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rs2d\n\n[![Crates](https://img.shields.io/crates/v/rs2d.svg)](https://crates.io/crates/rs2d)\n[![Documentation](https://docs.rs/rs2d/badge.svg)](https://docs.rs/rs2d)\n[![dependency status](https://deps.rs/crate/rs2d/0.1.0/status.svg)](https://deps.rs/crate/rs2d/0.1.0)\n\nA crate for encoding and decoding data in a 2D Reed-Solomon matrix.\n\nInspired by the [Mustafa Al-Bassam's Paper](https://arxiv.org/pdf/1809.09044.pdf).\n\n\n## Algorithm\n\n```\nsd = digest\ncr = columnRoot\nr = rowRoot\nshard = [0u8;1280]\nblock = [shard;23]\ns = data shard\np = horizontal parity\ns' = veritical data parity\np' = vertical erasure parity\n```\n### Data Matrix\n```\ns1  s2  s3  s4  s5 -\u003e d1\ns6  s7  s8  s9  s10 -\u003e d2\ns11 s12 s13 s14 s15 -\u003e d3\ns16 s17 s18 s19 s20 -\u003e d4\ns21 s22 s23 sd  sd -\u003e d5\n```\n### Erasure Code Matrix\n```\ns1  s2   s3   s4   s5  -\u003e p1  p2  p3  p4  p5 -\u003e  r1\ns6  s7   s8   s9   s10 -\u003e p6  p7  p8  p9  p10 -\u003e r2\ns11 s12  s13  s14  s15 -\u003e p11 p12 p13 p14 p15 -\u003e r3\ns16 s17  s18  s19  s20 -\u003e p16 p17 p18 p19 p20 -\u003e r4\ns21 s22  s23  sd   sd  -\u003e p21 p22 p23 p24 p25 -\u003e r5\n |   |    |    |    |\n v   v    v    v    v  \ns1'  s2'  s3'  s4'  s5'  -\u003e p1'  p2'  p3'  p4'  p5' -\u003e  r6\ns6'  s7'  s8'  s9'  s10' -\u003e p6'  p7'  p8'  p9'  p10' -\u003e r7\ns11' s12' s13' s14' s15' -\u003e p11' p12' p13' p14' p15' -\u003e r8\ns16' s17' s18' s19' s20' -\u003e p16' p17' p18' p19' p20' -\u003e r9\ns21' s22' s23' sd'  sd'  -\u003e p21' p22' p23' p24' p25' -\u003e r10\n|    |    |    |    |       |    |    |    |    |\ncr1  cr2  cr3  cr4  cr5     cr6  cr7  cr8  cr9  cr10\n```\n\n## Current Limitations\n- Only works when n and k are the same.\n- No performance optimizations.\n- Data Shard has to be a byte array.\n\n# TODO\n- [x] Encode function\n- [ ] Decode/Verify function\n- [ ] Test Cases\n- [x] Benchmarks","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanoushk1234%2Frs2d","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fanoushk1234%2Frs2d","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanoushk1234%2Frs2d/lists"}