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https://github.com/multiformats/cs-multihash
Multihash implementation in C#
https://github.com/multiformats/cs-multihash
Last synced: 9 days ago
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Multihash implementation in C#
- Host: GitHub
- URL: https://github.com/multiformats/cs-multihash
- Owner: multiformats
- License: mit
- Archived: true
- Created: 2016-10-28T12:12:40.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2023-05-09T09:17:10.000Z (over 1 year ago)
- Last Synced: 2024-08-01T02:26:25.655Z (3 months ago)
- Language: C#
- Size: 195 KB
- Stars: 48
- Watchers: 21
- Forks: 15
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
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- fucking-awesome-dotnet-core - multiformats - A general purpose hashing library, but a library to encode/decode Multihashes which is a "container" describing what hash algorithm the digest is calculated with. (Frameworks, Libraries and Tools / Cryptography)
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README
**This project is no longer maintained and has been archived.**
# Multiformats.Hash (cs-multihash)
[](https://github.com/multiformats/multiformats)
[](https://webchat.freenode.net/?channels=%23ipfs)
[](https://travis-ci.org/multiformats/cs-multihash)
[](https://ci.appveyor.com/project/tabrath/cs-multihash)
[](https://www.nuget.org/packages/Multiformats.Hash/)
[](https://github.com/RichardLitt/standard-readme)
[](https://codecov.io/gh/multiformats/cs-multihash)
[](https://libraries.io/github/multiformats/cs-multihash)
> [Multihash](https://github.com/multiformats/multihash) implementation in C# .NET Standard 1.6 compliant.
This is not a general purpose hashing library, but a library to encode/decode Multihashes which is a "container" describing what hash algorithm the digest is calculated with. The library also support calculating the digest, but that is not it's main purpose. If you're looking for a library that supports many algorithms and only want the raw digest, try BouncyCastle or the built-ins of the .net framework.
To be clear, when you calculate a digest (using Sum) with this library, you will get a byte array including a prefix with the properties of the algorithm used (type and length).
There's a CLI version that you can use to compute files or direct input from the command line.
This CLI tool passes the sharness tests [here](https://github.com/multiformats/multihash/tree/master/tests/sharness).
## Table of Contents
* [Install](#install)
* [Usage](#usage)
* [Supported hash algorithms](#supported-hash-algorithms)
* [Maintainers](#maintainers)
* [Contribute](#contribute)
* [License](#license)
## Install
PM> Install-Package Multiformats.Hash
---
dotnet add package Multiformats.Hash
## Usage
```csharp
// decode a multihash formatted byte array
Multihash mh = Multihash.Decode(bytes);
// decode a multihash formatted string
Multihash mh = Multihash.Parse(str);
bool ok = Multihash.TryParse(str, out mh);
// encode a digest to multiformat byte array
byte[] bytes = Multihash.Encode(digest, HashType.SHA1);
byte[] bytes = Multihash.Encode(digest);
// calculate digest
Multihash mh = Multihash.Sum(bytes);
// verify
bool isValid = mh.Verify(bytes);
```
## Supported hash algorithms
* ID
* MD4
* MD5
* SHA1
* SHA2_256
* SHA2_512
* SHA3_224
* SHA3_256
* SHA3_384
* SHA3_512
* SHAKE_128
* SHAKE_256
* KECCAK_224
* KECCAK_256
* KECCAK_384
* KECCAK_512
* BLAKE2B-(bits) (8-512)
* BLAKE2S-(bits) (8-256)
* DBL_SHA2_256
* MURMUR3_32/128
* SKEIN256-(bits) (8-256)
* SKEIN512-(bits) (8-512)
* SKEIN1024-(bits) (8-1024)
## Maintainers
Captain: [@tabrath](https://github.com/tabrath).
## Contribute
Contributions welcome. Please check out [the issues](https://github.com/multiformats/cs-multihash/issues).
Check out our [contributing document](https://github.com/multiformats/multiformats/blob/master/contributing.md) for more information on how we work, and about contributing in general. Please be aware that all interactions related to multiformats are subject to the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).
Small note: If editing the README, please conform to the [standard-readme](https://github.com/RichardLitt/standard-readme) specification.
## License
[MIT](LICENSE) © 2017-2018 Trond Bråthen