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Implemented working multithreading support in hf iclass legbrute

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Implemented key nibble based multithreading support for hf iclass legbrute.
It takes the whole iclass keyspace based on the first 4 bits of the key value (from 0x0 to 0xF) and divides it across the number of available threads.

E.g. on a 8 threads implementation:
- thread 1 will test keys starting with 0x0 onwards
- thread 2 will test keys starting with 0x2 onwards
- thread 3 will test keys starting with 0x4 onwards
- thread 4 will test keys starting with 0x6 onwards
- thread 5 will test keys starting with 0x8 onwards
- thread 6 will test keys starting with 0xA onwards
- thread 7 will test keys starting with 0xC onwards
- thread 8 will test keys starting with 0XE onwards
This commit is contained in:
Antiklesys 2025-06-06 11:25:46 +08:00
commit 411c684e6a
2 changed files with 111 additions and 93 deletions
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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]
- Changed `hf iclass legbrute` - implemented multithreading support (@antiklesys)
- Changed `hf iclass legrec` - added a --fast option for further speed increase and automated AA2 block selection (@antiklesys)
- Changed `hf iclass legrec` - additional code optimizations gaining a ~147% speed increase (@antiklesys)
- Changed `hf iclass tear` - readability improvements for erase phase (@antiklesys)