Drop support for Windows 2000; allow any XP API (but not Vista+).

Drop SDK version configuration for Tk compilation, to not bind it to W2k
anymore. Binding it to XP would conflict with Tk's own binding of tkMenu to W2k.

1 files changed, 3 insertions, 30 deletions

diff --git a/Python/random.c b/Python/random.c
index 53518c2..1ad4c3d 100644
--- a/Python/random.c
+++ b/Python/random.c
@@ -12,13 +12,6 @@ static int _Py_HashSecret_Initialized = 0;
 #endif
 
 #ifdef MS_WINDOWS
-typedef BOOL (WINAPI *CRYPTACQUIRECONTEXTA)(HCRYPTPROV *phProv,\
-              LPCSTR pszContainer, LPCSTR pszProvider, DWORD dwProvType,\
-              DWORD dwFlags );
-typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV hProv, DWORD dwLen,\
-              BYTE *pbBuffer );
-
-static CRYPTGENRANDOM pCryptGenRandom = NULL;
 /* This handle is never explicitly released. Instead, the operating
    system will release it when the process terminates. */
 static HCRYPTPROV hCryptProv = 0;
@@ -26,29 +19,9 @@ static HCRYPTPROV hCryptProv = 0;
 static int
 win32_urandom_init(int raise)
 {
-    HINSTANCE hAdvAPI32 = NULL;
-    CRYPTACQUIRECONTEXTA pCryptAcquireContext = NULL;
-
-    /* Obtain handle to the DLL containing CryptoAPI. This should not fail. */
-    hAdvAPI32 = GetModuleHandle("advapi32.dll");
-    if(hAdvAPI32 == NULL)
-        goto error;
-
-    /* Obtain pointers to the CryptoAPI functions. This will fail on some early
-       versions of Win95. */
-    pCryptAcquireContext = (CRYPTACQUIRECONTEXTA)GetProcAddress(
-                               hAdvAPI32, "CryptAcquireContextA");
-    if (pCryptAcquireContext == NULL)
-        goto error;
-
-    pCryptGenRandom = (CRYPTGENRANDOM)GetProcAddress(hAdvAPI32,
-                                                     "CryptGenRandom");
-    if (pCryptGenRandom == NULL)
-        goto error;
-
     /* Acquire context */
-    if (! pCryptAcquireContext(&hCryptProv, NULL, NULL,
-                               PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
+    if (!CryptAcquireContext(&hCryptProv, NULL, NULL,
+                             PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
         goto error;
 
     return 0;
@@ -77,7 +50,7 @@ win32_urandom(unsigned char *buffer, Py_ssize_t size, int raise)
     while (size > 0)
     {
         chunk = size > INT_MAX ? INT_MAX : size;
-        if (!pCryptGenRandom(hCryptProv, chunk, buffer))
+        if (!CryptGenRandom(hCryptProv, chunk, buffer))
         {
             /* CryptGenRandom() failed */
             if (raise)