From: "suresh123kiran" <suresh123kiran@1:261/38.remove-rj6-this>

From: "suresh123kiran" <suresh123kiran@1:261/38.remove-wnx-this>

From: suresh123kiran <ursyamunaprabu@gmail.com>

Hi All ... I am working on webservices.... I need to digitally sign a message 
in which AcknowledgementNo using digital Certificate with  X.509 certificate 
private key. I tried this code but it showing invalid signature Encoding. Can 
anyone pls us to digitally sign.
Here is the below Java code to sign the AcknowledgementNo,Pls help me. Thanks 
in advance.


public class DigiAckNo {
        static class PrivateKeyAndCertChain {
                public PrivateKey mPrivateKey;
        }

        private static KeyStore loadKeyStoreFromPFXFile(String aFileName,
                        String aKeyStorePasswd) throws
GeneralSecurityException,
                        IOException {
                String PKCS12_KEYSTORE_TYPE = "PKCS12";
                KeyStore keyStore = KeyStore.getInstance(PKCS12_KEYSTORE_TYPE);
                FileInputStream keyStoreStream = new
FileInputStream(aFileName);
                char[] password = aKeyStorePasswd.toCharArray();
                keyStore.load(keyStoreStream, password);
                return keyStore;
        }


private static PrivateKeyAndCertChain getPrivateKeyAndCertChain(
                        KeyStore aKeyStore, String aKeyPassword)
                        throws GeneralSecurityException {
                char[] password = aKeyPassword.toCharArray();
                Enumeration<String> aliasesEnum = aKeyStore.aliases();
                if (aliasesEnum.hasMoreElements()) {
                        String alias = (String) aliasesEnum.nextElement();
                        Certificate[] certificationChain = aKeyStore
                                        .getCertificateChain(alias);
                        Certificate certificate509 =
aKeyStore.getCertificate(alias);

                        PrivateKey privateKey = (PrivateKey)
aKeyStore.getKey(alias,
                                        password);
                        PrivateKeyAndCertChain result = new
PrivateKeyAndCertChain();
                        result.mPrivateKey = privateKey;
                        return result;
                } else {
                        throw new KeyStoreException("The keystore is empty!");
                }
        }

private static byte[] signAckno(PrivateKey aPrivateKey)
                        throws GeneralSecurityException, IOException {
                String DIGITAL_SIGNATURE_ALGORITHM_NAME = "SHA1withRSA";
                Signature signatureAlgorithm = Signature
                                .getInstance(DIGITAL_SIGNATURE_ALGORITHM_NAME);
                String strAckNo = "41516019";

                byte[] ba = strAckNo.getBytes();

                signatureAlgorithm.initSign(aPrivateKey);
                signatureAlgorithm.update(ba);
                byte[] digitalSignature = signatureAlgorithm.sign();
                // Display plain text and signature
        return digitalSignature;
        }

public static String encodeBase64(byte[] rawData2) {
                return Base64.encode(rawData2);
        }

public static void main(String args[]) throws GeneralSecurityException,
                        IOException, CertificateException {
                String File = "d:\\projects\\GANGADHARAN.pfx";
                String pwd = "1235";
                KeyStore keyStore = loadKeyStoreFromPFXFile(File, pwd);
                PrivateKeyAndCertChain PrivateKeyAndCertChain =
getPrivateKeyAndCertChain(
                                keyStore, pwd);
                PrivateKey aPrivateKey = PrivateKeyAndCertChain.mPrivateKey;
                byte[] bytestr = signDocument(aPrivateKey);
                String strDocumentBase64 = encodeBase64(bytestr);
                System.out.println("strDocumentBase64" + strDocumentBase64);

        }

}

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  To: suresh123kiran
From: "Daniele Futtorovic" <daniele.futtorovic@1:261/38.remove-7rm-this>

  To: suresh123kiran
From: "Daniele Futtorovic" <daniele.futtorovic@1:261/38.remove-rj6-this>

  To: suresh123kiran
From: Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid>

On 17/08/2012 19:53, suresh123kiran allegedly wrote:
> Hi All ... I am working on webservices....
> I need to digitally sign a message in which AcknowledgementNo using digital
Certificate with  X.509 certificate private key.
> I tried this code but it showing invalid signature Encoding. Can anyone pls
us to digitally sign.
> Here is the below Java code to sign the AcknowledgementNo,Pls help me.
> Thanks in advance.
>
>
> public class DigiAckNo {
>       static class PrivateKeyAndCertChain {
>               public PrivateKey mPrivateKey;
>       }
>
>       private static KeyStore loadKeyStoreFromPFXFile(String aFileName,
>                       String aKeyStorePasswd) throws
GeneralSecurityException,
>                       IOException {
>               String PKCS12_KEYSTORE_TYPE = "PKCS12";
>               KeyStore keyStore = KeyStore.getInstance(PKCS12_KEYSTORE_TYPE);
>               FileInputStream keyStoreStream = new
FileInputStream(aFileName);
>               char[] password = aKeyStorePasswd.toCharArray();
>               keyStore.load(keyStoreStream, password);
>               return keyStore;
>       }
>
>
> private static PrivateKeyAndCertChain getPrivateKeyAndCertChain(
>                       KeyStore aKeyStore, String aKeyPassword)
>                       throws GeneralSecurityException {
>               char[] password = aKeyPassword.toCharArray();
>               Enumeration<String> aliasesEnum = aKeyStore.aliases();
>               if (aliasesEnum.hasMoreElements()) {
>                       String alias = (String) aliasesEnum.nextElement();
>                       Certificate[] certificationChain = aKeyStore
>                                       .getCertificateChain(alias);
>                       Certificate certificate509 =
aKeyStore.getCertificate(alias);
>
>                       PrivateKey privateKey = (PrivateKey)
aKeyStore.getKey(alias,
>                                       password);
>                       PrivateKeyAndCertChain result = new
PrivateKeyAndCertChain();
>                       result.mPrivateKey = privateKey;
>                       return result;
>               } else {
>                       throw new KeyStoreException("The keystore is empty!");
>               }
>       }
>
> private static byte[] signAckno(PrivateKey aPrivateKey)
>                       throws GeneralSecurityException, IOException {
>               String DIGITAL_SIGNATURE_ALGORITHM_NAME = "SHA1withRSA";
>               Signature signatureAlgorithm = Signature
>                               .getInstance(DIGITAL_SIGNATURE_ALGORITHM_NAME);
>               String strAckNo = "41516019";
>
>               byte[] ba = strAckNo.getBytes();
>
>               signatureAlgorithm.initSign(aPrivateKey);
>               signatureAlgorithm.update(ba);
>               byte[] digitalSignature = signatureAlgorithm.sign();
>               // Display plain text and signature
>       return digitalSignature;
>       }
>
> public static String encodeBase64(byte[] rawData2) {
>               return Base64.encode(rawData2);
>       }
>
> public static void main(String args[]) throws GeneralSecurityException,
>                       IOException, CertificateException {
>               String File = "d:\\projects\\GANGADHARAN.pfx";
>               String pwd = "1235";
>               KeyStore keyStore = loadKeyStoreFromPFXFile(File, pwd);
>               PrivateKeyAndCertChain PrivateKeyAndCertChain =
getPrivateKeyAndCertChain(
>                               keyStore, pwd);
>               PrivateKey aPrivateKey = PrivateKeyAndCertChain.mPrivateKey;
>               byte[] bytestr = signDocument(aPrivateKey);
>               String strDocumentBase64 = encodeBase64(bytestr);
>               System.out.println("strDocumentBase64" + strDocumentBase64);
>
>       }
>
> }
>

> I tried this code but it showing invalid signature Encoding

Where and how exactly does it show that? Is it an exception? Or the result of 
some processing? If the latter, what processing?

What exactly are your requirements? Do you really just need the signature, or 
perhaps some kind of CMS envelope?

--
DF.

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  To: suresh123kiran
From: "suresh123kiran" <suresh123kiran@1:261/38.remove-7rm-this>

  To: suresh123kiran
From: "suresh123kiran" <suresh123kiran@1:261/38.remove-rj6-this>

  To: suresh123kiran
From: suresh123kiran <ursyamunaprabu@gmail.com>

Thanks for ur reply... As i am working on Income Tax (DIT) project. They have 
given third party wsdl.
I need to get the response in which i need to sent four request parameter. One 
of which is signature.
So i try to sign a "AcknowledgmentNo" it showing "Signature encoding 
errorUnable to process digital signature". The requirement for the signature 
parameter is "AcknowledgementNo digitally signed by digital certificate and 
after digitally signed it should be Base64 encoded". I need ur help whether i 
am doing correct in signature parameter. If so why it showing Signature 
Encoding Error.
Is any other any to process the signature. If anyother information is needed to 
verify i can send to u.

--http://compgroups.net/comp.lang.java.programmer/how-to-digitally-sign-the-mes
sage-u/1693781

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