Example usage for org.apache.commons.compress.utils Charsets ISO_8859_1

Introduction

In this page you can find the example usage for org.apache.commons.compress.utils Charsets ISO_8859_1.

Prototype

Charset ISO_8859_1

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CharsetNamesISO Latin Alphabet No.

Usage

From source file:android.framework.org.apache.harmony.security_custom.asn1.ASN1StringType.java

/**
 * Extracts String object from BER input stream.
 *///from   www .  ja  v a2 s .c om
public Object getDecodedObject(BerInputStream in) throws IOException {
    /* To ensure we get the correct encoding on non-ASCII platforms, specify
       that we wish to convert from ASCII to the default platform encoding */
    return new String(in.buffer, in.contentOffset, in.length, Charsets.ISO_8859_1);
}

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From source file:android.framework.util.jar.JarVerifier.java

/**
 * Invoked for each new JAR entry read operation from the input
 * stream. This method constructs and returns a new {@link VerifierEntry}
 * which contains the certificates used to sign the entry and its hash value
 * as specified in the JAR MANIFEST format.
 *
 * @param name/*  w ww  .java2 s . c  o  m*/
 *            the name of an entry in a JAR file which is <b>not</b> in the
 *            {@code META-INF} directory.
 * @return a new instance of {@link VerifierEntry} which can be used by
 *         callers as an {@link OutputStream}.
 */
VerifierEntry initEntry(String name) {
    // If no manifest is present by the time an entry is found,
    // verification cannot occur. If no signature files have
    // been found, do not verify.
    if (man == null || signatures.size() == 0) {
        return null;
    }

    Attributes attributes = man.getAttributes(name);
    // entry has no digest
    if (attributes == null) {
        return null;
    }

    ArrayList<Certificate> certs = new ArrayList<Certificate>();
    Iterator<Map.Entry<String, HashMap<String, Attributes>>> it = signatures.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry<String, HashMap<String, Attributes>> entry = it.next();
        HashMap<String, Attributes> hm = entry.getValue();
        if (hm.get(name) != null) {
            // Found an entry for entry name in .SF file
            String signatureFile = entry.getKey();
            certs.addAll(getSignerCertificates(signatureFile, certificates));
        }
    }

    // entry is not signed
    if (certs.isEmpty()) {
        return null;
    }
    Certificate[] certificatesArray = certs.toArray(new Certificate[certs.size()]);

    String algorithms = attributes.getValue("Digest-Algorithms");
    if (algorithms == null) {
        algorithms = "SHA SHA1";
    }
    StringTokenizer tokens = new StringTokenizer(algorithms);
    while (tokens.hasMoreTokens()) {
        String algorithm = tokens.nextToken();
        String hash = attributes.getValue(algorithm + "-Digest");
        if (hash == null) {
            continue;
        }
        byte[] hashBytes = hash.getBytes(Charsets.ISO_8859_1);

        try {
            return new VerifierEntry(name, MessageDigest.getInstance(algorithm), hashBytes, certificatesArray);
        } catch (NoSuchAlgorithmException e) {
            // ignored
        }
    }
    return null;
}

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From source file:android.framework.util.jar.JarVerifier.java

private boolean verify(Attributes attributes, String entry, byte[] data, int start, int end,
        boolean ignoreSecondEndline, boolean ignorable) {
    String algorithms = attributes.getValue("Digest-Algorithms");
    if (algorithms == null) {
        algorithms = "SHA SHA1";
    }//from   w w  w.ja  v  a2  s.co m
    StringTokenizer tokens = new StringTokenizer(algorithms);
    while (tokens.hasMoreTokens()) {
        String algorithm = tokens.nextToken();
        String hash = attributes.getValue(algorithm + entry);
        if (hash == null) {
            continue;
        }

        MessageDigest md;
        try {
            md = MessageDigest.getInstance(algorithm);
        } catch (NoSuchAlgorithmException e) {
            continue;
        }
        if (ignoreSecondEndline && data[end - 1] == '\n' && data[end - 2] == '\n') {
            md.update(data, start, end - 1 - start);
        } else {
            md.update(data, start, end - start);
        }
        byte[] b = md.digest();
        byte[] hashBytes = hash.getBytes(Charsets.ISO_8859_1);
        return MessageDigest.isEqual(b, Base64.decode(hashBytes, Base64.DEFAULT));
    }
    return ignorable;
}

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