Example usage for org.eclipse.jgit.lib Constants newMessageDigest

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib Constants newMessageDigest.

Prototype

public static MessageDigest newMessageDigest() 

Source Link

Document

Create a new digest function for objects.

Usage

From source file:com.google.gerrit.httpd.raw.CatServlet.java

License:Apache License

private String rand(final HttpServletRequest req, final String suffix) throws UnsupportedEncodingException {
    // Produce a random suffix that is difficult (or nearly impossible)
    // for an attacker to guess in advance. This reduces the risk that
    // an attacker could upload a *.class file and have us send a ZIP
    // that can be invoked through an applet tag in the victim's browser.
    ////from   w w  w.j  a  v a  2  s.co  m
    final MessageDigest md = Constants.newMessageDigest();
    final byte[] buf = new byte[8];

    NB.encodeInt32(buf, 0, req.getRemotePort());
    md.update(req.getRemoteAddr().getBytes("UTF-8"));
    md.update(buf, 0, 4);

    NB.encodeInt64(buf, 0, TimeUtil.nowMs());
    md.update(buf, 0, 8);

    rng.nextBytes(buf);
    md.update(buf, 0, 8);

    return suffix + "-" + ObjectId.fromRaw(md.digest()).name();
}

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From source file:com.google.gerrit.server.account.GroupUUID.java

License:Apache License

public static AccountGroup.UUID make(String groupName, PersonIdent creator) {
    MessageDigest md = Constants.newMessageDigest();
    md.update(Constants.encode("group " + groupName + "\n"));
    md.update(Constants.encode("creator " + creator.toExternalString() + "\n"));
    return new AccountGroup.UUID(ObjectId.fromRaw(md.digest()).name());
}

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From source file:org.ms123.common.git.FileHolder.java

License:Open Source License

private static ObjectId hash(final byte[] rawText) {
    return ObjectId.fromRaw(Constants.newMessageDigest().digest(rawText));
}

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From source file:org.webcat.core.http.RequestUtils.java

License:Open Source License

/**
 * Computes the etag (SHA-1 hash) for the specified content.
 *
 * @param content the content/* w w w .  j av  a2  s .c  o  m*/
 * @return SHA-1 hash for the specified content
 */
private static String etag(byte[] content) {
    MessageDigest md = Constants.newMessageDigest();
    md.update(content);
    return ObjectId.fromRaw(md.digest()).getName();
}

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