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Java

Decrypt2

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Demonstrates 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.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.Cert;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Mime;
import com.chilkatsoft.chilkat2.PrivateKey;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Mime mime = new Mime();

        // Load the certificate from a .cer file.
        Cert cert = new Cert();
        try {
            cert.loadFromFile("aaworkarea/myCert.cer");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Load the private key from an encrypted PEM file.
        // (A private key can be loaded from other file formats also..)
        PrivateKey privKey = new PrivateKey();
        try {
            privKey.loadEncryptedPemFile("aaworkarea/myPrivateKey.pem", "myPassword");

            mime.loadMimeFile("aaworkarea/encryptedMime.txt");

            // Decrypt using the cert and associated private key
            mime.decrypt2(cert, privKey);

            // Save the S/MIME to a file.
            mime.saveMime("aaworkarea/decryptedMime.txt");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("success!");
    }
}