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1 point by akkartik 4182 days ago | link | parent

"I think they will not break their own code, as news.arc is inside of Arc, not outside."

But then how would they ever migrate beyond sha1? Would the hundred-year language save passwords in a way that gets more insecure every year?

I think arc's default assumption is that there's no difference between 'inside' and 'outside'. And this is how lisp used to be.



2 points by dram 4182 days ago | link

Another method would be hash sha1 hashed values directly, like:

  (sha512 (+ (sha1 pw) user-salt site-salt))
Anyway, existing passwords still need to be migrated manually.

BTW, for security, it is also unsecure to pass unhashed passwords around network, unless use https.

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1 point by akkartik 4181 days ago | link

"BTW, for security, it is also unsecure to pass unhashed passwords around network, unless use https."

Yes. Though you can get that with apache or nginx.

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