php-doc-en/reference/openssl/functions/openssl-cms-verify.xml
2021-01-04 13:04:55 +01:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.openssl-cms-verify" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>openssl_cms_verify</refname>
<refpurpose>Verify a CMS signature</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>openssl_cms_verify</methodname>
<methodparam><type>string</type><parameter>input_filename</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>0</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>certificates</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type>array</type><parameter>ca_info</parameter><initializer>[]</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>untrusted_certificates_filename</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>content</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>pk7</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>sigfile</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter>encoding</parameter><initializer><constant>OPENSSL_ENCODING_SMIME</constant></initializer></methodparam>
</methodsynopsis>
<para>
This function verifies a CMS signature, either attached or detached, with the specified encoding.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>input_filename</parameter></term>
<listitem>
<para>
The input file.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>flags</parameter></term>
<listitem>
<para>
Flags to pass to <function>cms_verify</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>certificates</parameter></term>
<listitem>
<para>
A file with the signer certificate and optionally intermediate certificates.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>ca_info</parameter></term>
<listitem>
<para>
An array containing self-signed certificate authority certificates.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>untrusted_certificates_filename</parameter></term>
<listitem>
<para>
A file containing additional intermediate certificates.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>content</parameter></term>
<listitem>
<para>
A file pointing to the content when signatures are detached.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>pk7</parameter></term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>sigfile</parameter></term>
<listitem>
<para>
A file to save the signature to.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>encoding</parameter></term>
<listitem>
<para>
The encoding of the input file. One of <constant>OPENSSL_CMS_SMIME</constant>,
<constant>OPENSLL_CMS_DER</constant> or <constant>OPENSSL_CMS_PEM</constant>.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
</refentry>
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