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Raw I/O of elliptic curve points and group elements.
[u/mdw/catacomb]
/
strongprime.c
diff --git
a/strongprime.c
b/strongprime.c
index
a5f6052
..
019691f
100644
(file)
--- a/
strongprime.c
+++ b/
strongprime.c
@@
-1,6
+1,6
@@
/* -*-c-*-
*
/* -*-c-*-
*
- * $Id: strongprime.c,v 1.
2 2000/02/12 18:21:03
mdw Exp $
+ * $Id: strongprime.c,v 1.
4 2000/07/01 11:24:52
mdw Exp $
*
* Generate `strong' prime numbers
*
*
* Generate `strong' prime numbers
*
@@
-30,6
+30,12
@@
/*----- Revision history --------------------------------------------------*
*
* $Log: strongprime.c,v $
/*----- Revision history --------------------------------------------------*
*
* $Log: strongprime.c,v $
+ * Revision 1.4 2000/07/01 11:24:52 mdw
+ * Remove old debugging code.
+ *
+ * Revision 1.3 2000/06/17 12:10:09 mdw
+ * Add some argument checking. Use MP secure memory interface.
+ *
* Revision 1.2 2000/02/12 18:21:03 mdw
* Overhaul of key management (again).
*
* Revision 1.2 2000/02/12 18:21:03 mdw
* Overhaul of key management (again).
*
@@
-95,22
+101,21
@@
mp *strongprime_setup(const char *name, mp *d, pfilt *f, unsigned nbits,
/* --- Choose two primes %$s$% and %$t$% of half the required size --- */
/* --- Choose two primes %$s$% and %$t$% of half the required size --- */
+ assert(((void)"nbits too small in strongprime_setup", nbits/2 > BITSLOP));
nbits = nbits/2 - BITSLOP;
c.step = 1;
rr = mprand(rr, nbits, r, 1);
DRESET(&dn); dstr_putf(&dn, "%s [s]", name);
nbits = nbits/2 - BITSLOP;
c.step = 1;
rr = mprand(rr, nbits, r, 1);
DRESET(&dn); dstr_putf(&dn, "%s [s]", name);
- if ((s = pgen(dn.buf, MP_NEW, rr, event, ectx, n, pgen_filter, &c,
+ if ((s = pgen(dn.buf, MP_NEW
SEC
, rr, event, ectx, n, pgen_filter, &c,
rabin_iters(nbits), pgen_test, &rb)) == 0)
goto fail_s;
rabin_iters(nbits), pgen_test, &rb)) == 0)
goto fail_s;
- mp_burn(s);
rr = mprand(rr, nbits, r, 1);
DRESET(&dn); dstr_putf(&dn, "%s [t]", name);
rr = mprand(rr, nbits, r, 1);
DRESET(&dn); dstr_putf(&dn, "%s [t]", name);
- if ((t = pgen(dn.buf, MP_NEW, rr, event, ectx, n, pgen_filter, &c,
+ if ((t = pgen(dn.buf, MP_NEW
SEC
, rr, event, ectx, n, pgen_filter, &c,
rabin_iters(nbits), pgen_test, &rb)) == 0)
goto fail_t;
rabin_iters(nbits), pgen_test, &rb)) == 0)
goto fail_t;
- mp_burn(t);
/* --- Choose a suitable value for %$r = 2it + 1$% for some %$i$% --- */
/* --- Choose a suitable value for %$r = 2it + 1$% for some %$i$% --- */
@@
-158,12
+163,6
@@
mp *strongprime_setup(const char *name, mp *d, pfilt *f, unsigned nbits,
/* --- Return the result --- */
/* --- Return the result --- */
-#if 0
-fputs("r = ", stdout); mp_writefile(q, stdout, 10); putchar('\n');
-fputs("s = ", stdout); mp_writefile(s, stdout, 10); putchar('\n');
-fputs("t = ", stdout); mp_writefile(t, stdout, 10); putchar('\n');
-#endif
-
mp_drop(q);
mp_drop(t);
mp_drop(s);
mp_drop(q);
mp_drop(t);
mp_drop(s);