/// <summary> /// Decrypt the content. /// </summary> /// <returns>The decrypted <see cref="MimeKit.MimeEntity"/>.</returns> /// <exception cref="System.InvalidOperationException"> /// The "smime-type" parameter on the Content-Type header does not support decryption. /// </exception> public MimeEntity Decrypt() { // FIXME: find out what exceptions BouncyCastle can throw... using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) { return(Decrypt(ctx)); } }
/// <summary> /// Compresses the specified entity. /// </summary> /// <remarks> /// <para>Compresses the specified entity using the default <see cref="SecureMimeContext"/>.</para> /// <note type="warning">Most mail clients, even among those that support S/MIME, do not support compression.</note> /// </remarks> /// <returns>The compressed entity.</returns> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <paramref name="entity"/> is <c>null</c>. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime Compress(MimeEntity entity) { if (entity == null) { throw new ArgumentNullException(nameof(entity)); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Compress(ctx, entity)); }
/// <summary> /// Decompress the compressed-data. /// </summary> /// <remarks> /// Decompresses the compressed-data using the default <see cref="SecureMimeContext"/>. /// </remarks> /// <returns>The decompressed <see cref="MimeKit.MimeEntity"/>.</returns> /// <exception cref="System.InvalidOperationException"> /// The "smime-type" parameter on the Content-Type header is not "compressed-data". /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public MimeEntity Decompress() { if (SecureMimeType != SecureMimeType.CompressedData && SecureMimeType != SecureMimeType.Unknown) { throw new InvalidOperationException(); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Decompress(ctx)); }
/// <summary> /// Asynchronously verify the multipart/signed part. /// </summary> /// <remarks> /// Verifies the multipart/signed part using the default cryptography context. /// </remarks> /// <returns>A signer info collection.</returns> /// <param name="cancellationToken">The cancellation token.</param> /// <exception cref="System.FormatException"> /// <para>The <c>protocol</c> parameter was not specified.</para> /// <para>-or-</para> /// <para>The multipart is malformed in some way.</para> /// </exception> /// <exception cref="System.NotSupportedException"> /// A cryptography context suitable for verifying the signature could not be found. /// </exception> /// <exception cref="System.OperationCanceledException"> /// The operation was cancelled via the cancellation token. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public Task <DigitalSignatureCollection> VerifyAsync(CancellationToken cancellationToken = default(CancellationToken)) { var protocol = ContentType.Parameters["protocol"]?.Trim(); if (string.IsNullOrEmpty(protocol)) { throw new FormatException("The multipart/signed part did not specify a protocol."); } using (var ctx = CryptographyContext.Create(protocol)) return(VerifyAsync(ctx, cancellationToken)); }
/// <summary> /// Decrypt this instance. /// </summary> /// <returns>The decrypted entity.</returns> /// <param name="signatures">A list of digital signatures if the data was both signed and encrypted.</param> /// <exception cref="System.FormatException"> /// <para>The <c>protocol</c> parameter was not specified.</para> /// <para>-or-</para> /// <para>The multipart is malformed in some way.</para> /// </exception> /// <exception cref="System.NotSupportedException"> /// A suitable <see cref="MimeKit.Cryptography.CryptographyContext"/> for /// decrypting could not be found. /// </exception> /// <exception cref="System.OperationCanceledException"> /// The user chose to cancel the password prompt. /// </exception> /// <exception cref="System.UnauthorizedAccessException"> /// 3 bad attempts were made to unlock the secret key. /// </exception> public MimeEntity Decrypt(out IList <IDigitalSignature> signatures) { var protocol = ContentType.Parameters["protocol"]; if (string.IsNullOrEmpty(protocol)) { throw new FormatException(); } protocol = protocol.Trim().ToLowerInvariant(); if (Count < 2) { throw new FormatException(); } var version = this[0] as MimePart; if (version == null) { throw new FormatException(); } var ctype = version.ContentType; var value = string.Format("{0}/{1}", ctype.MediaType, ctype.MediaSubtype); if (value.ToLowerInvariant() != protocol) { throw new FormatException(); } var encrypted = this[1] as MimePart; if (encrypted == null || encrypted.ContentObject == null) { throw new FormatException(); } if (!encrypted.ContentType.Matches("application", "octet-stream")) { throw new FormatException(); } using (var ctx = CryptographyContext.Create(protocol)) { using (var memory = new MemoryStream()) { encrypted.ContentObject.DecodeTo(memory); memory.Position = 0; return(ctx.Decrypt(memory, out signatures)); } } }
/// <summary> /// Cryptographically signs the specified entity. /// </summary> /// <remarks> /// <para>Signs the entity using the supplied signer and the default <see cref="SecureMimeContext"/>.</para> /// <para>For better interoperability with other mail clients, you should use /// <see cref="MultipartSigned.Create(SecureMimeContext, CmsSigner, MimeEntity)"/> /// instead as the multipart/signed format is supported among a much larger /// subset of mail client software.</para> /// </remarks> /// <returns>The signed entity.</returns> /// <param name="signer">The signer.</param> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime Sign(CmsSigner signer, MimeEntity entity) { if (signer == null) { throw new ArgumentNullException(nameof(signer)); } if (entity == null) { throw new ArgumentNullException(nameof(entity)); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Sign(ctx, signer, entity)); }
/// <summary> /// Encrypts the specified entity. /// </summary> /// <remarks> /// Encrypts the entity to the specified recipients using the default <see cref="SecureMimeContext"/>. /// </remarks> /// <returns>The encrypted entity.</returns> /// <param name="recipients">The recipients.</param> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.ArgumentException"> /// Valid certificates could not be found for one or more of the <paramref name="recipients"/>. /// </exception> /// <exception cref="CertificateNotFoundException"> /// A certificate could not be found for one or more of the <paramref name="recipients"/>. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime Encrypt(IEnumerable <MailboxAddress> recipients, MimeEntity entity) { if (recipients == null) { throw new ArgumentNullException(nameof(recipients)); } if (entity == null) { throw new ArgumentNullException(nameof(entity)); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Encrypt(ctx, recipients, entity)); }
/// <summary> /// Verifies the multipart/signed part. /// </summary> /// <remarks> /// Verifies the multipart/signed part using the default cryptography context. /// </remarks> /// <returns>A signer info collection.</returns> /// <exception cref="System.FormatException"> /// <para>The <c>protocol</c> parameter was not specified.</para> /// <para>-or-</para> /// <para>The multipart is malformed in some way.</para> /// </exception> /// <exception cref="System.NotSupportedException"> /// A cryptography context suitable for verifying the signature could not be found. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public DigitalSignatureCollection Verify() { var protocol = ContentType.Parameters["protocol"]; if (string.IsNullOrEmpty(protocol)) { throw new FormatException("The multipart/signed part did not specify a protocol."); } protocol = protocol.Trim().ToLowerInvariant(); using (var ctx = CryptographyContext.Create(protocol)) { return(Verify(ctx)); } }
/// <summary> /// Cryptographically signs the specified entity. /// </summary> /// <remarks> /// <para>Signs the entity using the supplied signer, digest algorithm and the default /// <see cref="SecureMimeContext"/>.</para> /// <para>For better interoperability with other mail clients, you should use /// <see cref="MultipartSigned.Create(SecureMimeContext, CmsSigner, MimeEntity)"/> /// instead as the multipart/signed format is supported among a much larger /// subset of mail client software.</para> /// </remarks> /// <returns>The signed entity.</returns> /// <param name="signer">The signer.</param> /// <param name="digestAlgo">The digest algorithm to use for signing.</param> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="CertificateNotFoundException"> /// A signing certificate could not be found for <paramref name="signer"/>. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime Sign(MailboxAddress signer, DigestAlgorithm digestAlgo, MimeEntity entity) { if (signer == null) { throw new ArgumentNullException(nameof(signer)); } if (entity == null) { throw new ArgumentNullException(nameof(entity)); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Sign(ctx, signer, digestAlgo, entity)); }
/// <summary> /// Encrypts the specified entity. /// </summary> /// <remarks> /// Encrypts the entity to the specified recipients using the default <see cref="SecureMimeContext"/>. /// </remarks> /// <returns>The encrypted entity.</returns> /// <param name="recipients">The recipients.</param> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime Encrypt(CmsRecipientCollection recipients, MimeEntity entity) { if (recipients == null) { throw new ArgumentNullException("recipients"); } if (entity == null) { throw new ArgumentNullException("entity"); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) { return(Encrypt(ctx, recipients, entity)); } }
/// <summary> /// Creates a new <see cref="MultipartEncrypted"/>. /// </summary> /// <remarks> /// Encrypts the entity to the specified recipients, encapsulating the result in a /// new multipart/encrypted part. /// </remarks> /// <returns>A new <see cref="MimeKit.Cryptography.MultipartEncrypted"/> instance containing /// the encrypted version of the specified entity.</returns> /// <param name="recipients">The recipients for the encrypted entity.</param> /// <param name="entity">The entity to sign and encrypt.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.ArgumentException"> /// One or more of the recipient keys cannot be used for encrypting. /// </exception> /// <exception cref="System.NotSupportedException"> /// A default <see cref="OpenPgpContext"/> has not been registered. /// </exception> public static MultipartEncrypted Create(IEnumerable <PgpPublicKey> recipients, MimeEntity entity) { if (recipients == null) { throw new ArgumentNullException("recipients"); } if (entity == null) { throw new ArgumentNullException("entity"); } using (var ctx = (OpenPgpContext)CryptographyContext.Create("application/pgp-encrypted")) { return(Create(ctx, recipients, entity)); } }
/// <summary> /// Cryptographically signs and encrypts the specified entity. /// </summary> /// <remarks> /// Cryptographically signs entity using the supplied signer and the default <see cref="SecureMimeContext"/> /// and then encrypts the result to the specified recipients. /// </remarks> /// <returns>The signed and encrypted entity.</returns> /// <param name="signer">The signer.</param> /// <param name="recipients">The recipients.</param> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime SignAndEncrypt(CmsSigner signer, CmsRecipientCollection recipients, MimeEntity entity) { if (signer == null) { throw new ArgumentNullException(nameof(signer)); } if (recipients == null) { throw new ArgumentNullException(nameof(recipients)); } if (entity == null) { throw new ArgumentNullException(nameof(entity)); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(SignAndEncrypt(ctx, signer, recipients, entity)); }
/// <summary> /// Cryptographically signs and encrypts the specified entity. /// </summary> /// <remarks> /// Cryptographically signs entity using the supplied signer and then /// encrypts the result to the specified recipients. /// </remarks> /// <returns>The signed and encrypted entity.</returns> /// <param name="signer">The signer.</param> /// <param name="digestAlgo">The digest algorithm to use for signing.</param> /// <param name="recipients">The recipients.</param> /// <param name="entity">The entity.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="CertificateNotFoundException"> /// <para>A signing certificate could not be found for <paramref name="signer"/>.</para> /// <para>-or-</para> /// <para>A certificate could not be found for one or more of the <paramref name="recipients"/>.</para> /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static ApplicationPkcs7Mime SignAndEncrypt(MailboxAddress signer, DigestAlgorithm digestAlgo, IEnumerable <MailboxAddress> recipients, MimeEntity entity) { if (signer == null) { throw new ArgumentNullException("signer"); } if (recipients == null) { throw new ArgumentNullException("recipients"); } if (entity == null) { throw new ArgumentNullException("entity"); } using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) { return(SignAndEncrypt(ctx, signer, digestAlgo, recipients, entity)); } }
/// <summary> /// Creates a new <see cref="MultipartEncrypted"/>. /// </summary> /// <remarks> /// Signs the entity using the supplied signer and digest algorithm and then encrypts to /// the specified recipients, encapsulating the result in a new multipart/encrypted part. /// </remarks> /// <returns>A new <see cref="MimeKit.Cryptography.MultipartEncrypted"/> instance containing /// the signed and encrypted version of the specified entity.</returns> /// <param name="signer">The signer to use to sign the entity.</param> /// <param name="digestAlgo">The digest algorithm to use for signing.</param> /// <param name="cipherAlgo">The encryption algorithm.</param> /// <param name="recipients">The recipients for the encrypted entity.</param> /// <param name="entity">The entity to sign and encrypt.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.ArgumentException"> /// <para><paramref name="signer"/> cannot be used for signing.</para> /// <para>-or-</para> /// <para>One or more of the recipient keys cannot be used for encrypting.</para> /// <para>-or-</para> /// <para>No recipients were specified.</para> /// </exception> /// <exception cref="System.ArgumentOutOfRangeException"> /// The <paramref name="digestAlgo"/> was out of range. /// </exception> /// <exception cref="System.NotSupportedException"> /// <para>A default <see cref="OpenPgpContext"/> has not been registered.</para> /// <para>-or-</para> /// <para>The <paramref name="digestAlgo"/> is not supported.</para> /// <para>-or-</para> /// <para>The <paramref name="cipherAlgo"/> is not supported.</para> /// </exception> /// <exception cref="System.OperationCanceledException"> /// The user chose to cancel the password prompt. /// </exception> /// <exception cref="System.UnauthorizedAccessException"> /// 3 bad attempts were made to unlock the secret key. /// </exception> public static MultipartEncrypted Create(PgpSecretKey signer, DigestAlgorithm digestAlgo, EncryptionAlgorithm cipherAlgo, IEnumerable <PgpPublicKey> recipients, MimeEntity entity) { if (signer == null) { throw new ArgumentNullException("signer"); } if (recipients == null) { throw new ArgumentNullException("recipients"); } if (entity == null) { throw new ArgumentNullException("entity"); } using (var ctx = (OpenPgpContext)CryptographyContext.Create("application/pgp-encrypted")) { return(Create(ctx, signer, digestAlgo, cipherAlgo, recipients, entity)); } }
/// <summary> /// Creates a new <see cref="MimeKit.Cryptography.MultipartEncrypted"/> instance with the entity as the content. /// </summary> /// <returns>A new <see cref="MimeKit.Cryptography.MultipartEncrypted"/> instance containing /// the signed and encrypted version of the specified entity.</returns> /// <param name="signer">The signer to use to sign the entity.</param> /// <param name="digestAlgo">The digest algorithm to use for signing.</param> /// <param name="recipients">The recipients for the encrypted entity.</param> /// <param name="entity">The entity to sign and encrypt.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.NotSupportedException"> /// A default <see cref="OpenPgpContext"/> has not been registered. /// </exception> /// <exception cref="System.OperationCanceledException"> /// The user chose to cancel the password prompt. /// </exception> /// <exception cref="System.UnauthorizedAccessException"> /// 3 bad attempts were made to unlock the secret key. /// </exception> public static MultipartEncrypted Create(MailboxAddress signer, DigestAlgorithm digestAlgo, IEnumerable <MailboxAddress> recipients, MimeEntity entity) { if (signer == null) { throw new ArgumentNullException("signer"); } if (recipients == null) { throw new ArgumentNullException("recipients"); } if (entity == null) { throw new ArgumentNullException("entity"); } using (var ctx = CryptographyContext.Create("application/pgp-encrypted")) { using (var memory = new MemoryStream()) { var options = FormatOptions.Default.Clone(); options.NewLineFormat = NewLineFormat.Dos; PrepareEntityForEncrypting(entity); entity.WriteTo(options, memory); memory.Position = 0; var encrypted = new MultipartEncrypted(); encrypted.ContentType.Parameters["protocol"] = ctx.EncryptionProtocol; // add the protocol version part encrypted.Add(new ApplicationPgpEncrypted()); // add the encrypted entity as the second part encrypted.Add(ctx.SignAndEncrypt(signer, digestAlgo, recipients, memory)); return(encrypted); } } }
/// <summary> /// Creates a new <see cref="MimeKit.Cryptography.MultipartEncrypted"/> instance with the entity as the content. /// </summary> /// <returns>A new <see cref="MimeKit.Cryptography.MultipartEncrypted"/> instance containing /// the encrypted version of the specified entity.</returns> /// <param name="recipients">The recipients for the encrypted entity.</param> /// <param name="entity">The entity to sign and encrypt.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="recipients"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.NotSupportedException"> /// A default <see cref="OpenPgpContext"/> has not been registered. /// </exception> public static MultipartEncrypted Create(IEnumerable <MailboxAddress> recipients, MimeEntity entity) { if (recipients == null) { throw new ArgumentNullException("recipients"); } if (entity == null) { throw new ArgumentNullException("entity"); } using (var ctx = CryptographyContext.Create("application/pgp-encrypted")) { using (var memory = new MemoryStream()) { using (var filtered = new FilteredStream(memory)) { filtered.Add(new Unix2DosFilter()); PrepareEntityForEncrypting(entity); entity.WriteTo(filtered); filtered.Flush(); } memory.Position = 0; var encrypted = new MultipartEncrypted(); encrypted.ContentType.Parameters["protocol"] = ctx.EncryptionProtocol; // add the protocol version part encrypted.Add(new ApplicationPgpEncrypted()); // add the encrypted entity as the second part encrypted.Add(ctx.Encrypt(recipients, memory)); return(encrypted); } } }
/// <summary> /// Creates a new <see cref="MultipartSigned"/>. /// </summary> /// <remarks> /// Cryptographically signs the entity using the supplied signer in order /// to generate a detached signature and then adds the entity along with /// the detached signature data to a new multipart/signed part. /// </remarks> /// <returns>A new <see cref="MultipartSigned"/> instance.</returns> /// <param name="signer">The signer.</param> /// <param name="entity">The entity to sign.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.NotSupportedException"> /// A cryptography context suitable for signing could not be found. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public static MultipartSigned Create(CmsSigner signer, MimeEntity entity) { using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-signature")) return(Create(ctx, signer, entity)); }
/// <summary> /// Creates a new <see cref="MultipartSigned"/>. /// </summary> /// <remarks> /// Cryptographically signs the entity using the supplied signer and digest algorithm in /// order to generate a detached signature and then adds the entity along with the /// detached signature data to a new multipart/signed part. /// </remarks> /// <returns>A new <see cref="MultipartSigned"/> instance.</returns> /// <param name="signer">The signer.</param> /// <param name="digestAlgo">The digest algorithm to use for signing.</param> /// <param name="entity">The entity to sign.</param> /// <exception cref="System.ArgumentNullException"> /// <para><paramref name="signer"/> is <c>null</c>.</para> /// <para>-or-</para> /// <para><paramref name="entity"/> is <c>null</c>.</para> /// </exception> /// <exception cref="System.ArgumentException"> /// <paramref name="signer"/> cannot be used for signing. /// </exception> /// <exception cref="System.ArgumentOutOfRangeException"> /// The <paramref name="digestAlgo"/> was out of range. /// </exception> /// <exception cref="System.NotSupportedException"> /// <para>A cryptography context suitable for signing could not be found.</para> /// <para>-or-</para> /// <para>The <paramref name="digestAlgo"/> is not supported.</para> /// </exception> /// <exception cref="Org.BouncyCastle.Bcpg.OpenPgp.PgpException"> /// An error occurred in the OpenPGP subsystem. /// </exception> public static MultipartSigned Create(PgpSecretKey signer, DigestAlgorithm digestAlgo, MimeEntity entity) { using (var ctx = (OpenPgpContext)CryptographyContext.Create("application/pgp-signature")) return(Create(ctx, signer, digestAlgo, entity)); }
/// <summary> /// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>. /// </summary> /// <remarks> /// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>. /// </remarks> /// <returns>The list of digital signatures.</returns> /// <param name="entity">The unencapsulated entity.</param> /// <exception cref="System.InvalidOperationException"> /// The "smime-type" parameter on the Content-Type header is not "signed-data". /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public DigitalSignatureCollection Verify(out MimeEntity entity) { using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) { return(Verify(ctx, out entity)); } }
/// <summary> /// Decrypts the content. /// </summary> /// <remarks> /// Decrypts the content using the default <see cref="SecureMimeContext"/>. /// </remarks> /// <returns>The decrypted <see cref="MimeKit.MimeEntity"/>.</returns> /// <exception cref="System.InvalidOperationException"> /// The "smime-type" parameter on the Content-Type header is not "certs-only". /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public MimeEntity Decrypt() { using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) { return(Decrypt(ctx)); } }
/// <summary> /// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>. /// </summary> /// <remarks> /// Verifies the signed-data using the default <see cref="SecureMimeContext"/> and returns the /// unencapsulated <see cref="MimeKit.MimeEntity"/>. /// </remarks> /// <returns>The list of digital signatures.</returns> /// <param name="entity">The unencapsulated entity.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <exception cref="System.InvalidOperationException"> /// The "smime-type" parameter on the Content-Type header is not "signed-data". /// </exception> /// <exception cref="System.OperationCanceledException"> /// The operation was cancelled via the cancellation token. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public DigitalSignatureCollection Verify(out MimeEntity entity, CancellationToken cancellationToken = default(CancellationToken)) { using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Verify(ctx, out entity, cancellationToken)); }
/// <summary> /// Decrypt the enveloped-data. /// </summary> /// <remarks> /// Decrypts the enveloped-data using the default <see cref="SecureMimeContext"/>. /// </remarks> /// <returns>The decrypted <see cref="MimeKit.MimeEntity"/>.</returns> /// <param name="cancellationToken">The cancellation token.</param> /// <exception cref="System.InvalidOperationException"> /// The "smime-type" parameter on the Content-Type header is not "certs-only". /// </exception> /// <exception cref="System.OperationCanceledException"> /// The operation was cancelled via the cancellation token. /// </exception> /// <exception cref="Org.BouncyCastle.Cms.CmsException"> /// An error occurred in the cryptographic message syntax subsystem. /// </exception> public MimeEntity Decrypt(CancellationToken cancellationToken = default(CancellationToken)) { using (var ctx = (SecureMimeContext)CryptographyContext.Create("application/pkcs7-mime")) return(Decrypt(ctx, cancellationToken)); }