use of java.security.SignatureException in project OpenAM by OpenRock.
the class QuerySignatureUtil method isValidSignature.
private static boolean isValidSignature(Signature sig, Set<X509Certificate> certificates, byte[] queryString, byte[] signature) throws SAML2Exception {
final String classMethod = "QuerySignatureUtil.isValidSignature: ";
Exception firstException = null;
for (X509Certificate certificate : certificates) {
try {
sig.initVerify(certificate);
sig.update(queryString);
if (sig.verify(signature)) {
return true;
}
} catch (InvalidKeyException | SignatureException ex) {
SAML2Utils.debug.warning(classMethod + "Signature validation failed due to " + ex);
if (firstException == null) {
firstException = ex;
}
}
}
if (firstException != null) {
throw new SAML2Exception(firstException);
}
return false;
}
use of java.security.SignatureException in project OpenAM by OpenRock.
the class OpenIdConnectToken method sign.
/**
* Signs the OpenId Connect token.
*
* @return A SignedJwt
* @throws SignatureException If an error occurs with the signing of the OpenId Connect token.
*/
public SignedJwt sign() throws SignatureException {
final JwsAlgorithm jwsAlgorithm = JwsAlgorithm.valueOf(algorithm);
if (jwsAlgorithm == null) {
logger.error("Unable to find jws algorithm for: " + algorithm);
throw new SignatureException();
}
final SigningHandler signingHandler;
if (JwsAlgorithmType.RSA.equals(jwsAlgorithm.getAlgorithmType())) {
signingHandler = new SigningManager().newRsaSigningHandler(keyPair.getPrivate());
} else {
signingHandler = new SigningManager().newHmacSigningHandler(clientSecret);
}
JwsHeaderBuilder builder = jwtBuilderFactory.jws(signingHandler).headers().alg(jwsAlgorithm);
JwtClaimsSet claimsSet = jwtBuilderFactory.claims().claims(asMap()).build();
if (kid != null) {
builder.kid(kid);
}
return builder.done().claims(claimsSet).asJwt();
}
use of java.security.SignatureException in project android_frameworks_base by ResurrectionRemix.
the class ApkSignatureSchemeV2Verifier method verifySigner.
private static X509Certificate[] verifySigner(ByteBuffer signerBlock, Map<Integer, byte[]> contentDigests, CertificateFactory certFactory) throws SecurityException, IOException {
ByteBuffer signedData = getLengthPrefixedSlice(signerBlock);
ByteBuffer signatures = getLengthPrefixedSlice(signerBlock);
byte[] publicKeyBytes = readLengthPrefixedByteArray(signerBlock);
int signatureCount = 0;
int bestSigAlgorithm = -1;
byte[] bestSigAlgorithmSignatureBytes = null;
List<Integer> signaturesSigAlgorithms = new ArrayList<>();
while (signatures.hasRemaining()) {
signatureCount++;
try {
ByteBuffer signature = getLengthPrefixedSlice(signatures);
if (signature.remaining() < 8) {
throw new SecurityException("Signature record too short");
}
int sigAlgorithm = signature.getInt();
signaturesSigAlgorithms.add(sigAlgorithm);
if (!isSupportedSignatureAlgorithm(sigAlgorithm)) {
continue;
}
if ((bestSigAlgorithm == -1) || (compareSignatureAlgorithm(sigAlgorithm, bestSigAlgorithm) > 0)) {
bestSigAlgorithm = sigAlgorithm;
bestSigAlgorithmSignatureBytes = readLengthPrefixedByteArray(signature);
}
} catch (IOException | BufferUnderflowException e) {
throw new SecurityException("Failed to parse signature record #" + signatureCount, e);
}
}
if (bestSigAlgorithm == -1) {
if (signatureCount == 0) {
throw new SecurityException("No signatures found");
} else {
throw new SecurityException("No supported signatures found");
}
}
String keyAlgorithm = getSignatureAlgorithmJcaKeyAlgorithm(bestSigAlgorithm);
Pair<String, ? extends AlgorithmParameterSpec> signatureAlgorithmParams = getSignatureAlgorithmJcaSignatureAlgorithm(bestSigAlgorithm);
String jcaSignatureAlgorithm = signatureAlgorithmParams.first;
AlgorithmParameterSpec jcaSignatureAlgorithmParams = signatureAlgorithmParams.second;
boolean sigVerified;
try {
PublicKey publicKey = KeyFactory.getInstance(keyAlgorithm).generatePublic(new X509EncodedKeySpec(publicKeyBytes));
Signature sig = Signature.getInstance(jcaSignatureAlgorithm);
sig.initVerify(publicKey);
if (jcaSignatureAlgorithmParams != null) {
sig.setParameter(jcaSignatureAlgorithmParams);
}
sig.update(signedData);
sigVerified = sig.verify(bestSigAlgorithmSignatureBytes);
} catch (NoSuchAlgorithmException | InvalidKeySpecException | InvalidKeyException | InvalidAlgorithmParameterException | SignatureException e) {
throw new SecurityException("Failed to verify " + jcaSignatureAlgorithm + " signature", e);
}
if (!sigVerified) {
throw new SecurityException(jcaSignatureAlgorithm + " signature did not verify");
}
// Signature over signedData has verified.
byte[] contentDigest = null;
signedData.clear();
ByteBuffer digests = getLengthPrefixedSlice(signedData);
List<Integer> digestsSigAlgorithms = new ArrayList<>();
int digestCount = 0;
while (digests.hasRemaining()) {
digestCount++;
try {
ByteBuffer digest = getLengthPrefixedSlice(digests);
if (digest.remaining() < 8) {
throw new IOException("Record too short");
}
int sigAlgorithm = digest.getInt();
digestsSigAlgorithms.add(sigAlgorithm);
if (sigAlgorithm == bestSigAlgorithm) {
contentDigest = readLengthPrefixedByteArray(digest);
}
} catch (IOException | BufferUnderflowException e) {
throw new IOException("Failed to parse digest record #" + digestCount, e);
}
}
if (!signaturesSigAlgorithms.equals(digestsSigAlgorithms)) {
throw new SecurityException("Signature algorithms don't match between digests and signatures records");
}
int digestAlgorithm = getSignatureAlgorithmContentDigestAlgorithm(bestSigAlgorithm);
byte[] previousSignerDigest = contentDigests.put(digestAlgorithm, contentDigest);
if ((previousSignerDigest != null) && (!MessageDigest.isEqual(previousSignerDigest, contentDigest))) {
throw new SecurityException(getContentDigestAlgorithmJcaDigestAlgorithm(digestAlgorithm) + " contents digest does not match the digest specified by a preceding signer");
}
ByteBuffer certificates = getLengthPrefixedSlice(signedData);
List<X509Certificate> certs = new ArrayList<>();
int certificateCount = 0;
while (certificates.hasRemaining()) {
certificateCount++;
byte[] encodedCert = readLengthPrefixedByteArray(certificates);
X509Certificate certificate;
try {
certificate = (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream(encodedCert));
} catch (CertificateException e) {
throw new SecurityException("Failed to decode certificate #" + certificateCount, e);
}
certificate = new VerbatimX509Certificate(certificate, encodedCert);
certs.add(certificate);
}
if (certs.isEmpty()) {
throw new SecurityException("No certificates listed");
}
X509Certificate mainCertificate = certs.get(0);
byte[] certificatePublicKeyBytes = mainCertificate.getPublicKey().getEncoded();
if (!Arrays.equals(publicKeyBytes, certificatePublicKeyBytes)) {
throw new SecurityException("Public key mismatch between certificate and signature record");
}
return certs.toArray(new X509Certificate[certs.size()]);
}
use of java.security.SignatureException in project android_frameworks_base by ResurrectionRemix.
the class RecoverySystem method verifyPackage.
/**
* Verify the cryptographic signature of a system update package
* before installing it. Note that the package is also verified
* separately by the installer once the device is rebooted into
* the recovery system. This function will return only if the
* package was successfully verified; otherwise it will throw an
* exception.
*
* Verification of a package can take significant time, so this
* function should not be called from a UI thread. Interrupting
* the thread while this function is in progress will result in a
* SecurityException being thrown (and the thread's interrupt flag
* will be cleared).
*
* @param packageFile the package to be verified
* @param listener an object to receive periodic progress
* updates as verification proceeds. May be null.
* @param deviceCertsZipFile the zip file of certificates whose
* public keys we will accept. Verification succeeds if the
* package is signed by the private key corresponding to any
* public key in this file. May be null to use the system default
* file (currently "/system/etc/security/otacerts.zip").
*
* @throws IOException if there were any errors reading the
* package or certs files.
* @throws GeneralSecurityException if verification failed
*/
public static void verifyPackage(File packageFile, ProgressListener listener, File deviceCertsZipFile) throws IOException, GeneralSecurityException {
final long fileLen = packageFile.length();
final RandomAccessFile raf = new RandomAccessFile(packageFile, "r");
try {
final long startTimeMillis = System.currentTimeMillis();
if (listener != null) {
listener.onProgress(0);
}
raf.seek(fileLen - 6);
byte[] footer = new byte[6];
raf.readFully(footer);
if (footer[2] != (byte) 0xff || footer[3] != (byte) 0xff) {
throw new SignatureException("no signature in file (no footer)");
}
final int commentSize = (footer[4] & 0xff) | ((footer[5] & 0xff) << 8);
final int signatureStart = (footer[0] & 0xff) | ((footer[1] & 0xff) << 8);
byte[] eocd = new byte[commentSize + 22];
raf.seek(fileLen - (commentSize + 22));
raf.readFully(eocd);
// end-of-central-directory record.
if (eocd[0] != (byte) 0x50 || eocd[1] != (byte) 0x4b || eocd[2] != (byte) 0x05 || eocd[3] != (byte) 0x06) {
throw new SignatureException("no signature in file (bad footer)");
}
for (int i = 4; i < eocd.length - 3; ++i) {
if (eocd[i] == (byte) 0x50 && eocd[i + 1] == (byte) 0x4b && eocd[i + 2] == (byte) 0x05 && eocd[i + 3] == (byte) 0x06) {
throw new SignatureException("EOCD marker found after start of EOCD");
}
}
// Parse the signature
PKCS7 block = new PKCS7(new ByteArrayInputStream(eocd, commentSize + 22 - signatureStart, signatureStart));
// Take the first certificate from the signature (packages
// should contain only one).
X509Certificate[] certificates = block.getCertificates();
if (certificates == null || certificates.length == 0) {
throw new SignatureException("signature contains no certificates");
}
X509Certificate cert = certificates[0];
PublicKey signatureKey = cert.getPublicKey();
SignerInfo[] signerInfos = block.getSignerInfos();
if (signerInfos == null || signerInfos.length == 0) {
throw new SignatureException("signature contains no signedData");
}
SignerInfo signerInfo = signerInfos[0];
// Check that the public key of the certificate contained
// in the package equals one of our trusted public keys.
boolean verified = false;
HashSet<X509Certificate> trusted = getTrustedCerts(deviceCertsZipFile == null ? DEFAULT_KEYSTORE : deviceCertsZipFile);
for (X509Certificate c : trusted) {
if (c.getPublicKey().equals(signatureKey)) {
verified = true;
break;
}
}
if (!verified) {
throw new SignatureException("signature doesn't match any trusted key");
}
// The signature cert matches a trusted key. Now verify that
// the digest in the cert matches the actual file data.
raf.seek(0);
final ProgressListener listenerForInner = listener;
SignerInfo verifyResult = block.verify(signerInfo, new InputStream() {
// The signature covers all of the OTA package except the
// archive comment and its 2-byte length.
long toRead = fileLen - commentSize - 2;
long soFar = 0;
int lastPercent = 0;
long lastPublishTime = startTimeMillis;
@Override
public int read() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
if (soFar >= toRead) {
return -1;
}
if (Thread.currentThread().isInterrupted()) {
return -1;
}
int size = len;
if (soFar + size > toRead) {
size = (int) (toRead - soFar);
}
int read = raf.read(b, off, size);
soFar += read;
if (listenerForInner != null) {
long now = System.currentTimeMillis();
int p = (int) (soFar * 100 / toRead);
if (p > lastPercent && now - lastPublishTime > PUBLISH_PROGRESS_INTERVAL_MS) {
lastPercent = p;
lastPublishTime = now;
listenerForInner.onProgress(lastPercent);
}
}
return read;
}
});
final boolean interrupted = Thread.interrupted();
if (listener != null) {
listener.onProgress(100);
}
if (interrupted) {
throw new SignatureException("verification was interrupted");
}
if (verifyResult == null) {
throw new SignatureException("signature digest verification failed");
}
} finally {
raf.close();
}
}
use of java.security.SignatureException in project LeafPic by HoraApps.
the class Security method verify.
/**
* Verifies that the signature from the server matches the computed
* signature on the data. Returns true if the data is correctly signed.
*
* @param publicKey public key associated with the developer account
* @param signedData signed data from server
* @param signature server signature
* @return true if the data and signature match
*/
public static boolean verify(PublicKey publicKey, String signedData, String signature) {
byte[] signatureBytes;
try {
signatureBytes = Base64.decode(signature, Base64.DEFAULT);
} catch (IllegalArgumentException e) {
Log.e(TAG, "Base64 decoding failed.");
return false;
}
try {
Signature sig = Signature.getInstance(SIGNATURE_ALGORITHM);
sig.initVerify(publicKey);
sig.update(signedData.getBytes());
if (!sig.verify(signatureBytes)) {
Log.e(TAG, "Signature verification failed.");
return false;
}
return true;
} catch (NoSuchAlgorithmException e) {
Log.e(TAG, "NoSuchAlgorithmException.");
} catch (InvalidKeyException e) {
Log.e(TAG, "Invalid key specification.");
} catch (SignatureException e) {
Log.e(TAG, "Signature exception.");
}
return false;
}
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