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<p>tag does not match the supplied ciphertext or header.</p>

<p>The header part is intended to provide authenticity and integrity protection for networking or storage metadata for which confidentiality is unnecessary, but authenticity is desired.</p>

<p><big> History </big></p>
<p>The need for authenticated encryption emerged from the observation that securely combining separate confidentiality and authentication block cipher operation modes could be error prone and difficult. This was confirmed by a number of practical attacks introduced into production</p><p>
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