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<html>
<head>
<meta name="generator" content="HTML Tidy for HTML5 for Linux version 5.6.0">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>XML Security Library: XML Digital Signature</title>
<link rel="stylesheet" href="css/main.css">
</head>
<body><table width="100%" valign="top"><tr valign="top">
<td valign="top" align="left" width="210">
<img src="images/logo.gif" alt="XML Security Library" border="0"><p></p>
<ul>
<li><a href="index.html">Home</a></li>
<li><a href="download.html">Download</a></li>
<ul><li><a href="https://github.com/lsh123/xmlsec">GitHub</a></li></ul>
<li><a href="news.html">News</a></li>
<li><a href="documentation.html">Documentation</a></li>
<ul>
<li><a href="faq.html">FAQ</a></li>
<li><a href="api/xmlsec-notes.html">Tutorial</a></li>
<li><a href="api/xmlsec-reference.html">API reference</a></li>
<li><a href="api/xmlsec-examples.html">Examples</a></li>
</ul>
<li><a href="xmldsig.html">XML Digital Signature</a></li>
<li><a href="xmlenc.html">XML Encryption</a></li>
<li><a href="c14n.html">XML Canonicalization</a></li>
<li><a href="bugs.html">Reporting Bugs</a></li>
<li><a href="mailing-list.html">Mailing list</a></li>
<li><a href="related.html">Related</a></li>
<li><a href="authors.html">Authors</a></li>
</ul>
<table width="100%">
<tr>
<td width="15"></td>
<td><a href="http://xmlsoft.org/"><img src="images/libxml2-logo.png" alt="LibXML2" border="0"></a></td>
</tr>
<tr>
<td width="15"></td>
<td><a href="http://xmlsoft.org/XSLT"><img src="images/libxslt-logo.png" alt="LibXSLT" border="0"></a></td>
</tr>
<tr>
<td width="15"></td>
<td><a href="http://www.openssl.org/"><img src="images/openssl-logo.png" alt="OpenSSL" border="0"></a></td>
</tr>
<!--Links - start--><!--Links - end-->
</table>
</td>
<td valign="top"><table width="80%" valign="top" style="margin-left:10px;"><tr><td valign="top" align="left" id="xmlsecContent">
<div align="center"><h2>XML Digital Signature Interoperability Report</h2></div>
<div style="width: 85%;" align="left">
<div>
XML Security library supports the following features as defined in
<a href="https://www.w3.org/TR/xmldsig-core1/">XML Signature Syntax and Processing 1.1</a>
(also see <a href="https://www.ietf.org/rfc/rfc9231.html">RFC 9231</a>):
</div>
<div id="core">
<h3>XMLSec Library core features</h3>
<table width="100%" border="1" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="width: 40%;" valign="top"> </td>
<td style="width: 20%;" valign="top">
<b><a href="https://www.w3.org/TR/xmldsig-core/#sec-AlgID">Requirements</a></b>
</td>
<td valign="top"><b>Status</b></td>
</tr>
<tr>
<td colspan="3"><b>Processing rules</b></td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-ReferenceGeneration">Reference Generation</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SignatureGeneration">Signature Generation</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-ReferenceValidation">Reference Validation</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SignatureValidation">Signature Validation</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td colspan="3"><b>Syntax</b></td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-CryptoBinary">The ds:CryptoBinary Simple
Type</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Signature">The Signature Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SignatureValue">The SignatureValue
Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SignedInfo">The SignedInfo Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-CanonicalizationMethod">The
CanonicalizationMethod Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SignatureMethod">The SignatureMethod
Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Reference">The Reference Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-URI">The Reference Element: URI
Attribute</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Transforms">The Transforms Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-DigestMethod">The DigestMethod Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-DigestValue">The DigestValue Element</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-KeyInfo">The KeyInfo Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-KeyName">The KeyName Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-KeyValue">The KeyValue Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes (disabled by default; also see <a href="#algorithms">algorithms section</a>)</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-RetrievalMethod">The RetrievalMethod
Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-MgmtData">The MgmtData Element</a>
</td>
<td valign="top">NOT RECOMMENDED and SHOULD NOT be used</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmlenc-core1/#sec-Extensions-to-KeyInfo">XML Encryption
EncryptedKey and DerivedKey Elements</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes (see <a href="xmlenc.html">XML Encryption report)</a>
</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-KeyInfoReference">The
KeyInfoReference Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Object">The Object Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes (only the Manifest element is supported)</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Manifest">The Manifest Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SignatureProperties">The SignatureProperties Element</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top">No (ignored)</td>
</tr>
<tr>
<td colspan="3"><b>Transforms</b></td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Canonical">Canonical XML 1.0 (C14N) omit
comments</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Canonical">Canonical XML 1.0 (C14N) with
comments</a>
</td>
<td valign="top">Recommended</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Canonical11">Canonical XML 1.1 (C14N11) omit
comments</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Canonical11">Canonical XML 1.1 (C14N11) with
comments</a>
</td>
<td valign="top">Recommended</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-ExcC14N10">Exlusive Canonical XML 1.0
(EXC-C14N) omit comments</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-ExcC14N10">Exlusive Canonical XML 1.0
(EXC-C14N) with comments</a>
</td>
<td valign="top">Recommended</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-Base-64">Base64 Transform</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-XPath">XPath Filtering</a>
</td>
<td valign="top">Recommended</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/2002/REC-xmldsig-filter2-20021108/">XPath Filter 2.0</a>
</td>
<td valign="top">Recommended</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-EnvelopedSignature">Enveloped Signature
Transform</a>
</td>
<td valign="top">Required</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-XSLT">XSLT Transform</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#xslt"><sup>(1)</sup></a>
</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmlenc-decrypt/">Decryption Transform</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#section-2.5.1">XPointer Transform</a>
</td>
<td valign="top">Optional</td>
<!--Requirements -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
</tr>
</tbody>
</table>
</div>
<div id="algorithms">
<h3>XMLSec Cryptographic Libraries features</h3>
<table width="100%" border="1" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="width: 40%;" valign="top"> </td>
<td style="width: 20%;" valign="top">
<b><a href="https://www.w3.org/TR/xmldsig-core/#sec-AlgID">Requirements</a></b>
</td>
<td valign="top"><b>XMLSec with OpenSSL</b></td>
<td valign="top"><b>XMLSec with NSS</b></td>
<td valign="top"><b>XMLSec with GnuTLS</b></td>
<td valign="top"><b>XMLSec with MSCng</b></td>
<td valign="top"><b>XMLSec with MSCrypto</b></td>
<td valign="top"><b>XMLSec with GCrypt</b></td>
</tr>
<tr>
<td valign="top" colspan="8"><b>Message Digests</b></td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SHA-1">SHA-1</a>
</td>
<td valign="top">Required (use is DISCOURAGED)</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SHA-224">SHA2-224</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SHA-256">SHA2-256</a>
</td>
<td valign="top">Required</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SHA-384">SHA2-384</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-SHA-512">SHA2-512</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#name-sha-3-algorithms">SHA3-224</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#name-sha-3-algorithms">SHA3-256</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#name-sha-3-algorithms">SHA3-384</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#name-sha-3-algorithms">SHA3-512</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmlenc-core1/#sec-RIPEMD-160">RIPEMD160</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">GOST-R3411-94</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#gost-openssl"><sup>(2)</sup></a>
</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#gost-mscrypto"><sup>(3)</sup></a>
</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">GOST-R3411-2012 (256 bit)</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#gost-openssl"><sup>(2)</sup></a>
</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#gost-mscrypto"><sup>(3)</sup></a>
</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">GOST-R3411-2012 (512 bit)</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#gost-openssl"><sup>(2)</sup></a>
</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes <a href="#gost-mscrypto"><sup>(3)</sup></a>
</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#section-2.1.1">MD5</a>
</td>
<td valign="top">DEPRECATED</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top" colspan="8">
<b>Message Authentication Codes</b>
</td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-HMAC">HMAC-SHA1</a>
</td>
<td valign="top">Required (use is DISCOURAGED)</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-HMAC">HMAC-SHA2-224</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-HMAC">HMAC-SHA2-256</a>
</td>
<td valign="top">Required</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-HMAC">HMAC-SHA2-384</a>
</td>
<td valign="top">Recommended</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-HMAC">HMAC-SHA2-512</a>
</td>
<td valign="top">Recommended</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#section-2.2.3">HMAC-RIPEMD160</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#section-2.2.1">HMAC-MD5</a>
</td>
<td valign="top">DEPRECATED</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top" colspan="8"><b>Signatures</b></td>
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-DSA">DSA-SHA1</a>
</td>
<td valign="top">Required (use is DISCOURAGED for signature generation)</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-DSA">DSA-SHA256</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-PKCS1">PKCS1 RSA-SHA1</a>
</td>
<td valign="top">Recommended (use is DISCOURAGED for signature generation)</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-PKCS1">PKCS1 RSA-SHA2-224</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top">No</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-PKCS1">PKCS1 RSA-SHA2-256</a>
</td>
<td valign="top">Required</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-PKCS1">PKCS1 RSA-SHA2-384</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.w3.org/TR/xmldsig-core1/#sec-PKCS1">PKCS1 RSA-SHA2-512</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#section-2.3.5">PKCS1 RSA-RIPEMD160</a>
</td>
<td valign="top">Optional</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top">No</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top">No</td>
<!-- MSCng -->
<td valign="top">No</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">
<a href="https://www.ietf.org/rfc/rfc9231.html#section-2.3.1">PKCS1 RSA-MD5</a>
</td>
<td valign="top">DEPRECATED</td>
<!-- Requirements-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- OpenSSL-->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- NSS -->
<td valign="top">No</td>
<!-- GnuTLS -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCng -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- MSCrypto -->
<td valign="top" bgcolor="#C1E1C1">Yes</td>
<!-- GCrypt -->
</tr>
<tr>
<td valign="top">