Java Doc for DSAKeyPairGenerator.java in  » 6.0-JDK-Modules » j2me » sun » security » provider » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » sun.security.provider   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.security.KeyPairGenerator    sun.security.provider.DSAKeyPairGenerator DSAKeyPairGenerator public class DSAKeyPairGenerator extends KeyPairGenerator implements java.security.interfaces.DSAKeyPairGenerator(Code) This class generates DSA key parameters and public/private key pairs according to the DSS standard NIST FIPS 186. It uses the updated version of SHA, SHA-1 as described in FIPS 180-1. author:    Benjamin Renaud version:    1.14, 02/02/00 Field Summary  boolean generateNewParameters       SecureRandom random      Constructor Summary public   DSAKeyPairGenerator()      Method Summary public  KeyPair generateKeyPair()      Generates a pair of keys usable by any JavaSecurity compliant DSA implementation. Parameters:   rnd - the source of random bits from which the random keygeneration parameters are drawn. public  KeyPair generateKeyPair(BigInteger p, BigInteger q, BigInteger g, SecureRandom random)       BigInteger generateX(int[] seed, BigInteger q)      Given a seed, generate the private key component of the key pair.  BigInteger generateY(BigInteger x, BigInteger p, BigInteger g)      Generate the public key component y of the key pair. public  void initialize(int strength, SecureRandom random)      public  void initialize(int modlen, boolean genParams, SecureRandom random)      Initializes the DSA key pair generator. public  void initialize(DSAParams params, SecureRandom random)      Initializes the DSA object using a DSA parameter object. public  void initialize(AlgorithmParameterSpec params, SecureRandom random)      Initializes the DSA object using a parameter object. Field Detail generateNewParameters boolean generateNewParameters(Code) random SecureRandom random(Code) Constructor Detail DSAKeyPairGenerator public DSAKeyPairGenerator()(Code) Method Detail generateKeyPair public KeyPair generateKeyPair()(Code) Generates a pair of keys usable by any JavaSecurity compliant DSA implementation. Parameters:   rnd - the source of random bits from which the random keygeneration parameters are drawn. In particular, this includesthe XSEED parameter. exception:   InvalidParameterException - if the modulus is notbetween 512 and 1024. generateKeyPair public KeyPair generateKeyPair(BigInteger p, BigInteger q, BigInteger g, SecureRandom random)(Code) generateX BigInteger generateX(int[] seed, BigInteger q)(Code) Given a seed, generate the private key component of the key pair. In the terminology used in the DSA specification (FIPS-186) seed is the XSEED quantity. Parameters:   seed - the seed to use to generate the private key. generateY BigInteger generateY(BigInteger x, BigInteger p, BigInteger g)(Code) Generate the public key component y of the key pair. Parameters:   x - the private key component. Parameters:   p - the base parameter. initialize public void initialize(int strength, SecureRandom random)(Code) initialize public void initialize(int modlen, boolean genParams, SecureRandom random) throws InvalidParameterException(Code) Initializes the DSA key pair generator. If genParams is false, a set of pre-computed parameters is used. In this case, modelen must be 512, 768, or 1024. initialize public void initialize(DSAParams params, SecureRandom random) throws InvalidParameterException(Code) Initializes the DSA object using a DSA parameter object. Parameters:   params - a fully initialized DSA parameter object. initialize public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException(Code) Initializes the DSA object using a parameter object. Parameters:   params - the parameter set to be used to generatethe keys. Parameters:   random - the source of randomness for this generator. exception:   InvalidAlgorithmParameterException - if the given parametersare inappropriate for this key pair generator Methods inherited from java.security.KeyPairGenerator final public KeyPair genKeyPair()(Code)(Java Doc) public KeyPair generateKeyPair()(Code)(Java Doc) public String getAlgorithm()(Code)(Java Doc) public static KeyPairGenerator getInstance(String algorithm) throws NoSuchAlgorithmException(Code)(Java Doc) public static KeyPairGenerator getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException(Code)(Java Doc) public static KeyPairGenerator getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException(Code)(Java Doc) final public Provider getProvider()(Code)(Java Doc) public void initialize(int keysize)(Code)(Java Doc) public void initialize(int keysize, SecureRandom random)(Code)(Java Doc) public void initialize(AlgorithmParameterSpec params) throws InvalidAlgorithmParameterException(Code)(Java Doc) public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException(Code)(Java Doc)