private void btnAsymmEncrypt_Click(object sender, EventArgs e)
{
AsymmetricCrypto crypto = new AsymmetricCrypto();
// 產生公鑰與私鑰
AsymmetricCrypto.PublicKey pubKey = new AsymmetricCrypto.PublicKey();
AsymmetricCrypto.PrivateKey priKey = new AsymmetricCrypto.PrivateKey();
crypto.GenerateNewKeyset(ref pubKey, ref priKey);
// 用公鑰加密
ByteArray inputData = new ByteArray(txtRawData.Text);
ByteArray encrypted = crypto.Encrypt(inputData, pubKey);
txtAsymmEncrypted.Text = encrypted.Base64String;
// 用私鑰解密
ByteArray decrypted = crypto.Decrypt(encrypted, priKey);
txtAsymmDecrypted.Text = decrypted.Text;
}
public void AsymmetricCrypto_RsaEncryption()
{
string privateKey;
string publicKey;
byte[] plainText = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 };
byte[] encrypted;
byte[] decrypted;
try
{
privateKey = AsymmetricCrypto.CreatePrivateKey(CryptoAlgorithm.RSA, 1024);
publicKey = AsymmetricCrypto.GetPublicKey(CryptoAlgorithm.RSA, privateKey);
encrypted = AsymmetricCrypto.Encrypt(CryptoAlgorithm.RSA, publicKey, plainText);
CollectionAssert.AreNotEqual(encrypted, plainText);
decrypted = AsymmetricCrypto.Decrypt(CryptoAlgorithm.RSA, privateKey, encrypted);
CollectionAssert.AreEqual(plainText, decrypted);
encrypted = AsymmetricCrypto.Encrypt(CryptoAlgorithm.RSA, privateKey, plainText);
Assert.AreNotEqual(encrypted, plainText);
decrypted = AsymmetricCrypto.Decrypt(CryptoAlgorithm.RSA, privateKey, encrypted);
CollectionAssert.AreEqual(plainText, decrypted);
AsymmetricCrypto.SaveKey(CryptoAlgorithm.RSA, KeyContainer, null, privateKey);
encrypted = AsymmetricCrypto.Encrypt(CryptoAlgorithm.RSA, KeyContainer, plainText);
CollectionAssert.AreNotEqual(encrypted, plainText);
decrypted = AsymmetricCrypto.Decrypt(CryptoAlgorithm.RSA, KeyContainer, encrypted);
CollectionAssert.AreEqual(plainText, decrypted);
encrypted = AsymmetricCrypto.Encrypt(CryptoAlgorithm.RSA, KeyContainer, plainText);
CollectionAssert.AreNotEqual(encrypted, plainText);
decrypted = AsymmetricCrypto.Decrypt(CryptoAlgorithm.RSA, KeyContainer, encrypted);
CollectionAssert.AreEqual(plainText, decrypted);
}
finally
{
AsymmetricCrypto.DeleteKey(CryptoAlgorithm.RSA, KeyContainer, null);
}
}
