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+  <title>oauth2client.crypt</title>
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+      <span class="breadcrumbs">
+        <a href="oauth2client-module.html">Package&nbsp;oauth2client</a> ::
+        Module&nbsp;crypt
+      </span>
+    </td>
+    <td>
+      <table cellpadding="0" cellspacing="0">
+        <!-- hide/show private -->
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+            >[<a href="frames.html" target="_top">frames</a
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+            target="_top">no&nbsp;frames</a>]</span></td></tr>
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+    </td>
+  </tr>
+</table>
+<!-- ==================== MODULE DESCRIPTION ==================== -->
+<h1 class="epydoc">Module crypt</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.crypt-pysrc.html">source&nbsp;code</a></span></p>
+<!-- ==================== CLASSES ==================== -->
+<a name="section-Classes"></a>
+<table class="summary" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Classes</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Classes"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.crypt.AppIdentityError-class.html" class="summary-name">AppIdentityError</a>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.crypt.Verifier-class.html" class="summary-name">Verifier</a><br />
+      Verifies the signature on a message.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.crypt.Signer-class.html" class="summary-name">Signer</a><br />
+      Signs messages with a private key.
+    </td>
+  </tr>
+</table>
+<!-- ==================== FUNCTIONS ==================== -->
+<a name="section-Functions"></a>
+<table class="summary" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Functions</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Functions"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a name="_urlsafe_b64encode"></a><span class="summary-sig-name">_urlsafe_b64encode</span>(<span class="summary-sig-arg">raw_bytes</span>)</span></td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.crypt-pysrc.html#_urlsafe_b64encode">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a name="_urlsafe_b64decode"></a><span class="summary-sig-name">_urlsafe_b64decode</span>(<span class="summary-sig-arg">b64string</span>)</span></td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.crypt-pysrc.html#_urlsafe_b64decode">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a name="_json_encode"></a><span class="summary-sig-name">_json_encode</span>(<span class="summary-sig-arg">data</span>)</span></td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.crypt-pysrc.html#_json_encode">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a href="oauth2client.crypt-module.html#make_signed_jwt" class="summary-sig-name">make_signed_jwt</a>(<span class="summary-sig-arg">signer</span>,
+        <span class="summary-sig-arg">payload</span>)</span><br />
+      Make a signed JWT.</td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.crypt-pysrc.html#make_signed_jwt">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a href="oauth2client.crypt-module.html#verify_signed_jwt_with_certs" class="summary-sig-name">verify_signed_jwt_with_certs</a>(<span class="summary-sig-arg">jwt</span>,
+        <span class="summary-sig-arg">certs</span>,
+        <span class="summary-sig-arg">audience</span>)</span><br />
+      Verify a JWT against public certs.</td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.crypt-pysrc.html#verify_signed_jwt_with_certs">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+</table>
+<!-- ==================== VARIABLES ==================== -->
+<a name="section-Variables"></a>
+<table class="summary" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Variables</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Variables"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="CLOCK_SKEW_SECS"></a><span class="summary-name">CLOCK_SKEW_SECS</span> = <code title="300">300</code>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="AUTH_TOKEN_LIFETIME_SECS"></a><span class="summary-name">AUTH_TOKEN_LIFETIME_SECS</span> = <code title="300">300</code>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="MAX_TOKEN_LIFETIME_SECS"></a><span class="summary-name">MAX_TOKEN_LIFETIME_SECS</span> = <code title="86400">86400</code>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'oauth2client'"><code class="variable-quote">'</code><code class="variable-string">oauth2client</code><code class="variable-quote">'</code></code>
+    </td>
+  </tr>
+</table>
+<!-- ==================== FUNCTION DETAILS ==================== -->
+<a name="section-FunctionDetails"></a>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Function Details</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-FunctionDetails"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+</table>
+<a name="make_signed_jwt"></a>
+<div>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr><td>
+  <table width="100%" cellpadding="0" cellspacing="0" border="0">
+  <tr valign="top"><td>
+  <h3 class="epydoc"><span class="sig"><span class="sig-name">make_signed_jwt</span>(<span class="sig-arg">signer</span>,
+        <span class="sig-arg">payload</span>)</span>
+  </h3>
+  </td><td align="right" valign="top"
+    ><span class="codelink"><a href="oauth2client.crypt-pysrc.html#make_signed_jwt">source&nbsp;code</a></span>&nbsp;
+    </td>
+  </tr></table>
+  
+  <pre class="literalblock">
+Make a signed JWT.
+
+See http://self-issued.info/docs/draft-jones-json-web-token.html.
+
+Args:
+  signer: crypt.Signer, Cryptographic signer.
+  payload: dict, Dictionary of data to convert to JSON and then sign.
+
+Returns:
+  string, The JWT for the payload.
+
+</pre>
+  <dl class="fields">
+  </dl>
+</td></tr></table>
+</div>
+<a name="verify_signed_jwt_with_certs"></a>
+<div>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr><td>
+  <table width="100%" cellpadding="0" cellspacing="0" border="0">
+  <tr valign="top"><td>
+  <h3 class="epydoc"><span class="sig"><span class="sig-name">verify_signed_jwt_with_certs</span>(<span class="sig-arg">jwt</span>,
+        <span class="sig-arg">certs</span>,
+        <span class="sig-arg">audience</span>)</span>
+  </h3>
+  </td><td align="right" valign="top"
+    ><span class="codelink"><a href="oauth2client.crypt-pysrc.html#verify_signed_jwt_with_certs">source&nbsp;code</a></span>&nbsp;
+    </td>
+  </tr></table>
+  
+  <pre class="literalblock">
+Verify a JWT against public certs.
+
+See http://self-issued.info/docs/draft-jones-json-web-token.html.
+
+Args:
+  jwt: string, A JWT.
+  certs: dict, Dictionary where values of public keys in PEM format.
+  audience: string, The audience, 'aud', that this JWT should contain. If
+    None then the JWT's 'aud' parameter is not verified.
+
+Returns:
+  dict, The deserialized JSON payload in the JWT.
+
+Raises:
+  AppIdentityError if any checks are failed.
+
+</pre>
+  <dl class="fields">
+  </dl>
+</td></tr></table>
+</div>
+<br />
+<!-- ==================== NAVIGATION BAR ==================== -->
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