public static void main(String[] args)
throws IOException
{
String algorithm = (args.length >= 1 ? args[0] : ALGORITHM).toUpperCase();
BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
MessageDigest md = null;
String prefix = null;
String plaintext; try
{
md = MessageDigest.getInstance(algorithm);
}
catch (NoSuchAlgorithmException e)
{
// ignore
} if (md == null)
{
System.err.println("Error: unknown algorithm \"" + algorithm + "\"");
System.exit(1);
}
System.err.println("Enter plaintext passwords, separated by newlines.");
while ((plaintext = r.readLine()) != null)
{
String passwd = "{" + algorithm + "}" + hash(md, plaintext);
System.out.println(passwd); if (System.out.checkError())
{
throw new IOException("output error");
}
} r.close();
}
}From weblogic.examples.security.rdbmsrealm.RDBMSUser
throws IOException
{
String algorithm = (args.length >= 1 ? args[0] : ALGORITHM).toUpperCase();
BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
MessageDigest md = null;
String prefix = null;
String plaintext; try
{
md = MessageDigest.getInstance(algorithm);
}
catch (NoSuchAlgorithmException e)
{
// ignore
} if (md == null)
{
System.err.println("Error: unknown algorithm \"" + algorithm + "\"");
System.exit(1);
}
System.err.println("Enter plaintext passwords, separated by newlines.");
while ((plaintext = r.readLine()) != null)
{
String passwd = "{" + algorithm + "}" + hash(md, plaintext);
System.out.println(passwd); if (System.out.checkError())
{
throw new IOException("output error");
}
} r.close();
}
}From weblogic.examples.security.rdbmsrealm.RDBMSUser
<%@page import="weblogic.utils.encoders.BASE64Encoder" %>
<%
MessageDigest md = null;
String algorithm="SHA";
String plaintext="your old password";
String passwd="";
md = MessageDigest.getInstance(algorithm);
BASE64Encoder enc = new BASE64Encoder();
passwd=enc.encodeBuffer(md.digest(plaintext.getBytes()));
%>
<html>
<head>
<title>
sha code
</title>
</head>
<body>
this is the old passwd: <%=plaintext%>
<br>
this is the new passwd after encode:<%=passwd%>
<br>
</body>
</html>