From: iceman1001 <iceman@iuse.se>
Date: Mon, 4 May 2015 22:26:17 +0000 (+0200)
Subject: ADD:  @marshmellows changes
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/e1c88b09651b354db1d99c0df0788602ed5de65f

ADD:  @marshmellows changes
---

diff --git a/client/util.c b/client/util.c
index 709e2014..5bb98fd7 100644
--- a/client/util.c
+++ b/client/util.c
@@ -158,6 +158,20 @@ uint64_t bytes_to_num(uint8_t* src, size_t len)
 	return num;
 }
 
+// aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
+// to
+// hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
+// up to 64 bytes or 512 bits
+uint8_t *SwapEndian64(uint8_t *src, size_t len){
+	static uint8_t temp[64]={0};
+	for (uint8_t block=0; block < (uint8_t)len/8; block++){
+		for (size_t i = 0; i < 8; i++){
+			temp[i+(8*block)] = src[(7-i)+(8*block)];
+		}
+	}
+	return temp;
+}
+
 //assumes little endian
 char * printBits(size_t const size, void const * const ptr)
 {
diff --git a/client/util.h b/client/util.h
index a6d0f49f..fb587da0 100644
--- a/client/util.h
+++ b/client/util.h
@@ -44,6 +44,7 @@ char * sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t bre
 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
 uint64_t bytes_to_num(uint8_t* src, size_t len);
 char * printBits(size_t const size, void const * const ptr);
+uint8_t *SwapEndian64(uint8_t *src, size_t len);
 
 char param_getchar(const char *line, int paramnum);
 uint8_t param_get8(const char *line, int paramnum);