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<?xml version="1.0" encoding="UTF-8"?>
<!--
check_algsupport.xsl
Checking ruleset for the SAML V2.0 Metadata Profile for Algorithm Support.
Author: Ian A. Young <ian@iay.org.uk>
-->
<xsl:stylesheet version="1.0"
xmlns:alg="urn:oasis:names:tc:SAML:metadata:algsupport"
xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns="urn:oasis:names:tc:SAML:2.0:metadata">
<!--
Common support functions.
-->
<xsl:import href="check_framework.xsl"/>
<!--
2.3 md:EncryptionMethod should appear only in md:KeyDescriptor elements
whose @use is omitted or set to "encryption", i.e., not "signing".
-->
<xsl:template match="md:EncryptionMethod[../@use='signing']">
<xsl:call-template name="error">
<xsl:with-param name="m">EncryptionMethod should not be present on 'signing' KeyDescriptor</xsl:with-param>
</xsl:call-template>
</xsl:template>
<!--
Check for duplicate SigningMethod or DigestMethod algorithms in any given list.
-->
<xsl:template match="md:Extensions[alg:*]">
<!-- check individual alg:SigningMethod and alg:DigestMethod elements -->
<xsl:apply-templates/>
</xsl:template>
<!--
2.4 Check for misplaced SigningMethod or DigestMethod elements.
-->
<xsl:template match="alg:*[not(parent::md:Extensions)]">
<xsl:call-template name="error">
<xsl:with-param name="m">
<xsl:text>alg:</xsl:text>
<xsl:value-of select="local-name()"/>
<xsl:text> must only appear within an Extensions element</xsl:text>
</xsl:with-param>
</xsl:call-template>
</xsl:template>
<!--
Check for duplicate EncryptionMethod elements in any given list.
-->
<xsl:template match="md:KeyDescriptor[md:EncryptionMethod]">
<!-- check individual md:EncryptionMethod elements -->
<xsl:apply-templates/>
</xsl:template>
</xsl:stylesheet>
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