asp.net to php encoding
<p>I need to do this with php encryption method.
turkey 3d a bank payment module in the code for the example given to me in this way encryption.
could you help me translate this into php code?</p>

<pre><code>    SHA1 sha1 = new SHA1CryptoServiceProvider();
    byte[] notHashedBytes = System.Text.Encoding.ASCII.GetBytes(notHashedStr);
    byte[] hashedByte = sha1.ComputeHash(notHashedBytes);
    string hashedStr = System.Convert.ToBase64String(hashedByte);
    return hashedStr;
</code></pre>
