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    Cryptography agherzan/yubikey-full-disk-encryption: Use YubiKey to unlock a LUKS partition

    May 28, 2018

    Cryptography agherzan/yubikey-full-disk-encryption: Use YubiKey to unlock a LUKS partition

    agherzan/yubikey-full-disk-encryption: Use YubiKey to unlock a LUKS partition

    Posted: 27 May 2018 08:58 AM PDT

    WikiHow claims that this is a block cipher, but a different cipher appears when I search that up. Does anyone know the exact name for this type of cipher?

    Posted: 27 May 2018 12:28 PM PDT

    TOTP intermittently does not return the same code when generated within the same time step

    Posted: 27 May 2018 10:11 AM PDT

    So we have the need for using a TOTP to generate a code on the server to send to a mobile client, I have been testing code generation with the following 3 java repos:

    I've taken the core TOTP generating code and I've been testing them. My issue is that I will run the arbitrary mvn unit test where using the default time step of 30 secs, I will generate a token (t0), wait 2 seconds, and generate another token (t1) and sometimes (like 1 of every 10 tries) t0 != t1. I can't figure out why this is and my math-fu is not at the level to fully grasp whether this is expected or whether I am doing something wrong.

    Note that this happens for all the 3 code sources (i haven't changed the code except for providing the secret key) I mentioned above - clearly either i'm doing something wrong or this behavior is possibly expected?!

    submitted by /u/redd_it_again
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