sha256-simd
xxh3
| sha256-simd | xxh3 | |
|---|---|---|
| 3 | 3 | |
| 984 | 406 | |
| 1.9% | - | |
| 1.0 | 2.7 | |
| over 1 year ago | over 1 year ago | |
| Go | Go | |
| Apache License 2.0 | BSD 2-clause "Simplified" License |
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sha256-simd
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The Curious Case of MD5
BLAKE3 is faster than hardware accelerated SHA-2 because the tree mode used in BLAKE3 allows hashing parts of a single message in parallel (with SHA-2, parts of a single message have to be hashed one after another, and parallelism is only used in workloads where you process multiple messages at the same time).
https://github.com/minio/sha256-simd
https://github.com/BLAKE3-team/BLAKE3
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Can I concatenate multiple non-crypto hash functions to reduce collision?
SHA256 is high quality but typically a bit slower. Next Go version will have faster SHA256 on some amd64 CPUs - until then you can try sha256-simd which offers the same.
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I need to find a custom hexadecimal string that when encrypted starts with a certain specific hexadecimal string(77656e6f7469 in our case). I tried randomly generating strings encrpyting them and checking them, realized it would take too much time. Any help?
I am not sure, if you can achieve a reasonable speed with Python though. You probably have to use a compiled language or run it on GPU. I found this very fast implemenation in Go which uses special CPU instructions (the AVX2 or SHA extensionsm depending on your CPU model) to speed up the calculation: https://github.com/minio/sha256-simd
xxh3
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SIMD in Go
Not sure what you are thinking about with regard to parallel. Maybe you are thinking of xxhash 3. Both operate so close to memory speed that doing parallel blocks and merging them will probably always be slower.
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Can I concatenate multiple non-crypto hash functions to reduce collision?
xxhash3 can supply hashes up to 128 bits and supports seeds and has pretty good speed on short inputs.
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Fastest way to encode []int8 to bytes hash ?
If you can live with 16 bytes output and non cryptographic quality xxhash 3 you can use Hash128(values).Bytes().
What are some alternatives?
asm - Go library providing algorithms optimized to leverage the characteristics of modern CPUs
highwayhash - Native Go version of HighwayHash with optimized assembly implementations on Intel and ARM. Able to process over 10 GB/sec on a single core on Intel CPUs - https://en.wikipedia.org/wiki/HighwayHash
asm - Learning assembly for Linux x86_64
xxhash - A Go implementation of the 64-bit xxHash algorithm (XXH64)
avo - Generate x86 Assembly with Go
go-highway - Go implementation of Google's HighwayHash
tinyfont - Text library for TinyGo displays
intrinsics - Experiment with Go intrinsics (NOT USABLE)
photoscope - Journey into photo management with golang
xxHash - Pure Go implementation of xxHash (32 and 64 bits versions)
mycel - Rudimentary web browser written in Golang
BLAKE3 - the official Rust and C implementations of the BLAKE3 cryptographic hash function