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Changed Classes
AlgorithmParameterGenerator The AlgorithmParameterGenerator class 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.
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.
KeyPairGenerator The KeyPairGenerator class is used to generate pairs of public and private keys.
KeyStore This class represents an in-memory collection of keys and certificates.
MessageDigest This MessageDigest class provides applications the functionality of a message digest algorithm such as MD5 or SHA.
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).
PrivilegedActionException This exception is thrown by doPrivileged(PrivilegedExceptionAction) and doPrivileged(PrivilegedExceptionAction AccessControlContext context) to indicate that the action being performed threw a checked exception.

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.


This class provides a cryptographically strong pseudo-random number generator (PRNG).


This class centralizes all security properties and common security methods.

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.