dssenh: Implement CPGenRandom.

dlls/dssenh/dssenh.spec

@@ -9,7 +9,7 @@
 @ stub CPEncrypt
 @ stdcall CPExportKey(ptr ptr ptr long long ptr ptr)
 @ stdcall CPGenKey(ptr long long ptr)
-@ stub CPGenRandom
+@ stdcall CPGenRandom(ptr long ptr)
 @ stdcall CPGetHashParam(ptr ptr long ptr ptr long)
 @ stub CPGetKeyParam
 @ stdcall CPGetProvParam(ptr long ptr ptr long)

dlls/dssenh/main.c

@@ -27,6 +27,7 @@
 #include "bcrypt.h"
 #include "objbase.h"
 #include "rpcproxy.h"
+#include "ntsecapi.h"
 
 #include "wine/debug.h"
 #include "wine/heap.h"
@@ -498,6 +499,17 @@ BOOL WINAPI CPDuplicateKey( HCRYPTPROV hprov, HCRYPTKEY hkey, DWORD *reserved, D
     return TRUE;
 }
 
+BOOL WINAPI CPGenRandom( HCRYPTPROV hprov, DWORD len, BYTE *buffer )
+{
+    struct container *container = (struct container *)hprov;
+
+    TRACE( "%p, %u, %p\n", (void *)hprov, len, buffer );
+
+    if (container->magic != MAGIC_CONTAINER) return FALSE;
+
+    return RtlGenRandom( buffer, len );
+}
+
 static struct hash *create_hash( ALG_ID algid )
 {
     struct hash *ret;