C# Class Crypto.CryptoManager

Encrypts un-ciphered data and decrypts ciphered data

based on the example demonstrating how to encrypt and decrypt sample data using the Aes class on MSDN http://msdn.microsoft.com/en-us/library/system.security.cryptography.aes.aes.aspx

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Public Methods

Method	Description
CryptoManager ( ) : System
DecryptAES ( byte cipheredPayload, CryptoLevel keysize = CryptoLevel.AES256 ) : byte[]	Decrypts a cyphered key and returns it as clear text
EncryptAES ( byte clearPayload, CryptoLevel keysize = CryptoLevel.AES256 ) : byte[]	Encrypts the un-cyphered data as an array of bytes
GenerateNonce ( Int32 length = 8 ) : byte[]	Generates a random value derived from a set of pre-defined alphanumeric characters.
SetEncryptionLevel ( CryptoLevel keysize = CryptoLevel.AES256 ) : void	Sets or resets the encryption level for the encryption instance

Private Methods

Method	Description
ConfigureCryptoInCode ( ) : void	Loads the crypto properties from hard-coded values. At this time, utilizing an encrypted app.config is not in the specifications.

Method Details

CryptoManager() public method

public CryptoManager ( ) : System
return	System

DecryptAES() public method

Decrypts a cyphered key and returns it as clear text

public DecryptAES ( byte cipheredPayload, CryptoLevel keysize = CryptoLevel.AES256 ) : byte[]
cipheredPayload	byte
keysize	CryptoLevel
return	byte[]

EncryptAES() public method

Encrypts the un-cyphered data as an array of bytes

public EncryptAES ( byte clearPayload, CryptoLevel keysize = CryptoLevel.AES256 ) : byte[]
clearPayload	byte	The un-ciphered data to be encrypted
keysize	CryptoLevel
return	byte[]

GenerateNonce() public method

Generates a random value derived from a set of pre-defined alphanumeric characters.

public GenerateNonce ( Int32 length = 8 ) : byte[]
length	System.Int32	The length of the random value string
return	byte[]

SetEncryptionLevel() public method

Sets or resets the encryption level for the encryption instance

public SetEncryptionLevel ( CryptoLevel keysize = CryptoLevel.AES256 ) : void
keysize	CryptoLevel	The encryption level as an CryptoLevel enum
return	void