Delete bundled copy of NSS and replace with README.

nss/lib/freebl/win_rand.c

Index: nss/lib/freebl/win_rand.c
diff --git a/nss/lib/freebl/win_rand.c b/nss/lib/freebl/win_rand.c
deleted file mode 100644
index 2918d58cde24bed3b70e0c0ca60b514eeee3bde8..0000000000000000000000000000000000000000
--- a/nss/lib/freebl/win_rand.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* 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/. */
-
-#include "secrng.h"
-
-#ifdef XP_WIN
-#include <windows.h>
-#include <time.h>
-
-static BOOL
-CurrentClockTickTime(LPDWORD lpdwHigh, LPDWORD lpdwLow)
-{
-    LARGE_INTEGER   liCount;
-
-    if (!QueryPerformanceCounter(&liCount))
-        return FALSE;
-
-    *lpdwHigh = liCount.u.HighPart;
-    *lpdwLow = liCount.u.LowPart;
-    return TRUE;
-}
-
-size_t RNG_GetNoise(void *buf, size_t maxbuf)
-{
-    DWORD   dwHigh, dwLow, dwVal;
-    int     n = 0;
-    int     nBytes;
-    time_t  sTime;
-
-    if (maxbuf <= 0)
-        return 0;
-
-    CurrentClockTickTime(&dwHigh, &dwLow);
-
-    // get the maximally changing bits first
-    nBytes = sizeof(dwLow) > maxbuf ? maxbuf : sizeof(dwLow);
-    memcpy((char *)buf, &dwLow, nBytes);
-    n += nBytes;
-    maxbuf -= nBytes;
-
-    if (maxbuf <= 0)
-        return n;
-
-    nBytes = sizeof(dwHigh) > maxbuf ? maxbuf : sizeof(dwHigh);
-    memcpy(((char *)buf) + n, &dwHigh, nBytes);
-    n += nBytes;
-    maxbuf -= nBytes;
-
-    if (maxbuf <= 0)
-        return n;
-
-    // get the number of milliseconds that have elapsed since Windows started
-    dwVal = GetTickCount();
-
-    nBytes = sizeof(dwVal) > maxbuf ? maxbuf : sizeof(dwVal);
-    memcpy(((char *)buf) + n, &dwVal, nBytes);
-    n += nBytes;
-    maxbuf -= nBytes;
-
-    if (maxbuf <= 0)
-        return n;
-
-    // get the time in seconds since midnight Jan 1, 1970
-    time(&sTime);
-    nBytes = sizeof(sTime) > maxbuf ? maxbuf : sizeof(sTime);
-    memcpy(((char *)buf) + n, &sTime, nBytes);
-    n += nBytes;
-
-    return n;
-}
-
-void RNG_SystemInfoForRNG(void)
-{
-    DWORD           dwVal;
-    char            buffer[256];
-    int             nBytes;
-    MEMORYSTATUS    sMem;
-    HANDLE          hVal;
-    DWORD           dwSerialNum;
-    DWORD           dwComponentLen;
-    DWORD           dwSysFlags;
-    char            volName[128];
-    DWORD           dwSectors, dwBytes, dwFreeClusters, dwNumClusters;
-
-    nBytes = RNG_GetNoise(buffer, 20);  // get up to 20 bytes
-    RNG_RandomUpdate(buffer, nBytes);
-
-    sMem.dwLength = sizeof(sMem);
-    GlobalMemoryStatus(&sMem);                // assorted memory stats
-    RNG_RandomUpdate(&sMem, sizeof(sMem));
-
-    dwVal = GetLogicalDrives();
-    RNG_RandomUpdate(&dwVal, sizeof(dwVal));  // bitfields in bits 0-25
-
-    dwVal = sizeof(buffer);
-    if (GetComputerName(buffer, &dwVal))
-        RNG_RandomUpdate(buffer, dwVal);
-
-    hVal = GetCurrentProcess();               // 4 or 8 byte pseudo handle (a
-                                              // constant!) of current process
-    RNG_RandomUpdate(&hVal, sizeof(hVal));
-
-    dwVal = GetCurrentProcessId();            // process ID (4 bytes)
-    RNG_RandomUpdate(&dwVal, sizeof(dwVal));
-
-    dwVal = GetCurrentThreadId();             // thread ID (4 bytes)
-    RNG_RandomUpdate(&dwVal, sizeof(dwVal));
-
-    volName[0] = '\0';
-    buffer[0] = '\0';
-    GetVolumeInformation(NULL,
-                         volName,
-                         sizeof(volName),
-                         &dwSerialNum,
-                         &dwComponentLen,
-                         &dwSysFlags,
-                         buffer,
-                         sizeof(buffer));
-
-    RNG_RandomUpdate(volName,         strlen(volName));
-    RNG_RandomUpdate(&dwSerialNum,    sizeof(dwSerialNum));
-    RNG_RandomUpdate(&dwComponentLen, sizeof(dwComponentLen));
-    RNG_RandomUpdate(&dwSysFlags,     sizeof(dwSysFlags));
-    RNG_RandomUpdate(buffer,          strlen(buffer));
-
-    if (GetDiskFreeSpace(NULL, &dwSectors, &dwBytes, &dwFreeClusters, 
-                         &dwNumClusters)) {
-        RNG_RandomUpdate(&dwSectors,      sizeof(dwSectors));
-        RNG_RandomUpdate(&dwBytes,        sizeof(dwBytes));
-        RNG_RandomUpdate(&dwFreeClusters, sizeof(dwFreeClusters));
-        RNG_RandomUpdate(&dwNumClusters,  sizeof(dwNumClusters));
-    }
-
-    nBytes = RNG_GetNoise(buffer, 20);  // get up to 20 bytes
-    RNG_RandomUpdate(buffer, nBytes);
-}
-
-
-/*
- * The RtlGenRandom function is declared in <ntsecapi.h>, but the
- * declaration is missing a calling convention specifier. So we
- * declare it manually here.
- */
-#define RtlGenRandom SystemFunction036
-DECLSPEC_IMPORT BOOLEAN WINAPI RtlGenRandom(
-    PVOID RandomBuffer,
-    ULONG RandomBufferLength);
-
-size_t RNG_SystemRNG(void *dest, size_t maxLen)
-{
-    size_t bytes = 0;
-
-    if (RtlGenRandom(dest, maxLen)) {
-	bytes = maxLen;
-    }
-    return bytes;
-}
-#endif  /* is XP_WIN */