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fix 'hf iclass replay' (#888)

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* implement option -n for authentication with replayed NR/MAC pairs in 'dump' and 'readbl'
* delete 'hf iclass replay'
This commit is contained in:
pwpiwi 2019-12-04 18:34:53 +01:00 • committed by GitHub
commit 28ae37b746
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 107 additions and 262 deletions
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4
common/iso15693tools.c
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@ -70,7 +70,7 @@ char* Iso15693sprintUID(char *target, uint8_t *uid) {
}
uint16_t iclass_crc16(char *data_p, unsigned short length) {
uint16_t iclass_crc16(uint8_t *data_p, unsigned short length) {
unsigned char i;
unsigned int data;
uint16_t crc = ISO15693_CRC_PRESET;
@ -79,7 +79,7 @@ uint16_t iclass_crc16(char *data_p, unsigned short length) {
return (~crc);
do {
for (i = 0, data = (unsigned int)0xff & *data_p++; i < 8; i++, data >>= 1) {
for (i = 0, data = 0xff & *data_p++; i < 8; i++, data >>= 1) {
if ((crc & 0x0001) ^ (data & 0x0001))
crc = (crc >> 1) ^ ISO15693_CRC_POLY;
else crc >>= 1;

2
common/iso15693tools.h
View file

@ -11,6 +11,6 @@
uint16_t Iso15693Crc(uint8_t *v, int n);
int Iso15693AddCrc(uint8_t *req, int n);
char* Iso15693sprintUID(char *target, uint8_t *uid);
unsigned short iclass_crc16(char *data_p, unsigned short length);
unsigned short iclass_crc16(uint8_t *data_p, unsigned short length);
#endif