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(C# UWP/WinRT) Generate RSA Key and Export to Encrypted PEM

C# UWP/WinRT sample showing how to generate an RSA key and export to encrypted PEM.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Rsa rsa = new Chilkat.Rsa();

// Generate a 1024-bit key.  Chilkat RSA supports
// key sizes ranging from 512 bits to 4096 bits.
bool success = rsa.GenerateKey(1024);
if (success != true) {
    Debug.WriteLine(rsa.LastErrorText);
    return;
}

// Get the private key as unencrypted XML:
string keyXml = rsa.ExportPrivateKey();
Debug.WriteLine(keyXml);

// To encrypt the key -- meaning to get the key in
// an encrypted PEM format -- load it into a PrivateKey object,
// and then export to encrypted PEM:
Chilkat.PrivateKey privKey = new Chilkat.PrivateKey();

success = privKey.LoadXml(keyXml);
if (success != true) {
    Debug.WriteLine(privKey.LastErrorText);
    return;
}

string strEncPem;

strEncPem = privKey.GetPkcs8EncryptedPem("myPassword");

// You now have the private key in an encrypted format,
// which may be (for example) saved to a database

 

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