mimekit - MimeKit.Cryptography 5.0.0.2435

MimeKit is an Open Source library for creating and parsing MIME, S/MIME and PGP messages on desktop and mobile platforms. It also supports parsing of Unix mbox files.

  MimeKit.Cryptography extends MimeKit.Core with support for OpenPGP, S/MIME and DKIM/ARC using BouncyCastle.Cryptography. Reference this package (or the MimeKit meta-package) when you need cryptography features.

  API documentation can be found on the web at http://www.mimekit.net/docs

  For those that need SMTP, POP3 or IMAP support, check out https://github.com/jstedfast/MailKit

PM> Install-Package MimeKit.Cryptography -Version 5.0.0.2435 -Source https://www.myget.org/F/mimekit/api/v3/index.json

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> nuget.exe install MimeKit.Cryptography -Version 5.0.0.2435 -Source https://www.myget.org/F/mimekit/api/v3/index.json

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> dotnet add package MimeKit.Cryptography --version 5.0.0.2435 --source https://www.myget.org/F/mimekit/api/v3/index.json

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<PackageReference Include="MimeKit.Cryptography" Version="5.0.0.2435" />
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source https://www.myget.org/F/mimekit/api/v3/index.json

nuget MimeKit.Cryptography  ~> 5.0.0.2435
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> choco install MimeKit.Cryptography --version 5.0.0.2435 --source https://www.myget.org/F/mimekit/api/v2

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Import-Module PowerShellGet
Register-PSRepository -Name "mimekit" -SourceLocation "https://www.myget.org/F/mimekit/api/v2"
Install-Module -Name "MimeKit.Cryptography" -RequiredVersion "5.0.0.2435" -Repository "mimekit"
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  • Removed base, embed, input, link and source tags as "unsafe" tags. These are all void tags in HTML, meaning they do not have inner content. (issue #1247)
  • Fixed InternetAddressListConverter to allow conversion of empty strings into an empty list. (issue #1249)
  • Fixed NullReferenceException in BouncyCastleSecureMimeContext when SubjectKeyIdentifier is requested but not available. (issue #1250)
  • Fixed MimeReader to support MimePart content larger than 2GB. (issue #1252)
  • Fixed Message-Id parser to not decode international domains. (issue #1254)
  • Bumped System.Security.Cryptography.Pkcs dependency to 10.0.0.
  • Bumped System.Text.Encoding.CodePages dependency to 10.0.0.
  • Bumped BouncyCastle.Cryptography dependency to 2.7.0.

Note: As of BouncyCastle 2.7.0, decrypting S/MIME content encrypted with Blowfish, CAST5, RC2/40, RC2/64, or RC2/128 will fail with a CmsException: no fixed size for content-encryption key; constant-time RSA unwrap unavailable.

Use the following code snippet to restore pre-2.7.0 behavior:

Org.BouncyCastle.Utilities.Properties.SetThreadBoolean (Org.BouncyCastle.Utilities.Properties.CmsAllowLenientRsaPkcs1, true);
  • .NETFramework 4.6.2
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
  • .NETFramework 4.7
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
  • .NETFramework 4.8
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
  • .NETFramework 8.0
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
    • System.Security.Cryptography.Pkcs (>= 10.0.0)
  • .NETFramework 10.0
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
    • System.Security.Cryptography.Pkcs (>= 10.0.0)
  • .NETStandard 2.0
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
    • System.Data.DataSetExtensions (>= 4.5.0)
    • System.Security.Cryptography.Pkcs (>= 10.0.0)
  • .NETStandard 2.1
    • BouncyCastle.Cryptography (>= 2.7.0)
    • MimeKit.Core (>= 5.0.0)
    • System.Security.Cryptography.Pkcs (>= 10.0.0)
    • System.Text.Encoding.CodePages (>= 10.0.0)
  • .NETFramework 4.6.2: 4.6.2.0
  • .NETFramework 4.7: 4.7.0.0
  • .NETFramework 4.8: 4.8.0.0
  • .NETFramework 8.0: 8.0.0.0
  • .NETFramework 10.0: 10.0.0.0
  • .NETStandard 2.0: 2.0.0.0
  • .NETStandard 2.1: 2.1.0.0

Owners

jstedfast

Authors

Jeffrey Stedfast

Project URL

https://www.mimekit.net/

License

Unknown

Tags

mime encryption arc dkim security smime s/mime openpgp pgp mbox mail email parser tnef

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Package history

Version Size Last updated Downloads Mirrored?
5.0.0.2437 2.58 MB Sat, 10 Oct 2026 03:12:04 GMT 0
5.0.0.2436 2.58 MB Sat, 10 Oct 2026 02:15:23 GMT 0
5.0.0.2435 2.58 MB Sat, 10 Oct 2026 01:26:48 GMT 0
5.0.0.2434 2.58 MB Sat, 10 Oct 2026 01:02:32 GMT 0
5.0.0.2432 2.58 MB Fri, 09 Oct 2026 22:26:28 GMT 0