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246 lines
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<div class="section" id="tlvutils-module">
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<h1>TLVutils Module<a class="headerlink" href="#tlvutils-module" title="Permalink to this headline">¶</a></h1>
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<span class="target" id="module-virtualsmartcard.TLVutils"></span><dl class="py function">
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<dt id="virtualsmartcard.TLVutils.bertlv_pack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">bertlv_pack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.bertlv_pack" title="Permalink to this definition">¶</a></dt>
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<dd><p>Packs a bertlv list of 3-tuples (tag, length, newvalue) into a string</p>
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</dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.bertlv_unpack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">bertlv_unpack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.bertlv_unpack" title="Permalink to this definition">¶</a></dt>
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<dd><p>Unpacks a bertlv coded string into a list of 3-tuples (tag, length,
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newvalue).</p>
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</dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.decodeDiscretionaryDataObjects">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">decodeDiscretionaryDataObjects</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.decodeDiscretionaryDataObjects" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.decodeExtendedHeaderList">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">decodeExtendedHeaderList</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.decodeExtendedHeaderList" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.decodeHeaderList">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">decodeHeaderList</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.decodeHeaderList" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.decodeOffsetDataObjects">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">decodeOffsetDataObjects</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.decodeOffsetDataObjects" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.decodeTagList">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">decodeTagList</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.decodeTagList" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.encodeDataOffsetObjects">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">encodeDataOffsetObjects</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">datalist</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.encodeDataOffsetObjects" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.encodeDiscretionaryDataObjects">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">encodeDiscretionaryDataObjects</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">datalist</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.encodeDiscretionaryDataObjects" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.encodebertlvDatalist">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">encodebertlvDatalist</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tag</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">datalist</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.encodebertlvDatalist" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.pack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">pack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recalculate_length</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.pack" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.simpletlv_pack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">simpletlv_pack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recalculate_length</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.simpletlv_pack" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.simpletlv_unpack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">simpletlv_unpack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.simpletlv_unpack" title="Permalink to this definition">¶</a></dt>
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<dd><p>Unpacks a simpletlv coded string into a list of 3-tuples (tag, length,
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newvalue).</p>
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</dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.tlv_find_tag">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">tlv_find_tag</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tag</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">num_results</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.tlv_find_tag" title="Permalink to this definition">¶</a></dt>
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<dd><p>Find (and return) all instances of tag in the given tlv structure (as
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returned by unpack).
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If num_results is specified then at most that many results will be
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returned.</p>
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</dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.tlv_find_tags">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">tlv_find_tags</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tlv_data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tags</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">num_results</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.tlv_find_tags" title="Permalink to this definition">¶</a></dt>
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<dd><p>Find (and return) all instances of tags in the given tlv structure (as
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returned by unpack). If num_results is specified then at most that many
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results will be returned.</p>
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</dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.tlv_unpack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">tlv_unpack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.tlv_unpack" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt id="virtualsmartcard.TLVutils.unpack">
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<code class="sig-prename descclassname"><span class="pre">virtualsmartcard.TLVutils.</span></code><code class="sig-name descname"><span class="pre">unpack</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">with_marks</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">offset</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">include_filler</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.TLVutils.unpack" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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