Java Doc for DSASigner.java in  » Security » Bouncy-Castle » org » bouncycastle » crypto » signers » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.crypto.signers   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.bouncycastle.crypto.signers.DSASigner DSASigner public class DSASigner implements DSA(Code) The Digital Signature Algorithm - as described in "Handbook of Applied Cryptography", pages 452 - 453. Field Summary  DSAKeyParameters key       SecureRandom random      Method Summary public  BigInteger[] generateSignature(byte[] message)      generate a signature for the given message using the key we were initialised with. public  void init(boolean forSigning, CipherParameters param)      public  boolean verifySignature(byte[] message, BigInteger r, BigInteger s)      return true if the value r and s represent a DSA signature for the passed in message for standard DSA the message should be a SHA-1 hash of the real message to be verified. Field Detail key DSAKeyParameters key(Code) random SecureRandom random(Code) Method Detail generateSignature public BigInteger[] generateSignature(byte[] message)(Code) generate a signature for the given message using the key we were initialised with. For conventional DSA the message should be a SHA-1 hash of the message of interest. Parameters:   message - the message that will be verified later. init public void init(boolean forSigning, CipherParameters param)(Code) verifySignature public boolean verifySignature(byte[] message, BigInteger r, BigInteger s)(Code) return true if the value r and s represent a DSA signature for the passed in message for standard DSA the message should be a SHA-1 hash of the real message to be verified. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)