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.