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Added in API level 1

Summary: Ctors | Methods | Inherited Methods | [Expand All]

PKIXBuilderParameters

public class PKIXBuilderParameters
extends PKIXParameters

java.lang.Object
↳	java.security.cert.PKIXParameters
	↳	java.security.cert.PKIXBuilderParameters

Parameters used as input for the PKIX CertPathBuilder algorithm.

A PKIX CertPathBuilder uses these parameters to build a CertPath which has been validated according to the PKIX certification path validation algorithm.

To instantiate a PKIXBuilderParameters object, an application must specify one or more most-trusted CAs as defined by the PKIX certification path validation algorithm. The most-trusted CA can be specified using one of two constructors. An application can call PKIXBuilderParameters(Set, CertSelector), specifying a Set of TrustAnchor objects, each of which identifies a most-trusted CA. Alternatively, an application can call PKIXBuilderParameters(KeyStore, CertSelector), specifying a KeyStore instance containing trusted certificate entries, each of which will be considered as a most-trusted CA.

In addition, an application must specify constraints on the target certificate that the CertPathBuilder will attempt to build a path to. The constraints are specified as a CertSelector object. These constraints should provide the CertPathBuilder with enough search criteria to find the target certificate. Minimal criteria for an X509Certificate usually include the subject name and/or one or more subject alternative names. If enough criteria is not specified, the CertPathBuilder may throw a CertPathBuilderException.

Concurrent Access

Unless otherwise specified, the methods defined in this class are not thread-safe. Multiple threads that need to access a single object concurrently should synchronize amongst themselves and provide the necessary locking. Multiple threads each manipulating separate objects need not synchronize.

See also:

CertPathBuilder

Summary

Public constructors
`PKIXBuilderParameters(Set<TrustAnchor> trustAnchors, CertSelector targetConstraints)` Creates an instance of `PKIXBuilderParameters` with the specified `Set` of most-trusted CAs.
`PKIXBuilderParameters(KeyStore keystore, CertSelector targetConstraints)` Creates an instance of `PKIXBuilderParameters` that populates the set of most-trusted CAs from the trusted certificate entries contained in the specified `KeyStore`.

Public methods
`int`	`getMaxPathLength()` Returns the value of the maximum number of intermediate non-self-issued certificates that may exist in a certification path.
`void`	`setMaxPathLength(int maxPathLength)` Sets the value of the maximum number of non-self-issued intermediate certificates that may exist in a certification path.
`String`	`toString()` Returns a formatted string describing the parameters.

Inherited methods

From class


  
    java.security.cert.PKIXParameters

`void`	`addCertPathChecker(PKIXCertPathChecker checker)` Adds a `PKIXCertPathChecker` to the list of certification path checkers.
`void`	`addCertStore(CertStore store)` Adds a `CertStore` to the end of the list of `CertStore`s used in finding certificates and CRLs.
`Object`	`clone()` Makes a copy of this `PKIXParameters` object.
`List<PKIXCertPathChecker>`	`getCertPathCheckers()` Returns the `List` of certification path checkers.
`List<CertStore>`	`getCertStores()` Returns an immutable `List` of `CertStore`s that are used to find certificates and CRLs.
`Date`	`getDate()` Returns the time for which the validity of the certification path should be determined.
`Set<String>`	`getInitialPolicies()` Returns an immutable `Set` of initial policy identifiers (OID strings), indicating that any one of these policies would be acceptable to the certificate user for the purposes of certification path processing.
`boolean`	`getPolicyQualifiersRejected()` Gets the PolicyQualifiersRejected flag.
`String`	`getSigProvider()` Returns the signature provider's name, or `null` if not set.
`CertSelector`	`getTargetCertConstraints()` Returns the required constraints on the target certificate.
`Set<TrustAnchor>`	`getTrustAnchors()` Returns an immutable `Set` of the most-trusted CAs.
`boolean`	`isAnyPolicyInhibited()` Checks whether the any policy OID should be processed if it is included in a certificate.
`boolean`	`isExplicitPolicyRequired()` Checks if explicit policy is required.
`boolean`	`isPolicyMappingInhibited()` Checks if policy mapping is inhibited.
`boolean`	`isRevocationEnabled()` Checks the RevocationEnabled flag.
`void`	`setAnyPolicyInhibited(boolean val)` Sets state to determine if the any policy OID should be processed if it is included in a certificate.
`void`	`setCertPathCheckers(List<PKIXCertPathChecker> checkers)` Sets a `List` of additional certification path checkers.
`void`	`setCertStores(List<CertStore> stores)` Sets the list of `CertStore`s to be used in finding certificates and CRLs.
`void`	`setDate(Date date)` Sets the time for which the validity of the certification path should be determined.
`void`	`setExplicitPolicyRequired(boolean val)` Sets the ExplicitPolicyRequired flag.
`void`	`setInitialPolicies(Set<String> initialPolicies)` Sets the `Set` of initial policy identifiers (OID strings), indicating that any one of these policies would be acceptable to the certificate user for the purposes of certification path processing.
`void`	`setPolicyMappingInhibited(boolean val)` Sets the PolicyMappingInhibited flag.
`void`	`setPolicyQualifiersRejected(boolean qualifiersRejected)` Sets the PolicyQualifiersRejected flag.
`void`	`setRevocationEnabled(boolean val)` Sets the RevocationEnabled flag.
`void`	`setSigProvider(String sigProvider)` Sets the signature provider's name.
`void`	`setTargetCertConstraints(CertSelector selector)` Sets the required constraints on the target certificate.
`void`	`setTrustAnchors(Set<TrustAnchor> trustAnchors)` Sets the `Set` of most-trusted CAs.
`String`	`toString()` Returns a formatted string describing the parameters.

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    java.security.cert.CertPathParameters

Public constructors

PKIXBuilderParameters

Added in API level 1

PKIXBuilderParameters (Set<TrustAnchor> trustAnchors, 
                CertSelector targetConstraints)

Creates an instance of PKIXBuilderParameters with the specified Set of most-trusted CAs. Each element of the set is a TrustAnchor.

Note that the Set is copied to protect against subsequent modifications.

Parameters
`trustAnchors`	`Set`: a `Set` of `TrustAnchor`s
`targetConstraints`	`CertSelector`: a `CertSelector` specifying the constraints on the target certificate

Throws
`InvalidAlgorithmParameterException`	if `trustAnchors` is empty `(trustAnchors.isEmpty() == true)`
`NullPointerException`	if `trustAnchors` is `null`
`ClassCastException`	if any of the elements of `trustAnchors` are not of type `java.security.cert.TrustAnchor`

PKIXBuilderParameters

Added in API level 1

PKIXBuilderParameters (KeyStore keystore, 
                CertSelector targetConstraints)

Creates an instance of PKIXBuilderParameters that populates the set of most-trusted CAs from the trusted certificate entries contained in the specified KeyStore. Only keystore entries that contain trusted X509Certificates are considered; all other certificate types are ignored.

Parameters
`keystore`	`KeyStore`: a `KeyStore` from which the set of most-trusted CAs will be populated
`targetConstraints`	`CertSelector`: a `CertSelector` specifying the constraints on the target certificate

Throws
`KeyStoreException`	if `keystore` has not been initialized
`InvalidAlgorithmParameterException`	if `keystore` does not contain at least one trusted certificate entry
`NullPointerException`	if `keystore` is `null`

Public methods

getMaxPathLength

Added in API level 1

int getMaxPathLength ()

Returns the value of the maximum number of intermediate non-self-issued certificates that may exist in a certification path. See the setMaxPathLength(int) method for more details.

Returns
`int`	the maximum number of non-self-issued intermediate certificates that may exist in a certification path, or -1 if there is no limit

See also:

setMaxPathLength(int)

setMaxPathLength

Added in API level 1

void setMaxPathLength (int maxPathLength)

Sets the value of the maximum number of non-self-issued intermediate certificates that may exist in a certification path. A certificate is self-issued if the DNs that appear in the subject and issuer fields are identical and are not empty. Note that the last certificate in a certification path is not an intermediate certificate, and is not included in this limit. Usually the last certificate is an end entity certificate, but it can be a CA certificate. A PKIX CertPathBuilder instance must not build paths longer than the length specified.

A value of 0 implies that the path can only contain a single certificate. A value of -1 implies that the path length is unconstrained (i.e. there is no maximum). The default maximum path length, if not specified, is 5. Setting a value less than -1 will cause an exception to be thrown.

If any of the CA certificates contain the BasicConstraintsExtension, the value of the pathLenConstraint field of the extension overrides the maximum path length parameter whenever the result is a certification path of smaller length.

Parameters
`maxPathLength`	`int`: the maximum number of non-self-issued intermediate certificates that may exist in a certification path

Throws
`InvalidParameterException`	if `maxPathLength` is set to a value less than -1

See also:

getMaxPathLength()

toString

Added in API level 1

String toString ()

Returns a formatted string describing the parameters.

Returns
`String`	a formatted string describing the parameters

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PKIXBuilderParameters

Summary

Public constructors

Public methods

Inherited methods

Public constructors

PKIXBuilderParameters

PKIXBuilderParameters

Public methods

getMaxPathLength

setMaxPathLength

toString