Exemplos de System.Security.Cryptography.Pkcs.SignedCms.CheckSignature em C# (CSharp)

Exemplo n.º 1

Arquivo: NativePkcs7EncryptionHandler.cs Projeto: dataline-gmbh/ExtraStandard

        /// <inheritdoc />
        public byte[] Decrypt(byte[] data)
        {
            try
            {
                var env = new System.Security.Cryptography.Pkcs.EnvelopedCms();
                env.Decode(data);
                env.Decrypt(_allSenderCertificates);

                var decryptedData = env.ContentInfo.Content;
                var sig = new System.Security.Cryptography.Pkcs.SignedCms();
                sig.Decode(decryptedData);
                sig.CheckSignature(true);

                var verifiedData = sig.ContentInfo.Content;

                return verifiedData;
            }
            catch (Exception ex)
            {
                throw new ExtraEncryptionException("No certificate for decryption found.", ex);
            }
        }

Exemplo n.º 2

        /// <inheritdoc />
        public byte[] Decrypt(byte[] data)
        {
            try
            {
                var env = new System.Security.Cryptography.Pkcs.EnvelopedCms();
                env.Decode(data);
                env.Decrypt(_allSenderCertificates);

                var decryptedData = env.ContentInfo.Content;
                var sig           = new System.Security.Cryptography.Pkcs.SignedCms();
                sig.Decode(decryptedData);
                sig.CheckSignature(true);

                var verifiedData = sig.ContentInfo.Content;

                return(verifiedData);
            }
            catch (Exception ex)
            {
                throw new ExtraEncryptionException("No certificate for decryption found.", ex);
            }
        }