Example usage for com.google.common.hash Hashing sha1

Introduction

In this page you can find the example usage for com.google.common.hash Hashing sha1.

Prototype

public static HashFunction sha1() 

Source Link

Document

Returns a hash function implementing the SHA-1 algorithm (160 hash bits) by delegating to the SHA-1 MessageDigest .

Usage

From source file:ph.samson.maven.enforcer.rule.checksum.FileChecksum.java

@Override
public void execute(EnforcerRuleHelper erh) throws EnforcerRuleException {
    if (file == null || !file.canRead()) {
        throw new EnforcerRuleException("Missing file: " + file);
    }//from  w ww.j av a 2 s. c  om

    HashFunction hashFn;
    switch (type) {
    case "crc32":
        hashFn = Hashing.crc32();
        break;
    case "crc32c":
        hashFn = Hashing.crc32c();
        break;
    case "md5":
        hashFn = Hashing.md5();
        break;
    case "sha1":
        hashFn = Hashing.sha1();
        break;
    case "sha256":
        hashFn = Hashing.sha256();
        break;
    case "sha512":
        hashFn = Hashing.sha512();
        break;
    default:
        throw new EnforcerRuleException("Unsupported hash type: " + type);
    }

    String hash;
    try {
        hash = hashFn.hashBytes(Files.readAllBytes(file.toPath())).toString();
    } catch (IOException ex) {
        throw new EnforcerRuleException("Failed reading " + file, ex);
    }

    if (!hash.equalsIgnoreCase(checksum)) {
        throw new EnforcerRuleException(
                type + " hash of " + file + " was " + hash + " but expected " + checksum);
    }
}

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From source file:com.facebook.buck.io.filesystem.impl.DefaultProjectFilesystemDelegate.java

@Override
public Sha1HashCode computeSha1(Path pathRelativeToProjectRootOrJustAbsolute) throws IOException {
    Path fileToHash = getPathForRelativePath(pathRelativeToProjectRootOrJustAbsolute);
    try {// ww w  . j ava2 s .c o  m
        // Normally, we would just use `Files.hash(fileToHash.toFile(), Hashing.sha1())`, but if
        // fileToHash is backed by Jimfs, its toFile() method throws an UnsupportedOperationException.
        // Creating the input stream via java.nio.file.Files.newInputStream() avoids this issue.
        ByteSource source = new ByteSource() {
            @Override
            public InputStream openStream() throws IOException {
                // No need to wrap with BufferedInputStream because ByteSource uses
                // ByteStreams.copy(), which already buffers.
                return Files.newInputStream(fileToHash);
            }
        };
        HashCode hashCode = source.hash(Hashing.sha1());

        return Sha1HashCode.fromHashCode(hashCode);

    } catch (IOException e) {
        String msg = String.format("Error computing Sha1 for %s: %s", fileToHash.toString(), e.getMessage());

        throw new IOException(msg, e);
    }
}

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From source file:org.apache.james.user.jpa.model.JPAUser.java

@SuppressWarnings("deprecation")
private static HashFunction chooseHashing(String algorithm) {
    switch (algorithm) {
    case "MD5":
        return Hashing.md5();
    case "SHA-256":
        return Hashing.sha256();
    case "SHA-512":
        return Hashing.sha512();
    default:// w w w. j a v  a2s .  co m
        return Hashing.sha1();
    }
}

---

From source file:com.github.mgunlogson.cuckoofilter4j.SerializableSaltedHasher.java

private static HashFunction configureHash(Algorithm alg, long seedNSalt, long addlSipSeed) {
    switch (alg) {
    case xxHash64:
        return new xxHashFunction(seedNSalt);
    case Murmur3_128:
        return Hashing.murmur3_128((int) seedNSalt);
    case Murmur3_32:
        return Hashing.murmur3_32((int) seedNSalt);
    case sha256:/*from   w  w  w. ja  v a 2 s  .  c om*/
        return Hashing.sha1();
    case sipHash24:
        return Hashing.sipHash24(seedNSalt, addlSipSeed);
    default:
        throw new IllegalArgumentException("Invalid Enum Hashing Algorithm???");
    }
}

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From source file:com.facebook.buck.rules.RuleKeyBuilder.java

public RuleKeyBuilder(SourcePathResolver resolver, FileHashCache hashCache,
        RuleKeyBuilderFactory defaultRuleKeyBuilderFactory) {
    this.resolver = resolver;
    this.hasher = new AppendingHasher(Hashing.sha1(), /* numHashers */ 2);
    this.hashCache = hashCache;
    this.defaultRuleKeyBuilderFactory = defaultRuleKeyBuilderFactory;
    this.keyStack = new Stack<>();
    if (logger.isVerboseEnabled()) {
        this.logElms = Lists.newArrayList();
    }//from   ww w. java 2 s .co m
}

---

From source file:com.android.repository.api.License.java

/**
 * Returns the hash of the license text, used for persisting acceptance. Never null.
 *///from  w w  w.j a  va 2 s .c  o  m
@NonNull
public String getLicenseHash() {
    return Hashing.sha1().hashBytes(getValue().getBytes()).toString();
}

---

From source file:org.glowroot.agent.central.SharedQueryTextLimiter.java

Trace.SharedQueryText buildTraceSharedQueryText(String fullText, List<String> fullTextSha1s) {
    if (fullText.length() > 2 * Constants.TRACE_QUERY_TEXT_TRUNCATE) {
        String fullTextSha1 = Hashing.sha1().hashString(fullText, UTF_8).toString();
        if (sentInThePastDay.getIfPresent(fullTextSha1) == null) {
            fullTextSha1s.add(fullTextSha1);
            // need to send full text
            return Trace.SharedQueryText.newBuilder().setFullText(fullText).build();
        } else {/* ww w . j  a v  a 2s .  c o m*/
            // ok to just send truncated text
            return Trace.SharedQueryText.newBuilder()
                    .setTruncatedText(fullText.substring(0, Constants.TRACE_QUERY_TEXT_TRUNCATE))
                    .setTruncatedEndText(fullText.substring(
                            fullText.length() - Constants.TRACE_QUERY_TEXT_TRUNCATE, fullText.length()))
                    .setFullTextSha1(fullTextSha1).build();
        }
    } else {
        return Trace.SharedQueryText.newBuilder().setFullText(fullText).build();
    }
}

---

From source file:com.android.builder.files.FileCacheByPath.java

/**
 * Computes a unique key identifying the path of the file.
 *
 * @param f the path/*from w w  w  .j  a  v  a 2s .com*/
 * @return the unique key
 */
@NonNull
private static String key(@NonNull File f) {
    String absolutePath = f.getAbsolutePath();
    byte[] sha1Sum = Hashing.sha1().hashString(absolutePath, Charsets.UTF_8).asBytes();
    return new String(Base64.encodeBase64(sha1Sum), Charsets.US_ASCII).replaceAll("/", "_");
}

---

From source file:net.yoomai.wechat.utils.StringUtils.java

/**
 * ????/*from  www .  j av a2 s .  c om*/
 *
 * @param params  ?ASCII ????
 * @param encrypt ? SHA1 MD5
 * @return
 */
public static String signature(Map params, String encrypt, boolean toUpperCase) {
    String sign = "";
    // ?
    String buffer = generateQueryString(params, true);

    // log.debug(" => {}", buffer.toString());
    if ("MD5".equals(encrypt)) {
        // MD5
        sign = Hashing.md5().hashString(buffer, Charsets.UTF_8).toString();
    } else if ("SHA1".equals(encrypt)) {
        // SHA1
        sign = Hashing.sha1().hashString(buffer, Charsets.UTF_8).toString();
    }
    // log.debug("? <=> {}", sign);

    if (toUpperCase) {
        sign = sign.toUpperCase();
    }

    return sign;
}

---

From source file:com.facebook.buck.rules.OutputKey.java

/**
 * Sentinel OutputKeys are output as a string of 's' characters, and non-idempotent OutputKeys are
 * normally output as a string of 'x' characters, but when comparing two sets of OutputKeys in
 * textual form it is necessary to mangle one of the two sets, so that non-idempotent OutputKeys
 * are never considered equal.//  w w  w.  j  a  v a2s.  c o m
 */
public String toString(boolean mangleNonIdempotent) {
    if (isSentinel() || !isIdempotent()) {
        String replacementChar = isSentinel() ? "s" : (!mangleNonIdempotent ? "x" : "y");
        return new String(new char[Hashing.sha1().bits() / 4]).replace("\0", replacementChar);
    }
    return hashCode.toString();
}

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