https://github.com/cjpatton/aez

AEZ v3, Robust authenticated encryption.
https://github.com/cjpatton/aez

cryptography

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AEZ v3, Robust authenticated encryption.

• Host: GitHub
• URL: https://github.com/cjpatton/aez
• Owner: cjpatton
• Created: 2014-12-26T20:28:19.000Z (almost 10 years ago)
• Default Branch: master
• Last Pushed: 2017-07-05T17:38:00.000Z (over 7 years ago)
• Last Synced: 2024-10-04T21:48:14.517Z (about 1 month ago)
• Topics: cryptography
• Language: C
• Homepage: http://web.cs.ucdavis.edu/~rogaway/aez
• Size: 71.3 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
An implementation of AEZ v3, an authenticated encryption scheme designed by

Viet Tung Hoang, Ted Krovetz, and Phil Rogaway. AEZ is a submission in the

CAESAR crypto competition.

![#b8b8b8](https://placehold.it/15/b8b8b8/000000?text=+) **DEPRECATION NOTICE:**

The authors of the standard have deprecated this version of the AEZ standard.

See [Phil's website](http://web.cs.ucdavis.edu/~rogaway/aez) for the latest

version, including Ted's implementation.

The code builds for three different architectures: 32-bit x86 (default), 64-bit

x86, and 64-bit x86 with support for AES-NI. For example, to build benchmarks

for AES-NI, do

```

$ make bm arch=aes-ni

```

To build for 64-bit systems, use `arch=x64`. Running `make` without this

argument defaults to 32-bit.

This directory also contains a simple wrapper for Python based on Ctypes.  First

build a shared library and add it to the library path. On Linux:

```

$ make lib arch=aes-ni

$ sudo cp libaez.so /usr/local/lib

$ sudo ldconfig

```

Next, install the wrapper:

```

$ sudo python setup.py install

```

AEZ should now be accesible in Python:

```

$ python

>>> import aez

>>> K = 'This is a key.'; N = 'This is a nonce.'

>>> A = ['This', 'is', ('some', 'fancy'), 1.61803, 'data.']

>>> C = aez.Encrypt('Hello, world!', K, N, A, abytes=3)

>>> repr(C)

"'USb\\x0b\\x00+\\xecQ\\xa1\\x84K\\xb1q\\xe3\\xc5t'"

>>> aez.Decrypt(C, K, N, A, abytes=3)

'Hello, world!'

```

This code matches the spec and reference code precisely, except the vector-

valued additional data `A` has at most 10 elements. (See `MAX_DATA` in aez.h.)

This was just to prevent extra malloc()'s in aez_hash() and aez_encrypt(). Find

the spect at web.cs.ucdavis.edu/~rogaway/aez/.

Copyright notice

----------------

This code is dedicated to the public domain.