JDK 11 java.base.jmod - Base Module
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⏎ java/security/Identity.java
/*
* Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.security;
import java.io.Serializable;
import java.util.*;
/**
* <p>This class represents identities: real-world objects such as people,
* companies or organizations whose identities can be authenticated using
* their public keys. Identities may also be more abstract (or concrete)
* constructs, such as daemon threads or smart cards.
*
* <p>All Identity objects have a name and a public key. Names are
* immutable. Identities may also be scoped. That is, if an Identity is
* specified to have a particular scope, then the name and public
* key of the Identity are unique within that scope.
*
* <p>An Identity also has a set of certificates (all certifying its own
* public key). The Principal names specified in these certificates need
* not be the same, only the key.
*
* <p>An Identity can be subclassed, to include postal and email addresses,
* telephone numbers, images of faces and logos, and so on.
*
* @see IdentityScope
* @see Signer
* @see Principal
*
* @author Benjamin Renaud
* @since 1.1
* @deprecated This class is deprecated and subject to removal in a future
* version of Java SE. It has been replaced by
* {@code java.security.KeyStore}, the {@code java.security.cert} package,
* and {@code java.security.Principal}.
*/
@Deprecated(since="1.2", forRemoval=true)
@SuppressWarnings("removal")
public abstract class Identity implements Principal, Serializable {
/** use serialVersionUID from JDK 1.1.x for interoperability */
private static final long serialVersionUID = 3609922007826600659L;
/**
* The name for this identity.
*
* @serial
*/
private String name;
/**
* The public key for this identity.
*
* @serial
*/
private PublicKey publicKey;
/**
* Generic, descriptive information about the identity.
*
* @serial
*/
String info = "No further information available.";
/**
* The scope of the identity.
*
* @serial
*/
IdentityScope scope;
/**
* The certificates for this identity.
*
* @serial
*/
Vector<Certificate> certificates;
/**
* Constructor for serialization only.
*/
protected Identity() {
this("restoring...");
}
/**
* Constructs an identity with the specified name and scope.
*
* @param name the identity name.
* @param scope the scope of the identity.
*
* @exception KeyManagementException if there is already an identity
* with the same name in the scope.
*/
public Identity(String name, IdentityScope scope) throws
KeyManagementException {
this(name);
if (scope != null) {
scope.addIdentity(this);
}
this.scope = scope;
}
/**
* Constructs an identity with the specified name and no scope.
*
* @param name the identity name.
*/
public Identity(String name) {
this.name = name;
}
/**
* Returns this identity's name.
*
* @return the name of this identity.
*/
public final String getName() {
return name;
}
/**
* Returns this identity's scope.
*
* @return the scope of this identity.
*/
public final IdentityScope getScope() {
return scope;
}
/**
* Returns this identity's public key.
*
* @return the public key for this identity.
*
* @see #setPublicKey
*/
public PublicKey getPublicKey() {
return publicKey;
}
/**
* Sets this identity's public key. The old key and all of this
* identity's certificates are removed by this operation.
*
* <p>First, if there is a security manager, its {@code checkSecurityAccess}
* method is called with {@code "setIdentityPublicKey"}
* as its argument to see if it's ok to set the public key.
*
* @param key the public key for this identity.
*
* @exception KeyManagementException if another identity in the
* identity's scope has the same public key, or if another exception occurs.
*
* @exception SecurityException if a security manager exists and its
* {@code checkSecurityAccess} method doesn't allow
* setting the public key.
*
* @see #getPublicKey
* @see SecurityManager#checkSecurityAccess
*/
/* Should we throw an exception if this is already set? */
public void setPublicKey(PublicKey key) throws KeyManagementException {
check("setIdentityPublicKey");
this.publicKey = key;
certificates = new Vector<>();
}
/**
* Specifies a general information string for this identity.
*
* <p>First, if there is a security manager, its {@code checkSecurityAccess}
* method is called with {@code "setIdentityInfo"}
* as its argument to see if it's ok to specify the information string.
*
* @param info the information string.
*
* @exception SecurityException if a security manager exists and its
* {@code checkSecurityAccess} method doesn't allow
* setting the information string.
*
* @see #getInfo
* @see SecurityManager#checkSecurityAccess
*/
public void setInfo(String info) {
check("setIdentityInfo");
this.info = info;
}
/**
* Returns general information previously specified for this identity.
*
* @return general information about this identity.
*
* @see #setInfo
*/
public String getInfo() {
return info;
}
/**
* Adds a certificate for this identity. If the identity has a public
* key, the public key in the certificate must be the same, and if
* the identity does not have a public key, the identity's
* public key is set to be that specified in the certificate.
*
* <p>First, if there is a security manager, its {@code checkSecurityAccess}
* method is called with {@code "addIdentityCertificate"}
* as its argument to see if it's ok to add a certificate.
*
* @param certificate the certificate to be added.
*
* @exception KeyManagementException if the certificate is not valid,
* if the public key in the certificate being added conflicts with
* this identity's public key, or if another exception occurs.
*
* @exception SecurityException if a security manager exists and its
* {@code checkSecurityAccess} method doesn't allow
* adding a certificate.
*
* @see SecurityManager#checkSecurityAccess
*/
public void addCertificate(Certificate certificate)
throws KeyManagementException {
check("addIdentityCertificate");
if (certificates == null) {
certificates = new Vector<>();
}
if (publicKey != null) {
if (!keyEquals(publicKey, certificate.getPublicKey())) {
throw new KeyManagementException(
"public key different from cert public key");
}
} else {
publicKey = certificate.getPublicKey();
}
certificates.addElement(certificate);
}
private boolean keyEquals(PublicKey aKey, PublicKey anotherKey) {
String aKeyFormat = aKey.getFormat();
String anotherKeyFormat = anotherKey.getFormat();
if ((aKeyFormat == null) ^ (anotherKeyFormat == null))
return false;
if (aKeyFormat != null && anotherKeyFormat != null)
if (!aKeyFormat.equalsIgnoreCase(anotherKeyFormat))
return false;
return java.util.Arrays.equals(aKey.getEncoded(),
anotherKey.getEncoded());
}
/**
* Removes a certificate from this identity.
*
* <p>First, if there is a security manager, its {@code checkSecurityAccess}
* method is called with {@code "removeIdentityCertificate"}
* as its argument to see if it's ok to remove a certificate.
*
* @param certificate the certificate to be removed.
*
* @exception KeyManagementException if the certificate is
* missing, or if another exception occurs.
*
* @exception SecurityException if a security manager exists and its
* {@code checkSecurityAccess} method doesn't allow
* removing a certificate.
*
* @see SecurityManager#checkSecurityAccess
*/
public void removeCertificate(Certificate certificate)
throws KeyManagementException {
check("removeIdentityCertificate");
if (certificates != null) {
certificates.removeElement(certificate);
}
}
/**
* Returns a copy of all the certificates for this identity.
*
* @return a copy of all the certificates for this identity.
*/
public Certificate[] certificates() {
if (certificates == null) {
return new Certificate[0];
}
int len = certificates.size();
Certificate[] certs = new Certificate[len];
certificates.copyInto(certs);
return certs;
}
/**
* Tests for equality between the specified object and this identity.
* This first tests to see if the entities actually refer to the same
* object, in which case it returns true. Next, it checks to see if
* the entities have the same name and the same scope. If they do,
* the method returns true. Otherwise, it calls
* {@link #identityEquals(Identity) identityEquals}, which subclasses should
* override.
*
* @param identity the object to test for equality with this identity.
*
* @return true if the objects are considered equal, false otherwise.
*
* @see #identityEquals
*/
public final boolean equals(Object identity) {
if (identity == this) {
return true;
}
if (identity instanceof Identity) {
Identity i = (Identity)identity;
if (this.fullName().equals(i.fullName())) {
return true;
} else {
return identityEquals(i);
}
}
return false;
}
/**
* Tests for equality between the specified identity and this identity.
* This method should be overriden by subclasses to test for equality.
* The default behavior is to return true if the names and public keys
* are equal.
*
* @param identity the identity to test for equality with this identity.
*
* @return true if the identities are considered equal, false
* otherwise.
*
* @see #equals
*/
protected boolean identityEquals(Identity identity) {
if (!name.equalsIgnoreCase(identity.name))
return false;
if ((publicKey == null) ^ (identity.publicKey == null))
return false;
if (publicKey != null && identity.publicKey != null)
if (!publicKey.equals(identity.publicKey))
return false;
return true;
}
/**
* Returns a parsable name for identity: identityName.scopeName
*/
String fullName() {
String parsable = name;
if (scope != null) {
parsable += "." + scope.getName();
}
return parsable;
}
/**
* Returns a short string describing this identity, telling its
* name and its scope (if any).
*
* <p>First, if there is a security manager, its {@code checkSecurityAccess}
* method is called with {@code "printIdentity"}
* as its argument to see if it's ok to return the string.
*
* @return information about this identity, such as its name and the
* name of its scope (if any).
*
* @exception SecurityException if a security manager exists and its
* {@code checkSecurityAccess} method doesn't allow
* returning a string describing this identity.
*
* @see SecurityManager#checkSecurityAccess
*/
public String toString() {
check("printIdentity");
String printable = name;
if (scope != null) {
printable += "[" + scope.getName() + "]";
}
return printable;
}
/**
* Returns a string representation of this identity, with
* optionally more details than that provided by the
* {@code toString} method without any arguments.
*
* <p>First, if there is a security manager, its {@code checkSecurityAccess}
* method is called with {@code "printIdentity"}
* as its argument to see if it's ok to return the string.
*
* @param detailed whether or not to provide detailed information.
*
* @return information about this identity. If {@code detailed}
* is true, then this method returns more information than that
* provided by the {@code toString} method without any arguments.
*
* @exception SecurityException if a security manager exists and its
* {@code checkSecurityAccess} method doesn't allow
* returning a string describing this identity.
*
* @see #toString
* @see SecurityManager#checkSecurityAccess
*/
public String toString(boolean detailed) {
String out = toString();
if (detailed) {
out += "\n";
out += printKeys();
out += "\n" + printCertificates();
if (info != null) {
out += "\n\t" + info;
} else {
out += "\n\tno additional information available.";
}
}
return out;
}
String printKeys() {
String key = "";
if (publicKey != null) {
key = "\tpublic key initialized";
} else {
key = "\tno public key";
}
return key;
}
String printCertificates() {
String out = "";
if (certificates == null) {
return "\tno certificates";
} else {
out += "\tcertificates: \n";
int i = 1;
for (Certificate cert : certificates) {
out += "\tcertificate " + i++ +
"\tfor : " + cert.getPrincipal() + "\n";
out += "\t\t\tfrom : " +
cert.getGuarantor() + "\n";
}
}
return out;
}
/**
* Returns a hashcode for this identity.
*
* @return a hashcode for this identity.
*/
public int hashCode() {
return name.hashCode();
}
private static void check(String directive) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkSecurityAccess(directive);
}
}
}
⏎ java/security/Identity.java
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File name: java.base-11.0.1-src.zip File size: 8740354 bytes Release date: 2018-11-04 Download
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