Examples with DigestInputStream java.security.DigestInputStream used on opensource projects

Example 81 with DigestInputStream

use of java.security.DigestInputStream in project box-java-sdk by box.

the class BoxFileIT method uploadParts.

private MessageDigest uploadParts(BoxFileUploadSession.Info session, long fileSize, File file) throws Exception {
    FileInputStream stream = new FileInputStream(file);
    MessageDigest fileDigest = MessageDigest.getInstance("SHA1");
    DigestInputStream dis = new DigestInputStream(stream, fileDigest);
    long offset = 0;
    long processed = 0;
    boolean canBreak = false;
    do {
        long min = session.getPartSize();
        long diff = fileSize - processed;
        if (diff < min) {
            min = diff;
            canBreak = true;
        }
        BoxFileUploadSessionPart part = session.getResource().uploadPart(dis, offset, (int) min, fileSize);
        assertNotNull(part.getSha1());
        assertNotNull(part.getPartId());
        assertEquals(part.getOffset(), offset);
        assertTrue(part.getSize() <= session.getPartSize());
        offset = offset + session.getPartSize();
        processed += min;
    } while (!canBreak);
    return fileDigest;
}

Example 82 with DigestInputStream

use of java.security.DigestInputStream in project ranger by apache.

the class RangerKeyStore method engineLoad.

@Override
public void engineLoad(InputStream stream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException {
    if (logger.isDebugEnabled()) {
        logger.debug("==> RangerKeyStore.engineLoad()");
    }
    synchronized (keyEntries) {
        List<XXRangerKeyStore> rangerKeyDetails = dbOperationLoad();
        if (rangerKeyDetails == null || rangerKeyDetails.size() < 1) {
            if (logger.isDebugEnabled()) {
                logger.debug("RangerKeyStore might be null or key is not present in the database.");
            }
            return;
        }
        keyEntries.clear();
        if (keyVaultEnabled) {
            for (XXRangerKeyStore rangerKey : rangerKeyDetails) {
                String encodedStr = rangerKey.getEncoded();
                byte[] encodedByte = DatatypeConverter.parseBase64Binary(encodedStr);
                String alias;
                SecretKeyByteEntry entry = new SecretKeyByteEntry();
                alias = rangerKey.getAlias();
                entry.date = new Date(rangerKey.getCreatedDate());
                entry.cipher_field = rangerKey.getCipher();
                entry.bit_length = rangerKey.getBitLength();
                entry.description = rangerKey.getDescription();
                entry.version = rangerKey.getVersion();
                entry.attributes = rangerKey.getAttributes();
                entry.key = encodedByte;
                keyEntries.put(alias, entry);
            }
        } else {
            DataInputStream dis;
            MessageDigest md = null;
            if (password != null) {
                md = getKeyedMessageDigest(password);
            }
            byte[] computed = {};
            if (md != null) {
                computed = md.digest();
            }
            for (XXRangerKeyStore rangerKey : rangerKeyDetails) {
                String encoded = rangerKey.getEncoded();
                byte[] data = DatatypeConverter.parseBase64Binary(encoded);
                if (data != null && data.length > 0) {
                    stream = new ByteArrayInputStream(data);
                } else {
                    logger.error("No Key found for alias " + rangerKey.getAlias());
                }
                if (computed != null) {
                    int counter = 0;
                    for (int i = computed.length - 1; i >= 0; i--) {
                        if (computed[i] != data[data.length - (1 + counter)]) {
                            Throwable t = new UnrecoverableKeyException("Password verification failed");
                            logger.error("Keystore was tampered with, or password was incorrect.", t);
                            throw (IOException) new IOException("Keystore was tampered with, or " + "password was incorrect").initCause(t);
                        } else {
                            counter++;
                        }
                    }
                }
                if (password != null) {
                    dis = new DataInputStream(new DigestInputStream(stream, md));
                } else {
                    dis = new DataInputStream(stream);
                }
                ObjectInputStream ois = null;
                try {
                    String alias;
                    SecretKeyEntry entry = new SecretKeyEntry();
                    // read the alias
                    alias = rangerKey.getAlias();
                    // read the (entry creation) date
                    entry.date = new Date(rangerKey.getCreatedDate());
                    entry.cipher_field = rangerKey.getCipher();
                    entry.bit_length = rangerKey.getBitLength();
                    entry.description = rangerKey.getDescription();
                    entry.version = rangerKey.getVersion();
                    entry.attributes = rangerKey.getAttributes();
                    // read the sealed key
                    try {
                        ois = new ObjectInputStream(dis);
                        entry.sealedKey = (SealedObject) ois.readObject();
                    } catch (ClassNotFoundException cnfe) {
                        throw new IOException(cnfe.getMessage());
                    }
                    // Add the entry to the list
                    keyEntries.put(alias, entry);
                } finally {
                    if (ois != null) {
                        ois.close();
                    } else {
                        dis.close();
                    }
                }
            }
        }
    }
}

Example 83 with DigestInputStream

use of java.security.DigestInputStream in project fdroidclient by f-droid.

the class JKS method engineLoad.

public void engineLoad(InputStream in, char[] passwd) throws IOException, NoSuchAlgorithmException, CertificateException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    if (passwd != null)
        md.update(charsToBytes(passwd));
    // HAR HAR
    md.update("Mighty Aphrodite".getBytes("UTF-8"));
    aliases.clear();
    trustedCerts.clear();
    privateKeys.clear();
    certChains.clear();
    dates.clear();
    if (in == null)
        return;
    DataInputStream din = new DataInputStream(new DigestInputStream(in, md));
    if (din.readInt() != MAGIC)
        throw new IOException("not a JavaKeyStore");
    // version no.
    din.readInt();
    final int n = din.readInt();
    aliases.ensureCapacity(n);
    if (n < 0)
        throw new LoadKeystoreException("Malformed key store");
    for (int i = 0; i < n; i++) {
        int type = din.readInt();
        String alias = din.readUTF();
        aliases.add(alias);
        dates.put(alias, new Date(din.readLong()));
        switch(type) {
            case PRIVATE_KEY:
                int len = din.readInt();
                byte[] encoded = new byte[len];
                din.read(encoded);
                privateKeys.put(alias, encoded);
                int count = din.readInt();
                Certificate[] chain = new Certificate[count];
                for (int j = 0; j < count; j++) chain[j] = readCert(din);
                certChains.put(alias, chain);
                break;
            case TRUSTED_CERT:
                trustedCerts.put(alias, readCert(din));
                break;
            default:
                throw new LoadKeystoreException("Malformed key store");
        }
    }
    if (passwd != null) {
        byte[] computedHash = md.digest();
        byte[] storedHash = new byte[20];
        din.read(storedHash);
        if (!MessageDigest.isEqual(storedHash, computedHash)) {
            throw new LoadKeystoreException("Incorrect password, or integrity check failed.");
        }
    }
}

Example 84 with DigestInputStream

use of java.security.DigestInputStream in project smarthome by eclipse.

the class FirmwareImpl method getBytes.

@Override
public synchronized byte @Nullable [] getBytes() {
    if (inputStream == null) {
        return null;
    }
    if (bytes == null) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            try (DigestInputStream dis = new DigestInputStream(inputStream, md)) {
                bytes = IOUtils.toByteArray(dis);
            } catch (IOException ioEx) {
                logger.error("Cannot read firmware {}.", this, ioEx);
                return null;
            }
            byte[] digest = md.digest();
            if (md5Hash != null && digest != null) {
                StringBuilder digestString = new StringBuilder();
                for (byte b : digest) {
                    digestString.append(String.format("%02x", b));
                }
                if (!md5Hash.equals(digestString.toString())) {
                    bytes = null;
                    throw new IllegalStateException(String.format("Invalid MD5 checksum. Expected %s, but was %s.", md5Hash, digestString));
                }
            }
        } catch (NoSuchAlgorithmException e) {
            logger.error("Cannot calculate MD5 checksum.", e);
            bytes = null;
            return null;
        }
    }
    return bytes;
}

Example 85 with DigestInputStream

use of java.security.DigestInputStream in project openj9 by eclipse.

the class J9DDRStructureStore method digestStructure.

private String digestStructure(String structureFileName) throws IOException {
    MessageDigest md = null;
    byte[] buffer = new byte[1024];
    try {
        md = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        // This only happens if the JRE configuration is really messed up.
        throw new IllegalStateException(e.getMessage());
    }
    DigestInputStream dis = null;
    FileInputStream structure = new FileInputStream(structureFileName);
    dis = new DigestInputStream(structure, md);
    ByteArrayOutputStream structureStream = new ByteArrayOutputStream();
    try {
        while (true) {
            int bytesRead = dis.read(buffer);
            if (bytesRead == -1) {
                break;
            }
            structureStream.write(buffer, 0, bytesRead);
        }
        dis.close();
    } finally {
        structure.close();
    }
    structureBytes = structureStream.toByteArray();
    if ((structureBytes.length > 2) && (structureBytes[0] == SUPERSET_ID_EBCDIC[0]) && (structureBytes[1] == SUPERSET_ID_EBCDIC[1])) {
        convertFromEBCDIC();
    }
    byte[] digestBytes = dis.getMessageDigest().digest();
    return byteArrayHexString(digestBytes);
}