TLS/SSL and crypto library https://www.openssl.org

Rich Salz 1461138271 Deprecated crypto-mdebug-backtrace 3 days ago
.github d9b8c7237c Add a GitHub issue template for documentation issues 1 month ago
Configurations 742ccab318 Deprecate most of debug-memory 5 hours ago
VMS 402dd5585e Following the license change, modify the boilerplates in last few 1 year ago
apps 742ccab318 Deprecate most of debug-memory 5 hours ago
boringssl @ 2070f8ad91 4b5f7e7555 Update ossl_config.json for later BoringSSL commit 2 years ago
crypto 742ccab318 Deprecate most of debug-memory 5 hours ago
demos 23f3993127 Remove RANDFILE settings from configuration files 2 weeks ago
doc 742ccab318 Deprecate most of debug-memory 5 hours ago
engines 936c2b9e93 Update source files for deprecation at 3.0 1 month ago
external 05c9c7b02d Update the bundled external perl module Text-Template to version 1.56 3 months ago
fuzz f5e77bb0fa Add support for otherName:NAIRealm in output 3 days ago
include 742ccab318 Deprecate most of debug-memory 5 hours ago
krb5 @ b9ad6c4950 0fef74486e [extended tests] Enable krb5 tests in Travis 2 years ago
ms 1aa89a7a3a Unify all assembler file generators 2 months ago
os-dep 6c4be50a5d Move Haiku configuration to separate config file to denote 3 years ago
providers 742ccab318 Deprecate most of debug-memory 5 hours ago
pyca-cryptography @ 09403100de 7a8f6cad82 Update the pyca-cryptography submodule 1 year ago
ssl 742ccab318 Deprecate most of debug-memory 5 hours ago
test 742ccab318 Deprecate most of debug-memory 5 hours ago
tools 9059ab425a Following the license change, modify the boilerplates in util/, tools/ 1 year ago
util 742ccab318 Deprecate most of debug-memory 5 hours ago
.gitattributes 76bc401cc6 Don't export the submodules 'boringssl', 'krb5' and 'pyca-cryptography' 1 year ago
.gitignore 46994f7163 Add better support for using deprecated symbols internally 1 day ago
.gitmodules 0fef74486e [extended tests] Enable krb5 tests in Travis 2 years ago
.travis-apt-pin.preferences 404c76f4ee Fix travis clang-3.9 builds 2 years ago
.travis-create-release.sh 8d9535ec3e Remove all 'make dist' artifacts 1 year ago
.travis.yml 77fedcdc8c Enrich arm64 tests in Travis matrix 3 days ago
ACKNOWLEDGEMENTS ab29c82a55 Refer to website for acknowledgements. 4 years ago
AUTHORS b7b13c7ac8 Update AUTHORS list, add commentary 1 year ago
CHANGES 742ccab318 Deprecate most of debug-memory 5 hours ago
CONTRIBUTING e955edcda6 Add a note in the contributing file about trivial commits. 5 months ago
Configure 1461138271 Deprecated crypto-mdebug-backtrace 5 hours ago
FAQ 4f46473a86 Move FAQ to the web. 4 years ago
HACKING b97a28b19d A very brief explanation of how to add custom functions to OpenSSL. 5 months ago
INSTALL 742ccab318 Deprecate most of debug-memory 5 hours ago
LICENSE 151333164e Change license to the Apache License v2.0 1 year ago
NEWS 742ccab318 Deprecate most of debug-memory 5 hours ago
NOTES.ANDROID 7ba46774b7 Remove spurious space from file. 1 week ago
NOTES.DJGPP df4439186f Remove unnecessary trailing whitespace 10 months ago
NOTES.PERL 3e4e43e609 Fix typo in NOTES.PERL 7 months ago
NOTES.UNIX 2c879241ba NOTES.UNIX: add "Linking your application" paragraph 1 year ago
NOTES.VALGRIND e616c11e17 Add documentation for running unit tests under Valgrind 7 months ago
NOTES.VMS df4439186f Remove unnecessary trailing whitespace 10 months ago
NOTES.WIN 30478c9783 Configure: final cleanup of asm related things 6 months ago
README 9495a6c45b Remove the version number in README 1 month ago
README.ENGINE f39a5501ce Remove bsd_cryptodev engine 2 years ago
README.FIPS 700b4a4ae7 Remove more (rest?) of FIPS build stuff. 3 years ago
VERSION 20551b2e62 Configure: get version from the file 'VERSION' instead of 'opensslv.h' 1 month ago
appveyor.yml b4a7b4ec4a Configure: Make --strict-warnings meaningful with MSVC cl 1 month ago
build.info 46994f7163 Add better support for using deprecated symbols internally 1 day ago
config 53fd220c8f iOS build: Replace %20 with space in config script 5 months ago
config.com 402dd5585e Following the license change, modify the boilerplates in last few 1 year ago
configdata.pm.in 278de77b88 configdata.pm.in: Don't try to quotify undefined values 1 week ago
e_os.h 01036e2afb Move random-related defines from e_os.h to rand_unix.c 1 month ago

README


Copyright (c) 1998-2018 The OpenSSL Project
Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson
All rights reserved.

DESCRIPTION
-----------

The OpenSSL Project is a collaborative effort to develop a robust,
commercial-grade, fully featured, and Open Source toolkit implementing the
Transport Layer Security (TLS) protocols (including SSLv3) as well as a
full-strength general purpose cryptographic library.

OpenSSL is descended from the SSLeay library developed by Eric A. Young
and Tim J. Hudson.

The OpenSSL toolkit is licensed under the Apache License 2.0, which means
that you are free to get and use it for commercial and non-commercial
purposes as long as you fulfill its conditions.

OVERVIEW
--------

The OpenSSL toolkit includes:

libssl (with platform specific naming):
Provides the client and server-side implementations for SSLv3 and TLS.

libcrypto (with platform specific naming):
Provides general cryptographic and X.509 support needed by SSL/TLS but
not logically part of it.

openssl:
A command line tool that can be used for:
Creation of key parameters
Creation of X.509 certificates, CSRs and CRLs
Calculation of message digests
Encryption and decryption
SSL/TLS client and server tests
Handling of S/MIME signed or encrypted mail
And more...

INSTALLATION
------------

See the appropriate file:
INSTALL Linux, Unix, Windows, OpenVMS, ...
NOTES.* INSTALL addendums for different platforms

SUPPORT
-------

See the OpenSSL website www.openssl.org for details on how to obtain
commercial technical support. Free community support is available through the
openssl-users email list (see
https://www.openssl.org/community/mailinglists.html for further details).

If you have any problems with OpenSSL then please take the following steps
first:

- Download the latest version from the repository
to see if the problem has already been addressed
- Configure with no-asm
- Remove compiler optimization flags

If you wish to report a bug then please include the following information
and create an issue on GitHub:

- OpenSSL version: output of 'openssl version -a'
- Configuration data: output of 'perl configdata.pm --dump'
- OS Name, Version, Hardware platform
- Compiler Details (name, version)
- Application Details (name, version)
- Problem Description (steps that will reproduce the problem, if known)
- Stack Traceback (if the application dumps core)

Just because something doesn't work the way you expect does not mean it
is necessarily a bug in OpenSSL. Use the openssl-users email list for this type
of query.

HOW TO CONTRIBUTE TO OpenSSL
----------------------------

See CONTRIBUTING

LEGALITIES
----------

A number of nations restrict the use or export of cryptography. If you
are potentially subject to such restrictions you should seek competent
professional legal advice before attempting to develop or distribute
cryptographic code.