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Non-blocksize IV #11

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singpolyma opened this Issue January 02, 2013 · 2 comments

2 participants

Stephen Paul Weber Thomas M. DuBuisson
Stephen Paul Weber

For secret keys encryption in OpenPGP, the IV provided is always 8 octets. The spec just says "use CFB mode with the 8-octet IV". I've tried padding either size with 0's to make unCfb accept it, but that doesn't seem to work. What's the right way to do this?

Stephen Paul Weber

Nevermind. I must have had too much sleepdep. That's not what the spec says at all.

Stephen Paul Weber singpolyma closed this January 03, 2013
Thomas M. DuBuisson
Owner

OK, thanks for closing the loop. I had a vague intention of looking into this, but since it was counter to my mental definition of CFB mode I wasn't moving quickly.

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