ADD: @marshmellow42 's fixed version of the ISO11784 FDX-B

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index 30547080b7714b6ac02f1ccd830116186c4f0c4a..66e0a6979d7ab92ae99e96d64baecacaf670af83 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -453,3 +453,18 @@ void xor(unsigned char * dst, unsigned char * src, size_t len) {
 int32_t le24toh (uint8_t data[3]) {
     return (data[2] << 16) | (data[1] << 8) | data[0];
 }
+
+
+uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits) {
+       
+       int i = start;
+       int j = len-1;
+
+       if (len > 32) return 0;
+
+       uint32_t tmp = 0;
+       for (; j >= 0; --j, ++i)
+               tmp     |= bits[i] << j;
+
+       return tmp;
+}