1 files changed, 65 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/secrng.h b/security/nss/lib/freebl/secrng.h
new file mode 100644
index 0000000000..19eae48331
--- /dev/null
+++ b/security/nss/lib/freebl/secrng.h
@@ -0,0 +1,65 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _SECRNG_H_
+#define _SECRNG_H_
+/*
+ * secrng.h - public data structures and prototypes for the secure random
+ *	      number generator
+ */
+
+/******************************************/
+/*
+** Random number generation. A cryptographically strong random number
+** generator.
+*/
+
+#include "blapi.h"
+
+/* the number of bytes to read from the system random number generator */
+#define SYSTEM_RNG_SEED_COUNT 1024
+
+SEC_BEGIN_PROTOS
+
+/*
+** The following functions are provided by the security library
+** but are differently implemented for the UNIX, Win, and OS/2
+** versions
+*/
+
+/*
+** Get the "noisiest" information available on the system.
+** The amount of data returned depends on the system implementation.
+** It will not exceed maxbytes, but may be (much) less.
+** Returns number of noise bytes copied into buf, or zero if error.
+*/
+extern size_t RNG_GetNoise(void *buf, size_t maxbytes);
+
+/*
+** RNG_SystemInfoForRNG should be called before any use of SSL. It
+** gathers up the system specific information to help seed the
+** state of the global random number generator.
+*/
+extern void RNG_SystemInfoForRNG(void);
+
+/*
+** Use the contents (and stat) of a file to help seed the
+** global random number generator.
+*/
+extern void RNG_FileForRNG(const char *filename);
+
+/*
+** Get maxbytes bytes of random data from the system random number
+** generator.
+** Returns the number of bytes copied into buf -- maxbytes if success
+** or zero if error.
+** Errors:
+**   PR_NOT_IMPLEMENTED_ERROR   There is no system RNG on the platform.
+**   SEC_ERROR_NEED_RANDOM      The system RNG failed.
+*/
+extern size_t RNG_SystemRNG(void *buf, size_t maxbytes);
+
+SEC_END_PROTOS
+
+#endif /* _SECRNG_H_ */