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Diffstat (limited to 'libraries/spongycastle/prov/src/main/java/org/spongycastle/x509/examples/AttrCertExample.java')
-rw-r--r-- | libraries/spongycastle/prov/src/main/java/org/spongycastle/x509/examples/AttrCertExample.java | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/x509/examples/AttrCertExample.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/x509/examples/AttrCertExample.java new file mode 100644 index 000000000..28f065cef --- /dev/null +++ b/libraries/spongycastle/prov/src/main/java/org/spongycastle/x509/examples/AttrCertExample.java @@ -0,0 +1,314 @@ +package org.spongycastle.x509.examples; + +import java.math.BigInteger; +import java.security.KeyFactory; +import java.security.PrivateKey; +import java.security.PublicKey; +import java.security.Security; +import java.security.cert.X509Certificate; +import java.security.spec.RSAPrivateCrtKeySpec; +import java.security.spec.RSAPublicKeySpec; +import java.util.Date; +import java.util.Hashtable; +import java.util.Vector; + +import org.spongycastle.asn1.ASN1EncodableVector; +import org.spongycastle.asn1.DERSequence; +import org.spongycastle.asn1.misc.MiscObjectIdentifiers; +import org.spongycastle.asn1.misc.NetscapeCertType; +import org.spongycastle.asn1.x509.GeneralName; +import org.spongycastle.jce.X509Principal; +import org.spongycastle.jce.provider.BouncyCastleProvider; +import org.spongycastle.x509.AttributeCertificateHolder; +import org.spongycastle.x509.AttributeCertificateIssuer; +import org.spongycastle.x509.X509Attribute; +import org.spongycastle.x509.X509V1CertificateGenerator; +import org.spongycastle.x509.X509V2AttributeCertificate; +import org.spongycastle.x509.X509V2AttributeCertificateGenerator; +import org.spongycastle.x509.X509V3CertificateGenerator; + +/** + * A simple example that generates an attribute certificate. + */ +public class AttrCertExample +{ + static X509V1CertificateGenerator v1CertGen = new X509V1CertificateGenerator(); + static X509V3CertificateGenerator v3CertGen = new X509V3CertificateGenerator(); + + /** + * we generate the AC issuer's certificate + */ + public static X509Certificate createAcIssuerCert( + PublicKey pubKey, + PrivateKey privKey) + throws Exception + { + // + // signers name + // + String issuer = "C=AU, O=The Legion of the Bouncy Castle, OU=Bouncy Primary Certificate"; + + // + // subjects name - the same as we are self signed. + // + String subject = "C=AU, O=The Legion of the Bouncy Castle, OU=Bouncy Primary Certificate"; + + // + // create the certificate - version 1 + // + + v1CertGen.setSerialNumber(BigInteger.valueOf(10)); + v1CertGen.setIssuerDN(new X509Principal(issuer)); + v1CertGen.setNotBefore(new Date(System.currentTimeMillis() - 1000L * 60 * 60 * 24 * 30)); + v1CertGen.setNotAfter(new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 30))); + v1CertGen.setSubjectDN(new X509Principal(subject)); + v1CertGen.setPublicKey(pubKey); + v1CertGen.setSignatureAlgorithm("SHA1WithRSAEncryption"); + + X509Certificate cert = v1CertGen.generate(privKey); + + cert.checkValidity(new Date()); + + cert.verify(pubKey); + + return cert; + } + + /** + * we generate a certificate signed by our CA's intermediate certficate + */ + public static X509Certificate createClientCert( + PublicKey pubKey, + PrivateKey caPrivKey, + PublicKey caPubKey) + throws Exception + { + // + // issuer + // + String issuer = "C=AU, O=The Legion of the Bouncy Castle, OU=Bouncy Primary Certificate"; + + // + // subjects name table. + // + Hashtable attrs = new Hashtable(); + Vector order = new Vector(); + + attrs.put(X509Principal.C, "AU"); + attrs.put(X509Principal.O, "The Legion of the Bouncy Castle"); + attrs.put(X509Principal.L, "Melbourne"); + attrs.put(X509Principal.CN, "Eric H. Echidna"); + attrs.put(X509Principal.EmailAddress, "feedback-crypto@bouncycastle.org"); + + order.addElement(X509Principal.C); + order.addElement(X509Principal.O); + order.addElement(X509Principal.L); + order.addElement(X509Principal.CN); + order.addElement(X509Principal.EmailAddress); + + // + // create the certificate - version 3 + // + v3CertGen.reset(); + + v3CertGen.setSerialNumber(BigInteger.valueOf(20)); + v3CertGen.setIssuerDN(new X509Principal(issuer)); + v3CertGen.setNotBefore(new Date(System.currentTimeMillis() - 1000L * 60 * 60 * 24 * 30)); + v3CertGen.setNotAfter(new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 30))); + v3CertGen.setSubjectDN(new X509Principal(order, attrs)); + v3CertGen.setPublicKey(pubKey); + v3CertGen.setSignatureAlgorithm("SHA1WithRSAEncryption"); + + // + // add the extensions + // + + v3CertGen.addExtension( + MiscObjectIdentifiers.netscapeCertType, + false, + new NetscapeCertType(NetscapeCertType.objectSigning | NetscapeCertType.smime)); + + X509Certificate cert = v3CertGen.generate(caPrivKey); + + cert.checkValidity(new Date()); + + cert.verify(caPubKey); + + return cert; + } + + public static void main(String args[]) + throws Exception + { + Security.addProvider(new BouncyCastleProvider()); + + // + // personal keys + // + RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec( + new BigInteger("b4a7e46170574f16a97082b22be58b6a2a629798419be12872a4bdba626cfae9900f76abfb12139dce5de56564fab2b6543165a040c606887420e33d91ed7ed7", 16), + new BigInteger("11", 16)); + + RSAPrivateCrtKeySpec privKeySpec = new RSAPrivateCrtKeySpec( + new BigInteger("b4a7e46170574f16a97082b22be58b6a2a629798419be12872a4bdba626cfae9900f76abfb12139dce5de56564fab2b6543165a040c606887420e33d91ed7ed7", 16), + new BigInteger("11", 16), + new BigInteger("9f66f6b05410cd503b2709e88115d55daced94d1a34d4e32bf824d0dde6028ae79c5f07b580f5dce240d7111f7ddb130a7945cd7d957d1920994da389f490c89", 16), + new BigInteger("c0a0758cdf14256f78d4708c86becdead1b50ad4ad6c5c703e2168fbf37884cb", 16), + new BigInteger("f01734d7960ea60070f1b06f2bb81bfac48ff192ae18451d5e56c734a5aab8a5", 16), + new BigInteger("b54bb9edff22051d9ee60f9351a48591b6500a319429c069a3e335a1d6171391", 16), + new BigInteger("d3d83daf2a0cecd3367ae6f8ae1aeb82e9ac2f816c6fc483533d8297dd7884cd", 16), + new BigInteger("b8f52fc6f38593dabb661d3f50f8897f8106eee68b1bce78a95b132b4e5b5d19", 16)); + + // + // ca keys + // + RSAPublicKeySpec caPubKeySpec = new RSAPublicKeySpec( + new BigInteger("b259d2d6e627a768c94be36164c2d9fc79d97aab9253140e5bf17751197731d6f7540d2509e7b9ffee0a70a6e26d56e92d2edd7f85aba85600b69089f35f6bdbf3c298e05842535d9f064e6b0391cb7d306e0a2d20c4dfb4e7b49a9640bdea26c10ad69c3f05007ce2513cee44cfe01998e62b6c3637d3fc0391079b26ee36d5", 16), + new BigInteger("11", 16)); + + RSAPrivateCrtKeySpec caPrivKeySpec = new RSAPrivateCrtKeySpec( + new BigInteger("b259d2d6e627a768c94be36164c2d9fc79d97aab9253140e5bf17751197731d6f7540d2509e7b9ffee0a70a6e26d56e92d2edd7f85aba85600b69089f35f6bdbf3c298e05842535d9f064e6b0391cb7d306e0a2d20c4dfb4e7b49a9640bdea26c10ad69c3f05007ce2513cee44cfe01998e62b6c3637d3fc0391079b26ee36d5", 16), + new BigInteger("11", 16), + new BigInteger("92e08f83cc9920746989ca5034dcb384a094fb9c5a6288fcc4304424ab8f56388f72652d8fafc65a4b9020896f2cde297080f2a540e7b7ce5af0b3446e1258d1dd7f245cf54124b4c6e17da21b90a0ebd22605e6f45c9f136d7a13eaac1c0f7487de8bd6d924972408ebb58af71e76fd7b012a8d0e165f3ae2e5077a8648e619", 16), + new BigInteger("f75e80839b9b9379f1cf1128f321639757dba514642c206bbbd99f9a4846208b3e93fbbe5e0527cc59b1d4b929d9555853004c7c8b30ee6a213c3d1bb7415d03", 16), + new BigInteger("b892d9ebdbfc37e397256dd8a5d3123534d1f03726284743ddc6be3a709edb696fc40c7d902ed804c6eee730eee3d5b20bf6bd8d87a296813c87d3b3cc9d7947", 16), + new BigInteger("1d1a2d3ca8e52068b3094d501c9a842fec37f54db16e9a67070a8b3f53cc03d4257ad252a1a640eadd603724d7bf3737914b544ae332eedf4f34436cac25ceb5", 16), + new BigInteger("6c929e4e81672fef49d9c825163fec97c4b7ba7acb26c0824638ac22605d7201c94625770984f78a56e6e25904fe7db407099cad9b14588841b94f5ab498dded", 16), + new BigInteger("dae7651ee69ad1d081ec5e7188ae126f6004ff39556bde90e0b870962fa7b926d070686d8244fe5a9aa709a95686a104614834b0ada4b10f53197a5cb4c97339", 16)); + + // + // set up the keys + // + KeyFactory fact = KeyFactory.getInstance("RSA", "SC"); + PrivateKey caPrivKey = fact.generatePrivate(caPrivKeySpec); + PublicKey caPubKey = fact.generatePublic(caPubKeySpec); + PrivateKey privKey = fact.generatePrivate(privKeySpec); + PublicKey pubKey = fact.generatePublic(pubKeySpec); + + // + // note in this case we are using the CA certificate for both the client cetificate + // and the attribute certificate. This is to make the vcode simpler to read, in practice + // the CA for the attribute certificate should be different to that of the client certificate + // + X509Certificate caCert = createAcIssuerCert(caPubKey, caPrivKey); + X509Certificate clientCert = createClientCert(pubKey, caPrivKey, caPubKey); + + // Instantiate a new AC generator + X509V2AttributeCertificateGenerator acGen = new X509V2AttributeCertificateGenerator(); + + acGen.reset(); + + // + // Holder: here we use the IssuerSerial form + // + acGen.setHolder(new AttributeCertificateHolder(clientCert)); + + // set the Issuer + acGen.setIssuer(new AttributeCertificateIssuer(caCert.getSubjectX500Principal())); + + // + // serial number (as it's an example we don't have to keep track of the + // serials anyway + // + acGen.setSerialNumber(new BigInteger("1")); + + // not Before + acGen.setNotBefore(new Date(System.currentTimeMillis() - 50000)); + + // not After + acGen.setNotAfter(new Date(System.currentTimeMillis() + 50000)); + + // signature Algorithmus + acGen.setSignatureAlgorithm("SHA1WithRSAEncryption"); + + // the actual attributes + GeneralName roleName = new GeneralName(GeneralName.rfc822Name, "DAU123456789"); + ASN1EncodableVector roleSyntax = new ASN1EncodableVector(); + roleSyntax.add(roleName); + + // roleSyntax OID: 2.5.24.72 + X509Attribute attributes = new X509Attribute("2.5.24.72", + new DERSequence(roleSyntax)); + + acGen.addAttribute(attributes); + + // finally create the AC + X509V2AttributeCertificate att = (X509V2AttributeCertificate)acGen + .generate(caPrivKey, "SC"); + + // + // starting here, we parse the newly generated AC + // + + // Holder + + AttributeCertificateHolder h = att.getHolder(); + if (h.match(clientCert)) + { + if (h.getEntityNames() != null) + { + System.out.println(h.getEntityNames().length + " entity names found"); + } + if (h.getIssuer() != null) + { + System.out.println(h.getIssuer().length + " issuer names found, serial number " + h.getSerialNumber()); + } + System.out.println("Matches original client x509 cert"); + } + + // Issuer + + AttributeCertificateIssuer issuer = att.getIssuer(); + if (issuer.match(caCert)) + { + if (issuer.getPrincipals() != null) + { + System.out.println(issuer.getPrincipals().length + " entity names found"); + } + System.out.println("Matches original ca x509 cert"); + } + + // Dates + System.out.println("valid not before: " + att.getNotBefore()); + System.out.println("valid not before: " + att.getNotAfter()); + + // check the dates, an exception is thrown in checkValidity()... + + try + { + att.checkValidity(); + att.checkValidity(new Date()); + } + catch (Exception e) + { + System.out.println(e); + } + + // verify + + try + { + att.verify(caPubKey, "SC"); + } + catch (Exception e) + { + System.out.println(e); + } + + // Attribute + X509Attribute[] attribs = att.getAttributes(); + System.out.println("cert has " + attribs.length + " attributes:"); + for (int i = 0; i < attribs.length; i++) + { + X509Attribute a = attribs[i]; + System.out.println("OID: " + a.getOID()); + + // currently we only check for the presence of a 'RoleSyntax' attribute + + if (a.getOID().equals("2.5.24.72")) + { + System.out.println("rolesyntax read from cert!"); + } + } + } +}
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