C# Class FlexiWebSDK.Crypto.BlowfishCrypt

Inheritance: ICryptProvider

Show file Open project: FlexiDB/PublicCSharpLib

Public Methods

Method	Description
BlowfishCrypt ( ) : System
BlowfishCrypt ( byte cipherKey ) : System	Constructor for byte key
BlowfishCrypt ( string hexKey ) : System	Constructor for hex key
Crypt_CTR ( byte text, int numThreads ) : byte[]
Decrypt ( string ct ) : string
Decrypt_CBC ( byte ct ) : byte[]	Decrypts a byte array in CBC mode. IV must be created and saved manually.
Decrypt_CBC ( string ct ) : string	Decrypts a string in CBC mode
Decrypt_CTR ( string ct ) : string	Decrypt a string (CTR)
Decrypt_ECB ( byte ct ) : byte[]	Decrypts a byte array (ECB)
Decrypt_ECB ( string ct ) : string	Decrypts a string (ECB)
Encrypt ( string pt ) : string
Encrypt_CBC ( byte pt ) : byte[]	Encrypts a byte array in CBC mode. IV must be created and saved manually.
Encrypt_CBC ( string pt ) : string	Encrypts a string in CBC mode
Encrypt_CTR ( string pt ) : string	Encrypts a string (CTR)
Encrypt_ECB ( byte pt ) : byte[]	Encrypts a byte array in ECB mode
Encrypt_ECB ( string pt ) : string	Encrypt a string in ECB mode
SetKey ( byte key ) : void
SetKey ( string key ) : void
SetRandomIV ( ) : byte[]	Creates and sets a random initialization vector.

Private Methods

Method	Description
BlockDecrypt ( byte &block ) : void	Decrypts a 64 bit block
BlockEncrypt ( byte &block ) : void	Encrypts a 64 bit block
ByteToHex ( byte bytes ) : string
Crypt_CBC ( byte text, bool decrypt ) : byte[]	Encrypts or decrypts data in CBC mode
Crypt_ECB ( byte text, bool decrypt ) : byte[]	Encrypts or decrypts data in ECB mode
GetBlock ( byte &block ) : void	Converts the two uint values into a 64 bit block
GetHex ( char x ) : byte
HexToByte ( string hex ) : byte[]
SetBlock ( byte block ) : void	Splits the block into the two uint values
SetupKey ( byte cipherKey ) : void	Sets up the S-blocks and the key
SetupP ( ) : uint[]
SetupS0 ( ) : uint[]
SetupS1 ( ) : uint[]
SetupS2 ( ) : uint[]
SetupS3 ( ) : uint[]
XorBlock ( byte &block, byte iv ) : void	XoR encrypts two 8 bit blocks
decipher ( ) : void	Runs the blowfish algorithm in reverse (standard 16 rounds)
encipher ( ) : void	Runs the blowfish algorithm (standard 16 rounds)
round ( uint a, uint b, uint n ) : uint	one round of the blowfish algorithm
wordByte0 ( uint w ) : byte
wordByte1 ( uint w ) : byte
wordByte2 ( uint w ) : byte
wordByte3 ( uint w ) : byte

Method Details

BlowfishCrypt() public method

public BlowfishCrypt ( ) : System
return	System

BlowfishCrypt() public method

Constructor for byte key

public BlowfishCrypt ( byte cipherKey ) : System
cipherKey	byte	Cipher key as a byte array
return	System

BlowfishCrypt() public method

Constructor for hex key

public BlowfishCrypt ( string hexKey ) : System
hexKey	string	Cipher key as a hex string
return	System

Crypt_CTR() public method

public Crypt_CTR ( byte text, int numThreads ) : byte[]
text	byte
numThreads	int
return	byte[]

Decrypt() public method

public Decrypt ( string ct ) : string
ct	string
return	string

Decrypt_CBC() public method

Decrypts a byte array in CBC mode. IV must be created and saved manually.

public Decrypt_CBC ( byte ct ) : byte[]
ct	byte	Ciphertext data to decrypt
return	byte[]

Decrypt_CBC() public method

Decrypts a string in CBC mode

public Decrypt_CBC ( string ct ) : string
ct	string	Ciphertext with IV appended to front
return	string

Decrypt_CTR() public method

Decrypt a string (CTR)

public Decrypt_CTR ( string ct ) : string
ct	string	The ciphertext to decrypt
return	string

Decrypt_ECB() public method

Decrypts a byte array (ECB)

public Decrypt_ECB ( byte ct ) : byte[]
ct	byte	Ciphertext byte array
return	byte[]

Decrypt_ECB() public method

Decrypts a string (ECB)

public Decrypt_ECB ( string ct ) : string
ct	string	hHex string of the ciphertext
return	string

Encrypt() public method

public Encrypt ( string pt ) : string
pt	string
return	string

Encrypt_CBC() public method

Encrypts a byte array in CBC mode. IV must be created and saved manually.

public Encrypt_CBC ( byte pt ) : byte[]
pt	byte	Plaintext data to encrypt
return	byte[]

Encrypt_CBC() public method

Encrypts a string in CBC mode

public Encrypt_CBC ( string pt ) : string
pt	string	Plaintext data to encrypt
return	string

Encrypt_CTR() public method

Encrypts a string (CTR)

public Encrypt_CTR ( string pt ) : string
pt	string	The plaintext to encrypt
return	string

Encrypt_ECB() public method

Encrypts a byte array in ECB mode

public Encrypt_ECB ( byte pt ) : byte[]
pt	byte	Plaintext data
return	byte[]

Encrypt_ECB() public method

Encrypt a string in ECB mode

public Encrypt_ECB ( string pt ) : string
pt	string	Plaintext to encrypt as ascii string
return	string

SetKey() public method

public SetKey ( byte key ) : void
key	byte
return	void

SetKey() public method

public SetKey ( string key ) : void
key	string
return	void

SetRandomIV() public method

Creates and sets a random initialization vector.

public SetRandomIV ( ) : byte[]
return	byte[]