+// Certain pwd generation algo nickname B. (very simple)
+uint32_t ul_ev1_pwdgenB(uint8_t* uid) {
+
+ uint8_t pwd[] = {0x00,0x00,0x00,0x00};
+
+ pwd[0] = uid[1] ^ uid[3] ^ 0xAA;
+ pwd[1] = uid[2] ^ uid[4] ^ 0x55;
+ pwd[2] = uid[3] ^ uid[5] ^ 0xAA;
+ pwd[3] = uid[4] ^ uid[6] ^ 0x55;
+ return (uint32_t)bytes_to_num(pwd, 4);
+}
+
+// Certain pwd generation algo nickname C.
+uint32_t ul_ev1_pwdgenC(uint8_t* uid){
+ uint32_t pwd = 0;
+ uint8_t base[] = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x28,
+ 0x63, 0x29, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72,
+ 0x69, 0x67, 0x68, 0x74, 0x20, 0x4c, 0x45, 0x47,
+ 0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xaa, 0xaa
+ };
+
+ memcpy(base, uid, 7);
+
+ for (int i = 0; i < 32; i += 4) {
+ uint32_t b = *(uint32_t *)(base + i);
+ pwd = b + ROTR(pwd, 25) + ROTR(pwd, 10) - pwd;
+ }
+ return BSWAP_32(pwd);
+}
+
+// pack generation for algo 1-3
+uint16_t ul_ev1_packgenA(uint8_t* uid){
+ uint16_t pack = (uid[0] ^ uid[1] ^ uid[2]) << 8 | (uid[2] ^ 8);
+ return pack;
+}
+uint16_t ul_ev1_packgenB(uint8_t* uid){
+ return 0x8080;
+}
+uint16_t ul_ev1_packgenC(uint8_t* uid){
+ return 0xaa55;
+}
+
+
+void ul_ev1_pwdgen_selftest(){
+
+ uint8_t uid1[] = {0x04,0x11,0x12,0x11,0x12,0x11,0x10};
+ uint32_t pwd1 = ul_ev1_pwdgenA(uid1);
+ PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid1,7), pwd1, (pwd1 == 0x8432EB17)?"OK":"->8432EB17<-");
+
+ uint8_t uid2[] = {0x04,0x1f,0x98,0xea,0x1e,0x3e,0x81};
+ uint32_t pwd2 = ul_ev1_pwdgenB(uid2);
+ PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid2,7), pwd2, (pwd2 == 0x5fd37eca)?"OK":"->5fd37eca<--");
+
+ uint8_t uid3[] = {0x04,0x62, 0xB6, 0x8A, 0xB4, 0x42, 0x80};
+ uint32_t pwd3 = ul_ev1_pwdgenC(uid3);
+ PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid3,7), pwd3, (pwd3 == 0x5a349515)?"OK":"->5a349515<--");
+ return;
+}
projects / proxmark3-svn / blobdiff