p≡p engine FORK
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Hussein Kasem e8b88562de Android build: Add cleanup for installed headers. 1 year ago
asn.1 Makefile fix 2 years ago
build-android Android build: Add cleanup for installed headers. 1 year ago
build-mac Xcode: Support only architectures the latest stable Rust toolchain supports 1 year ago
build-windows ... 1 year ago
db PER_MACHINE_DIRECTORY basically has to be defined with a sensible default. 2 years ago
doc Removing rancid doc files. If we have build instructions, we have a responsibility to keep them up to date. If not, they're more dangerous than they're worth. 1 year ago
src Automatically bumped RC in source for future release. Next RC after this one will be 2.1.0-RC22 **if released**. 1 year ago
sync try_base_prepare_message() for signing 1 year ago
test ENGINE-775: renew_tests (basic) 1 year ago
.hgignore ignore generated test data 2 years ago
CC_BY-SA.txt Move most documentation to doc/, update README 4 years ago
LICENSE.txt Move most documentation to doc/, update README 4 years ago
Makefile Android build: Add cleanup for installed headers. 1 year ago
Makefile.conf Don't call pkg-config if the sequoia vars are already set in local.conf - we should probably refactor this so local.conf comes afterward anyway. I don't understand damiano's reasoning here. 1 year ago
README.md contribution 2 years ago
clean_sync_leftovers.sh adding trust sync files to clean_sync_leftovers.sh 2 years ago
release_rc.py Fixed release script newline error 1 year ago

README.md

What is the p≡p Engine?

The p≡p Engine is a Free Software library encapsulating implementations of:

  • Key Management

    Key Management in the p≡p Engine is based on GnuPG key chains (NetPGP on iOS). Keys are stored in an OpenPGP-compatible format, and can be used for different crypto implementations.

  • Trust Rating

    The p≡p Engine sports a two phase trust rating system for messages: In phase one a rating is derived based on channel, crypto and key security. This is named "comm_types". In phase two these ratings are mapped to user-representable values mimicking the semantics of a traffic light.

  • Abstract Crypto API

    The Abstract Crypto API provides functions to encrypt and decrypt data or full messages, without requiring an application programmer to understand the different applied formats and standards.

  • Message Transports

    The p≡p Engine will sport a growing list of message transports, to support any widespread text-based messaging system such as E-Mail, SMS, XMPP and many more.

The p≡p Engine is written in C99 and is expected to run on any platform that conforms to the SUS/POSIX specification. Selected non-SUS platforms are supported as well (such as Microsoft Windows).

How can I use the p≡p Engine?

Build instructions can be found in the "doc/" subfolder in this repository. The p≡p Engine is not meant to be used in application code directly. Instead, the p≡p Engine is meant to be used in conjunction with a so-called "adapter". An adapter provides an API in a programming language that best accomodates developers in their respective software development ecosystem. So, for example, a Java Native Interface adapter exists for development of apps for the Android mobile operating system, or a .NET adapter exists for development of applications on Microsoft Windows. Various adapters are also available at the link provided for the p≡p Engine's code above.

What is the current state of the project?

The p≡p Engine is production-ready. It is under active development by several full-time employees of the p≡p foundation and its partner organizations. The most recent version of the source code can be obtained here: https://pep.foundation/dev/repos. This is the only offical way to obtain a copy of the source code.

I would like to contribute to the p≡p Engine or a realated project, where do I start?

First of all, excellent! You can find further information here: https://contribution.pep.foundation/

Legal notes

The p≡p Engine is Copyright 2015-2020 by p≡p foundation, Switzerland. The source code of the p≡p Engine is licensed under the terms of the GNU General Public License version 3. Accompanying documentation is licensed under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) License. Each file includes a notice near its beginning, that indicates the applicable license. If you wish to license the p≡p Engine under different terms, please contact mailto:council@pep.foundation.

_pEp_reallocarray in pgp_sequoia.c is reallocarray from the OpenBSD source. It is copyright (c) 2008 Otto Moerbeek otto@drijf.net with the following permissions: Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

Contact

The p≡p foundation and the developers of the p≡p Engine can be reached as detailed here: https://pep.foundation/contact-us/index.html.