[Cryptography] Real-world crypto/PRNG problem: Bridge

Joshua Marpet joshua.marpet at guardedrisk.com
Mon Aug 22 22:22:55 EDT 2016


Jon,

I must say, I'm shocked! Shocked, I tell you! You were 4 bits off! I... I
just can't even determine the emotional state I'm in right now.

Ok, I'm laughing too hard to continue.  :)

Apology accepted, Jon. Apology accepted.  ROTFLMAO



On Mon, Aug 22, 2016 at 9:17 PM, Jon Callas <jon at callas.org> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Christian Huitema pointed out to me that 0x5DEECE66D is actually 36 bits
> not 32. I used <http://www.binaryhexconverter.com/hex-to-decimal-converter>
> to convert it to 25214903917, and <http://www.bigprimes.net/primalitytest/>
> reported it to be 7 * 3602129131 (in both hex and decimal) which I
> verified with bc. Bigprimes, however, says that 25214903951 (0x5DEECE68F)
> is prime.
>
> I apologize for the error.
>
>         Jon
>
>
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> nkv1Fm+eUJWsmenFbchnMdMKwr9+xkbJa16aDgZXhmrDDYvHcRzmEkMNFt2/h+tC
> DdZdzX+KfPMFdIXI+s6u80QVhEZNGQaMFjnfw/getfVl805UPZ6XhjoEU/uh2hHe
> /A13XdAnj1MYIT+jgdFW+pooFnamGknoDExWRQwuI/fNZ+UHg2NtNrEfACKw9TVX
> /c8L/7fJr5tPARyOI7KVHjIGI09dUklBo1RjplfWdAei9Xv6juX2Tqiciubsv4Dj
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> =HXsA
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