Java Doc for SHA1withDSA_SignatureImpl.java in  » Apache-Harmony-Java-SE » org-package » org » apache » harmony » security » provider » crypto » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.security.provider.crypto   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.security.Signature    org.apache.harmony.security.provider.crypto.SHA1withDSA_SignatureImpl SHA1withDSA_SignatureImpl public class SHA1withDSA_SignatureImpl extends Signature (Code) Constructor Summary public   SHA1withDSA_SignatureImpl()      The solo constructor. Method Summary protected  Object engineGetParameter(String param)      Deprecated method. protected  void engineInitSign(PrivateKey privateKey)      Initializes this signature object with PrivateKey object passed as argument to the method. protected  void engineInitVerify(PublicKey publicKey)      Initializes this signature object with PublicKey object passed as argument to the method. protected  void engineSetParameter(String param, Object value)      protected  byte[] engineSign()      Returns signature bytes as byte array containing ASN1 representation for two BigInteger objects which is SEQUENCE of two INTEGERS. protected  void engineUpdate(byte b)      Updates data to sign or to verify. protected  void engineUpdate(byte[] b, int off, int len)      Updates data to sign or to verify. protected  boolean engineVerify(byte[] sigBytes)      Verifies the signature bytes. protected  boolean engineVerify(byte[] sigBytes, int offset, int length)      Verifies the signature bytes. Constructor Detail SHA1withDSA_SignatureImpl public SHA1withDSA_SignatureImpl() throws NoSuchAlgorithmException(Code) The solo constructor. Method Detail engineGetParameter protected Object engineGetParameter(String param) throws InvalidParameterException(Code) Deprecated method. null engineInitSign protected void engineInitSign(PrivateKey privateKey) throws InvalidKeyException(Code) Initializes this signature object with PrivateKey object passed as argument to the method. throws:   InvalidKeyException - if privateKey is not DSAPrivateKey object engineInitVerify protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException(Code) Initializes this signature object with PublicKey object passed as argument to the method. throws:   InvalidKeyException - if publicKey is not DSAPublicKey object engineSetParameter protected void engineSetParameter(String param, Object value) throws InvalidParameterException(Code) engineSign protected byte[] engineSign() throws SignatureException(Code) Returns signature bytes as byte array containing ASN1 representation for two BigInteger objects which is SEQUENCE of two INTEGERS. Length of sequence varies from less than 46 to 48. Resets object to the state it was in when previous call to either "initSign" method was called. byte array containing signature in ASN1 representation throws:   SignatureException - if object's state is not SIGN or signature algorithm cannot process data engineUpdate protected void engineUpdate(byte b) throws SignatureException(Code) Updates data to sign or to verify. throws:   SignatureException - if object was not initialized for signing or verifying engineUpdate protected void engineUpdate(byte[] b, int off, int len) throws SignatureException(Code) Updates data to sign or to verify. throws:   SignatureException - if object was not initialized for signing or verifying engineVerify protected boolean engineVerify(byte[] sigBytes) throws SignatureException(Code) Verifies the signature bytes. true if signature bytes were verified, false otherwise throws:   SignatureException - if object's state is not VERIFY orsignature format is not ASN1 representation orsignature algorithm cannot process data engineVerify protected boolean engineVerify(byte[] sigBytes, int offset, int length) throws SignatureException(Code) Verifies the signature bytes. true if signature bytes were verified, false otherwise throws:   SignatureException - if object's state is not VERIFY orsignature format is not ASN1 representation orsignature algorithm cannot process data Fields inherited from java.security.Signature final protected static int SIGN(Code)(Java Doc) final protected static int UNINITIALIZED(Code)(Java Doc) final protected static int VERIFY(Code)(Java Doc) protected int state(Code)(Java Doc) Methods inherited from java.security.Signature public Object clone() throws CloneNotSupportedException(Code)(Java Doc) final public String getAlgorithm()(Code)(Java Doc) public static Signature getInstance(String algorithm) throws NoSuchAlgorithmException(Code)(Java Doc) public static Signature getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException(Code)(Java Doc) public static Signature getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException(Code)(Java Doc) final public Object getParameter(String param) throws InvalidParameterException(Code)(Java Doc) final public AlgorithmParameters getParameters()(Code)(Java Doc) final public Provider getProvider()(Code)(Java Doc) final public void initSign(PrivateKey privateKey) throws InvalidKeyException(Code)(Java Doc) final public void initSign(PrivateKey privateKey, SecureRandom random) throws InvalidKeyException(Code)(Java Doc) final public void initVerify(PublicKey publicKey) throws InvalidKeyException(Code)(Java Doc) final public void initVerify(Certificate certificate) throws InvalidKeyException(Code)(Java Doc) final public void setParameter(String param, Object value) throws InvalidParameterException(Code)(Java Doc) final public void setParameter(AlgorithmParameterSpec params) throws InvalidAlgorithmParameterException(Code)(Java Doc) final public byte[] sign() throws SignatureException(Code)(Java Doc) final public int sign(byte[] outbuf, int offset, int len) throws SignatureException(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void update(byte b) throws SignatureException(Code)(Java Doc) final public void update(byte[] data) throws SignatureException(Code)(Java Doc) final public void update(byte[] data, int off, int len) throws SignatureException(Code)(Java Doc) final public void update(ByteBuffer data) throws SignatureException(Code)(Java Doc) final public boolean verify(byte[] signature) throws SignatureException(Code)(Java Doc) final public boolean verify(byte[] signature, int offset, int length) throws SignatureException(Code)(Java Doc)