1 files changed, 57 insertions, 0 deletions
diff --git a/src/lib/crypto/nss/prng.c b/src/lib/crypto/nss/prng.c
new file mode 100644
index 000000000..61039171b
--- /dev/null
+++ b/src/lib/crypto/nss/prng.c
@@ -0,0 +1,57 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* lib/crypto/nss/prng.c - NSS prng functions */
+/*
+ * Copyright (C) 2011 by the Massachusetts Institute of Technology.
+ * All rights reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ */
+
+#include "k5-int.h"
+#include "nss_gen.h"
+#include "nss_prng.h"
+#include <pk11pub.h>
+
+krb5_error_code
+k5_nss_prng_add_entropy(krb5_context context, const krb5_data *indata)
+{
+    krb5_error_code ret;
+
+    ret = k5_nss_init();
+    if (ret)
+        return ret;
+    if (PK11_RandomUpdate(indata->data, indata->length) != SECSuccess)
+        return k5_nss_map_last_error();
+    return 0;
+}
+
+krb5_error_code
+k5_nss_prng_make_octets(krb5_context context, krb5_data *outdata)
+{
+    krb5_error_code ret;
+
+    ret = k5_nss_init();
+    if (ret)
+        return ret;
+    if (PK11_GenerateRandom((unsigned char *)outdata->data,
+                            outdata->length) != SECSuccess)
+        return k5_nss_map_last_error();
+    return 0;
+}