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Uses of Package
java.security

Packages that use java.security

java.io	Provides for system input and output through data streams, serialization and the file system.
java.lang	Provides classes that are fundamental to the design of the Java programming language.
java.lang.reflect	Provides classes and interfaces for obtaining reflective information about classes and objects.
java.net	Provides the classes for implementing networking applications.
java.security	Provides the classes and interfaces for the security framework.
java.security.cert	Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.util	Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).

Classes in java.security used by java.io

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.

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

Permission
Abstract class for representing access to a system resource.

PermissionCollection
Abstract class representing a collection of Permission objects.

Classes in java.security used by java.lang

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.

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

Permission
Abstract class for representing access to a system resource.

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.

Classes in java.security used by java.lang.reflect

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.

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

Permission
Abstract class for representing access to a system resource.

Classes in java.security used by java.net

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.

CodeSource
This class extends the concept of a codebase to encapsulate not only the location (URL) but also the certificate(s) that were used to verify signed code originating from that location.

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

Permission
Abstract class for representing access to a system resource.

PermissionCollection
Abstract class representing a collection of Permission objects.

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.

Classes in java.security used by java.security

AccessControlContext
An AccessControlContext is used to make system resource access decisions based on the context it encapsulates.

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.

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.

CodeSource
This class extends the concept of a codebase to encapsulate not only the location (URL) but also the certificate(s) that were used to verify signed code originating from that location.

DigestException
This is the generic Message Digest exception.

DomainCombiner
A DomainCombiner provides a means to dynamically update the ProtectionDomains associated with the current AccessControlContext.

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.

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.

KeyException
This is the basic key exception.

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.

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
Abstract class for representing access to a system resource.

PermissionCollection
Abstract class representing a collection of Permission objects.

Policy
This is an abstract class for representing the system security policy for a Java application environment (specifying which permissions are available for code from various sources).

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.

PrivilegedAction
A computation to be performed with privileges enabled.

PrivilegedActionException
This exception is thrown by doPrivileged(PrivilegedExceptionAction) and doPrivileged(PrivilegedExceptionAction, AccessControlContext context) to indicate that the action being performed threw a checked exception.

PrivilegedExceptionAction
A computation to be performed with privileges enabled, that throws one or more checked exceptions.

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.

Classes in java.security used by java.security.cert

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.

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

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.

PublicKey
A public key.

SignatureException
This is the generic Signature exception.

Classes in java.security used by java.util

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.

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

Permission
Abstract class for representing access to a system resource.

PermissionCollection
Abstract class representing a collection of Permission objects.