Import sources from 2011-03-30 iso image

1 files changed, 60 insertions, 0 deletions

diff --git a/sys/src/cmd/auth/rsagen.c b/sys/src/cmd/auth/rsagen.c
new file mode 100755
index 000000000..d05f562ef
--- /dev/null
+++ b/sys/src/cmd/auth/rsagen.c
@@ -0,0 +1,60 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+void
+usage(void)
+{
+	fprint(2, "usage: auth/rsagen [-b bits] [-t 'attr=value attr=value ...']\n");
+	exits("usage");
+}
+
+void
+main(int argc, char **argv)
+{
+	char *s;
+	int bits;
+	char *tag;
+	RSApriv *key;
+
+	bits = 1024;
+	tag = nil;
+	key = nil;
+	fmtinstall('B', mpfmt);
+
+	ARGBEGIN{
+	case 'b':
+		bits = atoi(EARGF(usage()));
+		if(bits == 0)
+			usage();
+		break;
+	case 't':
+		tag = EARGF(usage());
+		break;
+	default:
+		usage();
+	}ARGEND
+
+	if(argc != 0)
+		usage();
+
+	do{
+		if(key)
+			rsaprivfree(key);
+		key = rsagen(bits, 6, 0);
+	}while(mpsignif(key->pub.n) != bits);
+
+	s = smprint("key proto=rsa %s%ssize=%d ek=%B !dk=%B n=%B !p=%B !q=%B !kp=%B !kq=%B !c2=%B\n",
+		tag ? tag : "", tag ? " " : "",
+		mpsignif(key->pub.n), key->pub.ek,
+		key->dk, key->pub.n, key->p, key->q,
+		key->kp, key->kq, key->c2);
+	if(s == nil)
+		sysfatal("smprint: %r");
+
+	if(write(1, s, strlen(s)) != strlen(s))
+		sysfatal("write: %r");
+	
+	exits(nil);
+}