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Nick Mathewson 6921d1fd25 Implement HKDF from RFC5869
This is a customizable extract-and-expand HMAC-KDF for deriving keys.
It derives from RFC5869, which derives its rationale from Krawczyk,
H., "Cryptographic Extraction and Key Derivation: The HKDF Scheme",
Proceedings of CRYPTO 2010, 2010, <http://eprint.iacr.org/2010/264>.

I'm also renaming the existing KDF, now that Tor has two of them.

This is the key derivation scheme specified in ntor.

There are also unit tests.
2012-12-06 01:54:09 -05:00
changes Merge branch 'bug7013_take2_squashed' 2012-11-27 22:18:16 -05:00
contrib bump to 0.2.4.6-alpha-dev 2012-11-13 01:46:59 -05:00
doc Merge branch 'bug7013_take2_squashed' 2012-11-27 22:18:16 -05:00
src Implement HKDF from RFC5869 2012-12-06 01:54:09 -05:00
.gitignore Update .gitignore with new autotools droppings from nonrecursive make 2012-08-27 10:12:01 -04:00
acinclude.m4 Rename configure.in to configure.ac 2012-09-04 11:12:00 -04:00
autogen.sh Use autoreconf, not autoconf&&automake&&etc in autogen.sh 2010-09-27 11:20:12 -04:00
ChangeLog forward-port the 0.2.3.25 changelog and release notes 2012-11-20 03:46:56 -05:00
configure.ac bump to 0.2.4.6-alpha-dev 2012-11-13 01:46:59 -05:00
Doxyfile.in Fix up all doxygen warnings other than "foo is not documented" 2011-03-16 14:47:27 -04:00
INSTALL Small fixes for the 2702 implementation 2011-04-02 12:15:08 +02:00
LICENSE Add a copy of OpenBSD's sys/queue.h as tor_queue.h 2012-10-12 17:18:14 -04:00
Makefile.am Simplify list of files that get whitespace-checked 2012-10-12 17:16:20 -04:00
Makefile.nmake Initial patch to build Tor with msvc and nmake 2011-08-01 12:36:59 -04:00
README we have two faqs for now 2010-02-22 00:41:48 -05:00
ReleaseNotes forward-port the 0.2.3.25 changelog and release notes 2012-11-20 03:46:56 -05:00

Tor protects your privacy on the internet by hiding the connection
between your Internet address and the services you use. We believe Tor
is reasonably secure, but please ensure you read the instructions and
configure it properly.

To build Tor from source:
        ./configure && make && make install

Home page:
        https://www.torproject.org/

Download new versions:
        https://www.torproject.org/download.html

Documentation, including links to installation and setup instructions:
        https://www.torproject.org/documentation.html

Making applications work with Tor:
        https://wiki.torproject.org/noreply/TheOnionRouter/TorifyHOWTO

Frequently Asked Questions:
        https://www.torproject.org/faq.html
        https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ