removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 38 deletions

diff --git a/sys/src/cmd/unix/drawterm/libsec/egencrypt.c b/sys/src/cmd/unix/drawterm/libsec/egencrypt.c
deleted file mode 100644
index 9b6b12c6c..000000000
--- a/sys/src/cmd/unix/drawterm/libsec/egencrypt.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include "os.h"
-#include <mp.h>
-#include <libsec.h>
-
-mpint*
-egencrypt(EGpub *pub, mpint *in, mpint *out)
-{
-	mpint *m, *k, *gamma, *delta, *pm1;
-	mpint *p = pub->p, *alpha = pub->alpha;
-	int plen = mpsignif(p);
-	int shift = ((plen+Dbits)/Dbits)*Dbits;
-	// in libcrypt version, (int)(LENGTH(pub->p)*sizeof(NumType)*CHARBITS);
-
-	if(out == nil)
-		out = mpnew(0);
-	pm1 = mpnew(0);
-	m = mpnew(0);
-	gamma = mpnew(0);
-	delta = mpnew(0);
-	mpmod(in, p, m);
-	while(1){
-		k = mprand(plen, genrandom, nil);
-		if((mpcmp(mpone, k) <= 0) && (mpcmp(k, pm1) < 0))
-			break;
-	}
-	mpexp(alpha, k, p, gamma);
-	mpexp(pub->key, k, p, delta);
-	mpmul(m, delta, delta);
-	mpmod(delta, p, delta);
-	mpleft(gamma, shift, out);
-	mpadd(delta, out, out);
-	mpfree(pm1);
-	mpfree(m);
-	mpfree(k);
-	mpfree(gamma);
-	mpfree(delta);
-	return out;
-}