Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.glorb.com!news-out.readnews.com!transit4.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!53ab2750!not-for-mail From: "Daniele Futtorovic" Subject: Re: How to digitally sign the message using digital certificate and Message-ID: <50327C36.57132.calajapr@time.synchro.net> X-Comment-To: suresh123kiran Newsgroups: comp.lang.java.programmer In-Reply-To: <5031396D.57066.calajapr@time.synchro.net> References: <5031396D.57066.calajapr@time.synchro.net> X-FTN-AREA: COMP.LANG.JAVA.PROGRAMMER X-FTN-MSGID: 1:261/38 31936160 X-FTN-REPLY: 1:261/38 6f380c32 Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.16a-Win32 NewsLink 1.98] Lines: 141 Date: Mon, 20 Aug 2012 18:58:25 GMT NNTP-Posting-Host: 69.21.70.65 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1345489105 69.21.70.65 (Mon, 20 Aug 2012 13:58:25 CDT) NNTP-Posting-Date: Mon, 20 Aug 2012 13:58:25 CDT Organization: tds.net Xref: csiph.com comp.lang.java.programmer:18207 To: suresh123kiran From: "Daniele Futtorovic" To: suresh123kiran From: "Daniele Futtorovic" To: suresh123kiran From: "Daniele Futtorovic" To: suresh123kiran From: "Daniele Futtorovic" To: suresh123kiran From: Daniele Futtorovic 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 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. -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24