java.lang.Object java.security.cert.CertPathValidator
public class CertPathValidator
A class for validating certification paths (also known as certificate chains).
This class uses a provider-based
architecture.
architecture, as described in the Java Cryptography Architecture.
To create a CertPathValidator, call one of the static getInstance methods, passing in the algorithm name of the CertPathValidator desired and optionally the name of the provider desired.
Once a CertPathValidator object has been created, it can be used to validate certification paths by calling the validate method and passing it the CertPath to be validated and an algorithm-specific set of parameters. If successful, the result is returned in an object that implements the CertPathValidatorResult interface.
Concurrent Access
The static methods of this class are guaranteed to be thread-safe. Multiple threads may concurrently invoke the static methods defined in this class with no ill effects.
However, this is not true for the non-static methods defined by this class. Unless otherwise documented by a specific provider, threads that need to access a single CertPathValidator instance concurrently should synchronize amongst themselves and provide the necessary locking. Multiple threads each manipulating a different CertPathValidator instance need not synchronize.
Constructor Summary | |
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protected |
CertPathValidator
(
CertPathValidatorSpi
validatorSpi,
Provider
provider,
String
algorithm) Creates a CertPathValidator object of the given algorithm, and encapsulates the given provider implementation (SPI object) in it. |
Method Summary | |
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String |
getAlgorithm
() Returns the algorithm name of this CertPathValidator. |
static String |
getDefaultType
() Returns the default CertPathValidator type as specified in the Java security properties file, or the string "PKIX" if no such property exists. |
static CertPathValidator |
getInstance
(
String
algorithm) Returns a CertPathValidator object that implements the specified algorithm. |
static CertPathValidator |
getInstance
(
String
algorithm,
Provider
Returns a CertPathValidator object that implements the specified algorithm. |
static CertPathValidator |
getInstance
(
String
algorithm,
String
Returns a CertPathValidator object that implements the specified algorithm. |
Provider |
getProvider
() Returns the Provider of this CertPathValidator. |
CertPathValidatorResult |
validate
(
CertPath
certPath,
CertPathParameters
params) Validates the specified certification path using the specified algorithm parameter set. |
Methods inherited from class java.lang. Object |
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clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait |
Constructor Detail |
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protected CertPathValidator(CertPathValidatorSpi validatorSpi, Provider provider, String algorithm)
Method Detail |
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public static CertPathValidator getInstance(String algorithm) throws NoSuchAlgorithmException
This method traverses the list of registered security Providers, starting with the most preferred Provider. A new CertPathValidator object encapsulating the CertPathValidatorSpi implementation from the first Provider that supports the specified algorithm is returned.
If the default provider package provides an implementation of the specified CertPathValidator algorithm, an instance of CertPathValidator containing that implementation is returned. If the requested algorithm is not available in the default package, other packages are searched.
Note that the list of registered providers may be retrieved via the Security.getProviders() method.
public static CertPathValidator getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException
A new CertPathValidator object encapsulating the CertPathValidatorSpi implementation from the specified provider is returned. The specified provider must be registered in the security provider list.
Note that the list of registered providers may be retrieved via the Security.getProviders() method.
public static CertPathValidator getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException
A new CertPathValidator object encapsulating the CertPathValidatorSpi implementation from the specified Provider object is returned. Note that the specified Provider object does not have to be registered in the provider list.
public final Provider getProvider()
public final String getAlgorithm()
public final CertPathValidatorResult validate(CertPath certPath, CertPathParameters params) throws CertPathValidatorException, InvalidAlgorithmParameterException
The CertPath specified must be of a type that is supported by the validation algorithm, otherwise an InvalidAlgorithmParameterException will be thrown. For example, a CertPathValidator that implements the PKIX algorithm validates CertPath objects of type X.509.
public static final String getDefaultType()
The default CertPathValidator type can be used by applications that do not want to use a hard-coded type when calling one of the getInstance methods, and want to provide a default type in case a user does not specify its own.
The default CertPathValidator type can be changed by setting the value of the "certpathvalidator.type" security property (in the Java security properties file) to the desired type.