System.Runtime.CompilerServices.Unsafe by: Microsoft
  • 2.622k total downloads
  • Latest version: 6.0.0
Provides the System.Runtime.CompilerServices.Unsafe class, which provides generic, low-level functionality for manipulating pointers. Commonly Used Types: System.Runtime.CompilerServices.Unsafe
System.Runtime.InteropServices.RuntimeInformation by: Microsoft
  • 129 total downloads
  • Latest version: 4.3.0
Provides APIs to query about runtime and OS information. Commonly Used Types: System.Runtime.InteropServices.RuntimeInformation System.Runtime.InteropServices.OSPlatform When using NuGet 3.x this package requires at least version 3.4.
System.Runtime.Loader by: Microsoft
  • 45 total downloads
  • Latest version: 4.3.0
Provides the System.Runtime.Loader.AssemblyLoadContext class, which provides members for loading assemblies. Commonly Used Types: System.Runtime.Loader.AssemblyLoadContext When using NuGet 3.x this package requires at least version 3.4.
System.Runtime.Numerics by: Microsoft
  • 979 total downloads
  • Latest version: 4.3.0
Provides the numeric types System.Numerics.BigInteger and System.Numerics.Complex, which complement the numeric primitives, such as System.Byte, System.Double and System.Int32. Commonly Used Types: System.Numerics.BigInteger System.Numerics.Complex When using NuGet 3.x this package requires at least version 3.4.
System.Runtime.Serialization.Formatters by: Microsoft
  • 6 total downloads
  • Latest version: 4.3.0
Provides common types for libraries that support runtime serialization. Commonly Used Types: System.SerializableAttribute System.Runtime.Serialization.ISerializable When using NuGet 3.x this package requires at least version 3.4.
System.Runtime.Serialization.Primitives by: Microsoft
  • 1.008k total downloads
  • Latest version: 4.3.0
Provides common types, including System.Runtime.Serialization.DataContractAttribute, for libraries that support data contract serialization. Commonly Used Types: System.Runtime.Serialization.StreamingContext System.Runtime.Serialization.OnDeserializingAttribute System.Runtime.Serialization.OnDeserializedAttribute System.Runtime.Serialization.OnSerializingAttribute System.Runtime.Serialization.OnSerializedAttribute System.Runtime.Serialization.EnumMemberAttribute System.Runtime.Serialization.DataMemberAttribute System.Runtime.Serialization.DataContractAttribute System.Runtime.Serialization.IgnoreDataMemberAttribute System.Runtime.Serialization.SerializationException When using NuGet 3.x this package requires at least version 3.4.
System.Security.AccessControl by: Microsoft
  • 1.516k total downloads
  • Latest version: 6.0.0
Provides base classes that enable managing access and audit control lists on securable objects. Commonly Used Types: System.Security.AccessControl.AccessRule System.Security.AccessControl.AuditRule System.Security.AccessControl.ObjectAccessRule System.Security.AccessControl.ObjectAuditRule System.Security.AccessControl.ObjectSecurity
System.Security.Claims by: Microsoft
  • 226 total downloads
  • Latest version: 4.3.0
Provides classes that implement claims-based identity in the .NET Framework, including classes that represent claims, claims-based identities, and claims-based principals. Commonly Used Types: System.Security.Principal.GenericIdentity System.Security.Claims.Claim System.Security.Claims.ClaimsIdentity System.Security.Claims.ClaimsPrincipal System.Security.Principal.GenericPrincipal When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.Cng by: Microsoft
  • 10 total downloads
  • Latest version: 4.5.0
Provides cryptographic algorithm implementations and key management with Windows Cryptographic Next Generation API (CNG). Commonly Used Types: System.Security.Cryptography.RSACng System.Security.Cryptography.ECDsaCng System.Security.Cryptography.CngKey 30ab651fcb4354552bd4891619a0bdd81e0ebdbf When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.OpenSsl by: Microsoft
  • 1.009k total downloads
  • Latest version: 4.3.0
Provides cryptographic algorithm implementations and key management for non-Windows systems with OpenSSL. Commonly Used Types: System.Security.Cryptography.RSAOpenSsl When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.Pkcs by: Microsoft
  • 361 total downloads
  • Latest version: 8.0.0
Provides support for PKCS and CMS algorithms. Commonly Used Types: System.Security.Cryptography.Pkcs.EnvelopedCms
System.Security.Cryptography.Primitives by: Microsoft
  • 930 total downloads
  • Latest version: 4.3.0
Provides common types for the cryptographic libraries. Commonly Used Types: System.Security.Cryptography.ICryptoTransform System.Security.Cryptography.AsymmetricAlgorithm System.Security.Cryptography.SymmetricAlgorithm System.Security.Cryptography.HashAlgorithm System.Security.Cryptography.KeyedHashAlgorithm System.Security.Cryptography.HMAC System.Security.Cryptography.KeySizes System.Security.Cryptography.CryptographicException System.Security.Cryptography.CipherMode System.Security.Cryptography.PaddingMode System.Security.Cryptography.CryptoStream System.Security.Cryptography.CryptoStreamMode When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.ProtectedData by: Microsoft
  • 1.3k total downloads
  • Latest version: 8.0.0
Provides access to Windows Data Protection Api. Commonly Used Types: System.Security.Cryptography.DataProtectionScope System.Security.Cryptography.ProtectedData
System.Security.Cryptography.Xml by: Microsoft
  • 226 total downloads
  • Latest version: 6.0.1
Provides classes to support the creation and validation of XML digital signatures. The classes in this namespace implement the World Wide Web Consortium Recommendation, "XML-Signature Syntax and Processing", described at http://www.w3.org/TR/xmldsig-core/. Commonly Used Types: System.Security.Cryptography.Xml.CipherData System.Security.Cryptography.Xml.CipherReference System.Security.Cryptography.Xml.DataObject System.Security.Cryptography.Xml.DataReference System.Security.Cryptography.Xml.DSAKeyValue System.Security.Cryptography.Xml.EncryptedData System.Security.Cryptography.Xml.EncryptedKey System.Security.Cryptography.Xml.EncryptedReference System.Security.Cryptography.Xml.EncryptedType System.Security.Cryptography.Xml.EncryptedXml System.Security.Cryptography.Xml.EncryptionMethod System.Security.Cryptography.Xml.EncryptionProperty System.Security.Cryptography.Xml.EncryptionPropertyCollection System.Security.Cryptography.Xml.KeyInfo System.Security.Cryptography.Xml.KeyInfoClause System.Security.Cryptography.Xml.KeyInfoEncryptedKey System.Security.Cryptography.Xml.KeyInfoName System.Security.Cryptography.Xml.KeyInfoNode System.Security.Cryptography.Xml.KeyInfoRetrievalMethod System.Security.Cryptography.Xml.KeyInfoX509Data System.Security.Cryptography.Xml.KeyReference System.Security.Cryptography.Xml.Reference System.Security.Cryptography.Xml.ReferenceList System.Security.Cryptography.Xml.RSAKeyValue System.Security.Cryptography.Xml.Signature System.Security.Cryptography.Xml.SignedInfo System.Security.Cryptography.Xml.SignedXml System.Security.Cryptography.Xml.Transform System.Security.Cryptography.Xml.TransformChain System.Security.Cryptography.Xml.XmlDecryptionTransform System.Security.Cryptography.Xml.XmlDsigBase64Transform System.Security.Cryptography.Xml.XmlDsigC14NTransform System.Security.Cryptography.Xml.XmlDsigC14NWithCommentsTransform System.Security.Cryptography.Xml.XmlDsigEnvelopedSignatureTransform System.Security.Cryptography.Xml.XmlDsigExcC14NTransform System.Security.Cryptography.Xml.XmlDsigExcC14NWithCommentsTransform System.Security.Cryptography.Xml.XmlDsigXPathTransform System.Security.Cryptography.Xml.XmlDsigXsltTransform System.Security.Cryptography.Xml.XmlLicenseTransform
System.Security.Permissions by: Microsoft
  • 1.101k total downloads
  • Latest version: 8.0.0
Provides types supporting Code Access Security (CAS).
System.Security.Principal by: Microsoft
  • 224 total downloads
  • Latest version: 4.3.0
Provides the base interfaces for principal and identity objects that represents the security context under which code is running. Commonly Used Types: System.Security.Principal.IPrincipal System.Security.Principal.IIdentity System.Security.Principal.TokenImpersonationLevel When using NuGet 3.x this package requires at least version 3.4.
System.Security.Principal.Windows by: Microsoft
  • 1.357k total downloads
  • Latest version: 5.0.0
Provides classes for retrieving the current Windows user and for interacting with Windows users and groups. Commonly Used Types: System.Security.Principal.WindowsIdentity System.Security.Principal.SecurityIdentifier System.Security.Principal.NTAccount System.Security.Principal.WindowsPrincipal System.Security.Principal.IdentityReference System.Security.Principal.IdentityNotMappedException System.Security.Principal.WindowsBuiltInRole System.Security.Principal.WellKnownSidType When using NuGet 3.x this package requires at least version 3.4.
System.Text.Encoding.CodePages by: Microsoft
  • 1.273k total downloads
  • Latest version: 8.0.0
Provides support for code-page based encodings, including Windows-1252, Shift-JIS, and GB2312. Commonly Used Types: System.Text.CodePagesEncodingProvider
System.Text.Encodings.Web by: Microsoft
  • 2.016k total downloads
  • Latest version: 9.0.0
Provides types for encoding and escaping strings for use in JavaScript, HyperText Markup Language (HTML), and uniform resource locators (URL). Commonly Used Types: System.Text.Encodings.Web.HtmlEncoder System.Text.Encodings.Web.UrlEncoder System.Text.Encodings.Web.JavaScriptEncoder
System.Text.Json by: Microsoft
  • 2.703k total downloads
  • Latest version: 9.0.0
Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data. The System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use it in other target frameworks.