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Create certificate and use it to sign an xml document
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<cfscript> | |
/* | |
Required Jars need to be downloaded from https://www.bouncycastle.org/ | |
bcpkix-jdk18on-173.jar | |
bcprov-ext-jdk18on-173.jar | |
bcutil-jdk18on-173.jar | |
*/ | |
KeyFactory = createObject("java", "java.security.KeyFactory"); | |
PKCS8EncodedKeySpec = createObject("java", "java.security.spec.PKCS8EncodedKeySpec"); | |
keyPairGenerator = createObject( "java", "java.security.KeyPairGenerator" ).getInstance( "RSA" ); | |
x500Name = createObject("java", "org.bouncycastle.asn1.x500.X500Name"); | |
bigInteger = createObject("java", "java.math.BigInteger"); | |
x509v3CertificateBuilder = createObject("java", "org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder"); | |
jcaContentSignerBuilder = createObject("java", "org.bouncycastle.operator.jcajce.JcaContentSignerBuilder"); | |
jcaCertificateConverter= createObject("java", "org.bouncycastle.cert.jcajce.JcaX509CertificateConverter"); | |
// Generate a new RSA key pair | |
keyPairGenerator.initialize(2048); | |
keyPair = keyPairGenerator.genKeyPair(); | |
// Build a self-signed certificate | |
issuer = subject = x500Name.init("CN=Testing"); | |
notBefore = now(); | |
notAfter = dateAdd("yyyy", 1, notBefore); // 1 year validity | |
serial = bigInteger.valueOf(randRange(1, 99999999)); | |
certificateBuilder = x509v3CertificateBuilder.init(issuer, serial, notBefore, notAfter, subject, keyPair.getPublic()); | |
// Sign the certificate | |
signatureAlgorithm = "SHA256WithRSAEncryption"; | |
contentSigner = jcaContentSignerBuilder.init(signatureAlgorithm).build(keyPair.getPrivate()); | |
certificateHolder = certificateBuilder.build(contentSigner); | |
certificate=jcaCertificateConverter.init().getCertificate(certificateHolder).getEncoded(); | |
privateKey = KeyFactory.getInstance("RSA").generatePrivate(PKCS8EncodedKeySpec.init(binaryDecode(tobase64(keyPair.getPrivate().getEncoded()),'base64'))); | |
</cfscript> | |
<cfoutput> | |
<h2>Certificate String</h2> | |
<textarea>#tobase64(certificate)#</textarea> | |
<h2>Private Key String</h2> | |
<textarea>#tobase64(keyPair.getPrivate().getEncoded())#</textarea> | |
</cfoutput> |
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<cfscript> | |
privateKeyString = "PRIVATE KEY STRING"; | |
certString = "CERTIFICATE STRING"; | |
xmlString=fileRead("assert.xml"); | |
xmlDoc = XMLParse(xmlString); | |
KeyFactory = createObject("java", "java.security.KeyFactory"); | |
SecInit = CreateObject("Java", "org.apache.xml.security.Init").Init().init(); | |
SignatureConstants=CreateObject("Java", "org.apache.xml.security.utils.Constants"); | |
SignatureSpecNS = SignatureConstants.SignatureSpecNS; | |
PKCS8EncodedKeySpec = createObject("java", "java.security.spec.PKCS8EncodedKeySpec"); | |
privateKey = KeyFactory.getInstance("RSA").generatePrivate(PKCS8EncodedKeySpec.init(binaryDecode(privateKeyString, "base64"))); | |
CertificateFactory = createObject("java", "java.security.cert.CertificateFactory"); | |
ByteArrayInputStream = createObject("java", "java.io.ByteArrayInputStream"); | |
certificate = CertificateFactory.getInstance("X.509").generateCertificate(ByteArrayInputStream.init(binaryDecode(certString, "base64"))); | |
XMLSignatureFactory = createObject("java", "javax.xml.crypto.dsig.XMLSignatureFactory"); | |
reference = XMLSignatureFactory.getInstance("DOM").newReference( | |
"", | |
XMLSignatureFactory.getInstance("DOM").newDigestMethod("http://www.w3.org/2000/09/xmldsig##sha1", javaCast("null", "")), | |
[], | |
javaCast("null", ""), | |
javaCast("null", "") | |
); | |
signedInfo = XMLSignatureFactory.getInstance("DOM").newSignedInfo( | |
XMLSignatureFactory.getInstance("DOM").newCanonicalizationMethod("http://www.w3.org/TR/2001/REC-xml-c14n-20010315", javaCast("null", "")), | |
XMLSignatureFactory.getInstance("DOM").newSignatureMethod("http://www.w3.org/2000/09/xmldsig##rsa-sha1", javaCast("null", "")), | |
[reference] | |
); | |
KeyInfoFactory = XMLSignatureFactory.getInstance("DOM").getKeyInfoFactory(); | |
X509Data = KeyInfoFactory.newX509Data([certificate]); | |
keyInfo = KeyInfoFactory.newKeyInfo([X509Data]); | |
xmlSignature = XMLSignatureFactory.getInstance("DOM").newXMLSignature(signedInfo, keyInfo); | |
DOMSignContext = createObject("java", "javax.xml.crypto.dsig.dom.DOMSignContext"); | |
domSignContext.init(privateKey, xmlDoc.getDocumentElement()); | |
xmlSignature.sign(domSignContext); | |
dump(xmlDoc); | |
</cfscript> |
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