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Merge pull request #1487 from rknoll/fix-pac-checksum

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Fix PAC/Stanley checksum calculation
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Philippe Teuwen 2021-08-28 19:48:19 +02:00 committed by GitHub
commit 8a925b496a
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2 changed files with 2 additions and 1 deletions
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1
CHANGELOG.md
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@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
## [unreleased][unreleased]
- Fix PAC/Stanley checksum calculation (@rknoll)
- Added option --mem to `hf mf nested`, from icopyx source (@doegox)
- Port fpga-xc3s100e and icopyx source code specificities to this repo (@doegox)
- `hf mfdes` - Transactions. commit, abort, commit reader id. (@merlokk)

2
client/src/cmdlfpac.c
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@ -54,7 +54,7 @@ static int pac_buf_to_cardid(uint8_t *src, const size_t src_size, uint8_t *dst,
PrintAndLogEx(DEBUG, "DEBUG: Error - PAC: Parity check failed");
return PM3_ESOFT;
}
if (idx < dataLength - 1) checksum ^= byte;
if (idx < dataLength - 1) checksum ^= dst[idx];
}
if (dst[dataLength - 1] != checksum) {
PrintAndLogEx(DEBUG, "DEBUG: Error - PAC: Bad checksum - expected: %02X, actual: %02X", dst[dataLength - 1], checksum);