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<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/> v;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>opaque<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>c[symm_key_len];<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>opaque<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>t[16];<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} EciesEncryptedKey;<br/>
</font>
</p>
<p class="class_44"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This structure defines how to transmit an ECIES-encrypted symmetric key as defined in IEEE <br/>Std 1363a‑2004 [<a href="REF">i.1</a>]. The <a href="ype">
<font style="font-family: Courier New;">EccPoint</font>
</a> <font style="font-family: Courier New;">v<font style="font-family: Times New Roman;"> contains the sender's ECC <font style="font-family: TimesNewRomanPSMT;">ephemeral<font style="font-family: Times New Roman;"> key used for the Elliptic Curve Encryption Scheme. This ephemeral key <font style="font-family: Courier New;">v<font style="font-family: Times New Roman;"> shall only be used once and for every encryption a new key shall be generated. The vector <font style="font-family: Courier New;">c<font style="font-family: Times New Roman;"> contains the encrypted (AES) key. The vector <font style="font-family: Courier New;">t<font style="font-family: Times New Roman;"> contains the authentication tag. The <font style="font-family: Courier New;">symm_key_len<font style="font-family: Times New Roman;"> defines the length of vector <font style="font-family: Courier New;">c<font style="font-family: Times New Roman;"> containing the encrypted (AES) key and shall be derived from the given algorithm <font style="font-family: Courier New;">symm_alg<font style="font-family: Times New Roman;"> and the mapping as defined in table <a href="ef">4</a>. The necessary algorithm shall be given as an external link to the parameter <a href="ncryptionparameters">
<font style="font-family: Courier New;">symm_algorithm</font>
</a> specified in the structure <a href="ype">
<font style="font-family: Courier New;">EncryptionParameters</font>
</a>. To ensure the external link to the <a href="ype">
<font style="font-family: Courier New;">SymmetricAlgorithm</font>
</a> <a href="ciestnistpparam">
<font style="font-family: Courier New;">symm_alg</font>
</a> can be resolved, this <a href="type">
<font style="font-family: Courier New;">EciesEncryptedKey</font>
</a> structure shall be preceded by an according <a href="ype">
<font style="font-family: Courier New;">EncryptionParameters</font>
</a> structure.</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</p>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">Further parameters used for the encryption and decryption using ECIES shall be:<br/>
</font>
</p>
<ul style="list-style-type: disc; margin: 0in 0in 0in 0.511806in; padding: 0pt; text-indent: -0.314583in; text-align: left;">
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">The parameters P</font>
<font style="font-size: 6pt; vertical-align: sub;">1</font>
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"> and P</font>
<font style="font-size: 6pt; vertical-align: sub;">2</font>
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"> shall be empty strings.<br/>
</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">ECSVDP-DHC shall be used as secret value derivation primitive.<br/>
</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">The stream cipher used shall be based on KDF2 using SHA-256.</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">As MAC, MAC1 shall be used with SHA-256 and tBits=128.</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">The length of the key (input) to MAC1 shall be 256 bits.</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">The encryption shall use non-DHAES mode.</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">Octet strings shall be interpreted using LSB compressed representation or uncompressed representation for the ECC points.</font>
</li>
</p>
</ul>
<p class="class_29">
<table style="border-collapse: collapse; border-spacing: 0pt;">
<tbody>
<tr style="height: 0in;"> <td colspan="2" style="border-bottom: 1px solid black; width: 6.65486in;">
<p class="class_29">
<font style="font-style: normal; font-weight: bold; text-decoration: none; vertical-align: baseline;">Table <font style="font-style: normal; font-weight: bold; text-decoration: none; vertical-align: baseline;">: Derivation of symmetric key size depending on the used algorithm</font>
</font>
</p>
</td>
</tr>
<tr style="height: 0in;"> <td style="border: 1px solid black; width: 3.41667in;">
<p class="class_30">
<font style="font-size: 9pt; font-style: normal; font-weight: bold; text-decoration: none; vertical-align: baseline;">SymmetricAlgorithm<font style="font-size: 9pt; font-style: normal; font-weight: bold; text-decoration: none; vertical-align: baseline;"> value</font>
</font>
</p>
</td> <td style="border: 1px solid black; width: 3.23819in;">
<p class="class_30">
<font style="font-size: 9pt; font-style: normal; font-weight: bold; text-decoration: none; vertical-align: baseline;">Length in octets</font>
</p>
</td>
</tr>
<tr style="height: 0in;"> <td style="border: 1px solid black; width: 3.41667in;">
<p class="class_30">
<font style="font-size: 9pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">aes<font style="font-size: 9pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">_128_ccm</font>
</font>
</p>
</td> <td style="border: 1px solid black; width: 3.23819in;">
<p class="class_30">
<font style="font-size: 9pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">16</font>
</p>
</td>
</tr>
</tbody>
</table>
</p>
<p class="class_5"/>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is identical to the one in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>], clause 6.2.25.<br/>
</font>
</p>
<h1 class="class_24">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367888">6<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Specification of certificate format</a>
<br/>
</font>
</h1>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367889">6.1<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_certificate">Certificate<br/>
</a>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">struct {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>uint8<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>version; <br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SignerInfo<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>signer_info;</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SubjectInfo<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>subject_info;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SubjectAttribute<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>subject_attributes<var>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>ValidityRestriction<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>validity_restrictions<var>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Signature<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>signature;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} Certificate;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This structure defines how to encode a certificate. </font>
</p>
<ul style="list-style-type: disc; margin: 0in 0in 0in 0.511806in; padding: 0pt; text-indent: -0.314583in; text-align: left;">
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_0df98c72-fcf5-46bd-ac32-c67617caeadc"><a class="requality_id" id="id_0df98c72-fcf5-46bd-ac32-c67617caeadc" name="0df98c72-fcf5-46bd-ac32-c67617caeadc"/><font style="font-family: Times New Roman;">version</font> specifies this certificate's version and shall be set to <font style="font-family: Courier New;">2</font> for conformance with the present document.</span> The <font style="font-family: Courier New;">version</font> shall be increased, if the standard is changed in an incompatible way, i.e. the syntax is incompatible such that older implementations cannot parse the format or the semantic has been changed significantly.</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280"><a class="requality_id" id="id_f19898f9-af2d-47ac-82cf-a71538b2e280" name="f19898f9-af2d-47ac-82cf-a71538b2e280"/>Information on this certificate's signer is given </span><font style="font-family: Courier New;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">signer_info field</span><font style="font-family: Times New Roman;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">. The signer_info shall be of type </span><font style="font-family: Courier New;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">self</span><font style="font-family: Times New Roman;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">, </span><font style="font-family: Courier New;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">certificate_digest_with_sha256</span><font style="font-family: Times New Roman;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">, </span><font style="font-family: Courier New;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">certificate_digest_with_other_algorithm</span><font style="font-family: Times New Roman;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">, or </span><font style="font-family: Courier New;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">reserved</span><font style="font-family: Times New Roman;"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">.</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></font><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></li><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span></p><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span><p class="class_35 b1+"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280"> </span><li class="class_36"><span class="requality_text id_f19898f9-af2d-47ac-82cf-a71538b2e280">
</span><font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">subject_info<font style="font-family: Times New Roman;"> specifies information on this certificate's subject. </font>
</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">Further information on the subject is given in the variable-length vector <font style="font-family: Courier New;">subject_attributes</font>. <span class="requality_text id_14ac0cc9-e94e-4c1d-a0ab-949a68c449e2"><a class="requality_id" id="id_14ac0cc9-e94e-4c1d-a0ab-949a68c449e2" name="14ac0cc9-e94e-4c1d-a0ab-949a68c449e2"/>The elements in the <font style="font-family: Courier New;">subject_attributes</font> array shall be encoded in ascending numerical order of their <font style="font-family: Courier New;">type</font> value, unless this is specifically overridden by a security profile.</span> <font style="font-family: Courier New;"><span class="requality_text id_f7f89eb7-edc5-4238-8886-a3865780f88e"><a class="requality_id" id="id_f7f89eb7-edc5-4238-8886-a3865780f88e" name="f7f89eb7-edc5-4238-8886-a3865780f88e"/>subject_attributes</span></font><span class="requality_text id_f7f89eb7-edc5-4238-8886-a3865780f88e"> shall not contain two entries with the same </span><font style="font-family: Courier New;"><span class="requality_text id_f7f89eb7-edc5-4238-8886-a3865780f88e">type</span></font><span class="requality_text id_f7f89eb7-edc5-4238-8886-a3865780f88e"> value.</span></font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">The variable-length vector <font style="font-family: Courier New;">validity_restrictions</font> specifies restrictions regarding this certificate's validity. <span class="requality_text id_4d1be56a-6392-4bb5-aee0-608ca40f1dd5"><a class="requality_id" id="id_4d1be56a-6392-4bb5-aee0-608ca40f1dd5" name="4d1be56a-6392-4bb5-aee0-608ca40f1dd5"/>The elements in the <font style="font-family: Courier New;">validity_restrictions</font> array shall be encoded in ascending numerical order of their <font style="font-family: Courier New;">type</font> value, unless this is specifically overridden by a security profile. <font style="font-family: Courier New;">validity_restrictions</font> shall not contain two entries with the same <font style="font-family: Courier New;">type</font> value.</span> Each certificate shall include at least one <font style="font-family: Courier New;">validity_restriction</font> of type <font style="font-family: Courier New;">time_end</font>, <font style="font-family: Courier New;">time_start_and_end</font>, or <font style="font-family: Courier New;">time_start_and_duration</font>.</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">signature<font style="font-family: Times New Roman;"> holds the signature of this certificate signed by the responsible CA. <span class="requality_text id_f144275a-ca15-46cb-8d99-fdda823ed6ab"><a class="requality_id" id="id_f144275a-ca15-46cb-8d99-fdda823ed6ab" name="f144275a-ca15-46cb-8d99-fdda823ed6ab"/>The signature shall be calculated over the encoding of all preceding fields, including all encoded lengths.</span> If the <font style="font-family: Courier New;">subject_attributes<font style="font-family: Times New Roman;"> field contains a field of type <font style="font-family: Courier New;">reconstruction_value<font style="font-family: Times New Roman;">, the <font style="font-family: Courier New;">signature<font style="font-family: Times New Roman;"> field shall be omitted. The <font style="font-family: Courier New;">reconstruction_value<font style="font-family: Times New Roman;"> may be used for implicit certificates using ECQV [<a href="REF">i.5</a>].</font>
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</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</font>
</li>
</p>
</ul>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE 1:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/><span class="requality_text id_4ee1b61f-a484-4fc4-b43d-aa191370d877"><a class="requality_id" id="id_4ee1b61f-a484-4fc4-b43d-aa191370d877" name="4ee1b61f-a484-4fc4-b43d-aa191370d877"/>A certificate is considered valid if the current time is within the validity period specified in the certificate, the current region is within the validity region specified in the certificate, the type of the certificate is valid for the current type of communication, the signature, which covers all fields except the signature itself, is valid, and the certificate of the signer is valid as signer for the given certificate's type. If the certificate is self-signed, it is valid if it is stored as a trusted certificate.</span><br/>
</font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE 2:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition differs substantially from the one in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>], clause 6.3.1.</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367890">6.2<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_subjectinfo">SubjectInfo<br/>
</a>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">struct {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SubjectType<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>subject_type;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>opaque<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>subject_name<2^8-1>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} SubjectInfo;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This structure defines how to encode information about a certificate's subject. It contains the type of information in <font style="font-family: Courier New;">subject_type</font> and the information itself in the variable-length vector <font style="font-family: Courier New;">subject_name</font>. <span class="requality_text id_fc61be6e-0117-4aeb-884d-87c64033dfd0"><a class="requality_id" id="id_fc61be6e-0117-4aeb-884d-87c64033dfd0" name="fc61be6e-0117-4aeb-884d-87c64033dfd0"/>The <font style="font-family: Courier New;">subject_name</font> variable-length vector shall have a maximum length of 32 bytes.</span></font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is not available in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>].<br/>
</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367891">6.3<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_subjecttype">SubjectType<br/>
</a>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">enum {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>enrollment_credential(0),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>authorization_ticket(1),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>authorization_authority(2),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>enrollment_authority(3),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>root_ca(4),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>crl_signer(5),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>(2^8-1)</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} SubjectType;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This enumeration lists the possible types of subjects:<br/>
</font>
</p>
<ul style="list-style-type: disc; margin: 0in 0in 0in 0.511806in; padding: 0pt; text-indent: -0.314583in; text-align: left;">
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">Regular ITS stations shall use certificates containing a <a href="type">
<font style="font-family: Courier New;">SubjectInfo</font>
</a> of <a href="type">
<font style="font-family: Courier New;">SubjectType</font>
</a> <font style="font-family: Courier New;">enrollment_credential<font style="font-family: Times New Roman;"> when communicating with Enrolment CAs. <span class="requality_text id_70256032-089a-4b8b-b120-defd1af8a96d"><a class="requality_id" id="id_70256032-089a-4b8b-b120-defd1af8a96d" name="70256032-089a-4b8b-b120-defd1af8a96d"/><span class="requality_text id_755f6e01-92d3-4b98-90ad-1f37ec6d6980"><a class="requality_id" id="id_755f6e01-92d3-4b98-90ad-1f37ec6d6980" name="755f6e01-92d3-4b98-90ad-1f37ec6d6980"/>Such certificates shall not be accepted as signers of other certificates</span> or in regular communication by other ITS-Stations. </span></font>
</font>
</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0"><a class="requality_id" id="id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0" name="6ca2d2f6-8aea-4f69-95bd-596488ea39d0"/>Regular ITS stations shall use certificates containing a </span><a href="type"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">
</span><font style="font-family: Courier New;"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">SubjectInfo</span></font><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">
</span></a><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0"> of </span><a href="type"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">
</span><font style="font-family: Courier New;"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">SubjectType</span></font><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">
</span></a><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0"> </span><font style="font-family: Courier New;"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0">authorization_ticket</span><font style="font-family: Times New Roman;"><span class="requality_text id_6ca2d2f6-8aea-4f69-95bd-596488ea39d0"> when communicating with other ITS-Stations</span>. <span class="requality_text id_0c97001c-61ac-4fe4-846c-43f17bdff475"><a class="requality_id" id="id_0c97001c-61ac-4fe4-846c-43f17bdff475" name="0c97001c-61ac-4fe4-846c-43f17bdff475"/>Such certificates shall not be accepted as signers of other certificates.</span><br/>
</font>
</font>
</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0"><a class="requality_id" id="id_2192ce7e-f93c-4f63-a974-13e73c7917f0" name="2192ce7e-f93c-4f63-a974-13e73c7917f0"/>Authorization CAs, which sign authorization tickets (pseudonyms) for ITS stations, shall use the </span><a href="type"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span><font style="font-family: Courier New;"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">SubjectType</span></font><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span></a><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0"> </span><font style="font-family: Courier New;"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">authorization_authority</span><font style="font-family: Times New Roman;"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">.</span><br/><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span></font><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span></font><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span></font><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span></li><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span></p><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span><p class="class_39 b1+"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0"> </span><li class="class_36"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0">
</span><font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_2192ce7e-f93c-4f63-a974-13e73c7917f0"/>Enrolment CAs, which sign enrolment credentials (long term certificates) for ITS stations, shall use the <a href="type">
<font style="font-family: Courier New;">SubjectType</font>
</a> <font style="font-family: Courier New;">enrollment_authority<font style="font-family: Times New Roman;">.<br/>
</font>
</font>
</font>
</li>
</p>
<p class="class_39 b1+"> <li class="class_36">
<font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835"><a class="requality_id" id="id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835" name="12e35a8b-e0f5-44e6-a5f5-4fb3e932e835"/>Root CAs, which sign certificates of other CAs, shall use the </span><a href="type"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span><font style="font-family: Courier New;"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">SubjectType</span></font><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span></a><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835"> </span><font style="font-family: Courier New;"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">root_ca</span><font style="font-family: Times New Roman;"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">. </span></font><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span></font><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span></font><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span></li><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span></p><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span><p class="class_39 b1+"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835"> </span><li class="class_36"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835">
</span><font style="font-family: Times New Roman; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_12e35a8b-e0f5-44e6-a5f5-4fb3e932e835"/>Certificate revocation list signers shall use <a href="type">
<font style="font-family: Courier New;">SubjectType</font>
</a> <font style="font-family: Courier New;">crl_signer<font style="font-family: Times New Roman;">.</font>
</font>
</font>
</li>
</p>
</ul>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition substantially differs from the one in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>], clause 6.3.3.</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367892">6.4<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_subjectattribute">SubjectAttribute</a>
<br/>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">struct {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SubjectAttributeType<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>type;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>select(type) {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case verification_key:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case encryption_key:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>PublicKey<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>key;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case reconstruction_value:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a href="type">EccPoint</a>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>rv;</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case assurance_level:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SubjectAssurance<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>assurance_level;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case its_aid_list:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>IntX<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>its_aid_list<var>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case its_aid_ssp_list:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>ItsAidSsp<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>its_aid_ssp_list<var>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>unknown:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>opaque<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>other_attribute<var>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>}<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} SubjectAttribute;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This structure defines how to encode a subject attribute. These attributes serve the purpose of specifying the technical details of a certificate's subject. Depending on the value of <font style="font-family: Courier New;">type<font style="font-family: Times New Roman;">, the following additional data shall be given:</font>
</font>
</font>
</p>
<ul style="list-style-type: disc; margin: 0in 0in 0in 0.511806in; padding: 0pt; text-indent: -0.314583in; text-align: left;">
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">verification_key<font style="font-family: Times New Roman;"> and <font style="font-family: Courier New;">encryption_key<font style="font-family: Times New Roman;">: a public key contained in a <a href="ype">
<font style="font-family: Courier New;">PublicKey</font>
</a> structure shall be given.<br/>
</font>
</font>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">reconstruction_value<font style="font-family: Times New Roman;">: an ECC point contained in a <a href="type">
<font style="font-family: Courier New;">EccPoint</font>
</a> structure shall be given, which may be used for implicit certificates using ECQV [<a href="REF">i.5</a>].</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">assurance_level<font style="font-family: Times New Roman;">: the assurance level for the subject contained in a <a href="ype">
<font style="font-family: Courier New;">SubjectAssurance</font>
</a> structure shall be given.<br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">its_aid_list<font style="font-family: Times New Roman;">: ITS-AIDs contained in a variable-length vector of type <a href="ype">
<font style="font-family: Courier New;">IntX</font>
</a> shall be given. <br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">its_aid_ssp_list<font style="font-family: Times New Roman;">: ITS-AIDs with associated SSPs contained in a variable-length vector of type <a href="ype">
<font style="font-family: Courier New;">ItsAidSsp</font>
</a> shall be given. <br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">unknown<font style="font-family: Times New Roman;">: in all other cases, a variable-length vector containing <font style="font-family: Courier New;">opaque<font style="font-family: Times New Roman;"> data shall be given.</font>
</font>
</font>
</font>
</li>
</p>
</ul>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is not available in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>].</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367893">6.5<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_subjectattributetype">SubjectAttributeType</a>
<br/>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">enum {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>verification_key(0),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>encryption_key(1),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>assurance_level(2),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>reconstruction_value(3),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>its_aid_list(32),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>its_aid_ssp_list(33),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>(2^8-1)<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} SubjectAttributeType;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This enumeration lists the possible types of subject attributes.<br/>
</font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is not available in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>].<br/>
</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367894">6.6<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_subjectassurance">SubjectAssurance<br/>
</a>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">opaque<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>SubjectAssurance;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This field contains the ITS‑S's assurance, which denotes the ITS‑S's security of both the platform and storage of secret keys as well as the confidence in this assessment.<br/>
</font>
</p>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This field shall be encoded as defined in table <a href="">5</a>, where "A" denotes bit fields specifying an assurance level, "R" reserved bit fields and "C" bit fields specifying the confidence.</font>
</p>
<p class="class_29">
<font style="font-style: normal; font-weight: bold; text-decoration: none; vertical-align: baseline;">Table <a id="ref_tab_subject_assurance">5</a>: Bitwise encoding of subject assurance<br/>
</font>
</p>
<p class="class_17">
<table style="border-collapse: collapse; border-spacing: 0pt;">
<tbody>
<tr style="height: 0in;"> <td style="border: 1px solid black; width: 0.933333in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">Bit number</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">7</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">6</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">5</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">4</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">3</font>
</p>
</td> <td style="border: 1px solid black; width: 0.492361in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">2</font>
</p>
</td> <td style="border: 1px solid black; width: 0.492361in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">1</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">0</font>
</p>
</td>
</tr>
<tr style="height: 0in;"> <td style="border: 1px solid black; width: 0.933333in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">Interpretation</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">A</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">A</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">A</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">R</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">R</font>
</p>
</td> <td style="border: 1px solid black; width: 0.492361in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">R</font>
</p>
</td> <td style="border: 1px solid black; width: 0.492361in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">C</font>
</p>
</td> <td style="border: 1px solid black; width: 0.39375in; vertical-align: top;">
<p class="class_17">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">C</font>
</p>
</td>
</tr>
</tbody>
</table>
</p>
<p class="class_5"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">In table <a href="">5</a>, bit number 0 denotes the least significant bit. Bit 7 to bit 5 denote the ITS-S's assurance levels, bit 4 to bit 2 are reserved for future use and bit 1 and bit 0 denote the confidence.</font>
</p>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">The specification of these assurance levels as well as the encoding of the confidence levels is outside the scope of the present document. The default (no assurance) shall be all bits set to 0.</font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE 1:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is not available in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>].</font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE 2:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>A process should be defined how to evaluate each implementation and how to assign a corresponding subject assurance according to the evaluation result(s). However, this process is out of scope of the present document.</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367895">6.7<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_validityrestriction">ValidityRestriction<br/>
</a>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">struct {<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>ValidityRestrictionType type;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>select(type){<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case time_end:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Time32<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>end_validity;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case time_start_and_end:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Time32<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>start_validity;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Time32<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>end_validity;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case time_start_and_duration:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Time32<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>start_validity;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>Duration<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>duration;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>case region:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>GeographicRegion<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>region;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>unknown:<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>opaque<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>data<var>;<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>}<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} ValidityRestriction;<br/>
</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This structure defines ways to restrict the validity of a certificate depending on the value of <font style="font-family: Courier New;">type<font style="font-family: Times New Roman;">:</font>
</font>
</font>
</p>
<ul style="list-style-type: disc; margin: 0in 0in 0in 0.511806in; padding: 0pt; text-indent: -0.314583in; text-align: left;">
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">time_end<font style="font-family: Times New Roman;">: the expiration date for the associated certificate contained in a <a href="type">
<font style="font-family: Courier New;">Time32</font>
</a> structure shall be given.<br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">time_start_and_end<font style="font-family: Times New Roman;">: the beginning of the validity contained in a <a href="type">
<font style="font-family: Courier New;">Time32</font>
</a> structure and the expiration date contained in another <a href="type">
<font style="font-family: Courier New;">Time32</font>
</a> structure shall be given.<br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">time_start_and_duration<font style="font-family: Times New Roman;">: the beginning of the validity contained in a <a href="type">
<font style="font-family: Courier New;">Time32</font>
</a> structure and the duration of validity contained in a <a href="type">
<font style="font-family: Courier New;">Duration</font>
</a> structure shall be given.<br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">region<font style="font-family: Times New Roman;">: the region the certificate is valid in contained in a <a href="ype">
<font style="font-family: Courier New;">GeographicRegion</font>
</a> structure shall be given.<br/>
</font>
</font>
</li>
</p>
<p class="class_35 b1+"> <li class="class_36">
<font style="font-family: Courier New; font-size: 10pt; font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">unknown<font style="font-family: Times New Roman;">: in all other cases, a variable-length vector containing <font style="font-family: Courier New;">opaque<font style="font-family: Times New Roman;"> data shall be given.<br/>
</font>
</font>
</font>
</font>
</li>
</p>
</ul>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;"><span class="requality_text id_6651de8c-4325-4b42-a018-9ef5c927537d"><a class="requality_id" id="id_6651de8c-4325-4b42-a018-9ef5c927537d" name="6651de8c-4325-4b42-a018-9ef5c927537d"/>A valid certificate shall contain exactly one validity restriction of type <font style="font-family: Courier New;">time_end</font>, <font style="font-family: Courier New;">time_start_and_end</font>, or <font style="font-family: Courier New;">time_start_and_duration</font>.</span><br/>
</font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is not available in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>].<br/>
</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367896">6.8<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="type_validityrestrictiontype">ValidityRestrictionType<br/>
</a>
</a>
</font>
</h2>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">enum { <br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>time_end(0),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>time_start_and_end(1),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>time_start_and_duration(2),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>region(3),<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>(2^8-1)<br/>
</font>
</p>
<p class="class_31">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">} ValidityRestrictionType;</font>
</p>
<p class="class_31"/>
<p class="class_5">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">This enumeration lists the possible types of restrictions to a certificate's validity.<br/>
</font>
</p>
<p class="class_25">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">NOTE:<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>This definition is not available in IEEE 1609.2 Draft D12 [<a href="REF">i.2</a>].<br/>
</font>
</p>
<h2 class="class_26">
<font style="font-style: normal; font-weight: normal; text-decoration: none; vertical-align: baseline;">
<a id="_Toc388367897">6.9<img border="0" height="1" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" width="18"/>
<a id="_Ref261257051">ItsAidSsp<br/>