1 files changed, 30 insertions, 10 deletions
diff --git a/NetworkPkg/Include/Library/NetLib.h b/NetworkPkg/Include/Library/NetLib.h
index 8c0e62b388..e8108b79db 100644
--- a/NetworkPkg/Include/Library/NetLib.h
+++ b/NetworkPkg/Include/Library/NetLib.h
@@ -3,6 +3,7 @@
   It provides basic functions for the UEFI network stack.
 
 Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) Microsoft Corporation
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -539,8 +540,6 @@ extern EFI_IPv4_ADDRESS  mZeroIp4Addr;
 #define TICKS_PER_MS      10000U
 #define TICKS_PER_SECOND  10000000U
 
-#define NET_RANDOM(Seed)  ((UINT32) ((UINT32) (Seed) * 1103515245UL + 12345) % 4294967295UL)
-
 /**
   Extract a UINT32 from a byte stream.
 
@@ -580,19 +579,40 @@ NetPutUint32 (
   );
 
 /**
-  Initialize a random seed using current time and monotonic count.
+  Generate a Random output data given a length.
 
-  Get current time and monotonic count first. Then initialize a random seed
-  based on some basic mathematics operation on the hour, day, minute, second,
-  nanosecond and year of the current time and the monotonic count value.
+  @param[out] Output - The buffer to store the generated random data.
+  @param[in] OutputLength - The length of the output buffer.
 
-  @return The random seed initialized with current time.
+  @retval EFI_SUCCESS           On Success
+  @retval EFI_INVALID_PARAMETER Pointer is null or size is zero
+  @retval EFI_NOT_FOUND         RNG protocol not found
+  @retval Others                Error from RngProtocol->GetRNG()
 
+  @return Status code
 **/
-UINT32
+EFI_STATUS
 EFIAPI
-NetRandomInitSeed (
-  VOID
+PseudoRandom (
+  OUT  VOID   *Output,
+  IN   UINTN  OutputLength
+  );
+
+/**
+  Generate a 32-bit pseudo-random number.
+
+  @param[out] Output - The buffer to store the generated random number.
+
+  @retval EFI_SUCCESS           On Success
+  @retval EFI_NOT_FOUND         RNG protocol not found
+  @retval Others                Error from RngProtocol->GetRNG()
+
+  @return Status code
+**/
+EFI_STATUS
+EFIAPI
+PseudoRandomU32 (
+  OUT  UINT32  *Output
   );
 
 #define NET_LIST_USER_STRUCT(Entry, Type, Field)        \