mirror of
https://github.com/biergaizi/codecrypt
synced 2024-06-28 18:03:36 +00:00
3659cc837e
This one is especially cool. It is code based (yeyeye matches the project name! :D ), it is provably secure (not like the others!) AAAND is still quite fast (not fast as chacha though).
29 lines
470 B
C
29 lines
470 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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int main (int argc, char**argv)
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{
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int param;
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char *output;
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mp_exp_t exp;
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mpf_t sqrt;
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if (argc < 2 ||
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1 != sscanf (argv[1], "%d", ¶m) ||
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param < 2) return 1;
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mpf_set_default_prec (100000);
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mpf_init (sqrt);
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mpf_sqrt_ui (sqrt, param);
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output = mpf_get_str (NULL, &exp, 16, 0, sqrt);
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printf ("%.*s.%s\n", (int) exp, output, output + exp);
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free (output);
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mpf_clear (sqrt);
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return 0;
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}
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