X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c068ebb78f2e4070fcf1a604df0d7088374b60c6..f53020e729d583f7975095ca7b4b467741d99edb:/client/util.c diff --git a/client/util.c b/client/util.c index a64f46b9..797a9392 100644 --- a/client/util.c +++ b/client/util.c @@ -248,7 +248,7 @@ char param_getchar(const char *line, int paramnum) uint8_t param_get8(const char *line, int paramnum) { - return param_get8ex(line, paramnum, 10, 0); + return param_get8ex(line, paramnum, 0, 10); } /** @@ -444,3 +444,27 @@ void wiegand_add_parity(char *target, char *source, char length) target += length; *(target)= GetParity(source + length / 2, ODD, length / 2); } + +void xor(unsigned char * dst, unsigned char * src, size_t len) { + for( ; len > 0; len--,dst++,src++) + *dst ^= *src; +} + +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; +}