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d02b48c6 | 1 | |
3a63dbef | 2 | OpenSSL 3.0.0-dev |
651d0aff | 3 | |
6738bf14 | 4 | Copyright (c) 1998-2018 The OpenSSL Project |
058bf559 | 5 | Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson |
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6 | All rights reserved. |
7 | ||
dfca822f RE |
8 | DESCRIPTION |
9 | ----------- | |
10 | ||
f1c236f8 | 11 | The OpenSSL Project is a collaborative effort to develop a robust, |
651d0aff | 12 | commercial-grade, fully featured, and Open Source toolkit implementing the |
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13 | Transport Layer Security (TLS) protocols (including SSLv3) as well as a |
14 | full-strength general purpose cryptographic library. | |
651d0aff | 15 | |
b06935f4 | 16 | OpenSSL is descended from the SSLeay library developed by Eric A. Young |
15133316 RL |
17 | and Tim J. Hudson. |
18 | ||
19 | The OpenSSL toolkit is licensed under the Apache License 2.0, which means | |
20 | that you are free to get and use it for commercial and non-commercial | |
21 | purposes as long as you fulfill its conditions. | |
651d0aff | 22 | |
dfca822f RE |
23 | OVERVIEW |
24 | -------- | |
25 | ||
1c308226 | 26 | The OpenSSL toolkit includes: |
651d0aff | 27 | |
f33d63c9 | 28 | libssl (with platform specific naming): |
b06935f4 | 29 | Provides the client and server-side implementations for SSLv3 and TLS. |
651d0aff | 30 | |
f33d63c9 | 31 | libcrypto (with platform specific naming): |
b06935f4 RS |
32 | Provides general cryptographic and X.509 support needed by SSL/TLS but |
33 | not logically part of it. | |
651d0aff | 34 | |
a2c96d88 | 35 | openssl: |
d7f0ab5f | 36 | A command line tool that can be used for: |
b06935f4 | 37 | Creation of key parameters |
a2c96d88 | 38 | Creation of X.509 certificates, CSRs and CRLs |
b06935f4 RS |
39 | Calculation of message digests |
40 | Encryption and decryption | |
41 | SSL/TLS client and server tests | |
d7f0ab5f | 42 | Handling of S/MIME signed or encrypted mail |
b06935f4 | 43 | And more... |
d7f0ab5f | 44 | |
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45 | INSTALLATION |
46 | ------------ | |
47 | ||
b06935f4 | 48 | See the appropriate file: |
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49 | INSTALL Linux, Unix, Windows, OpenVMS, ... |
50 | NOTES.* INSTALL addendums for different platforms | |
80e1495b | 51 | |
a2c96d88 | 52 | SUPPORT |
dfca822f RE |
53 | ------- |
54 | ||
b06935f4 | 55 | See the OpenSSL website www.openssl.org for details on how to obtain |
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56 | commercial technical support. Free community support is available through the |
57 | openssl-users email list (see | |
58 | https://www.openssl.org/community/mailinglists.html for further details). | |
0e37c909 | 59 | |
dfca822f RE |
60 | If you have any problems with OpenSSL then please take the following steps |
61 | first: | |
62 | ||
7954dced | 63 | - Download the latest version from the repository |
d7f0ab5f | 64 | to see if the problem has already been addressed |
7954dced | 65 | - Configure with no-asm |
46f4e1be | 66 | - Remove compiler optimization flags |
dfca822f | 67 | |
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68 | If you wish to report a bug then please include the following information |
69 | and create an issue on GitHub: | |
dfca822f | 70 | |
26dee42d | 71 | - OpenSSL version: output of 'openssl version -a' |
917a1b2e | 72 | - Configuration data: output of 'perl configdata.pm --dump' |
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73 | - OS Name, Version, Hardware platform |
74 | - Compiler Details (name, version) | |
d7f0ab5f UM |
75 | - Application Details (name, version) |
76 | - Problem Description (steps that will reproduce the problem, if known) | |
77 | - Stack Traceback (if the application dumps core) | |
dfca822f | 78 | |
932af161 | 79 | Just because something doesn't work the way you expect does not mean it |
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80 | is necessarily a bug in OpenSSL. Use the openssl-users email list for this type |
81 | of query. | |
932af161 | 82 | |
b282fdae UM |
83 | HOW TO CONTRIBUTE TO OpenSSL |
84 | ---------------------------- | |
85 | ||
eb05f173 | 86 | See CONTRIBUTING |
b06935f4 RS |
87 | |
88 | LEGALITIES | |
89 | ---------- | |
90 | ||
12a7715e | 91 | A number of nations restrict the use or export of cryptography. If you |
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92 | are potentially subject to such restrictions you should seek competent |
93 | professional legal advice before attempting to develop or distribute | |
94 | cryptographic code. |