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<h1>krb5_c_crypto_length_iov - Fill in lengths for header, trailer and padding in a IOV array.<a class="headerlink" href="#krb5-c-crypto-length-iov-fill-in-lengths-for-header-trailer-and-padding-in-a-iov-array" title="Permalink to this headline">¶</a></h1>
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<dt id="krb5_c_crypto_length_iov">
<a class="reference internal" href="../types/krb5_error_code.html#krb5_error_code" title="krb5_error_code">krb5_error_code</a> <tt class="descname">krb5_c_crypto_length_iov</tt><big>(</big><a class="reference internal" href="../types/krb5_context.html#krb5_context" title="krb5_context">krb5_context</a><em> context</em>, <a class="reference internal" href="../types/krb5_enctype.html#krb5_enctype" title="krb5_enctype">krb5_enctype</a><em> enctype</em>, <a class="reference internal" href="../types/krb5_crypto_iov.html#krb5_crypto_iov" title="krb5_crypto_iov">krb5_crypto_iov</a> *<em> data</em>, size_t<em> num_data</em><big>)</big><a class="headerlink" href="#krb5_c_crypto_length_iov" title="Permalink to this definition">¶</a></dt>
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<tr class="field-odd field"><th class="field-name">param:</th><td class="field-body"><p class="first"><strong>[in]</strong> <strong>context</strong> - Library context</p>
<p><strong>[in]</strong> <strong>enctype</strong> - Encryption type</p>
<p><strong>[inout]</strong> <strong>data</strong> - IOV array</p>
<p class="last"><strong>[in]</strong> <strong>num_data</strong> - Size of <em>data</em></p>
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<p>Padding is set to the actual padding required based on the provided <em>data</em> buffers. Typically this API is used after setting up the data buffers and <a class="reference internal" href="../macros/KRB5_CRYPTO_TYPE_SIGN_ONLY.html#KRB5_CRYPTO_TYPE_SIGN_ONLY" title="KRB5_CRYPTO_TYPE_SIGN_ONLY"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_CRYPTO_TYPE_SIGN_ONLY</span></tt></a> buffers, but before actually allocating header, trailer and padding.</p>
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