55 lines
813 B
C
55 lines
813 B
C
#include "os.h"
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#include <mp.h>
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#include <libsec.h>
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void
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testcrt(mpint **p)
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{
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CRTpre *crt;
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CRTres *res;
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mpint *m, *x, *y;
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int i;
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fmtinstall('B', mpconv);
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// get a modulus and a test number
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m = mpnew(1024+160);
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mpmul(p[0], p[1], m);
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x = mpnew(1024+160);
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mpadd(m, mpone, x);
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// do the precomputation for crt conversion
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crt = crtpre(2, p);
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// convert x to residues
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res = crtin(crt, x);
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// convert back
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y = mpnew(1024+160);
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crtout(crt, res, y);
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print("x %B\ny %B\n", x, y);
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mpfree(m);
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mpfree(x);
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mpfree(y);
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}
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void
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main(void)
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{
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int i;
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mpint *p[2];
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long start;
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start = time(0);
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for(i = 0; i < 10; i++){
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p[0] = mpnew(1024);
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p[1] = mpnew(1024);
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DSAprimes(p[0], p[1], nil);
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testcrt(p);
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mpfree(p[0]);
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mpfree(p[1]);
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}
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print("%d secs with more\n", time(0)-start);
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exits(0);
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}
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