501 Open source projects that are alternatives of or similar to Phpasn1

Glorious Binary Serialization and Deserialization for TypeScript.

A low-level, lightweight protocol buffers implementation in JavaScript.

A Rust crate that allows you to match, bind, and pack the individual bits of integers.

Generic and fast binary serializer for Go

Scala combinator library for working with binary data

A PHP library for X.509 public key certificates, attribute certificates, certification requests and certification path validation.

A support library for Ronin. Like activesupport, but for hacking!

Fast inspection of binary buffers to guess/determine the type of content

Market leading Android SDK with encoding, streaming & playback functionality

Limited Error Raster Compression

Java library for encoding / decoding / muxing / demuxing video and audio in various formats

📼 A high performance .NET library for reading and creating animated GIFs

🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.

Certgrinder is a client/server system for getting LetsEncrypt certificates for your infrastructure. ACME challenges are handled by the Certgrinder server, making it possible to get certificates in highly isolated environments, since only an SSH connection to the Certgrinder server is needed.

BeFoR64, Base64 encoding/decoding library for FoRtran poor men

Small universal base64 functions for node.js and browsers

Simple and fast webp library for golang

Certificate Authority management suite

🔐🔗 Generate certs for your cluster, easy way

Secure, audited & 0-deps implementation of bech32, base64, base32, base16 & base58

X.509 Swiss Army Knife is a toolkit atop OpenSSL to ease generation of CAs and aid white-hat pentesting

Package geom implements efficient geometry types for geospatial applications.

A small .NET package to generate YouTube-like hashes from one or many numbers. Use hashids when you do not want to expose your database ids to the user.

Free Lossless Audio Codec

Detect and decode encoded strings, recursively.

Go package containing implementations of efficient encoding, decoding, and validation APIs.

Type-erased wrappers for Encodable, Decodable, and Codable values

PowerDNS DNS Authenticator plugin for Certbot

IT Freelancers : Manage small PKI for multiple projects (or clients) with 2 bash scripts

Certbot ACME-DNS DNS01 plugin for Certbot

"aoTuV" is library for encoding and decoding of OggVorbis

DjvuNet is a cross platform fully managed .NET library for working with Djvu documents which can run on Linux, macOS and Windows. Library has been written in C# and targets .NET Core v3.0 and .NET Standard v2.1 or later. We intend to provide DjVu document processing capabilities on par with DjVuLibre reference library (or even better).

Chrome extension for encoding/decoding and hashing text on websites

A tool to monitor a certificate transparency log for operational problems

This project offers a rfc 3161 compliant timestamping authority/server

Encoding and decoding for fixed-width formatted data

An Avro Library that emphasizes testability and ease of use.

A C++ bencoding library supporting both decoding and encoding.

Sia - Binary serialisation and deserialisation

X509 (RFC5280) handling in OCaml

🌞 ~1.5Kb morse code library for all. 一个支持 Unicode 中文摩斯密码编码的 Javascript 库。

A header-only compile-time Morton encoding / decoding library for N dimensions.

C++ header-only library with methods to efficiently encode/decode Morton codes in/from 2D/3D coordinates

A miniature version of Boulder, Pebble is a small RFC 8555 ACME test server not suited for a production certificate authority. Let's Encrypt is hiring! Work on Pebble with us.

Certificate Transparency Log Monitor

Reusable django app implementing x509 PKI certificates management

A binary encoder / decoder implementation in Rust.

OpenXPKI Code

Useful helpers for working with Codable types in Swift

C and MATLAB implementation for LDPC encoding and decoding

A C++11 ASN.1 BER Encoding and Decoding Library

Multibase in rust

meta project to build libraries from the brotli source code

Elixir package for working with X.509 certificates, Certificate Signing Requests (CSRs), Certificate Revocation Lists (CRLs) and RSA/ECC key pairs

multi base encoding/decoding utility

A Go library for encoding and decoding SMSs

A protocol to serialize Swift structs and classes for encoding and decoding.

🔍 Go tool for LSB steganography, capable of hiding any file within an image.

X.509 certificate linter, written in Go

Certificate Manager in .NET Core for creating and using X509 certificates