
<h4>hmacSha1</h4>
<pre>public static&nbsp;<a href="../../../../com/lark/oapi/okio/HashingSink.html" title="com.lark.oapi.okio中的类">HashingSink</a>&nbsp;hmacSha1(<a href="../../../../com/lark/oapi/okio/Sink.html" title="com.lark.oapi.okio中的接口">Sink</a>&nbsp;sink,
                                   <a href="../../../../com/lark/oapi/okio/ByteString.html" title="com.lark.oapi.okio中的类">ByteString</a>&nbsp;key)</pre>
<div class="block">Returns a sink that uses the obsolete SHA-1 HMAC algorith