Examples of java.security.Signature.update()

java.security.Signature.update()
Updates the data to be signed or verified by a byte. @param b the byte to use for the update. @exception SignatureException if this signature object is not initialized properly.

    }
    
    try{
      Signature sig = CryptoECCUtils.getSignature( CryptoECCUtils.rawdataToPrivkey( private_key ));


      sig.update( ( name + pk_str + sid_str + version + content ).getBytes( "UTF-8" ));
      
      byte[]  sig_bytes = sig.sign();
      
      /*
      Signature verify = CryptoECCUtils.getSignature( CryptoECCUtils.rawdataToPubkey( public_key ));

View Full Code Here

            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);


            dOut.writeObject(reqInfo);


            sig.update(bOut.toByteArray());
        }
        catch (Exception e)
        {
            throw new SecurityException("exception encoding TBS cert request - " + e);
        }

View Full Code Here

            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);


            dOut.writeObject(reqInfo);


            sig.update(bOut.toByteArray());
        }
        catch (Exception e)
        {
            throw new SecurityException("exception encoding TBS cert request - " + e);
        }

View Full Code Here

            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);


            dOut.writeObject(tbsCert);


            sig.update(bOut.toByteArray());
        }
        catch (Exception e)
        {
            throw new SecurityException("exception encoding TBS cert - " + e);
        }

View Full Code Here

            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);


            dOut.writeObject(tbsCrl);


            sig.update(bOut.toByteArray());
        }
        catch (Exception e)
        {
            throw new SecurityException("exception encoding TBS cert - " + e);
        }

View Full Code Here

        else
        {
            sig.initSign(key);
        }


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


        return sig.sign();
    }


    static byte[] calculateSignature(

View Full Code Here

        else
        {
            sig.initSign(key);
        }


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


        return sig.sign();
    }


    static X509Principal convertPrincipal(

View Full Code Here

            signature = Signature.getInstance(c.getSignatureAlgorithm().getObjectId().getId());
        }


        signature.initVerify(key);


        signature.update(this.getTBSCertificate());


        if (!signature.verify(this.getSignature()))
        {
            throw new InvalidKeyException("Public key presented not for certificate signature");
        }

View Full Code Here

    {
        Signature signature = Signature.getInstance(c.getSignatureAlgorithm().getObjectId().getId(), sigProvider);


        signature.initVerify(key);


        signature.update(this.getTBSCertificate());


        if (!signature.verify(this.getSignature()))
        {
            throw new InvalidKeyException("Public key presented not for certificate signature");
        }

View Full Code Here

                signature = bar.readBinaryString();
            }


            Signature s = Signature.getInstance("SHA1withRSA");
            s.initVerify(pubKey);
            s.update(data);


            return s.verify(signature);
        } catch (NoSuchAlgorithmException nsae) {
            throw new InvalidSignatureException();
        } catch (IOException ioe) {

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.