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This pull request introduces the ima-parser crate, which provides type definitions and parsers for Linux Integrity Measurement Architecture (IMA) event logs and policies. The implementation supports both binary and ASCII log formats and includes logic for recomputing and verifying template hashes. Feedback identifies a bug in the unescape_filename function regarding multi-byte UTF-8 handling and recommends that calculate_template_hash return a Result or Option instead of panicking for unsupported algorithms to improve API safety. Additionally, the README.md contains duplicated content that should be consolidated.
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| let computed = self.calculate_template_hash(algo); | ||
| computed == self.template_hash |
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verify_template_hash only returns true when the recomputed digest exactly matches self.template_hash, but IMA logs can encode integrity-violation entries with all-zeros/all-ones marker hashes. Those marker events will always be reported as invalid by this implementation, which creates false negatives during real log validation even though the method contract already states marker hashes should be treated as valid.
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Adds a new Rust crate `ima-parser` with core parsing and hashing functionality for Linux IMA artifacts (IMA policy files and IMA log files), with example binaries (parse_ascii_log, parse_binary_log, parse_policy) and integration tests. Prepares GitHub Actions workflows (build, test, lint, docs, spdx). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> Signed-off-by: Takuma IMAMURA <209989118+hyperfinitism@users.noreply.github.com>
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ima-parserlibrary crate, which includes type definitions and parsers of IMA policy and IMA eventlog (both ASCII and binary)