X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/83a42ef965b5d04ae98cce58103b6201b6155d6c..1d5464397c4a6e0c251ba7ed80f4f797a9063cb0:/common/crc.h diff --git a/common/crc.h b/common/crc.h index eb91196b..fc76dc48 100644 --- a/common/crc.h +++ b/common/crc.h @@ -26,7 +26,7 @@ typedef struct crc { * final_xor is XORed onto the state before returning it from crc_result(). */ extern void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor); -/* Update the crc state. data is the data of length data_width bits (only the the +/* Update the crc state. data is the data of length data_width bits (only the * data_width lower-most bits are used). */ extern void crc_update(crc_t *crc, uint32_t data, int data_width); @@ -38,7 +38,10 @@ extern void crc_clear(crc_t *crc); extern uint32_t crc_finish(crc_t *crc); // Calculate CRC-8/Maxim checksum -int CRC8Maxim(uint8_t *buff, size_t size ); +uint32_t CRC8Maxim(uint8_t *buff, size_t size); + +// Calculate CRC-8/Legic checksum +uint32_t CRC8Legic(uint8_t *buff, size_t size); /* Static initialization of a crc structure */ #define CRC_INITIALIZER(_order, _polynom, _initial_value, _final_xor) { \