Java

Decrypt a .p7m File (using a PFX)

See more Encryption Examples

_LANGUAGE_ sample code showing how to decrypt a .p7m using a .p12 / .pfx certificate w/ private key. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Crypt2;

public class ChilkatExample {

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

        Crypt2 crypt = new Crypt2();

        // Use a digital certificate and private key from a PFX file (.pfx or .p12).
        String pfxPath = "myCertAndKey.pfx";
        String pfxPassword = "test123";

        try {
            crypt.addPfxSourceFile(pfxPath, pfxPassword);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Set the  outPath to whatever is appropriate.
        // If you are decrypting a PDF, your output might be "out.pdf"...
        String inPath = "smime.p7m";
        String outPath = "original.txt";

        // Indicate that we're doing public key decryption (i.e. PKCS7)
        crypt.setCryptAlgorithm("pki");

        try {
            crypt.ckDecryptFile(inPath, outPath);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Success.");
    }
}