/// <summary> /// GetPublicKeyBytes /// </summary> /// <param name="publicText">The certificate or public key text.</param> /// <returns>byte array</returns> protected byte[] GetPublicKeyBytes([NotNull] string publicText) { if (publicText == null) { throw new ArgumentNullException(nameof(publicText)); } string text = publicText.Trim(); if (text.StartsWith(PublicKeyHeader) && text.EndsWith(PublicKeyFooter)) { return(TextUtil.ExtractBytes(text, PublicKeyHeader, PublicKeyFooter)); } if (text.StartsWith(PublicCertificateHeader) && text.EndsWith(PublicCertificateFooter)) { return(TextUtil.ExtractBytes(text, PublicCertificateHeader, PublicCertificateFooter)); } throw new NotSupportedException(); }