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(C#) Decrypt2Demonstrates how to decrypt MIME using a certificate and private key where the certificate and its corresponding private key are stored in separate files -- a .cer for the certificate, and a .pem for the private key.
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Mime mime = new Chilkat.Mime(); // Load the certificate from a .cer file. Chilkat.Cert cert = new Chilkat.Cert(); bool success = cert.LoadFromFile("aaworkarea/myCert.cer"); if (success == false) { Debug.WriteLine(cert.LastErrorText); return; } // Load the private key from an encrypted PEM file. // (A private key can be loaded from other file formats also..) Chilkat.PrivateKey privKey = new Chilkat.PrivateKey(); success = privKey.LoadEncryptedPemFile("aaworkarea/myPrivateKey.pem","myPassword"); if (success == false) { Debug.WriteLine(privKey.LastErrorText); return; } success = mime.LoadMimeFile("aaworkarea/encryptedMime.txt"); if (success == false) { Debug.WriteLine(mime.LastErrorText); return; } // Decrypt using the cert and associated private key success = mime.Decrypt2(cert,privKey); if (success == false) { Debug.WriteLine(mime.LastErrorText); return; } // Save the S/MIME to a file. success = mime.SaveMime("aaworkarea/decryptedMime.txt"); if (success == false) { Debug.WriteLine(mime.LastErrorText); return; } Debug.WriteLine("success!"); |
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