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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.sodium-crypto-sign-open" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>sodium_crypto_sign_open</refname>
<refpurpose>Check that the signed message has a valid signature</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>string</type><type>false</type></type><methodname>sodium_crypto_sign_open</methodname>
<methodparam><type>string</type><parameter>signed_message</parameter></methodparam>
<methodparam><type>string</type><parameter>public_key</parameter></methodparam>
</methodsynopsis>
<para>
Verify the signature attached to a message and return the message
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>signed_message</parameter></term>
<listitem>
<para>
A message signed with <function>sodium_crypto_sign</function>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>public_key</parameter></term>
<listitem>
<para>
An Ed25519 public key
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the original signed message on success, &return.falseforfailure;.
</para>
</refsect1>
</refentry>
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sgml-always-quote-attributes:t
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sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-local-ecat-files:nil
End:
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-->
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