From: Trevor Perrin (tperrin_at_[hidden])
Date: 2001-04-28 15:57:37
crypto++ (http://www.eskimo.com/~weidai/cryptlib.html) is also a very good
free class library of "cryptographic schemes" (symmetric and public-key
algorithms, hashes, random number generation, "algebraic structures",
compression and text encoding, etc..).
-----Original Message-----
From: Gerhard Wesp
To: boost_at_[hidden]
Cc: Gerhard Wesp
Sent: 4-28-01 5:58 AM
Subject: [boost] Interest in cryptographic algorithms?
Good afternoon,
I have an implementation of Rijndael, the new AES
(http://csrc.nist.gov/encryption/aes/) and would gladly contribute it to
boost if there is interest (and the necessary changes aren't too much
work :-).
Currently, the interface basically looks like:
struct rijndael {
// 8 bit and 32 bit unsigned types; modify the definition if
// necessary!
typedef unsigned char byte ;
typedef unsigned int word ;
// block_length is in bits and must be 128, 192, or 256
//
// key.size() must be 16, 24, or 32, corresponding to 128, 192, or 256
// key bits. The number of key bits is independent of the block
// length!
//
// Note that in the AES draft standard as of March 2001, only 128 bit
// data blocks are allowed.
rijndael( unsigned block_length , std::vector< byte > const& key ) ;
// the destructor clears sensitive data before releasing the memory
~rijndael() ;
// encryption and decryption works with in-place buffers
void encrypt( std::vector< byte >& buffer ) const ;
void decrypt( std::vector< byte >& buffer ) const ;
// ...
} ;
The implementation can be downloaded from my homepage,
http://www.cosy.sbg.ac.at/~gwesp/
I'm looking forward to your comments!
best regards,
-g
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