NoteFly.RSAVerify Class Reference

This class can be used to verify a file or string with the NoteFly public key to check if the file or data is really coming from the developer who owns the NoteFly private key. More...

Public Member Functions
	RSAVerify ()
	Initializes a new instance of the RSAVerify class. More...
bool	CheckFileSignatureAndDisplayErrors (string filepath, string signature)
	Check a signature for a file and display a error if signature is invalid. More...
bool	CheckSignatureFilehash (string filepath, string signature)
	Check a signature for a hash of a file. More...

Private Member Functions
bool	IsValidSignature (string data, object hashinsignatureused, string signature)
	Check data and with the signature. More...
string	Sha256file (string file)
	Generate a SHA 256 hash for a file. More...

Private Attributes
const int	RSAKETSIZE = 3072
	The RSA NoteFly keysize used. More...
const string	XMLRSAPUBLICKEY = "<RSAKeyValue><Modulus>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</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>"
	The RSA NoteFly public key. More...
RSACryptoServiceProvider	rsaCryptoServiceProvider = null
	RSACryptoServiceProvider More...

Detailed Description

No RSA encryption is being used, only RSA signature checking is used. Patent on RSA is waived after 6, 2000. source: http://www.rsa.com/rsalabs/node.asp?id=2322

Constructor & Destructor Documentation

NoteFly.RSAVerify.RSAVerify

(

)

Member Function Documentation

bool NoteFly.RSAVerify.CheckFileSignatureAndDisplayErrors	(	string	filepath,
		string	signature
	)

Parameters

filepath

The full file path to the file to check the signature from.

Returns

True if RSA signature of hash of file is valid for a file.

bool NoteFly.RSAVerify.CheckSignatureFilehash	(	string	filepath,
		string	signature
	)

Parameters

filepath

The full file path to the file to check the signature from the hash of the file.

Returns

True if the hash of the file is valid by the signature

bool NoteFly.RSAVerify.IsValidSignature ( string  data, object  hashinsignatureused, string  signature  )

private

Parameters

data	The data to check the signature from.
hashinsignatureused	The signature of the hash.

Returns

True if the signature is valid for the data.

string NoteFly.RSAVerify.Sha256file ( string  file )

private

Parameters

file	The full file path to create the hash from.

Returns

The SHA256 hash as string

Member Data Documentation

RSACryptoServiceProvider NoteFly.RSAVerify.rsaCryptoServiceProvider = null

private

const int NoteFly.RSAVerify.RSAKETSIZE = 3072

private

const string NoteFly.RSAVerify.XMLRSAPUBLICKEY = "<RSAKeyValue><Modulus>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</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>"

private