Crypt(1), Again

November 1, 2019

In the previous exercise I tried to write a replacement for the old Unix crypt(1) program, but never did figure out how to enter a password in Chez Scheme. So today I have the program in C.

To answer some questions that came up in the previous exercise: Yes, I know about ccrypt. Yes, I know that I should not rely on any cryptographic code I write. Yes, the original Unix crypt wasn’t very secure, though at least I can claim that my crypt is better now than the Unix crypt was at the time.

You can see my crypt program on the next page.


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