1 files changed, 38 insertions, 0 deletions
diff --git a/random128/random128binary.c b/random128/random128binary.c
new file mode 100644
index 0000000..e59218c
--- /dev/null
+++ b/random128/random128binary.c
@@ -0,0 +1,38 @@
+/*
+** Copyright 2002 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#if	HAVE_CONFIG_H
+#include	"config.h"
+#endif
+
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+#include	<ctype.h>
+#include	<string.h>
+#include	"random128.h"
+
+
+static int nyb(char c)
+{
+	static const char xdigit[]="0123456789ABCDEF";
+
+	const char *p=strchr(xdigit, c);
+
+	if (p)
+		return (p-xdigit);
+	return 0;
+}
+
+void random128_binary(random128binbuf *bytes)
+{
+	char randombuf[ 128 / 8 * 2 + 1];
+	int i;
+
+	strcpy(randombuf, random128());
+
+	for (i=0; i<128/8; i++)
+		(*bytes)[i]=(nyb(randombuf[i*2]) << 4) | nyb(randombuf[i*2+1]);
+}