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.

            sig.initSign(key);
        }


        sig.update(object.getEncoded(ASN1Encodable.DER));


        return sig.sign();
    }


    static byte[] calculateSignature(
        DERObjectIdentifier sigOid,
        String              sigName,

View Full Code Here

            sig.initSign(key);
        }


        sig.update(object.getEncoded(ASN1Encodable.DER));


        return sig.sign();
    }


    static X509Principal convertPrincipal(
        X500Principal principal)
    {

View Full Code Here

            sig.initSign(prvKey);
            sig.update(data);


            ByteArrayWriter baw = new ByteArrayWriter();
            baw.writeString(getAlgorithmName());
            baw.writeBinaryString(sig.sign());


            return baw.toByteArray();
        } catch (Exception e) {
            return null;
        }

View Full Code Here

            Signature sig = Signature.getInstance("SHA1withDSA");
            sig.initSign(prvkey);


            sig.update(data);


            byte[] signature = sig.sign();
            byte[] decoded = new byte[40];
            SimpleASNReader asn = new SimpleASNReader(signature);
            asn.getByte();
            asn.getLength();
            asn.getByte();

View Full Code Here

      if (!first) dosetaBuffer.append(";");
      dosetaBuffer.append("b=");
      String dosetaHeader = dosetaBuffer.toString();
      signature.update(dosetaHeader.getBytes());


      byte[] signed = signature.sign();
      setSignature(signed);
      String base64Signature = Base64.encodeBytes(signed);
      dosetaHeader += base64Signature;
//      System.out.println("***: " + dosetaHeader);
      this.headerValue = dosetaHeader;

View Full Code Here

                sign.update(buffer, 0, len);
            }
            bufin.close();


            /* generate unterschrift */
            byte[] realSig = sign.sign();


            /* save in to file �signature� */
            saveToFile(realSig, signFile);
        } catch (NoClassDefFoundError e) {
            throw new Exception("no such Definition : " + e);

View Full Code Here

        catch (Exception e)
        {
            throw new SecurityException("exception encoding TBS cert request - " + e);
        }


        this.sigBits = new DERBitString(sig.sign());
    }


    /**
     * return the public key associated with the certification request -
     * the public key is created using the BC provider.

View Full Code Here


        ASN1EncodableVector  v = new ASN1EncodableVector();


        v.add(tbsCert);
        v.add(sigAlgId);
        v.add(new DERBitString(sig.sign()));


        return new X509CertificateObject(new X509CertificateStructure(new DERSequence(v)));
    }
}

View Full Code Here

    private byte[] computeSignature(String stringToBeSigned, PrivateKey signingKey) throws GeneralSecurityException {
        String algo = signingKey.getAlgorithm();
        Signature sig = getSignature(algo);
        sig.initSign(signingKey);
        sig.update(stringToBeSigned.getBytes());
        return sig.sign();
    }


    public void validateSignature(SamlRedirectMessage urlEncodedRedirectMessage, PublicKey publicKey) throws InvalidRequestException {
        if (urlEncodedRedirectMessage.getSignature() == null) {
            throw new InvalidRequestException("Signature parameter is not present.");

View Full Code Here


        Signature sig = Signature.getInstance("SHA1with"+algorithm);
        sig.initSign(key.getPrivate());
        sig.update(key.getPublic().getEncoded());
        sig.update(sharedSecret);
        writeObject(sig.sign());
    }


    /**
     * Verifies that we are talking to a peer that actually owns the private key corresponding to the public key we get.
     */

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.