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<div class="section" id="epass-module">
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<h1>ePass Module<a class="headerlink" href="#epass-module" title="Permalink to this headline">¶</a></h1>
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<div class="graphviz"><img src="../../_images/inheritance-4597a997c71c5ba82a2efa2f624f6bda3bcd578a.png" alt="Inheritance diagram of virtualsmartcard.cards.ePass" usemap="#inheritancef880455e0d" class="inheritance graphviz" /></div>
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<map id="inheritancef880455e0d" name="inheritancef880455e0d">
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<area shape="rect" id="node1" href="virtualsmartcard.SEutils.html#virtualsmartcard.SEutils.Security_Environment" target="_top" title="virtualsmartcard.SEutils.Security_Environment" alt="" coords="5,55,331,80"/>
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<area shape="rect" id="node4" href="#virtualsmartcard.cards.ePass.ePass_SE" target="_top" title="This class implements the Security Environment of the ICAO Passports. It" alt="" coords="391,55,665,80"/>
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<area shape="rect" id="node2" href="virtualsmartcard.SmartcardSAM.html#virtualsmartcard.SmartcardSAM.SAM" target="_top" title="This class is used to store the data needed by the SAM." alt="" coords="35,5,301,31"/>
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<area shape="rect" id="node3" href="#virtualsmartcard.cards.ePass.PassportSAM" target="_top" title="SAM for ICAO ePassport. Implements Basic access control and key derivation" alt="" coords="379,5,677,31"/>
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</map><span class="target" id="module-virtualsmartcard.cards.ePass"></span><dl class="py class">
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<dt id="virtualsmartcard.cards.ePass.PassportSAM">
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<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">virtualsmartcard.cards.ePass.</span></code><code class="sig-name descname"><span class="pre">PassportSAM</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mf</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM" title="Permalink to this definition">¶</a></dt>
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<dd><p>Bases: <a class="reference internal" href="virtualsmartcard.SmartcardSAM.html#virtualsmartcard.SmartcardSAM.SAM" title="virtualsmartcard.SmartcardSAM.SAM"><code class="xref py py-class docutils literal notranslate"><span class="pre">virtualsmartcard.SmartcardSAM.SAM</span></code></a></p>
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<p>SAM for ICAO ePassport. Implements Basic access control and key derivation
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for Secure Messaging.</p>
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<dl class="py method">
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<dt id="virtualsmartcard.cards.ePass.PassportSAM.FSdecrypt">
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<code class="sig-name descname"><span class="pre">FSdecrypt</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.cards.ePass.PassportSAM.FSdecrypt" title="Permalink to this definition">¶</a></dt>
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<dd><p>Decrypt the given data, using the parameters stored in the SAM.
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Right now we do not encrypt the data. In memory encryption might or
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might not be added in a future version.</p>
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</dd></dl>
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<dl class="py method">
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<dt id="virtualsmartcard.cards.ePass.PassportSAM.FSencrypt">
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<code class="sig-name descname"><span class="pre">FSencrypt</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.cards.ePass.PassportSAM.FSencrypt" title="Permalink to this definition">¶</a></dt>
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<dd><p>Encrypt the given data, using the parameters stored in the SAM.
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Right now we do not encrypt the data. In memory encryption might or
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might not be added in a future version.</p>
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</dd></dl>
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<dl class="py method">
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<dt id="virtualsmartcard.cards.ePass.PassportSAM.__computeKeys">
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<code class="sig-name descname"><span class="pre">__computeKeys</span></code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.__computeKeys" title="Permalink to this definition">¶</a></dt>
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<dd><p>Computes the keys depending on the machine readable
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zone of the passport according to TR-PKI mrtds ICC read-only
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access v1.1 annex E.1.</p>
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</dd></dl>
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<dl class="py method">
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<dt id="virtualsmartcard.cards.ePass.PassportSAM._get_referenced_key">
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<code class="sig-name descname"><span class="pre">_get_referenced_key</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM._get_referenced_key" title="Permalink to this definition">¶</a></dt>
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<dd><p>This method returns the key specified by the p2 parameter. The key may
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be stored on the cards filesystem.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>p1</strong> – Specifies the algorithm to use.</p></li>
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<li><p><strong>p2</strong> – <p>Specifies a reference to the key to be used for encryption.</p>
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<table class="docutils align-default">
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<colgroup>
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 3%" />
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<col style="width: 73%" />
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</colgroup>
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<thead>
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<tr class="row-odd"><th class="head"><p>b8</p></th>
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<th class="head"><p>b7</p></th>
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<th class="head"><p>b6</p></th>
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<th class="head"><p>b5</p></th>
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<th class="head"><p>b4</p></th>
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<th class="head"><p>b3</p></th>
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<th class="head"><p>b2</p></th>
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<th class="head"><p>b1</p></th>
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<th class="head"><p>Meaning</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p>0</p></td>
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<td><p>0</p></td>
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||
<td><p>0</p></td>
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||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
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||
<td><p>0</p></td>
|
||
<td><p>No information is given</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>0</p></td>
|
||
<td><ul>
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||
<li></li>
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||
</ul>
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||
</td>
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||
<td><ul>
|
||
<li></li>
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||
</ul>
|
||
</td>
|
||
<td><ul>
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul>
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul>
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul>
|
||
<li></li>
|
||
</ul>
|
||
</td>
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<td><ul>
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||
<li></li>
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||
</ul>
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</td>
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<td><p>Global reference data(e.g. MF specific key)</p></td>
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||
</tr>
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<tr class="row-even"><td><p>1</p></td>
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<td><ul>
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<li></li>
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</ul>
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</td>
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<td><ul>
|
||
<li></li>
|
||
</ul>
|
||
</td>
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<td><ul>
|
||
<li></li>
|
||
</ul>
|
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</td>
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<td><ul>
|
||
<li></li>
|
||
</ul>
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||
</td>
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<td><ul>
|
||
<li></li>
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||
</ul>
|
||
</td>
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<td><ul>
|
||
<li></li>
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||
</ul>
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</td>
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<td><ul>
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<li></li>
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</ul>
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</td>
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<td><p>Specific reference data(e.g. DF specific
|
||
key)</p></td>
|
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</tr>
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<tr class="row-odd"><td><ul>
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||
<li></li>
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||
</ul>
|
||
</td>
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||
<td><ul>
|
||
<li></li>
|
||
</ul>
|
||
</td>
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||
<td><ul>
|
||
<li></li>
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||
</ul>
|
||
</td>
|
||
<td><p>x</p></td>
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||
<td><p>x</p></td>
|
||
<td><p>x</p></td>
|
||
<td><p>x</p></td>
|
||
<td><p>x</p></td>
|
||
<td><p>Number of the secret</p></td>
|
||
</tr>
|
||
</tbody>
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||
</table>
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||
<p>Any other value RFU</p>
|
||
</p></li>
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||
</ul>
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</dd>
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||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
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||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.change_reference_data">
|
||
<code class="sig-name descname"><span class="pre">change_reference_data</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.change_reference_data" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Change the specified referenced data (e.g. CHV) of the card</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.derive_key">
|
||
<em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">derive_key</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">seed</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">c</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.derive_key" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Derive a key according to TR-PKI mrtds ICC read-only access v1.1
|
||
annex E.1.
|
||
c is either 1 for encryption or 2 for MAC computation.
|
||
Returns: Ka + Kb
|
||
Note: Does not adjust parity. Nobody uses that anyway …</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.erase_SE">
|
||
<code class="sig-name descname"><span class="pre">erase_SE</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">SEID</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.erase_SE" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Erases a Security Environment stored under SEID from the SAM</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.external_authenticate">
|
||
<code class="sig-name descname"><span class="pre">external_authenticate</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">resp_data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.external_authenticate" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Performs the basic access control protocol as defined in
|
||
the ICAO MRTD standard</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.generate_public_key_pair">
|
||
<code class="sig-name descname"><span class="pre">generate_public_key_pair</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.generate_public_key_pair" title="Permalink to this definition">¶</a></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.get_card_number">
|
||
<code class="sig-name descname"><span class="pre">get_card_number</span></code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.get_card_number" title="Permalink to this definition">¶</a></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.get_challenge">
|
||
<code class="sig-name descname"><span class="pre">get_challenge</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.get_challenge" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Generate a random number of maximum 8 Byte and return it.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.internal_authenticate">
|
||
<code class="sig-name descname"><span class="pre">internal_authenticate</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.internal_authenticate" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Authenticate card to terminal. Encrypt the challenge of the terminal
|
||
to prove key posession</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.manage_security_environment">
|
||
<code class="sig-name descname"><span class="pre">manage_security_environment</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.manage_security_environment" title="Permalink to this definition">¶</a></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.mutual_authenticate">
|
||
<code class="sig-name descname"><span class="pre">mutual_authenticate</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mutual_challenge</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.mutual_authenticate" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Takes an encrypted challenge in the form
|
||
‘Terminal Challenge | Card Challenge | Card number’
|
||
and checks it for validity. If the challenge is successful
|
||
the card encrypts ‘Card Challenge | Terminal challenge’ and
|
||
returns this value</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.parse_SM_CAPDU">
|
||
<code class="sig-name descname"><span class="pre">parse_SM_CAPDU</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">CAPDU</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">header_authentication</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.parse_SM_CAPDU" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Parse a command APDU protected by Secure Messaging and return the
|
||
unprotected command APDU</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.perform_security_operation">
|
||
<code class="sig-name descname"><span class="pre">perform_security_operation</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.perform_security_operation" title="Permalink to this definition">¶</a></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.protect_result">
|
||
<code class="sig-name descname"><span class="pre">protect_result</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sw</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">unprotected_result</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.protect_result" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Protect a plain response APDU by Secure Messaging</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.restore_SE">
|
||
<code class="sig-name descname"><span class="pre">restore_SE</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">SEID</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.restore_SE" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Restores a Security Environment from the SAM and replaces the current
|
||
SE with it.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.set_MF">
|
||
<code class="sig-name descname"><span class="pre">set_MF</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mf</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.set_MF" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Setter function for the internal reference to the Filesystem. The SAM
|
||
needs a reference to the filesystem in order to store/retrieve keys.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.set_asym_algorithm">
|
||
<code class="sig-name descname"><span class="pre">set_asym_algorithm</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cipher</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">keytype</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.set_asym_algorithm" title="Permalink to this definition">¶</a></dt>
|
||
<dd><dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>cipher</strong> – Public/private key object from used for encryption</p></li>
|
||
<li><p><strong>keytype</strong> – Type of the public key (e.g. RSA, DSA)</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.store_SE">
|
||
<code class="sig-name descname"><span class="pre">store_SE</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">SEID</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.store_SE" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Stores the current Security environment in the secure access module.
|
||
The SEID is used as a reference to identify the SE.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.PassportSAM.verify">
|
||
<code class="sig-name descname"><span class="pre">verify</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">PIN</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.PassportSAM.verify" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Authenticate the card user. Check if he entered a valid PIN.
|
||
If the PIN is invalid decrement retry counter. If retry counter
|
||
equals zero, block the card until reset with correct PUK</p>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
<dl class="py class">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE">
|
||
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">virtualsmartcard.cards.ePass.</span></code><code class="sig-name descname"><span class="pre">ePass_SE</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">MF</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">SAM</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ssc</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.cards.ePass.ePass_SE" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Bases: <a class="reference internal" href="virtualsmartcard.SEutils.html#virtualsmartcard.SEutils.Security_Environment" title="virtualsmartcard.SEutils.Security_Environment"><code class="xref py py-class docutils literal notranslate"><span class="pre">virtualsmartcard.SEutils.Security_Environment</span></code></a></p>
|
||
<p>This class implements the Security Environment of the ICAO Passports. It
|
||
is required in order to use the send sequence counter for secure messaging.</p>
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE._set_SE">
|
||
<code class="sig-name descname"><span class="pre">_set_SE</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE._set_SE" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Manipulate the current Security Environment. P2 is the tag of a
|
||
control reference template, data contains control reference objects</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.compute_cryptographic_checksum">
|
||
<code class="sig-name descname"><span class="pre">compute_cryptographic_checksum</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.compute_cryptographic_checksum" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Compute a cryptographic checksum (e.g. MAC) for the given data.
|
||
The ePass uses a Send Sequence Counter for MAC calculation</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.compute_digital_signature">
|
||
<code class="sig-name descname"><span class="pre">compute_digital_signature</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.compute_digital_signature" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Compute a digital signature for the given data.
|
||
Algorithm and key are specified in the current SE</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>p1</strong> – Must be 0x9E = Secure Messaging class for digital signatures</p></li>
|
||
<li><p><strong>p2</strong> – Must be one of 0x9A, 0xAC, 0xBC. Indicates what kind of data
|
||
is included in the data field.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.decipher">
|
||
<code class="sig-name descname"><span class="pre">decipher</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.decipher" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Decipher data using key, algorithm, IV and Padding specified
|
||
by the current Security environment.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>raw data (no TLV coding). Padding is not removed!!!</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.encipher">
|
||
<code class="sig-name descname"><span class="pre">encipher</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.encipher" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Encipher data using key, algorithm, IV and Padding specified
|
||
by the current Security environment.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>raw data (no TLV coding).</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.generate_public_key_pair">
|
||
<code class="sig-name descname"><span class="pre">generate_public_key_pair</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.generate_public_key_pair" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>The GENERATE PUBLIC-KEY PAIR command either initiates the generation
|
||
and storing of a key pair, i.e., a public key and a private key, in the
|
||
card, or accesses a key pair previously generated in the card.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>p1</strong> – should be 0x00 (generate new key)</p></li>
|
||
<li><p><strong>p2</strong> – ‘00’ (no information provided) or reference of the key to
|
||
be generated</p></li>
|
||
<li><p><strong>data</strong> – One or more CRTs associated to the key generation if
|
||
P1-P2 different from ‘0000’</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.hash">
|
||
<code class="sig-name descname"><span class="pre">hash</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.hash" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Hash the given data using the algorithm specified by the current
|
||
Security environment.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>raw data (no TLV coding).</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.manage_security_environment">
|
||
<code class="sig-name descname"><span class="pre">manage_security_environment</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.manage_security_environment" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>This method is used to store, restore or erase Security Environments
|
||
or to manipulate the various parameters of the current SE.
|
||
P1 specifies the operation to perform, p2 is either the SEID for the
|
||
referred SE or the tag of a control reference template</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>p1</strong> – <p>Bitmask according to this table</p>
|
||
<table class="docutils align-default">
|
||
<colgroup>
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 4%" />
|
||
<col style="width: 71%" />
|
||
</colgroup>
|
||
<thead>
|
||
<tr class="row-odd"><th class="head"><p>b8</p></th>
|
||
<th class="head"><p>b7</p></th>
|
||
<th class="head"><p>b6</p></th>
|
||
<th class="head"><p>b5</p></th>
|
||
<th class="head"><p>b4</p></th>
|
||
<th class="head"><p>b3</p></th>
|
||
<th class="head"><p>b2</p></th>
|
||
<th class="head"><p>b1</p></th>
|
||
<th class="head"><p>Meaning</p></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr class="row-even"><td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>1</p></td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>Secure messaging in command data field</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>1</p></td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>Secure messaging in response data field</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>1</p></td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>Computation, decipherment, internal
|
||
authentication and key agreement</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>1</p></td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>Verification, encipherment, external
|
||
authentication and key agreement</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><ul class="simple">
|
||
<li></li>
|
||
</ul>
|
||
</td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>SET</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>STORE</p></td>
|
||
</tr>
|
||
<tr class="row-even"><td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>RESTORE</p></td>
|
||
</tr>
|
||
<tr class="row-odd"><td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>1</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>0</p></td>
|
||
<td><p>ERASE</p></td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.parse_SM_CAPDU">
|
||
<code class="sig-name descname"><span class="pre">parse_SM_CAPDU</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">CAPDU</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">authenticate_header</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.parse_SM_CAPDU" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>This methods parses a data field including Secure Messaging objects.
|
||
SM_header indicates whether or not the header of the message shall be
|
||
authenticated. It returns an unprotected command APDU</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>CAPDU</strong> – The protected CAPDU to be parsed</p></li>
|
||
<li><p><strong>authenticate_header</strong> – Whether or not the header should be
|
||
included in authentication mechanisms</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>Unprotected command APDU</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.perform_security_operation">
|
||
<code class="sig-name descname"><span class="pre">perform_security_operation</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.perform_security_operation" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>In the end this command is nothing but a big switch for all the other
|
||
commands in ISO 7816-8. It will invoke the appropriate command and
|
||
return its result</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.protect_response">
|
||
<code class="sig-name descname"><span class="pre">protect_response</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sw</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">result</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.protect_response" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>This method protects a response APDU using secure messaging mechanisms</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>the protected data and the SW bytes</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.verify_certificate">
|
||
<code class="sig-name descname"><span class="pre">verify_certificate</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.verify_certificate" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Verify a certificate send by the terminal using the internal trust
|
||
anchors.
|
||
This method is currently not implemented.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.verify_cryptographic_checksum">
|
||
<code class="sig-name descname"><span class="pre">verify_cryptographic_checksum</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.verify_cryptographic_checksum" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Verify the cryptographic checksum contained in the data field.
|
||
Data field must contain a cryptographic checksum (tag 0x8E) and a plain
|
||
value (tag 0x80)</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="virtualsmartcard.cards.ePass.ePass_SE.verify_digital_signature">
|
||
<code class="sig-name descname"><span class="pre">verify_digital_signature</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">p2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#virtualsmartcard.cards.ePass.ePass_SE.verify_digital_signature" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Verify the digital signature contained in the data field. Data must
|
||
contain a data to sign (tag 0x9A, 0xAC or 0xBC) and a digital signature
|
||
(0x9E)</p>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
</div>
|
||
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
<footer class="footer">
|
||
<div class="container">
|
||
<p class="pull-right">
|
||
<a href="#">Back to top</a>
|
||
|
||
</p>
|
||
<p>
|
||
© Copyright 2009-2023 by Dominik Oepen and Frank Morgner.<br/>
|
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|
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|
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|
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|
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