diff --git a/crypto/How to Compute Hash Code of Streams/pom.xml b/crypto/How to Compute Hash Code of Streams/pom.xml
index fe67caa..d2a124d 100644
--- a/crypto/How to Compute Hash Code of Streams/pom.xml
+++ b/crypto/How to Compute Hash Code of Streams/pom.xml
@@ -4,10 +4,10 @@
4.0.0
com.javacreed.examples
- how-to-compute-hash-code-of-large-files
+ how-to-compute-hash-code-of-streams
0.0.1-SNAPSHOT
- How to Compute Hash Code of Large Files
+ How to Compute Hash Code of Streams
http://www.javacreed.com/${project.artifactId}/
${project.inceptionYear}
diff --git a/crypto/How to Compute Hash Code of Streams/src/main/java/com/javacreed/examples/crypto/Example.java b/crypto/How to Compute Hash Code of Streams/src/main/java/com/javacreed/examples/crypto/Example.java
new file mode 100644
index 0000000..38645af
--- /dev/null
+++ b/crypto/How to Compute Hash Code of Streams/src/main/java/com/javacreed/examples/crypto/Example.java
@@ -0,0 +1,54 @@
+/*
+ * #%L
+ * How to Compute Hash Code of Streams
+ * $Id:$
+ * $HeadURL:$
+ * %%
+ * Copyright (C) 2012 - 2015 Java Creed
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+package com.javacreed.examples.crypto;
+
+import java.io.BufferedInputStream;
+import java.net.URL;
+import java.security.DigestInputStream;
+import java.security.MessageDigest;
+import java.util.Formatter;
+
+public class Example {
+ public static void main(final String[] args) throws Exception {
+
+ final URL link = new URL("http://www.javacreed.com/");
+ try (DigestInputStream in = new DigestInputStream(new BufferedInputStream(link.openStream()),
+ MessageDigest.getInstance("SHA-1"))) {
+ // Read the stream and do nothing with it
+ while (in.read() != -1) {}
+
+ // Get the digest and finialise the computation
+ final MessageDigest md = in.getMessageDigest();
+ final byte[] digest = md.digest();
+
+ // Format as HEX
+ try (Formatter formatter = new Formatter()) {
+ for (final byte b : digest) {
+ formatter.format("%02x", b);
+ }
+
+ final String sha1 = formatter.toString();
+ System.out.println(sha1);
+ }
+ }
+ }
+}