public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
calledCheckServerTrusted = true;
if (!authType.equals("RSA") && !authType.equals("DHE_RSA"))
throw new CertificateException("Only RSA and DHE_RSA supported, not " + authType);
if (chain.length != 3) throw new CertificateException("Need three certificates");
X509Certificate cert0 = chain[0];
X509Certificate cert1 = chain[1];
X509Certificate cert2 = chain[2];
int failedCert = 0;
try {
// NOTE: cert0 is a self-signed key used only for SSL
failedCert = 0;
cert0.verify(cert0.getPublicKey());
// NOTE: cert1 is the SSL key signed by the server's Martus key
failedCert = 1;
cert1.verify(cert2.getPublicKey());
// NOTE: cert2 is a self-signed key of and by the server's Martus key
failedCert = 2;
cert2.verify(cert2.getPublicKey());
failedCert = -1;
PublicKey tryPublicKey = expectedPublicKey;
if (tryPublicKey == null) {
if (expectedPublicCode == null) throw new CertificateException("No key or code is trusted");
String certPublicKeyString = SimpleX509TrustManager.getKeyString(cert2.getPublicKey());
String certPublicCode = MartusCrypto.computePublicCode(certPublicKeyString);
if (expectedPublicCode.equals(certPublicCode)) {
tryPublicKey = cert2.getPublicKey();
}
}
if (tryPublicKey == null) throw new CertificateException("Key is not trusted");
cert1.verify(tryPublicKey);
String keyString = SimpleX509TrustManager.getKeyString(tryPublicKey);
setExpectedPublicKey(keyString);
} catch (SignatureException e) {
MartusLogger.logException(e);
MartusLogger.log("Failed cert: " + failedCert);
String key0 = SimpleX509TrustManager.getKeyString(cert0.getPublicKey());
String key1 = SimpleX509TrustManager.getKeyString(cert1.getPublicKey());
String key2 = SimpleX509TrustManager.getKeyString(cert2.getPublicKey());
MartusLogger.log("Cert0 public: " + key0);
if (!key0.equals(key1)) MartusLogger.log("Cert1 public: " + key1);
MartusLogger.log("Cert2 public: " + key2);
MartusLogger.log("Cert2 public code: " + MartusCrypto.formatAccountIdForLog(key2));
String expectedKeyString = SimpleX509TrustManager.getKeyString(expectedPublicKey);
MartusLogger.log(
"Expected public code: " + MartusCrypto.formatAccountIdForLog(expectedKeyString));
throw new CertificateException(e.toString());
} catch (Exception e) {
// Tests will cause this to fire
MartusLogger.logException(e);
throw new CertificateException(e.toString());
}
}
void verifyPublicInfo(String publicKeyString, String sig) {
try {
if (!publicCode.equals(MartusCrypto.computePublicCode(publicKeyString))) {
System.out.println("Error Retrieved Public Key doesn't match public code!");
System.exit(3);
}
MartusCrypto security = new MartusSecurity();
byte[] publicKeyBytes = StreamableBase64.decode(publicKeyString);
ByteArrayInputStream in = new ByteArrayInputStream(publicKeyBytes);
if (!security.isValidSignatureOfStream(publicKeyString, in, StreamableBase64.decode(sig))) {
System.out.println("Error Retrieved Public Key bad signature!");
System.exit(3);
}
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error Retrieved Public Key invalid!");
System.exit(3);
}
}