FREE.UTIL
This summarises the utility classes stored for convenience in this seperate package since 1.1
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| AuthSys.java |
AuthSys uses the java.security package to implement a Message Authentication Code (MAC) system based on message digests.
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| Packet.java |
This is a class that defines the key data format for GNU.FREE. All data transmitted between GNU.FREE software is in a string representation of this data.
The GNU.FREE packet formatting is as follows:
1|222-22222-22222222|33333333
Where 1 is a single character setting the type of packet, 2 is the data region of unlimited length with fields separated by a hyphen and 3 is the Message Authentication Code (MAC) which is derived from a message digest and is used to prevent message tampering.
1 can be in one of the following states:
A Authorisation check
C Vote or total confirm
D Diagnostic packet
E Electoral roll check
I Protocol Initialisation
K Authorisation Key check
P PollManager ER check
S Set user as voted (sent by PollManager)
T Total for a party
Q Verification Query
V Vote packet
X End communication
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| RSAPKCS1.java |
Implements the PKCS#1 v1.5 style padding for RSA encryption.
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| RSAEncrypt.java |
This class provides the encryption and decryption services for RSA public/private keys. It also creates session keys and the offers the associated Blowfish encrypt/decrypt methods which are used in direct conjuction with the RSA code.
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| StringByteTools.java |
Because the GNU.FREE protocol is defined as being ASCII only we can optimise String <-> Byte conversions with methods faster than the Unicode compatible ones in the Java String implementation. These are provided in this file.
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