- OpenSSL 0.9.6-beta2 17 Sep 2000
+ OpenSSL 1.1.0-dev
- Copyright (c) 1998-2000 The OpenSSL Project
+ Copyright (c) 1998-2015 The OpenSSL Project
Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson
All rights reserved.
protocols as well as a full-strength general purpose cryptography library.
The project is managed by a worldwide community of volunteers that use the
Internet to communicate, plan, and develop the OpenSSL toolkit and its
- related documentation.
+ related documentation.
OpenSSL is based on the excellent SSLeay library developed from Eric A. Young
and Tim J. Hudson. The OpenSSL toolkit is licensed under a dual-license (the
OpenSSL license plus the SSLeay license) situation, which basically means
that you are free to get and use it for commercial and non-commercial
- purposes as long as you fulfill the conditions of both licenses.
+ purposes as long as you fulfill the conditions of both licenses.
OVERVIEW
--------
actually logically part of it. It includes routines for the following:
Ciphers
- libdes - EAY's libdes DES encryption package which has been floating
- around the net for a few years. It includes 15
- 'modes/variations' of DES (1, 2 and 3 key versions of ecb,
- cbc, cfb and ofb; pcbc and a more general form of cfb and
- ofb) including desx in cbc mode, a fast crypt(3), and
- routines to read passwords from the keyboard.
+ libdes - EAY's libdes DES encryption package which was floating
+ around the net for a few years, and was then relicensed by
+ him as part of SSLeay. It includes 15 'modes/variations'
+ of DES (1, 2 and 3 key versions of ecb, cbc, cfb and ofb;
+ pcbc and a more general form of cfb and ofb) including desx
+ in cbc mode, a fast crypt(3), and routines to read
+ passwords from the keyboard.
RC4 encryption,
RC2 encryption - 4 different modes, ecb, cbc, cfb and ofb.
Blowfish encryption - 4 different modes, ecb, cbc, cfb and ofb.
MDC2 message digest. A DES based hash that is popular on smart cards.
Public Key
- RSA encryption/decryption/generation.
+ RSA encryption/decryption/generation.
There is no limit on the number of bits.
- DSA encryption/decryption/generation.
+ DSA encryption/decryption/generation.
There is no limit on the number of bits.
- Diffie-Hellman key-exchange/key generation.
+ Diffie-Hellman key-exchange/key generation.
There is no limit on the number of bits.
X.509v3 certificates
X509 encoding/decoding into/from binary ASN1 and a PEM
- based ascii-binary encoding which supports encryption with a
+ based ASCII-binary encoding which supports encryption with a
private key. Program to generate RSA and DSA certificate
requests and to generate RSA and DSA certificates.
A simple stack.
A Configuration loader that uses a format similar to MS .ini files.
- openssl:
+ openssl:
A command line tool that can be used for:
Creation of RSA, DH and DSA key parameters
- Creation of X.509 certificates, CSRs and CRLs
+ Creation of X.509 certificates, CSRs and CRLs
Calculation of Message Digests
Encryption and Decryption with Ciphers
SSL/TLS Client and Server Tests
Handling of S/MIME signed or encrypted mail
-
- PATENTS
- -------
-
- Various companies hold various patents for various algorithms in various
- locations around the world. _YOU_ are responsible for ensuring that your use
- of any algorithms is legal by checking if there are any patents in your
- country. The file contains some of the patents that we know about or are
- rumoured to exist. This is not a definitive list.
-
- RSA Security holds software patents on the RC5 algorithm. If you
- intend to use this cipher, you must contact RSA Security for
- licensing conditions. Their web page is http://www.rsasecurity.com/.
-
- RC4 is a trademark of RSA Security, so use of this label should perhaps
- only be used with RSA Security's permission.
-
- The IDEA algorithm is patented by Ascom in Austria, France, Germany, Italy,
- Japan, Netherlands, Spain, Sweden, Switzerland, UK and the USA. They should
- be contacted if that algorithm is to be used, their web page is
- http://www.ascom.ch/.
-
INSTALLATION
------------
INSTALL.VMS.
Read the documentation in the doc/ directory. It is quite rough, but it
- lists the functions, you will probably have to look at the code to work out
- how to used them. Look at the example programs.
+ lists the functions; you will probably have to look at the code to work out
+ how to use them. Look at the example programs.
+
+ PROBLEMS
+ --------
- SUPPORT
+ For some platforms, there are some known problems that may affect the user
+ or application author. We try to collect those in doc/PROBLEMS, with current
+ thoughts on how they should be solved in a future of OpenSSL.
+
+ SUPPORT
-------
+ See the OpenSSL website www.openssl.org for details of how to obtain
+ commercial technical support.
+
If you have any problems with OpenSSL then please take the following steps
first:
- Download the current snapshot from ftp://ftp.openssl.org/snapshot/
to see if the problem has already been addressed
- Remove ASM versions of libraries
- - Remove compiler optimisation flags
+ - Remove compiler optimisation flags
If you wish to report a bug then please include the following information in
any bug report:
- Problem Description (steps that will reproduce the problem, if known)
- Stack Traceback (if the application dumps core)
- Report the bug to the OpenSSL project at:
+ Email the report to:
- openssl-bugs@openssl.org
+ rt@openssl.org
- Note that mail to openssl-bugs@openssl.org is forwarded to a public
- mailing list. Confidential mail may be sent to openssl-security@openssl.org
- (PGP key available from the key servers).
+ In order to avoid spam, this is a moderated mailing list, and it might
+ take a day for the ticket to show up. (We also scan posts to make sure
+ that security disclosures aren't publically posted by mistake.) Mail to
+ this address is recorded in the public RT (request tracker) database (see
+ https://www.openssl.org/support/rt.html for details) and also forwarded
+ the public openssl-dev mailing list. Confidential mail may be sent to
+ openssl-security@openssl.org (PGP key available from the key servers).
- HOW TO CONTRIBUTE TO OpenSSL
- ----------------------------
+ Please do NOT use this for general assistance or support queries.
+ Just because something doesn't work the way you expect does not mean it
+ is necessarily a bug in OpenSSL.
- Development is coordinated on the openssl-dev mailing list (see
- http://www.openssl.org for information on subscribing). If you
- would like to submit a patch, send it to openssl-dev@openssl.org with
- the string "[PATCH]" in the subject. Please be sure to include a
- textual explanation of what your patch does.
+ You can also make GitHub pull requests. If you do this, please also send
+ mail to rt@openssl.org with a link to the PR so that we can more easily
+ keep track of it.
- Note: For legal reasons, contributions from the US can be accepted only
- if a copy of the patch is sent to crypt@bxa.doc.gov
-
- The preferred format for changes is "diff -u" output. You might
- generate it like this:
+ HOW TO CONTRIBUTE TO OpenSSL
+ ----------------------------
- # cd openssl-work
- # [your changes]
- # ./Configure dist; make clean
- # cd ..
- # diff -ur openssl-orig openssl-work > mydiffs.patch
+ See CONTRIBUTING
projects / openssl.git / blobdiff