Examples of java.security.Signature.sign()

java.security.Signature.sign()
Returns the signature bytes of all the data updated. The format of the signature depends on the underlying signature scheme.
A call to this method resets this signature object to the state it was in when previously initialized for signing via a call to initSign(PrivateKey). That is, the object is reset and available to generate another signature from the same signer, if desired, via new calls to update and sign. @return the signature bytes of the signing operation's result. @exception SignatureException if this signature object is notinitialized properly or if this signature algorithm is unable to process the input data provided.


        byte[] message = new byte[] { (byte)'a', (byte)'b', (byte)'c' };


        sgr.update(message);


        byte[]  sigBytes = sgr.sign();


        sgr.initVerify(vKey);


        sgr.update(message);

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        s.initSign(sKey);


        s.update(data);


        byte[]  sigBytes = s.sign();


        s = Signature.getInstance("GOST3410", "BC");


        s.initVerify(vKey);

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        s.initSign(sKey);


        s.update(data);


        sigBytes = s.sign();


        s = Signature.getInstance("GOST3410", "BC");


        s.initVerify(vKey);

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        s.initSign(sKey);


        s.update(data);


        sigBytes = s.sign();


        s = Signature.getInstance("ECGOST3410", "BC");


        s.initVerify(vKey);

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        s.initSign(sKey);


        s.update(data);


        byte[]  sigBytes = s.sign();


        s = Signature.getInstance("GOST3410", "BC");


        s.initVerify(vKey);

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        sig.initSign(signingKey);


        sig.update(data);


        byte[]  sigBytes = sig.sign();


        sig.initVerify(verifyKey);


        sig.update(data);

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        sig.initSign(signingKey);


        sig.update(data);


        sigBytes = sig.sign();


        sig.initVerify(verifyKey);


        sig.update(data);

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        sig.initSign(signingKey);


        sig.update(data);


        sigBytes = sig.sign();


        sig.initVerify(verifyKey);


        sig.update(data);

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        sig.initSign(signingKey);


        sig.update(data);


        sigBytes = sig.sign();


        sig.initVerify(verifyKey);


        sig.update(data);

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        sig.initSign(signingKey);


        sig.update(data);


        sigBytes = sig.sign();


        sig.initVerify(verifyKey);


        sig.update(data);

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