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(Mono C#) RSA Sign Using Private Key from .pfx/.p12 to Base64 SignatureSee more RSA ExamplesDemonstrates how to RSA sign something using a private key loaded from a .pfx/.p12. The RSA signature is returned in Base64 encoded format.
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Rsa rsa = new Chilkat.Rsa(); // Load the .pfx/.p12 Chilkat.Pfx pfx = new Chilkat.Pfx(); bool success = pfx.LoadPfxFile("qa_data/pfx/myKey.p12","myPassword"); if (success != true) { Debug.WriteLine(pfx.LastErrorText); return; } // Get the default private key. Chilkat.PrivateKey privKey = pfx.GetPrivateKey(0); if (pfx.LastMethodSuccess != true) { Debug.WriteLine(pfx.LastErrorText); return; } // Import the private key into the RSA component: success = rsa.ImportPrivateKeyObj(privKey); if (success != true) { Debug.WriteLine(rsa.LastErrorText); return; } // Get the signature in base64 rsa.EncodingMode = "base64"; string strData = "This is the string to be signed."; // Sign the string using the sha256 hash algorithm. // Other valid choices are "sha384", "sha512", "sha-1", "md2" and "md5". string base64Sig = rsa.SignStringENC(strData,"sha256"); Debug.WriteLine(base64Sig); Debug.WriteLine("Success!"); |
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