X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a66fca86b9f81e07161e89c101338968eda9d6c5..fff58476af2e83ff89dbbc6c9804bfea116c88dd:/client/loclass/cipher.h?ds=sidebyside diff --git a/client/loclass/cipher.h b/client/loclass/cipher.h index 10ea8059..bdea9432 100644 --- a/client/loclass/cipher.h +++ b/client/loclass/cipher.h @@ -1,5 +1,17 @@ /***************************************************************************** - * This file is part of iClassCipher. It is a reconstructon of the cipher engine + * WARNING + * + * THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY. + * + * USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL + * PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL, + * AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES. + * + * THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS. + * + ***************************************************************************** + * + * This file is part of loclass. It is a reconstructon of the cipher engine * used in iClass, and RFID techology. * * The implementation is based on the work performed by @@ -18,29 +30,20 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with IClassCipher. If not, see . + * along with loclass. If not, see . + * + * + * ****************************************************************************/ + #ifndef CIPHER_H #define CIPHER_H #include -/** -* Definition 1 (Cipher state). A cipher state of iClass s is an element of F 40/2 -* consisting of the following four components: -* 1. the left register l = (l 0 . . . l 7 ) ∈ F 8/2 ; -* 2. the right register r = (r 0 . . . r 7 ) ∈ F 8/2 ; -* 3. the top register t = (t 0 . . . t 15 ) ∈ F 16/2 . -* 4. the bottom register b = (b 0 . . . b 7 ) ∈ F 8/2 . -**/ -typedef struct { - uint8_t l; - uint8_t r; - uint8_t b; - uint16_t t; -} State; - -void printarr(char * name, uint8_t* arr, int len); -int calc_iclass_mac(uint8_t *cc_nr_p, uint8_t *div_key_p, uint8_t *mac); +void doMAC(uint8_t *cc_nr_p, uint8_t *div_key_p, uint8_t mac[4]); +#ifndef ON_DEVICE +int testMAC(); +#endif #endif // CIPHER_H