.

Would be very cool, if you could fix it.
Thanks a lot.

Michael

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