--- zzzz-none-000/linux-2.6.19.2/drivers/char/random.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/drivers/char/random.c	2007-01-19 14:42:56.000000000 +0000
@@ -248,8 +248,13 @@
 /*
  * Configuration information
  */
+#ifdef CONFIG_GRKERNSEC_RANDNET
+#define INPUT_POOL_WORDS 512
+#define OUTPUT_POOL_WORDS 128
+#else
 #define INPUT_POOL_WORDS 128
 #define OUTPUT_POOL_WORDS 32
+#endif
 #define SEC_XFER_SIZE 512
 
 /*
@@ -286,10 +291,17 @@
 	int poolwords;
 	int tap1, tap2, tap3, tap4, tap5;
 } poolinfo_table[] = {
+#ifdef CONFIG_GRKERNSEC_RANDNET
+	/* x^512 + x^411 + x^308 + x^208 +x^104 + x + 1 -- 225 */
+	{ 512,	411,	308,	208,	104,	1 },
+	/* x^128 + x^103 + x^76 + x^51 + x^25 + x + 1 -- 105 */
+	{ 128,	103,	76,	51,	25,	1 },
+#else
 	/* x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 -- 105 */
 	{ 128,	103,	76,	51,	25,	1 },
 	/* x^32 + x^26 + x^20 + x^14 + x^7 + x + 1 -- 15 */
 	{ 32,	26,	20,	14,	7,	1 },
+#endif
 #if 0
 	/* x^2048 + x^1638 + x^1231 + x^819 + x^411 + x + 1  -- 115 */
 	{ 2048,	1638,	1231,	819,	411,	1 },
@@ -1662,3 +1674,25 @@
 		return 0;
 	return PAGE_ALIGN(get_random_int() % range + start);
 }
+
+#if defined(CONFIG_PAX_ASLR) || defined(CONFIG_GRKERNSEC)
+unsigned long pax_get_random_long(void)
+{
+	static time_t	rekey_time;
+	static __u32	secret[12];
+	time_t		t;
+
+	/*
+	 * Pick a random secret every REKEY_INTERVAL seconds.
+	 */
+	t = get_seconds();
+	if (!rekey_time || (t - rekey_time) > REKEY_INTERVAL) {
+		rekey_time = t;
+		get_random_bytes(secret, sizeof(secret));
+	}
+
+	secret[1] = half_md4_transform(secret+8, secret);
+	secret[0] = half_md4_transform(secret+8, secret);
+	return *(unsigned long *)secret;
+}
+#endif