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2 - 1 
#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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main(void)
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{
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	EGpriv *sk;
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	mpint *m, *gamma, *delta, *in, *out;
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	int plen, shift;
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	fmtinstall('B', mpfmt);
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	sk = egprivalloc();
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	sk->pub.p = uitomp(2357, nil);
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	sk->pub.alpha = uitomp(2, nil);
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	sk->pub.key = uitomp(1185, nil);
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	sk->secret = uitomp(1751, nil);
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	m = uitomp(2035, nil);
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	plen = mpsignif(sk->pub.p)+1;
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	shift = ((plen+Dbits-1)/Dbits)*Dbits;
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	gamma = uitomp(1430, nil);
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	delta = uitomp(697, nil);
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	out = mpnew(0);
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	in = mpnew(0);
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	mpleft(gamma, shift, in);
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	mpadd(delta, in, in);
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	egdecrypt(sk, in, out);
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	if(mpcmp(m, out) != 0)
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		print("decrypt failed to recover message\n");
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}