Cross Reference: /openjdk7/jdk/src/share/classes/java/security/Signature.java

Lines Matching defs:Signature
50  * The Signature class is used to provide applications the functionality
62  * <p> A Signature object can be used to generate and verify digital
65  * <p> There are three phases to the use of a Signature object for
97  * this <code>Signature</code> class; all the methods in
102  * following standard <code>Signature</code> algorithms:
109  * "{@docRoot}/../technotes/guides/security/StandardNames.html#Signature">
110  * Signature section</a> of the
119 public abstract class Signature extends SignatureSpi {
122                         Debug.getInstance("jca", "Signature");
158      * Creates a Signature object for the specified algorithm.
161      * See the Signature section in the <a href=
162      * "{@docRoot}/../technotes/guides/security/StandardNames.html#Signature">
166     protected Signature(String algorithm) {
179             new ServiceId("Signature", "NONEwithRSA"),
188      * Returns a Signature object that implements the specified signature
193      * A new Signature object encapsulating the
201      * See the Signature section in the <a href=
202      * "{@docRoot}/../technotes/guides/security/StandardNames.html#Signature">
206      * @return the new Signature object.
209      *          Signature implementation for the
214     public static Signature getInstance(String algorithm)
220             list = GetInstance.getServices("Signature", algorithm);
225                 (algorithm + " Signature not available");
227         // try services until we find an Spi or a working Signature subclass
234                 // must be a subclass of Signature, disable dynamic selection
247     private static Signature getInstance(Instance instance, String algorithm) {
248         Signature sig;
249         if (instance.impl instanceof Signature) {
250             sig = (Signature)instance.impl;
287                 // Signature extends SignatureSpi
289                 // instance of SignatureSpi but not Signature
291                                 && (instance instanceof Signature == false);
308      * Returns a Signature object that implements the specified signature
311      * <p> A new Signature object encapsulating the
320      * See the Signature section in the <a href=
321      * "{@docRoot}/../technotes/guides/security/StandardNames.html#Signature">
327      * @return the new Signature object.
341     public static Signature getInstance(String algorithm, String provider)
356                 ("Signature", SignatureSpi.class, algorithm, provider);
361      * Returns a Signature object that implements the specified
364      * <p> A new Signature object encapsulating the
370      * See the Signature section in the <a href=
371      * "{@docRoot}/../technotes/guides/security/StandardNames.html#Signature">
377      * @return the new Signature object.
389     public static Signature getInstance(String algorithm, Provider provider)
399                 ("Signature", SignatureSpi.class, algorithm, provider);
405     private static Signature getInstanceRSA(Provider p)
407         // try Signature first
408         Service s = p.getService("Signature", RSA_SIGNATURE);
418             // throw Signature style exception message to avoid confusion,
775         return "Signature object: " + getAlgorithm() + initState;
890      * rather than from Signature. It represents a Signature with an
896      * Note: All SPI methods from the original Signature class have been
898      * been interposed in the hierarchy between the API (Signature)
902     private static class Delegate extends Signature {
950                 Signature that =
951                     new Delegate(sigSpiClone, ((Signature)this).algorithm);
952                 that.provider = ((Signature)this).provider;
998                         debug.println("Signature.init() not first method "