X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/50365fedcbaf91ce530ca8507d2f377dc76ffd59..41f08b7c08928060a8dd84916fddf294fab7f26c:/common/protocols.c

diff --git a/common/protocols.c b/common/protocols.c
index aa80491b..69631f58 100644
--- a/common/protocols.c
+++ b/common/protocols.c
@@ -1,25 +1,46 @@
-#include <strings.h>
 #include <string.h>
 #include <stdint.h>
 #include <stdarg.h>
 #include "protocols.h"
+
+// ATA55xx shared presets & routines
+uint32_t GetT55xxClockBit(uint32_t clock) {
+	switch (clock) {
+		case 128:
+			return T55x7_BITRATE_RF_128;
+		case 100:
+			return T55x7_BITRATE_RF_100;
+		case 64:
+			return T55x7_BITRATE_RF_64;
+		case 50:
+			return T55x7_BITRATE_RF_50;
+		case 40:
+			return T55x7_BITRATE_RF_40;
+		case 32:
+			return T55x7_BITRATE_RF_32;
+		case 16:
+			return T55x7_BITRATE_RF_16;
+		case 8:
+			return T55x7_BITRATE_RF_8;
+		default:
+			return 0;
+	}
+}
+
 #ifndef ON_DEVICE
 #include "ui.h"
 #define prnt PrintAndLog
-#endif
-
-
 
+// iclass / picopass chip config structures and shared routines
 typedef struct {
-	uint8_t app_limit;
-	uint8_t otp[2];
-	uint8_t block_writelock;
-	uint8_t chip_config;
-	uint8_t mem_config;
-	uint8_t eas;
-	uint8_t fuses;
-}picopass_conf_block;
-
+	uint8_t app_limit;      //[8]
+	uint8_t otp[2];         //[9-10]
+	uint8_t block_writelock;//[11]
+	uint8_t chip_config;    //[12]
+	uint8_t mem_config;     //[13]
+	uint8_t eas;            //[14]
+	uint8_t fuses;          //[15]
+} picopass_conf_block;
 
 typedef struct {
 	uint8_t csn[8];
@@ -28,32 +49,17 @@ typedef struct {
 	uint8_t key_d[8];
 	uint8_t key_c[8];
 	uint8_t app_issuer_area[8];
+} picopass_hdr;
 
-}picopass_hdr;
-
-
-//#define prnt printf
-/*void prnt(char *fmt,...)
-{
-	va_list argptr;
-	va_start(argptr, fmt);
-	vprintf(fmt, argptr);
-	printf("          "); // cleaning prompt
-	va_end(argptr);
-	printf("\n");
-}
-*/
-uint8_t isset(uint8_t val, uint8_t mask)
-{
+uint8_t isset(uint8_t val, uint8_t mask) {
 	return (val & mask);
 }
 
-uint8_t notset(uint8_t val, uint8_t mask){
+uint8_t notset(uint8_t val, uint8_t mask) {
 	return !(val & mask);
 }
 
-void fuse_config(const picopass_hdr *hdr)
-{
+void fuse_config(const picopass_hdr *hdr) {
 	uint8_t fuses = hdr->conf.fuses;
 
 	if (isset(fuses,FUSE_FPERS))prnt("	Mode: Personalization [Programmable]");
@@ -74,42 +80,68 @@ void fuse_config(const picopass_hdr *hdr)
 	if( isset( fuses, FUSE_RA)) prnt("	RA: Read access enabled");
 	else prnt("	RA: Read access not enabled");
 }
-void mem_config(const picopass_hdr *hdr)
-{
-	uint8_t mem = hdr->conf.mem_config;
-	if( isset (mem, 0x80)) prnt("	Mem: 16KBits (255 * 8 bytes)");
-	else prnt("	Mem: 2 KBits ( 32 * 8 bytes)");
 
+void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb) {
+	// mem-bit 5, mem-bit 7, chip-bit 4: defines chip type
+	if(isset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
+		*kb = 2;
+		*app_areas = 2;
+		*max_blk = 31;
+	} else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
+		*kb = 16;
+		*app_areas = 2;
+		*max_blk = 255; //16kb
+	} else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
+		*kb = 16;
+		*app_areas = 16;
+		*max_blk = 255; //16kb
+	} else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
+		*kb = 32;
+		*app_areas = 3;
+		*max_blk = 255; //16kb
+	} else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
+		*kb = 32;
+		*app_areas = 17;
+		*max_blk = 255; //16kb
+	} else {
+		*kb = 32;
+		*app_areas = 2;
+		*max_blk = 255;
+	}
 }
-void applimit_config(const picopass_hdr *hdr)
-{
+
+void mem_app_config(const picopass_hdr *hdr) {
+	uint8_t mem = hdr->conf.mem_config;
+	uint8_t chip = hdr->conf.chip_config;
 	uint8_t applimit = hdr->conf.app_limit;
-	prnt("	AA1: blocks 6-%d", applimit);
-	prnt("	AA2: blocks %d-", (applimit+1));
+	if (applimit < 6) applimit = 26;
+	uint8_t kb = 2;
+	uint8_t app_areas = 2;
+	uint8_t max_blk = 31;
+	getMemConfig(mem, chip, &max_blk, &app_areas, &kb);
+	prnt("  Mem: %u KBits/%u App Areas (%u * 8 bytes) [%02X]", kb, app_areas, max_blk, mem);
+	prnt("	AA1: blocks 06-%02X", applimit);
+	prnt("	AA2: blocks %02X-%02X", applimit+1, max_blk);
 }
-void print_picopass_info(const picopass_hdr *hdr)
-{
+void print_picopass_info(const picopass_hdr *hdr) {
 	fuse_config(hdr);
-	mem_config(hdr);
-	applimit_config(hdr);
+	mem_app_config(hdr);
 }
-void printIclassDumpInfo(uint8_t* iclass_dump)
-{
-//	picopass_hdr hdr;
-//	memcpy(&hdr, iclass_dump, sizeof(picopass_hdr));
+void printIclassDumpInfo(uint8_t* iclass_dump) {
 	print_picopass_info((picopass_hdr *) iclass_dump);
 }
 
 /*
-void test()
-{
+void test() {
 	picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
 	prnt("Picopass configuration:");
 	print_picopass_info(&hdr);
 }
-int main(int argc, char *argv[])
-{
+int main(int argc, char *argv[]) {
 	test();
 	return 0;
 }
 */
+
+#endif
+//ON_DEVICE