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Botan: Crypto and TLS for C++11
========================================
Botan (Japanese for peony) is a cryptography library written in C++11
and released under the permissive `Simplified BSD
<https://botan.randombit.net/license.txt>`_ license.
Botan's goal is to be the best option for cryptography in new C++ code by
offering the tools necessary to implement a range of practical systems, such as
TLS/DTLS, PKIX certificate handling, PKCS#11 and TPM hardware support, password
hashing, and post quantum crypto schemes. In addition to the C++, botan has a
C89 API specifically designed to be easy to call from other languages. A Python
binding using ctypes calling the C89 API is included.
Find the full feature list below.
Development is coordinated on `GitHub <https://github.com/randombit/botan>`_
and contributions are welcome (read `doc/contributing.rst` for more info).
If you need help with a problem, please open an `issue on GitHub
<https://github.com/randombit/botan/issues>`_ or email the
`botan-devel mailing list
<https://lists.randombit.net/mailman/listinfo/botan-devel/>`_.
New releases are announced on the
`botan-announce mailing list
<https://lists.randombit.net/mailman/listinfo/botan-announce/>`_.
If you think you have found a security bug in Botan please contact
Jack Lloyd by emailing jack@randombit.net. His PGP public key with
fingerprint 4E60C73551AF2188DF0A5A6278E9804357123B60 can can be found
in ``doc/pgpkey.txt`` in the distribution,
https://keybase.io/jacklloyd, and some public PGP key servers.
.. highlight:: none
For all the details on building the library, read the
`users manual <https://botan.randombit.net/manual>`_, but basically::
$ ./configure.py --help
$ ./configure.py [probably some options]
$ make
$ ./botan-test
# lots of output...
Tests all ok
$ ./botan
# shows available commands
$ make install
Botan can also be built into a single-file amalgamation for easy inclusion into
external build systems, see the manual for details.
.. image:: https://travis-ci.org/randombit/botan.svg?branch=master
:target: https://travis-ci.org/randombit/botan
:alt: Travis CI status
.. image:: https://ci.appveyor.com/api/projects/status/n9f94dljd03j2lce/branch/master?svg=true
:target: https://ci.appveyor.com/project/randombit/botan/branch/master
:alt: AppVeyor CI status
.. image:: https://circleci.com/gh/randombit/botan.svg?style=shield
:target: https://circleci.com/gh/randombit/botan
:alt: CircleCI status
.. image:: https://botan-ci.kullo.net/badge
:target: https://botan-ci.kullo.net/
:alt: Kullo CI status
.. image:: https://codecov.io/github/randombit/botan/coverage.svg?branch=master
:target: https://codecov.io/github/randombit/botan
:alt: Code coverage report
.. image:: https://scan.coverity.com/projects/624/badge.svg
:target: https://scan.coverity.com/projects/624
:alt: Coverity results
.. image:: https://sonarqube.com/api/badges/gate?key=botan
:target: https://sonarqube.com/dashboard/index/botan
:alt: Sonarqube analysis
.. image:: https://bestpractices.coreinfrastructure.org/projects/531/badge
:target: https://bestpractices.coreinfrastructure.org/projects/531
:alt: CII Best Practices statement
Release Downloads
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
See the `release notes <https://botan.randombit.net/news.html>`_ and
`security advisories <https://botan.randombit.net/security.html>`_
All releases are signed with a
`PGP key <https://botan.randombit.net/pgpkey.txt>`_::
pub 2048R/EFBADFBC 2004-10-30
Key fingerprint = 621D AF64 11E1 851C 4CF9 A2E1 6211 EBF1 EFBA DFBC
uid Botan Distribution Key
Some distributions such as Arch, Fedora and Debian include packages
for Botan. However these are often out of date; using the latest
source release is recommended.
Current Stable Release
----------------------------------------
Version 2 requires a C++11 compiler; GCC 4.8 and later, Clang 3.5 and
later, and MSVC 2015 are regularly tested.
The latest 2.x release is
`2.2.0 <https://botan.randombit.net/releases/Botan-2.2.0.tgz>`_
`(sig) <https://botan.randombit.net/releases/Botan-2.2.0.tgz.asc>`_
released on 2017-08-07
Old Stable Release
----------------------------------------
The 1.10 branch is the last version of the library written in C++98 and is still
the most commonly packaged version. It is no longer supported except for
critical security updates (with all support ending on 2018-1-1), and the
developers do not recommend its use anymore.
The latest 1.10 release is
`1.10.16 <https://botan.randombit.net/releases/Botan-1.10.16.tgz>`_
`(sig) <https://botan.randombit.net/releases/Botan-1.10.16.tgz.asc>`_
released on 2017-04-04
Find Enclosed
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Transport Layer Security (TLS) Protocol
----------------------------------------
* TLS v1.0, v1.1, and v1.2. The broken SSLv3 protocol is no longer supported.
* DTLS v1.0 and v1.2 are adaptations of TLS to datagram operation.
* Extensions include session tickets, SNI, ALPN, OCSP staple requests (client
side only right now), encrypt-then-mac CBC, and extended master secret.
* Supports authentication using preshared keys (PSK) or passwords (SRP)
* Supports record encryption with ChaCha20Poly1305, AES/OCB, AES/GCM, AES/CCM,
Camellia/GCM, and legacy CBC ciphersuites with AES, Camellia, SEED, or 3DES.
* Key exchange using Diffie-Hellman, ECDH, RSA, or CECPQ1
Public Key Infrastructure
----------------------------------------
* X.509v3 certificates and CRL creation and handling
* PKIX certificate path validation, including name constraints.
* OCSP request creation and response handling
* PKCS #10 certificate request generation and processing
* SQL database backed certificate store
Public Key Cryptography
----------------------------------------
* RSA signatures and encryption
* DH and ECDH key agreement
* Signature schemes ECDSA, DSA, Ed25519, ECGDSA, ECKCDSA, SM2, and GOST 34.10-2001
* Post-quantum signature scheme XMSS
* Post-quantum key agreement schemes McEliece and NewHope
* ElGamal encryption
* Padding schemes OAEP, PSS, PKCS #1 v1.5, X9.31
Ciphers, hashes, MACs, and checksums
----------------------------------------
* Authenticated cipher modes EAX, OCB, GCM, SIV, CCM, and ChaCha20Poly1305
* Cipher modes CTR, CBC, XTS, CFB, and OFB
* Block ciphers AES, ARIA, Blowfish, Camellia, CAST-128, CAST-256,
DES/3DES, GOST 28147, IDEA, KASUMI, Lion, MISTY1, Noekeon, SEED,
Serpent, SHACAL2, SM4, Threefish-512, Twofish, XTEA
* Stream ciphers ChaCha20, Salsa20/XSalsa20, SHAKE-128, and RC4
* Hash functions SHA-1, SHA-2, SHA-3, RIPEMD-160, Skein-512,
BLAKE2b, SM3, Tiger, Whirlpool, GOST 34.11, MD5, MD4
* Hash function combiners Parallel and Comb4P
* Authentication codes HMAC, CMAC, Poly1305, SipHash, GMAC, CBC-MAC, X9.19 DES-MAC
* Non-cryptographic checksums Adler32, CRC24, and CRC32
Other Useful Things
----------------------------------------
* Full C++ PKCS #11 API wrapper
* Interfaces for TPM v1.2 device access
* Simple compression API wrapping zlib, bzip2, and lzma libraries
* RNG wrappers for system RNG and hardware RNGs
* HMAC_DRBG and entropy collection system for userspace RNGs
* PBKDF2 password based key derivation
* Password hashing function bcrypt and passhash9 (custom PBKDF scheme)
* SRP-6a password authenticated key exchange
* Key derivation functions including HKDF, KDF2, SP 800-108, SP 800-56A, SP 800-56C
* HOTP and TOTP algorithms
* Format preserving encryption scheme FE1
* Threshold secret sharing
* RFC 3394 AES key wrap
Recommended Algorithms
----------------------------------------
* For encryption of network traffic use TLS v1.2
* Packet encryption: AES-256/GCM, AES-256/OCB, Serpent/OCB, or ChaCha20Poly1305
* General hash function: BLAKE2b, SHA-2, SHA-3, or Skein-512
* Message authentication or PRF: HMAC with SHA-256
* Key derivation function: KDF2 or HKDF
* Public Key Encryption: RSA, 2048+ bit keys, with OAEP/SHA-256
* Public Key Signatures: RSA, 2048+ bit keys with PSS/SHA-512,
or ECDSA using P-256/SHA-256 or P-521/SHA-512
* Key Agreement: ECDH using P-256 or X25519. If you are concerned
about quantum computers, combine ECC with NewHope.
|
