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<a accesskey="3" href="page.php?w=One-time_pad&amp;p=2">3.Next</a>
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<p>The <b>one-time pad</b> (<b>OTP</b>) is an <a href="page.php?w=encryption">encryption</a> technique that cannot be <a href="page.php?w=Cryptanalysis">cracked</a> in <a href="page.php?w=cryptography">cryptography</a>. It requires the use of a single-use <a href="page.php?w=pre-shared_key">pre-shared key</a> that is larger than or equal to the size of the message being sent. In this technique, a <a href="page.php?w=plaintext">plaintext</a> is paired with a random secret <a href="page.php?w=Key_%28cryptography%29">key</a> (also referred to as a</p><p>
<a accesskey="3" href="page.php?w=One-time_pad&amp;p=2">3.Next</a>
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