first usable version of kernel and commands

After an year of hard work, this is a first "usable" version of Jehanne.

sys/src/lib/sec/port/egalloc.c

@@ -0,0 +1,70 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+EGpub*
+egpuballoc(void)
+{
+	EGpub *eg;
+
+	eg = mallocz(sizeof(*eg), 1);
+	if(eg == nil)
+		sysfatal("egpuballoc");
+	return eg;
+}
+
+void
+egpubfree(EGpub *eg)
+{
+	if(eg == nil)
+		return;
+	mpfree(eg->p);
+	mpfree(eg->alpha);
+	mpfree(eg->key);
+	free(eg);
+}
+
+
+EGpriv*
+egprivalloc(void)
+{
+	EGpriv *eg;
+
+	eg = mallocz(sizeof(*eg), 1);
+	if(eg == nil)
+		sysfatal("egprivalloc");
+	return eg;
+}
+
+void
+egprivfree(EGpriv *eg)
+{
+	if(eg == nil)
+		return;
+	mpfree(eg->pub.p);
+	mpfree(eg->pub.alpha);
+	mpfree(eg->pub.key);
+	mpfree(eg->secret);
+	free(eg);
+}
+
+EGsig*
+egsigalloc(void)
+{
+	EGsig *eg;
+
+	eg = mallocz(sizeof(*eg), 1);
+	if(eg == nil)
+		sysfatal("egsigalloc");
+	return eg;
+}
+
+void
+egsigfree(EGsig *eg)
+{
+	if(eg == nil)
+		return;
+	mpfree(eg->r);
+	mpfree(eg->s);
+	free(eg);
+}