Package java.security
package java.security
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
- Java Cryptography Architecture (JCA) Reference Guide
- PKCS #8: Private-Key Information Syntax Standard, Version 1.2, November 1993
- Java Security Standard Algorithm Names Specification
Related Documentation
For further documentation, please see:- Since:
- 1.1
| Class | Description |
|---|---|
| AccessControlContext | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| AccessControlException | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| AccessController | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| AlgorithmConstraints | This interface specifies constraints for cryptographic algorithms, keys (key sizes), and other algorithm parameters. |
| 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. |
| Certificate | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE. |
| 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. |
| 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. |
| DomainCombiner | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| DomainLoadStoreParameter | Configuration data that specifies the keystores in a keystore domain. |
| DrbgParameters | This class specifies the parameters used by a DRBG (Deterministic Random Bit Generator). |
| DrbgParameters.Capability | The reseedable and prediction resistance capabilities of a DRBG. |
| DrbgParameters.Instantiation | DRBG parameters for instantiation. |
| DrbgParameters.NextBytes | DRBG parameters for random bits generation. |
| DrbgParameters.Reseed | DRBG parameters for reseed. |
| 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. |
| GuardedObject | A GuardedObject is an object that is used to protect access to another object. |
| Identity | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE. |
| IdentityScope | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE. |
| 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 | The Key interface is the top-level 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 (SPI) 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 (SPI) 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.Entry | A marker interface for KeyStore entry types. |
| KeyStore.Entry.Attribute | An attribute associated with a keystore entry. |
| KeyStore.LoadStoreParameter | |
| KeyStore.PasswordProtection | A password-based implementation of ProtectionParameter. |
| KeyStore.PrivateKeyEntry | A KeyStore entry that holds a PrivateKey and corresponding certificate chain. |
| KeyStore.ProtectionParameter | A marker interface for keystore protection parameters. |
| 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 (SPI) 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 (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. |
| Permissions | This class represents a heterogeneous collection of Permissions. |
| PKCS12Attribute | An attribute associated with a PKCS12 keystore entry. |
| Policy | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| Policy.Parameters | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| PolicySpi | Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release. |
| 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. |
| 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<T> | A computation to be performed with privileges enabled, that throws one or more checked exceptions. |
| ProtectionDomain | The 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. |
| 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 | A public key. |
| 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). |
| SecureRandomParameters | A marker interface for parameters used in various SecureRandom methods. |
| 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 | 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 (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, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE. |
| 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 | 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. |
© 1993, 2021, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/security/package-summary.html