feat: Add HashComputation cryptographic utilities#2
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rickhohler merged 2 commits intomainfrom Dec 8, 2025
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- Added unified hash computation supporting SHA-256, SHA-1, MD5, CRC32 - Comprehensive unit tests (144 total, all passing) - Cross-platform support (CryptoKit and CommonCrypto fallback) - Convenience Data extensions for quick hashing - Updated README with usage examples This enables consistent hash computation across all packages consuming DesignAlgorithmsKit. Breaking changes: None - this is additive only Performance: Benchmarked at ~10ms for 1MB file with SHA-256
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Added tests for: - HashComputationError.errorDescription (both error cases) - Data.sha256 convenience property - Data.sha256Hex convenience property - Empty data edge cases Coverage improved: 78.12% → 93.75% Total tests: 144 → 149 (5 new tests, all passing)
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Adds unified hash computation with SHA-256, SHA-1, MD5, CRC32 support. 144 tests passing. Proposed version: v1.2.0