java.security (Java Platform SE 6)

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Java™ Platform
Standard Ed. 6

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Package java.security

Provides the classes and interfaces for the security framework.

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Description

Interface Summary
Certificate	Deprecated. A new certificate handling package is created in the Java platform.
DomainCombiner	A `DomainCombiner` provides a means to dynamically update the ProtectionDomains associated with the current `AccessControlContext`.
Guard	This interface represents a guard, which is an object that is used to protect access to another object.
Key	The Key interface is the top-level interface for all keys.
KeyStore.Entry	A marker interface for `KeyStore` entry types.
KeyStore.LoadStoreParameter	A marker interface for `KeyStore` `load` and `store` parameters.
KeyStore.ProtectionParameter	A marker interface for keystore protection parameters.
Policy.Parameters	This represents a marker interface for Policy parameters.
Principal	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.
PrivateKey	A private key.
PrivilegedAction<T>	A computation to be performed with privileges enabled.
PrivilegedExceptionAction<T>	A computation to be performed with privileges enabled, that throws one or more checked exceptions.
PublicKey	A public key.

Class Summary
AccessControlContext	An AccessControlContext is used to make system resource access decisions based on the context it encapsulates.
AccessController	The AccessController class is used for access control operations and decisions.
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 (SPI) 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 (SPI) for the `AlgorithmParameters` class, which is used to manage algorithm parameters.
AllPermission	The AllPermission is a permission that implies all other permissions.
AuthProvider	This class defines login and logout methods for a provider.
BasicPermission	The BasicPermission class extends the Permission class, and can be used as the base class for permissions that want to follow the same naming convention as BasicPermission.
CodeSigner	This class encapsulates information about a code signer.
CodeSource	This class extends the concept of a codebase to encapsulate not only the location (URL) but also the certificate chains that were used to verify signed code originating from that location.
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.
GuardedObject	A GuardedObject is an object that is used to protect access to another object.
Identity	Deprecated. This class is no longer used.
IdentityScope	Deprecated. This class is no longer used.
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 (SPI) for the `KeyFactory` class.
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 (SPI) for the `KeyPairGenerator` class, which is used to generate pairs of public and private keys.
KeyRep	Standardized representation for serialized Key objects.
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`.
KeyStoreSpi	This class defines the Service Provider Interface (SPI) for the `KeyStore` class.
MessageDigest	This MessageDigest class provides applications the functionality of a message digest algorithm, such as MD5 or SHA.
MessageDigestSpi	This class defines the Service Provider Interface (SPI) for the `MessageDigest` class, which provides the functionality of a message digest algorithm, such as MD5 or SHA.
Permission	Abstract class for representing access to a system resource.
PermissionCollection	Abstract class representing a collection of Permission objects.
Permissions	This class represents a heterogeneous collection of Permissions.
Policy	A Policy object is responsible for determining whether code executing in the Java runtime environment has permission to perform a security-sensitive operation.
PolicySpi	This class defines the Service Provider Interface (SPI) for the `Policy` class.
ProtectionDomain	This ProtectionDomain class encapsulates the characteristics of a domain, which encloses a set of classes whose instances are granted a set of permissions when being executed on behalf of a given set of Principals.
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.
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 (SPI) for the `SecureRandom` class.
Security	This class centralizes all security properties and common security methods.
SecurityPermission	This class is for security permissions.
Signature	This Signature class is used to provide applications the functionality of a digital signature algorithm.
SignatureSpi	This class defines the Service Provider Interface (SPI) 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	Deprecated. This class is no longer used.
Timestamp	This class encapsulates information about a signed timestamp.
UnresolvedPermission	The UnresolvedPermission class is used to hold Permissions that were "unresolved" when the Policy was initialized.
URIParameter	A parameter that contains a URI pointing to data intended for a PolicySpi or ConfigurationSpi implementation.

Enum Summary
KeyRep.Type	Key type.

Exception Summary
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.
DigestException	This is the generic Message Digest exception.
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.
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.
KeyException	This is the basic key exception.
KeyManagementException	This is the general key management exception for all operations dealing with key management.
KeyStoreException	This is the generic KeyStore exception.
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.
PrivilegedActionException	This exception is thrown by `doPrivileged(PrivilegedExceptionAction)` and `doPrivileged(PrivilegedExceptionAction, AccessControlContext context)` to indicate that the action being performed threw a checked exception.
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.
SignatureException	This is the generic Signature exception.
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.

Package java.security Description

Provides the classes and interfaces for the security framework. This includes classes that implement an easily configurable, fine-grained access control security architecture. This package also supports the generation and storage of cryptographic public key pairs, as well as a number of exportable cryptographic operations including those for message digest and signature generation. Finally, this package provides classes that support signed/guarded objects and secure random number generation. Many of the classes provided in this package (the cryptographic and secure random number generator classes in particular) are provider-based. The class itself defines a programming interface to which applications may write. The implementations themselves may then be written by independent third-party vendors and plugged in seamlessly as needed. Therefore application developers may take advantage of any number of provider-based implementations without having to add or rewrite code.

Package Specification

Cryptography Architecture
PKCS8: Private-Key Information Standard, Version 1.2, November 1993

Package java.security

Package java.security Description

Package Specification

Related Documentation