From: iceman <iceman@iuse.se>
Date: Mon, 15 Feb 2016 01:46:48 +0000 (+0100)
Subject: add: added a noncedistance method
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/a70fcfb65597ff22e4b2b8735d1afa550386603c?hp=6e91de5a8d1bd3c94f6bf6c80e284a374a5c7187

add: added a noncedistance method
---

diff --git a/armsrc/crypto1.c b/armsrc/crypto1.c
index 98d38b2b..68cb9b4e 100644
--- a/armsrc/crypto1.c
+++ b/armsrc/crypto1.c
@@ -141,3 +141,13 @@ uint32_t prng_successor(uint32_t x, uint32_t n)
 
 	return SWAPENDIAN(x);
 }
+
+uint32_t prng_successor_one(uint32_t x)
+{
+	SWAPENDIAN(x);
+
+	x = x >> 1 | (x >> 16 ^ x >> 18 ^ x >> 19 ^ x >> 21) << 31;
+
+	return SWAPENDIAN(x);
+}
+