X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9a9bcea82baed04c6986d02f671b836e2875dc79..b67f7ec359806293a6da14208bad56b842dedb60:/common/protocols.c

diff --git a/common/protocols.c b/common/protocols.c
new file mode 100644
index 00000000..bdaff3f1
--- /dev/null
+++ b/common/protocols.c
@@ -0,0 +1,108 @@
+#include <stdio.h>
+#include <strings.h>
+#include <stdint.h>
+#include <stdarg.h>
+
+
+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;
+
+
+typedef struct {
+	uint8_t csn[8];
+	picopass_conf_block conf;
+	uint8_t epurse[8];
+	uint8_t key_d[8];
+	uint8_t key_c[8];
+	uint8_t app_issuer_area[8];
+
+}picopass_hdr;
+
+#define FUSE_FPERS   0x80
+#define FUSE_CODING1 0x40
+#define FUSE_CODING0 0x20
+#define FUSE_CRYPT1  0x10
+#define FUSE_CRYPT0  0x08
+#define FUSE_FPROD1  0x04
+#define FUSE_FPROD0  0x02
+#define FUSE_RA      0x01
+
+//#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)
+{
+	return (val & mask);
+}
+
+uint8_t notset(uint8_t val, uint8_t mask){
+	return !(val & mask);
+}
+
+void fuse_config(const picopass_hdr *hdr)
+{
+	uint8_t fuses = hdr->conf.fuses;
+
+	if (isset(fuses,FUSE_FPERS))prnt("	Mode: Personalization [Programmable]");
+	else prnt("	Mode: Application [Locked]");
+
+	if (isset(fuses, FUSE_CODING1))
+		prnt("	Coding: RFU");
+	else
+	{
+		if( isset( fuses , FUSE_CODING0)) prnt("	Coding: ISO 14443-2 B/ISO 15693");
+		else prnt("	Coding: ISO 14443B only");
+	}
+	if( isset (fuses,FUSE_CRYPT1 | FUSE_CRYPT0 )) prnt("	Crypt: Secured page, keys not locked");
+	if( isset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("	Crypt: Secured page, keys not locked");
+	if( notset (fuses,FUSE_CRYPT1) && isset( fuses, FUSE_CRYPT0 )) prnt("	Crypt: Non secured page");
+	if( notset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("	Crypt: No auth possible. Read only if RA is enabled");
+
+	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 applimit_config(const picopass_hdr *hdr)
+{
+	uint8_t applimit = hdr->conf.app_limit;
+	prnt("	AA1: blocks 6-%d", applimit);
+	prnt("	AA2: blocks %d-", (applimit+1));
+}
+void print_picopass_info(const picopass_hdr *hdr)
+{
+	fuse_config(hdr);
+	mem_config(hdr);
+	applimit_config(hdr);
+}
+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[])
+{
+	test();
+	return 0;
+}