chachapoly | RFC 7539 compliant ChaCha20-Poly1305 AEAD implementation

by grigorig C Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(3)Vulnerabilities Install Support

kandi X-RAY | chachapoly Summary

chachapoly is a C library. chachapoly has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

This is an RFC 7539 compliant ChaCha20-Poly1305 AEAD implementation. The underlying ChaCha20 implementation used is the original implementation from D. J. Bernstein with changes to the nonce/counter split as required by RFC7539. The Poly1305 implementation is poly1305-donna. The AEAD code has been designed to be as simple, easy to understand and small as possible. That means no particular architecture specific optimizations are included. The ChaCha20 and Poly1305 implementations were also chosen with this in mind.

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Support

chachapoly has a low active ecosystem.

It has 17 star(s) with 3 fork(s). There are 2 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 1 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of chachapoly is current.

Quality

chachapoly has no bugs reported.

Security

chachapoly has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

chachapoly does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

chachapoly releases are not available. You will need to build from source code and install.

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chachapoly Key Features

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chachapoly Examples and Code Snippets

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Community Discussions

Trending Discussions on chachapoly

CryptoKit authenticationFailure when try decrypt

How can i store encrypted data

CMake Warning (dev) in CMakeLists.txt: No cmake_minimum_required command is present. A line of code such as cmake_minimum_required(VERSION 3.9)

QUESTION

CryptoKit authenticationFailure when try decrypt

Asked 2021-Apr-07 at 09:11

I'm trying to decrypt payload using SymmetricKey. I've tried ChaChaPoly and AES.GCM to open sealedBox but I'm still getting CryptoKit.CryptoKitError.authenticationFailure here is my implementation:

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ANSWER

Answered 2021-Apr-07 at 09:11

The issue probably lies within the initialisation vector or nonce you use. Counting the bytes, we come to a total of 16 nonce bytes, even though GCM only needs 12. Now, using 16 is not necessarily good or bad, but the CryptoKit implementation assumes 12 bytes when calling AES.GCM.SealedBox(combined:). In order to support 16 nonce bytes, you will have to use AES.GCM.SealedBox(nonce:ciphertext:tag:) instead.

Source https://stackoverflow.com/questions/66754446

QUESTION

How can i store encrypted data

Asked 2020-May-19 at 15:11

I am trying store and retrieve my encrypted text data in UserDefaults but there is a problem with retrieving it. I user CryptoKit to encrypt and decrypt data.

Error message is: "Could not cast value of type 'Foundation.__NSSwiftData' (0x7fff89d1ee50) to 'CryptoKit.ChaChaPoly.SealedBox' (0x7fff8085abc8)."

Is there a better way to store SymmetricKey in the keychain without converting it to String by UnsafeBytes? I use SwiftKeychainWrapper.

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ANSWER

Answered 2020-May-19 at 15:11

You're storing Data in UserDefaults, so that's what you have to extract again. Then create a SealedBox from that, like so:

Source https://stackoverflow.com/questions/61893645

QUESTION

CMake Warning (dev) in CMakeLists.txt: No cmake_minimum_required command is present. A line of code such as cmake_minimum_required(VERSION 3.9)

Asked 2019-Nov-05 at 04:52

I'm trying to build ssh.lib from source using cmake.

For this purpose I have downloaded the libssh 0.8.2, Win32OpenSSL_Light-1_1_0i and cmake-3.9.0-rc1-win64-x64.

Visual Studio 2017 is used. I have installed open SSL into c directory then I use cmake assign the source and build paths. While generating, it showing error "Error in the configuration process, Project files may be invalid" and

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ANSWER

Answered 2018-Sep-12 at 08:51

At CMakeLists.txt:335 edit as below

Source https://stackoverflow.com/questions/52255075

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install chachapoly

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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