javax/crypto/KeyAgreement.java

58  * following standard {@code KeyAgreement} algorithm:
62  * This algorithm is described in the <a href=
92     // The name of the key agreement algorithm.
93     private final String algorithm;
110      * @param algorithm the algorithm
113                            String algorithm) {
116         this.algorithm = algorithm;
120     private KeyAgreement(Service s, Iterator<Service> t, String algorithm) {
123         this.algorithm = algorithm;
128      * Returns the algorithm name of this {@code KeyAgreement} object.
134      * @return the algorithm name of this {@code KeyAgreement} object.
137         return this.algorithm;
142      * specified key agreement algorithm.
148      * Provider that supports the specified algorithm is returned.
157      * the preferred provider order for the specified algorithm. This
161      * @param algorithm the standard name of the requested key agreement
162      * algorithm.
166      * for information about standard algorithm names.
172      *         specified algorithm
174      * @throws NullPointerException if {@code algorithm} is {@code null}
178     public static final KeyAgreement getInstance(String algorithm)
180         Objects.requireNonNull(algorithm, "null algorithm name");
182                 GetInstance.getServices("KeyAgreement", algorithm);
190             return new KeyAgreement(s, t, algorithm);
193                                 ("Algorithm " + algorithm + " not available");
198      * specified key agreement algorithm.
208      * @param algorithm the standard name of the requested key agreement
209      * algorithm.
213      * for information about standard algorithm names.
223      *         implementation for the specified algorithm is not
229      * @throws NullPointerException if {@code algorithm} is {@code null}
233     public static final KeyAgreement getInstance(String algorithm,
236         Objects.requireNonNull(algorithm, "null algorithm name");
238                 ("KeyAgreement", KeyAgreementSpi.class, algorithm, provider);
240                 instance.provider, algorithm);
245      * specified key agreement algorithm.
252      * @param algorithm the standard name of the requested key agreement
253      * algorithm.
257      * for information about standard algorithm names.
267      *         implementation for the specified algorithm is not available
270      * @throws NullPointerException if {@code algorithm} is {@code null}
274     public static final KeyAgreement getInstance(String algorithm,
276         Objects.requireNonNull(algorithm, "null algorithm name");
278                 ("KeyAgreement", KeyAgreementSpi.class, algorithm, provider);
280                 instance.provider, algorithm);
430      * contain all the algorithm parameters required for this key agreement.
446      * has an incompatible algorithm type.
454      * randomness. The given key is required to contain all the algorithm
457      * <p> If the key agreement algorithm requires random bytes, it gets them
460      * algorithm implementation does not require any random bytes,
470      * has an incompatible algorithm type.
486             pdebug.println("KeyAgreement." + algorithm + " algorithm from: " +
493      * algorithm parameters.
510      * has an incompatible algorithm type.
526      * algorithm parameters, and source of randomness.
536      * has an incompatible algorithm type.
551             pdebug.println("KeyAgreement." + algorithm + " algorithm from: " +
588      * private information and algorithm parameters will be used for
612      * private information and algorithm parameters will be used for
635      * object of the specified algorithm.
640      * private information and algorithm parameters will be used for
643      * @param algorithm the requested secret-key algorithm
650      * algorithm is not available
652      * be used to generate a secret key of the specified algorithm (e.g.,
655     public final SecretKey generateSecret(String algorithm)
660         return spi.engineGenerateSecret(algorithm);