20060303a

1 files changed, 21 insertions, 0 deletions

diff --git a/libsec/port/eggen.c b/libsec/port/eggen.c
new file mode 100644
index 00000000..9ea7d998
--- /dev/null
+++ b/libsec/port/eggen.c
@@ -0,0 +1,21 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+EGpriv*
+eggen(int nlen, int rounds)
+{
+	EGpub *pub;
+	EGpriv *priv;
+
+	priv = egprivalloc();
+	pub = &priv->pub;
+	pub->p = mpnew(0);
+	pub->alpha = mpnew(0);
+	pub->key = mpnew(0);
+	priv->secret = mpnew(0);
+	gensafeprime(pub->p, pub->alpha, nlen, rounds);
+	mprand(nlen-1, genrandom, priv->secret);
+	mpexp(pub->alpha, priv->secret, pub->p, pub->key);
+	return priv;
+}