package

java.security

This package is for compatibility with legacy code only, and should not be used or expected to do anything useful.

Interfaces

Certificate	This interface is deprecated. Replaced by behavior in `java.security.cert`
DomainCombiner	Legacy security code; do not use.
Guard	`Guard` implementors protect access to other objects.
Key	`Key` is the common interface for all keys.
KeyStore.Entry	`Entry` is the common marker interface for a `KeyStore` entry.
KeyStore.LoadStoreParameter	`LoadStoreParameter` represents a parameter that specifies how a `KeyStore` can be loaded and stored.
KeyStore.ProtectionParameter	`ProtectionParameter` is a marker interface for protection parameters.
Policy.Parameters	Legacy security code; do not use.
Principal	`Principal`s are objects which have identities.
PrivateKey	`PrivateKey` is the common interface for private keys.
PrivilegedAction<T>	Legacy security code; do not use.
PrivilegedExceptionAction<T>	Legacy security code; do not use.
PublicKey	`PublicKey` is the common interface for public keys.

Classes

AccessControlContext	Legacy security code; do not use.
AccessController	Legacy security code; do not use.
AlgorithmParameterGenerator	`AlgorithmParameterGenerator` is an engine class which is capable of generating parameters for the algorithm it was initialized with.
AlgorithmParameterGeneratorSpi	`AlgorithmParameterGeneratorSpi` is the Service Provider Interface (SPI) definition for `AlgorithmParameterGenerator`.
AlgorithmParameters	`AlgorithmParameters` is an engine class which provides algorithm parameters.
AlgorithmParametersSpi	`AlgorithmParametersSpi` is the Service Provider Interface (SPI) definition for `AlgorithmParameters`.
AllPermission	Legacy security code; do not use.
AuthProvider	Legacy security code; do not use.
BasicPermission	Legacy security code; do not use.
CodeSigner	`CodeSigner` represents a signer of code.
CodeSource	Legacy security code; do not use.
DigestInputStream	`DigestInputStream` is a `FilterInputStream` which maintains an associated message digest.
DigestOutputStream	`DigestOutputStream` is a `FilterOutputStream` which maintains an associated message digest.
GuardedObject	`GuardedObject` controls access to an object, by checking all requests for the object with a `Guard`.
Identity	This class is deprecated. The functionality of this class has been replace by `Principal`, `KeyStore` and the `java.security.cert` package.
IdentityScope	This class is deprecated. The functionality of this class has been replace by `Principal`, `KeyStore` and the `java.security.cert` package.
KeyFactory	`KeyFactory` is an engine class that can be used to translate between public and private key objects and convert keys between their external representation, that can be easily transported and their internal representation.
KeyFactorySpi	`KeyFactorySpi` is the Service Provider Interface (SPI) definition for `KeyFactory`.
KeyPair	`KeyPair` is a container for a public key and a private key.
KeyPairGenerator	`KeyPairGenerator` is an engine class which is capable of generating a private key and its related public key utilizing the algorithm it was initialized with.
KeyPairGeneratorSpi	`KeyPairGeneratorSpi` is the Service Provider Interface (SPI) definition for `KeyPairGenerator`.
KeyRep	`KeyRep` is a standardized representation for serialized `Key` objects.
KeyStore	`KeyStore` is responsible for maintaining cryptographic keys and their owners.
KeyStore.Builder	`Builder` is used to construct new instances of `KeyStore`.
KeyStore.CallbackHandlerProtection	`CallbackHandlerProtection` is a `ProtectionParameter` that encapsulates a `CallbackHandler`.
KeyStore.PasswordProtection	`PasswordProtection` is a `ProtectionParameter` that protects a `KeyStore` using a password.
KeyStore.PrivateKeyEntry	`PrivateKeyEntry` represents a `KeyStore` entry that holds a private key.
KeyStore.SecretKeyEntry	`SecretKeyEntry` represents a `KeyStore` entry that holds a secret key.
KeyStore.TrustedCertificateEntry	`TrustedCertificateEntry` represents a `KeyStore` entry that holds a trusted certificate.
KeyStoreSpi	`KeyStoreSpi` is the Service Provider Interface (SPI) definition for `KeyStore`.
MessageDigest	Uses a one-way hash function to turn an arbitrary number of bytes into a fixed-length byte sequence.
MessageDigestSpi	`MessageDigestSpi` is the Service Provider Interface (SPI) definition for `MessageDigest`.
Permission	Legacy security code; do not use.
PermissionCollection	Legacy security code; do not use.
Permissions	Legacy security code; do not use.
Policy	Legacy security code; do not use.
PolicySpi	Represents the Service Provider Interface (SPI) for java.security.Policy class.
ProtectionDomain	Legacy security code; do not use.
Provider	`Provider` is the abstract superclass for all security providers in the Java security infrastructure.
Provider.Service	`Service` represents a service in the Java Security infrastructure.
SecureClassLoader	`SecureClassLoader` represents a `ClassLoader` which associates the classes it loads with a code source and provide mechanisms to allow the relevant permissions to be retrieved.
SecureRandom	This class generates cryptographically secure pseudo-random numbers.
SecureRandomSpi	`SecureRandomSpi` is the Service Provider Interface (SPI) definition for `SecureRandom`.
Security	`Security` is the central class in the Java Security API.
SecurityPermission	Legacy security code; do not use.
Signature	`Signature` is an engine class which is capable of creating and verifying digital signatures, using different algorithms that have been registered with the `Security` class.
SignatureSpi	`SignatureSpi` is the Service Provider Interface (SPI) definition for `Signature`.
SignedObject	A `SignedObject` instance acts as a container for another object.
Signer	This class is deprecated. Replaced by behavior in `java.security.cert` package and `Principal`
Timestamp	`Timestamp` represents a signed time stamp.
UnresolvedPermission	Legacy security code; do not use.

Enums

KeyRep.Type Type enumerates the supported key types.

Exceptions

AccessControlException	`AccessControlException` is thrown if the access control infrastructure denies protected access due to missing permissions.
DigestException	`DigestException` is a general message digest exception.
GeneralSecurityException	`GeneralSecurityException` is a general security exception and the superclass for all security specific exceptions.
InvalidAlgorithmParameterException	`InvalidAlgorithmParameterException` indicates the occurrence of invalid algorithm parameters.
InvalidKeyException	`InvalidKeyException` indicates exceptional conditions, caused by an invalid key.
InvalidParameterException	`InvalidParameterException` indicates exceptional conditions, caused by invalid parameters.
KeyException	`KeyException` is the common superclass of all key related exceptions.
KeyManagementException	`KeyManagementException` is a general exception, thrown to indicate an exception during processing an operation concerning key management.
KeyStoreException	`KeyStoreException` is a general `KeyStore` exception.
NoSuchAlgorithmException	`NoSuchAlgorithmException` indicates that a requested algorithm could not be found.
NoSuchProviderException	`NoSuchProviderException` indicates that a requested security provider could not be found.
PrivilegedActionException	Legacy security code; do not use.
ProviderException	`ProviderException` is a general exception, thrown by security `Providers`.
SignatureException	`SignatureException` is a general `Signature` exception.
UnrecoverableEntryException	`UnrecoverableEntryException` indicates, that a `KeyStore.Entry` cannot be recovered from a `KeyStore`.
UnrecoverableKeyException	`UnrecoverableKeyException` indicates, that a key cannot be recovered from a `KeyStore`.