JavaTM 2 Platform
Std. Ed. v1.3.1

java.security
Class Signer

java.lang.Object
  |
  +--java.security.Identity
        |
        +--java.security.Signer
All Implemented Interfaces:
Principal, Serializable

Deprecated. This class is no longer used. Its functionality has been replaced by java.security.KeyStore, the java.security.cert package, and java.security.Principal.

public abstract class Signer
extends Identity

This class is used to represent an Identity that can also digitally sign data.

The management of a signer's private keys is an important and sensitive issue that should be handled by subclasses as appropriate to their intended use.

See Also:
Identity, Serialized Form

Constructor Summary
protected Signer()
          Deprecated. Creates a signer.
  Signer(String name)
          Deprecated. Creates a signer with the specified identity name.
  Signer(String name, IdentityScope scope)
          Deprecated. Creates a signer with the specified identity name and scope.
 
Method Summary
 PrivateKey getPrivateKey()
          Deprecated. Returns this signer's private key.
 void setKeyPair(KeyPair pair)
          Deprecated. Sets the key pair (public key and private key) for this signer.
 String toString()
          Deprecated. Returns a string of information about the signer.
 
Methods inherited from class java.security.Identity
addCertificate, certificates, equals, getInfo, getName, getPublicKey, getScope, hashCode, identityEquals, removeCertificate, setInfo, setPublicKey, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Signer

protected Signer()
Deprecated. 
Creates a signer. This constructor should only be used for serialization.

Signer

public Signer(String name)
Deprecated. 
Creates a signer with the specified identity name.
Parameters:
name - the identity name.

Signer

public Signer(String name,
              IdentityScope scope)
       throws KeyManagementException
Deprecated. 
Creates a signer with the specified identity name and scope.
Parameters:
name - the identity name.
scope - the scope of the identity.
Throws:
KeyManagementException - if there is already an identity with the same name in the scope.
Method Detail

getPrivateKey

public PrivateKey getPrivateKey()
Deprecated. 
Returns this signer's private key.

First, if there is a security manager, its checkSecurityAccess method is called with "getSignerPrivateKey" as its argument to see if it's ok to return the private key.

Returns:
this signer's private key, or null if the private key has not yet been set.
Throws:
SecurityException - if a security manager exists and its checkSecurityAccess method doesn't allow returning the private key.
See Also:
SecurityManager.checkSecurityAccess(java.lang.String)

setKeyPair

public final void setKeyPair(KeyPair pair)
                      throws InvalidParameterException,
                             KeyException
Deprecated. 
Sets the key pair (public key and private key) for this signer.

First, if there is a security manager, its checkSecurityAccess method is called with "setSignerKeyPair" as its argument to see if it's ok to set the key pair.

Parameters:
pair - an initialized key pair.
Throws:
InvalidParameterException - if the key pair is not properly initialized.
KeyException - if the key pair cannot be set for any other reason.
SecurityException - if a security manager exists and its checkSecurityAccess method doesn't allow setting the key pair.
See Also:
SecurityManager.checkSecurityAccess(java.lang.String)

toString

public String toString()
Deprecated. 
Returns a string of information about the signer.
Overrides:
toString in class Identity
Returns:
a string of information about the signer.

JavaTM 2 Platform
Std. Ed. v1.3.1

Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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