iTextSharp.text.pdf.security.PrivateKeySignature.Sign C# (CSharp) Метод

        public virtual byte[] Sign(byte[] b)
        {
            String signMode = hashAlgorithm + "with" + encryptionAlgorithm;
            ISigner sig = SignerUtilities.GetSigner(signMode);
            sig.Init(true, pk);
            sig.BlockUpdate(b, 0, b.Length);
            return sig.GenerateSignature();
        }