High-performance hash utility with fast mode
Mood
supportive
Sentiment
positive
Category
tech
Key topics
Rust
Cryptography
Performance Optimization
A high-performance hash utility written in Rust is introduced, offering fast mode and SIMD acceleration for verifying large amounts of data quickly, with the author highlighting its key features and performance benefits.
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Discussion Activity
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Key moments
- 01Story posted
11/18/2025, 8:05:10 AM
13h ago
Step 01 - 02First comment
11/18/2025, 8:05:10 AM
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Step 02 - 03Peak activity
1 comments in Hour 1
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Step 03 - 04Latest activity
11/18/2025, 8:05:10 AM
13h ago
Step 04
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Key features:
- 15+ algorithms: SHA-2/3, BLAKE2/3, xxHash3, MD5, SHA-1 - Fast mode: Samples 300MB (start/middle/end) for 100x speedup on large files - SIMD acceleration: Automatic SSE/AVX/AVX-512/NEON optimization - Directory scanning with parallel processing - Hash database storage and verification - Compare databases to find changes/duplicates - .hashignore support (gitignore-style patterns) - Wildcard patterns for batch operations - Multiple output formats: standard, hashdeep, JSON - LZMA compression for databases - Cross-platform: Linux, macOS, Windows, FreeBSD
Perfect for backup verification, duplicate detection, and integrity checking. BLAKE3 achieves 1-3 GB/s throughput.
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