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Showing content from https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/Signer.html below:

Signer (Java SE 21 & JDK 21)

All Implemented Interfaces:

Serializable, Principal

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.

Since:

1.1

See Also:

• Identity
• Serialized Form

• Constructor Summary

  Constructors

  protected

  Deprecated, for removal: This API element is subject to removal in a future version.

  Creates a Signer.

  Deprecated, for removal: This API element is subject to removal in a future version.

  Creates a Signer with the specified identity name.

  Deprecated, for removal: This API element is subject to removal in a future version.

  Creates a Signer with the specified identity name and scope.

• Method Summary

  Deprecated, for removal: This API element is subject to removal in a future version.

  Returns this signer's private key.

  final void

  Deprecated, for removal: This API element is subject to removal in a future version.

  Sets the key pair (public key and private key) for this Signer.

  Deprecated, for removal: This API element is subject to removal in a future version.

  Returns a string of information about the Signer.

  Methods declared in class java.security.IdentityaddCertificate, certificates, equals, getInfo, getName, getPublicKey, getScope, hashCode, identityEquals, removeCertificate, setInfo, setPublicKey, toString

• Constructor Details
  • Signer

    protected Signer()

    Deprecated, for removal: This API element is subject to removal in a future version.

    Creates a Signer. This constructor should only be used for serialization.

  • Signer

    Deprecated, for removal: This API element is subject to removal in a future version.

    Creates a Signer with the specified identity name.

    Parameters:

    name - the identity name.

  • Signer

    Deprecated, for removal: This API element is subject to removal in a future version.

    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 Details
  • getPrivateKey

    Deprecated, for removal: This API element is subject to removal in a future version.

    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

    Deprecated, for removal: This API element is subject to removal in a future version.

    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

    Deprecated, for removal: This API element is subject to removal in a future version.

    Returns a string of information about the Signer.

    Specified by:

    toString in interface Principal

    Overrides:

    toString in class Identity

    Returns:

    a string of information about the Signer.

    See Also:

    • SecurityManager.checkSecurityAccess(java.lang.String)

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