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POJava md5 hash of same string from web service is different for every transaction
 

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  1. POJava md5 hash of same string from web service is different for every transaction
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    <p>I'm trying to compare passwords in java coming from a web service.</p> <p>I invoke the service from command line with the following:</p> <p>curl -d '[{"usr":"joe","password":"joe"}]' <a href="http://mydomain.com:8080/myservice/login" rel="nofollow">http://mydomain.com:8080/myservice/login</a></p> <p>I parse the JSON and pass the password to a hash method.</p> <p>My hashing method is as follows:</p> <pre><code> private String createHash(String password){ byte[] bytesOfMessage = null; try { bytesOfMessage = password.getBytes("UTF-8"); } catch (UnsupportedEncodingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } MessageDigest md = null; try { md = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } String thedigest = md.digest(bytesOfMessage).toString(); System.out.println("passed in: "+thedigest); return thedigest; } </code></pre> <p>The problem is that the hash that is printed is different everytime I invoke this method with the exact same password. How can I have the passwords come out with the same hash so I can compare the passwords and authenticate a user?</p> <p>Thanks!</p>
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    1. COPlease tell me you're using https in production ;)
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