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fix 'hf iclass chk' (#894)

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* Check for Credidt Keys as well
* reduce authentication tries from 6 to 3
* correct text in 'hf iclass clone' for 'l' parameter
* some reformatting and whitespace fixes
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pwpiwi 2019-12-09 08:27:42 +01:00 • committed by GitHub
commit e73c9f1bd4
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 53 additions and 74 deletions
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17
client/util.c
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@ -169,23 +169,22 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex
const size_t min_str_len, const size_t spaces_between, bool uppercase) {
char *tmp = (char *)buf;
size_t i;
memset(tmp, 0x00, hex_max_len);
int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;
int maxLen = (hex_len > hex_max_len) ? hex_max_len : hex_len;
for (i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) {
for (int i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) {
sprintf(tmp, (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]);
for (int j = 0; j < spaces_between; j++)
sprintf(tmp + 2 + j, " ");
if (i != maxLen - 1)
for (int j = 0; j < spaces_between; j++)
sprintf(tmp + 2 + j, " ");
}
i *= (2 + spaces_between);
int minStrLen = min_str_len > i ? min_str_len : 0;
size_t len = strlen(tmp);
int minStrLen = min_str_len > len ? min_str_len : 0;
if (minStrLen > hex_max_len)
minStrLen = hex_max_len;
for(; i < minStrLen; i++, tmp += 1)
for (int i = len; i < minStrLen; i++, tmp += 1)
sprintf(tmp, " ");
return;