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String encryption

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  • 11-09-2007 6:02pm
    #1
    CelloPoint
    Closed Accounts Posts: 45 ✭


    Hey,

    Anyone out there know how to encrypt a string in C#, compact framework, visual studio 2005?

    I'm trying to write a function something like:
    /*To be written in C#, Visual Studio 2005, Compact Framework*/
private string encrypt(string plaintext_string){
	string public_key="blah...blah...blah";	//public key
	
	...	//magic
	
	return encrypted_string;
}

    I'm also trying to write encrypt/decrypt functions in PHP:
    /*To be written in PHP, version 4.4.7, mcrypt enabled*/
function decrypt(string encrypted_string){
	File private_key=new File("/path/to/private/key/");	//private key stored in a secure directory (e.g. .htaccess)
	
	...   //magic

	private_key.destroy();		//somehow remove private key from memory once you're finished using it
	return decrypted_string;
}

function encrypt(string plaintext_string){
	string public_key="blah...blah...blah";
	
	...	//magic

	return encrypted_string;
}


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