static byte[] buildDSA(DSAPublicKey key) { DataByteOutputStream out = new DataByteOutputStream(); BigInteger q = key.getParams().getQ(); BigInteger p = key.getParams().getP(); BigInteger g = key.getParams().getG(); BigInteger y = key.getY(); int t = (p.toByteArray().length - 64) / 8; out.writeByte(t); out.writeBigInteger(q); out.writeBigInteger(p); out.writeBigInteger(g); out.writeBigInteger(y); return out.toByteArray(); }
/** * Appends an HTML representation of the given X509Certificate. * * @param sb StringBuilder to append to * @param certificate to print */ private void renderX509(StringBuilder sb, X509Certificate certificate) { X500Principal issuer = certificate.getIssuerX500Principal(); X500Principal subject = certificate.getSubjectX500Principal(); sb.append("<table cellspacing='1' cellpadding='1'>\n"); // subject addTitle(sb, R.getI18NString("service.gui.CERT_INFO_ISSUED_TO")); try { for (Rdn name : new LdapName(subject.getName()).getRdns()) { String nameType = name.getType(); String lblKey = "service.gui.CERT_INFO_" + nameType; String lbl = R.getI18NString(lblKey); if ((lbl == null) || ("!" + lblKey + "!").equals(lbl)) lbl = nameType; final String value; Object nameValue = name.getValue(); if (nameValue instanceof byte[]) { byte[] nameValueAsByteArray = (byte[]) nameValue; value = getHex(nameValueAsByteArray) + " (" + new String(nameValueAsByteArray) + ")"; } else value = nameValue.toString(); addField(sb, lbl, value); } } catch (InvalidNameException ine) { addField(sb, R.getI18NString("service.gui.CERT_INFO_CN"), subject.getName()); } // issuer addTitle(sb, R.getI18NString("service.gui.CERT_INFO_ISSUED_BY")); try { for (Rdn name : new LdapName(issuer.getName()).getRdns()) { String nameType = name.getType(); String lblKey = "service.gui.CERT_INFO_" + nameType; String lbl = R.getI18NString(lblKey); if ((lbl == null) || ("!" + lblKey + "!").equals(lbl)) lbl = nameType; final String value; Object nameValue = name.getValue(); if (nameValue instanceof byte[]) { byte[] nameValueAsByteArray = (byte[]) nameValue; value = getHex(nameValueAsByteArray) + " (" + new String(nameValueAsByteArray) + ")"; } else value = nameValue.toString(); addField(sb, lbl, value); } } catch (InvalidNameException ine) { addField(sb, R.getI18NString("service.gui.CERT_INFO_CN"), issuer.getName()); } // validity addTitle(sb, R.getI18NString("service.gui.CERT_INFO_VALIDITY")); addField( sb, R.getI18NString("service.gui.CERT_INFO_ISSUED_ON"), certificate.getNotBefore().toString()); addField( sb, R.getI18NString("service.gui.CERT_INFO_EXPIRES_ON"), certificate.getNotAfter().toString()); addTitle(sb, R.getI18NString("service.gui.CERT_INFO_FINGERPRINTS")); try { String sha1String = getThumbprint(certificate, "SHA1"); String md5String = getThumbprint(certificate, "MD5"); addField(sb, "SHA1:", sha1String); addField(sb, "MD5:", md5String); } catch (CertificateException e) { // do nothing as we cannot show this value } addTitle(sb, R.getI18NString("service.gui.CERT_INFO_CERT_DETAILS")); addField( sb, R.getI18NString("service.gui.CERT_INFO_SER_NUM"), certificate.getSerialNumber().toString()); addField( sb, R.getI18NString("service.gui.CERT_INFO_VER"), String.valueOf(certificate.getVersion())); addField( sb, R.getI18NString("service.gui.CERT_INFO_SIGN_ALG"), String.valueOf(certificate.getSigAlgName())); addTitle(sb, R.getI18NString("service.gui.CERT_INFO_PUB_KEY_INFO")); addField( sb, R.getI18NString("service.gui.CERT_INFO_ALG"), certificate.getPublicKey().getAlgorithm()); if (certificate.getPublicKey().getAlgorithm().equals("RSA")) { RSAPublicKey key = (RSAPublicKey) certificate.getPublicKey(); addField( sb, R.getI18NString("service.gui.CERT_INFO_PUB_KEY"), R.getI18NString( "service.gui.CERT_INFO_KEY_BYTES_PRINT", new String[] { String.valueOf(key.getModulus().toByteArray().length - 1), key.getModulus().toString(16) })); addField( sb, R.getI18NString("service.gui.CERT_INFO_EXP"), key.getPublicExponent().toString()); addField( sb, R.getI18NString("service.gui.CERT_INFO_KEY_SIZE"), R.getI18NString( "service.gui.CERT_INFO_KEY_BITS_PRINT", new String[] {String.valueOf(key.getModulus().bitLength())})); } else if (certificate.getPublicKey().getAlgorithm().equals("DSA")) { DSAPublicKey key = (DSAPublicKey) certificate.getPublicKey(); addField(sb, "Y:", key.getY().toString(16)); } addField( sb, R.getI18NString("service.gui.CERT_INFO_SIGN"), R.getI18NString( "service.gui.CERT_INFO_KEY_BYTES_PRINT", new String[] { String.valueOf(certificate.getSignature().length), getHex(certificate.getSignature()) })); sb.append("</table>\n"); }