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Java.Security Namespace

Extensible cryptographic service provider infrastructure (SPI) for using and defining services such as ICertificate, Key, KeyStore, MessageDigest, and Signature.

Classes

AccessControlContext

Android doesn't support SecurityManager.

AccessControlException

This exception is thrown by the AccessController to indicate that a requested access (to a critical system resource such as the file system or the network) is denied.

AccessController

Android doesn't support SecurityManager.

AlgorithmParameterGenerator

The AlgorithmParameterGenerator class is used to generate a set of parameters to be used with a certain algorithm.

AlgorithmParameterGeneratorSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the AlgorithmParameterGenerator class, which is used to generate a set of parameters to be used with a certain algorithm.

AlgorithmParameters

This class is used as an opaque representation of cryptographic parameters.

AlgorithmParametersSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the AlgorithmParameters class, which is used to manage algorithm parameters.

AllPermission

Android doesn't support SecurityManager.

AuthProvider

Legacy security code; do not use.

BasicPermission

Android doesn't support SecurityManager.

CodeSigner

This class encapsulates information about a code signer.

CodeSource

Legacy security code; do not use.

CryptoPrimitive

An enumeration of cryptographic primitives.

DigestException

This is the generic Message Digest exception.

DigestInputStream

A transparent stream that updates the associated message digest using the bits going through the stream.

DigestOutputStream

A transparent stream that updates the associated message digest using the bits going through the stream.

DomainLoadStoreParameter

Configuration data that specifies the keystores in a keystore domain.

GeneralSecurityException

The GeneralSecurityException class is a generic security exception class that provides type safety for all the security-related exception classes that extend from it.

GuardedObject

A GuardedObject is an object that is used to protect access to another object.

Identity

This class represents identities: real-world objects such as people, companies or organizations whose identities can be authenticated using their public keys.

IdentityScope

This class represents a scope for identities.

InvalidAlgorithmParameterException

This is the exception for invalid or inappropriate algorithm parameters.

InvalidKeyException

This is the exception for invalid Keys (invalid encoding, wrong length, uninitialized, etc).

InvalidParameterException

This exception, designed for use by the JCA/JCE engine classes, is thrown when an invalid parameter is passed to a method.

Key

Key is the common interface for all keys.

KeyException

This is the basic key exception.

KeyFactory

Key factories are used to convert keys (opaque cryptographic keys of type Key) into key specifications (transparent representations of the underlying key material), and vice versa.

KeyFactorySpi

This class defines the Service Provider Interface (<b>SPI</b>) for the KeyFactory class.

KeyManagementException

This is the general key management exception for all operations dealing with key management.

KeyPair

This class is a simple holder for a key pair (a public key and a private key).

KeyPairGenerator

The KeyPairGenerator class is used to generate pairs of public and private keys.

KeyPairGeneratorSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the KeyPairGenerator class, which is used to generate pairs of public and private keys.

KeyRep

Standardized representation for serialized Key objects.

KeyRep.Type

Key type.

KeyStore

This class represents a storage facility for cryptographic keys and certificates.

KeyStore.Builder

A description of a to-be-instantiated KeyStore object.

KeyStore.CallbackHandlerProtection

A ProtectionParameter encapsulating a CallbackHandler.

KeyStore.PasswordProtection

A password-based implementation of ProtectionParameter.

KeyStore.PrivateKeyEntry

A KeyStore entry that holds a PrivateKey and corresponding certificate chain.

KeyStore.SecretKeyEntry

A KeyStore entry that holds a SecretKey.

KeyStore.TrustedCertificateEntry

A KeyStore entry that holds a trusted Certificate.

KeyStoreException

This is the generic KeyStore exception.

KeyStoreSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the KeyStore class.

MessageDigest

This MessageDigest class provides applications the functionality of a message digest algorithm, such as SHA-1 or SHA-256.

MessageDigestSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the MessageDigest class, which provides the functionality of a message digest algorithm, such as MD5 or SHA.

NoSuchAlgorithmException

This exception is thrown when a particular cryptographic algorithm is requested but is not available in the environment.

NoSuchProviderException

This exception is thrown when a particular security provider is requested but is not available in the environment.

Permission

Android doesn't support SecurityManager.

PermissionCollection

Android doesn't support SecurityManager.

Permissions

Android doesn't support SecurityManager.

PKCS12Attribute

An attribute associated with a PKCS12 keystore entry.

Policy

Android doesn't support SecurityManager.

PolicySpi

This class defines the Service Provider Interface (<b>SPI</b>) for the Policy class.

PrivateKey

PrivateKey is the common interface for private keys.

PrivilegedActionException

Legacy security code; do not use.

ProtectionDomain

Legacy security code; do not use.

Provider

This class represents a "provider" for the Java Security API, where a provider implements some or all parts of Java Security.

Provider.Service

The description of a security service.

ProviderException

A runtime exception for Provider exceptions (such as misconfiguration errors or unrecoverable internal errors), which may be subclassed by Providers to throw specialized, provider-specific runtime errors.

PublicKey

PublicKey is the common interface for public keys.

SecureClassLoader

This class extends ClassLoader with additional support for defining classes with an associated code source and permissions which are retrieved by the system policy by default.

SecureRandom

This class provides a cryptographically strong random number generator (RNG).

SecureRandomSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the SecureRandom class.

Security

This class centralizes all security properties and common security methods.

SecurityPermission

Legacy security code; do not use.

Signature

The Signature class is used to provide applications the functionality of a digital signature algorithm.

SignatureException

This is the generic Signature exception.

SignatureSpi

This class defines the Service Provider Interface (<b>SPI</b>) for the Signature class, which is used to provide the functionality of a digital signature algorithm.

SignedObject

SignedObject is a class for the purpose of creating authentic runtime objects whose integrity cannot be compromised without being detected.

Signer

This class is used to represent an Identity that can also digitally sign data.

Timestamp

This class encapsulates information about a signed timestamp.

UnrecoverableEntryException

This exception is thrown if an entry in the keystore cannot be recovered.

UnrecoverableKeyException

This exception is thrown if a key in the keystore cannot be recovered.

UnresolvedPermission

Legacy security code; do not use.

Interfaces

IAlgorithmConstraints

This interface specifies constraints for cryptographic algorithms, keys (key sizes), and other algorithm parameters.

ICertificate

This is an interface of abstract methods for managing a variety of identity certificates.

IDomainCombiner

Legacy security code; do not use.

IGuard

This interface represents a guard, which is an object that is used to protect access to another object.

IKey

The Key interface is the top-level interface for all keys.

IPrincipal

This interface represents the abstract notion of a principal, which can be used to represent any entity, such as an individual, a corporation, and a login id.

IPrivateKey

A private key.

IPrivilegedAction

Android doesn't support SecurityManager.

IPrivilegedExceptionAction

Android doesn't support SecurityManager.

IPublicKey

A public key.

KeyStore.IEntry

A marker interface for KeyStore entry types.

KeyStore.IEntryAttribute
KeyStore.ILoadStoreParameter

A marker interface for KeyStore#load(KeyStore.LoadStoreParameter) load and #store(KeyStore.LoadStoreParameter) store parameters.

KeyStore.IProtectionParameter

A marker interface for keystore protection parameters.

Policy.IParameters

Legacy security code; do not use.

Enums

SignatureState

Enumerates values returned by several types.