public override bool VerifySignature(byte[] documentToSign, byte[] signature, string publicKey)
{
var pubKey = BouncyKeyFactory.FromPublicKeyString(publicKey);
var signer = SignerUtilities.GetSigner(signatureAlgorithm);
signer.Init(false, pubKey);
signer.BlockUpdate(documentToSign, 0, documentToSign.Length);
return(signer.VerifySignature(signature));
}
public override byte[] Sign(byte[] documentToSign, string privateKey, string passPhrase)
{
var privKey = BouncyKeyFactory.FromEncryptedPrivateKeyString(privateKey, passPhrase);
var signer = SignerUtilities.GetSigner(signatureAlgorithm);
signer.Init(true, privKey);
signer.BlockUpdate(documentToSign, 0, documentToSign.Length);
var signature = signer.GenerateSignature();
return(signature);
}
/// <summary>
/// Gets the DER encoded public key.
/// </summary>
/// <returns>The public key.</returns>
public override string ToPublicKeyString()
{
return(BouncyKeyFactory.ToPublicKeyString(keyPair.Public));
}
/// <summary>
/// Gets the encrypted and DER encoded private key.
/// </summary>
/// <param name="passPhrase">The pass phrase to encrypt the private key.</param>
/// <returns>The encrypted private key.</returns>
public override string ToEncryptedPrivateKeyString(string passPhrase)
{
return(BouncyKeyFactory.ToEncryptedPrivateKeyString(keyPair.Private, passPhrase));
}