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In addition to refular verification + * we ensure that the signature has only one <dsig:Reference/> element + * with an empty or NULL URI attribute and one enveloped signature transform + * as it is required by SAML specification. + * + * This example was developed and tested with OpenSSL crypto library. The + * certificates management policies for another crypto library may break it. + * + * Usage: + * verify4 <signed-file> <trusted-cert-pem-file1> [<trusted-cert-pem-file2> [...]] + * + * Example (sucecess): + * ./verify4 verify4-res.xml rootcert.pem + * + * Example (failure): + * ./verify4 verify4-bad-res.xml rootcert.pem + * In the same time, verify3 example successfuly verifies this signature: + * ./verify3 verify4-bad-res.xml rootcert.pem + * + * This is free software; see Copyright file in the source + * distribution for preciese wording. + * + * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com> + */ +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +#include <libxml/tree.h> +#include <libxml/xmlmemory.h> +#include <libxml/parser.h> + +#ifndef XMLSEC_NO_XSLT +#include <libxslt/xslt.h> +#include <libxslt/security.h> +#endif /* XMLSEC_NO_XSLT */ + +#include <xmlsec/xmlsec.h> +#include <xmlsec/xmltree.h> +#include <xmlsec/xmldsig.h> +#include <xmlsec/crypto.h> + +xmlSecKeysMngrPtr load_trusted_certs(char** files, int files_size); +int verify_file(xmlSecKeysMngrPtr mngr, const char* xml_file); + +int +main(int argc, char **argv) { +#ifndef XMLSEC_NO_XSLT + xsltSecurityPrefsPtr xsltSecPrefs = NULL; +#endif /* XMLSEC_NO_XSLT */ + xmlSecKeysMngrPtr mngr; + + assert(argv); + + if(argc < 3) { + fprintf(stderr, "Error: wrong number of arguments.\n"); + fprintf(stderr, "Usage: %s <xml-file> <cert-file1> [<cert-file2> [...]]\n", argv[0]); + return(1); + } + + /* Init libxml and libxslt libraries */ + xmlInitParser(); + LIBXML_TEST_VERSION + xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS; + xmlSubstituteEntitiesDefault(1); +#ifndef XMLSEC_NO_XSLT + xmlIndentTreeOutput = 1; +#endif /* XMLSEC_NO_XSLT */ + + /* Init libxslt */ +#ifndef XMLSEC_NO_XSLT + /* disable everything */ + xsltSecPrefs = xsltNewSecurityPrefs(); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_READ_FILE, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_WRITE_FILE, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_CREATE_DIRECTORY, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_READ_NETWORK, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_WRITE_NETWORK, xsltSecurityForbid); + xsltSetDefaultSecurityPrefs(xsltSecPrefs); +#endif /* XMLSEC_NO_XSLT */ + + /* Init xmlsec library */ + if(xmlSecInit() < 0) { + fprintf(stderr, "Error: xmlsec initialization failed.\n"); + return(-1); + } + + /* Check loaded library version */ + if(xmlSecCheckVersion() != 1) { + fprintf(stderr, "Error: loaded xmlsec library version is not compatible.\n"); + return(-1); + } + + /* Load default crypto engine if we are supporting dynamic + * loading for xmlsec-crypto libraries. Use the crypto library + * name ("openssl", "nss", etc.) to load corresponding + * xmlsec-crypto library. + */ +#ifdef XMLSEC_CRYPTO_DYNAMIC_LOADING + if(xmlSecCryptoDLLoadLibrary(BAD_CAST XMLSEC_CRYPTO) < 0) { + fprintf(stderr, "Error: unable to load default xmlsec-crypto library. Make sure\n" + "that you have it installed and check shared libraries path\n" + "(LD_LIBRARY_PATH) envornment variable.\n"); + return(-1); + } +#endif /* XMLSEC_CRYPTO_DYNAMIC_LOADING */ + + /* Init crypto library */ + if(xmlSecCryptoAppInit(NULL) < 0) { + fprintf(stderr, "Error: crypto initialization failed.\n"); + return(-1); + } + + /* Init xmlsec-crypto library */ + if(xmlSecCryptoInit() < 0) { + fprintf(stderr, "Error: xmlsec-crypto initialization failed.\n"); + return(-1); + } + + /* create keys manager and load trusted certificates */ + mngr = load_trusted_certs(&(argv[2]), argc - 2); + if(mngr == NULL) { + return(-1); + } + + /* verify file */ + if(verify_file(mngr, argv[1]) < 0) { + xmlSecKeysMngrDestroy(mngr); + return(-1); + } + + /* destroy keys manager */ + xmlSecKeysMngrDestroy(mngr); + + /* Shutdown xmlsec-crypto library */ + xmlSecCryptoShutdown(); + + /* Shutdown crypto library */ + xmlSecCryptoAppShutdown(); + + /* Shutdown xmlsec library */ + xmlSecShutdown(); + + /* Shutdown libxslt/libxml */ +#ifndef XMLSEC_NO_XSLT + xsltFreeSecurityPrefs(xsltSecPrefs); + xsltCleanupGlobals(); +#endif /* XMLSEC_NO_XSLT */ + xmlCleanupParser(); + + return(0); +} + +/** + * load_trusted_certs: + * @files: the list of filenames. + * @files_size: the number of filenames in #files. + * + * Creates simple keys manager and load trusted certificates from PEM #files. + * The caller is responsible for destroing returned keys manager using + * @xmlSecKeysMngrDestroy. + * + * Returns the pointer to newly created keys manager or NULL if an error + * occurs. + */ +xmlSecKeysMngrPtr +load_trusted_certs(char** files, int files_size) { + xmlSecKeysMngrPtr mngr; + int i; + + assert(files); + assert(files_size > 0); + + /* create and initialize keys manager, we use a simple list based + * keys manager, implement your own xmlSecKeysStore klass if you need + * something more sophisticated + */ + mngr = xmlSecKeysMngrCreate(); + if(mngr == NULL) { + fprintf(stderr, "Error: failed to create keys manager.\n"); + return(NULL); + } + if(xmlSecCryptoAppDefaultKeysMngrInit(mngr) < 0) { + fprintf(stderr, "Error: failed to initialize keys manager.\n"); + xmlSecKeysMngrDestroy(mngr); + return(NULL); + } + + for(i = 0; i < files_size; ++i) { + assert(files[i]); + + /* load trusted cert */ + if(xmlSecCryptoAppKeysMngrCertLoad(mngr, files[i], xmlSecKeyDataFormatPem, xmlSecKeyDataTypeTrusted) < 0) { + fprintf(stderr,"Error: failed to load pem certificate from \"%s\"\n", files[i]); + xmlSecKeysMngrDestroy(mngr); + return(NULL); + } + } + + return(mngr); +} + +/** + * verify_file: + * @mngr: the pointer to keys manager. + * @xml_file: the signed XML file name. + * + * Verifies XML signature in #xml_file. + * + * Returns 0 on success or a negative value if an error occurs. + */ +int +verify_file(xmlSecKeysMngrPtr mngr, const char* xml_file) { + xmlDocPtr doc = NULL; + xmlNodePtr node = NULL; + xmlSecDSigCtxPtr dsigCtx = NULL; + int res = -1; + + assert(mngr); + assert(xml_file); + + /* load file */ + doc = xmlParseFile(xml_file); + if ((doc == NULL) || (xmlDocGetRootElement(doc) == NULL)){ + fprintf(stderr, "Error: unable to parse file \"%s\"\n", xml_file); + goto done; + } + + /* find start node */ + node = xmlSecFindNode(xmlDocGetRootElement(doc), xmlSecNodeSignature, xmlSecDSigNs); + if(node == NULL) { + fprintf(stderr, "Error: start node not found in \"%s\"\n", xml_file); + goto done; + } + + /* create signature context */ + dsigCtx = xmlSecDSigCtxCreate(mngr); + if(dsigCtx == NULL) { + fprintf(stderr,"Error: failed to create signature context\n"); + goto done; + } + + /* limit the Reference URI attributes to empty or NULL */ + dsigCtx->enabledReferenceUris = xmlSecTransformUriTypeEmpty; + + /* limit allowed transforms for siganture and reference processing */ + if((xmlSecDSigCtxEnableSignatureTransform(dsigCtx, xmlSecTransformInclC14NId) < 0) || + (xmlSecDSigCtxEnableSignatureTransform(dsigCtx, xmlSecTransformExclC14NId) < 0) || + (xmlSecDSigCtxEnableSignatureTransform(dsigCtx, xmlSecTransformSha1Id) < 0) || + (xmlSecDSigCtxEnableSignatureTransform(dsigCtx, xmlSecTransformRsaSha1Id) < 0)) { + + fprintf(stderr,"Error: failed to limit allowed siganture transforms\n"); + goto done; + } + if((xmlSecDSigCtxEnableReferenceTransform(dsigCtx, xmlSecTransformInclC14NId) < 0) || + (xmlSecDSigCtxEnableReferenceTransform(dsigCtx, xmlSecTransformExclC14NId) < 0) || + (xmlSecDSigCtxEnableReferenceTransform(dsigCtx, xmlSecTransformSha1Id) < 0) || + (xmlSecDSigCtxEnableReferenceTransform(dsigCtx, xmlSecTransformEnvelopedId) < 0)) { + + fprintf(stderr,"Error: failed to limit allowed reference transforms\n"); + goto done; + } + + /* in addition, limit possible key data to valid X509 certificates only */ + if(xmlSecPtrListAdd(&(dsigCtx->keyInfoReadCtx.enabledKeyData), BAD_CAST xmlSecKeyDataX509Id) < 0) { + fprintf(stderr,"Error: failed to limit allowed key data\n"); + goto done; + } + + /* Verify signature */ + if(xmlSecDSigCtxVerify(dsigCtx, node) < 0) { + fprintf(stderr,"Error: signature verify\n"); + goto done; + } + + /* check that we have only one Reference */ + if((dsigCtx->status == xmlSecDSigStatusSucceeded) && + (xmlSecPtrListGetSize(&(dsigCtx->signedInfoReferences)) != 1)) { + + fprintf(stderr,"Error: only one reference is allowed\n"); + goto done; + } + + /* print verification result to stdout */ + if(dsigCtx->status == xmlSecDSigStatusSucceeded) { + fprintf(stdout, "Signature is OK\n"); + } else { + fprintf(stdout, "Signature is INVALID\n"); + } + + /* success */ + res = 0; + +done: + /* cleanup */ + if(dsigCtx != NULL) { + xmlSecDSigCtxDestroy(dsigCtx); + } + + if(doc != NULL) { + xmlFreeDoc(doc); + } + return(res); +} +
</pre> +<p></p> +</div> +</div> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-VERIFY4-TMPL">verify4-tmpl.xml</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN727"></a><pre class="PROGRAMLISTING"><?xml version="1.0" encoding="UTF-8"?> +<!-- +XML Security Library example: A simple SAML response template (verify4 example). + +Sign it using the following command (replace __ with double dashes): + + ../apps/xmlsec sign __privkey rsakey.pem,rsacert.pem __output verify4-res.xml verify4-tmpl.xml +--> +<Response xmlns="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" IssueInstant="2002-04-18T16:56:54Z" MajorVersion="1" MinorVersion="0" Recipient="https://shire.target.com" ResponseID="7ddc31-ed4a03d703-FB24AD27D96135B68C99FB9AACFE2FFC"> + <dsig:Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"> + <dsig:SignedInfo> + <dsig:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> + <dsig:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> + <dsig:Reference URI=""> + <dsig:Transforms> + <dsig:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> + </dsig:Transforms> + <dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> + <dsig:DigestValue/> + </dsig:Reference> + </dsig:SignedInfo> + <dsig:SignatureValue/> + <dsig:KeyInfo> + <dsig:X509Data/> + </dsig:KeyInfo> + </dsig:Signature> + <Status> + <StatusCode Value="samlp:Success"/> + </Status> + <Assertion xmlns="urn:oasis:names:tc:SAML:1.0:assertion" AssertionID="7ddc31-ed4a03d735-FB24AD27D96135B68C99FB9AACFE2FFC" IssueInstant="2002-04-18T16:56:54Z" Issuer="hs.osu.edu" MajorVersion="1" MinorVersion="0"> + <Conditions NotBefore="2002-04-18T16:56:54Z" NotOnOrAfter="2002-04-18T17:01:54Z"> + <AudienceRestrictionCondition> + <Audience>http://middleware.internet2.edu/shibboleth/clubs/clubshib/1.0/</Audience> + </AudienceRestrictionCondition> + </Conditions> + <AuthenticationStatement AuthenticationInstant="2002-04-18T16:56:53Z" AuthenticationMethod="urn:mace:shibboleth:authmethod"> + <Subject> + <NameIdentifier Format="urn:mace:shibboleth:1.0:handle" NameQualifier="osu.edu">foo</NameIdentifier> + <SubjectConfirmation> + <ConfirmationMethod>urn:oasis:names:tc:SAML:1.0:cm:Bearer</ConfirmationMethod> + </SubjectConfirmation> + </Subject> + <SubjectLocality IPAddress="127.0.0.1"/> + <AuthorityBinding AuthorityKind="samlp:AttributeQuery" Binding="urn:oasis:names:tc:SAML:1.0:bindings:SOAP-binding" Location="https://aa.osu.edu/"/> + </AuthenticationStatement> + </Assertion> +</Response></pre> +<p></p> +</div> +</div> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-VERIFY4-RES">verify4-res.xml</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN732"></a><pre class="PROGRAMLISTING"><?xml version="1.0" encoding="UTF-8"?> +<!-- +XML Security Library example: A simple SAML response template (verify4 example). + +This file was signed using the following command (replace __ with double dashes): + + ../apps/xmlsec sign __privkey rsakey.pem,rsacert.pem __output verify4-res.xml verify4-tmpl.xml +--> +<Response xmlns="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" IssueInstant="2002-04-18T16:56:54Z" MajorVersion="1" MinorVersion="0" Recipient="https://shire.target.com" ResponseID="7ddc31-ed4a03d703-FB24AD27D96135B68C99FB9AACFE2FFC"> + <dsig:Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"> + <dsig:SignedInfo> + <dsig:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> + <dsig:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> + <dsig:Reference URI=""> + <dsig:Transforms> + <dsig:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> + </dsig:Transforms> + <dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> + <dsig:DigestValue>t1nvDq1bZXEhBIXc/DHcqIrjRyI=</dsig:DigestValue> + </dsig:Reference> + </dsig:SignedInfo> + <dsig:SignatureValue>EsNm7mOj9XY6pq1bfeuzFd1F/LQwbc1K/YgOYgrElk4tr8BhSd5OcrzXBgsivPvm +HpjvSOBkjctGOFVE7x+6+G8TMudTja1IchEmGMh+pjMBlGNpvxSTedwtnoZBGWAz +RlfRhRFThskup0T7Or+VBHYygPGM3gmwX0ZWVYpNzM/rfYSk7+obgIp9DxLDIXlW +oLrJGVivubE+T63CPfBPaUIv1CbfBAzdo+11+8CiVsdWn2qwtGe5Fsmc3eCg06Oj +sl1nyCIu3AONq1w8jIPOgmITF8PpwDm0+XoQUH0P4kHJqNLphnJZY+GlPAC6VlAW +2bcAFr4Ul5yzHUBpxCDZfg==</dsig:SignatureValue> + <dsig:KeyInfo> + <dsig:X509Data> +<X509Certificate xmlns="http://www.w3.org/2000/09/xmldsig#">MIIE3zCCBEigAwIBAgIBBTANBgkqhkiG9w0BAQQFADCByzELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExEjAQBgNVBAcTCVN1bm55dmFsZTE9MDsGA1UE +ChM0WE1MIFNlY3VyaXR5IExpYnJhcnkgKGh0dHA6Ly93d3cuYWxla3NleS5jb20v +eG1sc2VjKTEZMBcGA1UECxMQUm9vdCBDZXJ0aWZpY2F0ZTEWMBQGA1UEAxMNQWxl +a3NleSBTYW5pbjEhMB8GCSqGSIb3DQEJARYSeG1sc2VjQGFsZWtzZXkuY29tMB4X +DTAzMDMzMTA0MDIyMloXDTEzMDMyODA0MDIyMlowgb8xCzAJBgNVBAYTAlVTMRMw +EQYDVQQIEwpDYWxpZm9ybmlhMT0wOwYDVQQKEzRYTUwgU2VjdXJpdHkgTGlicmFy +eSAoaHR0cDovL3d3dy5hbGVrc2V5LmNvbS94bWxzZWMpMSEwHwYDVQQLExhFeGFt +cGxlcyBSU0EgQ2VydGlmaWNhdGUxFjAUBgNVBAMTDUFsZWtzZXkgU2FuaW4xITAf +BgkqhkiG9w0BCQEWEnhtbHNlY0BhbGVrc2V5LmNvbTCCASIwDQYJKoZIhvcNAQEB +BQADggEPADCCAQoCggEBAJe4/rQ/gzV4FokE7CthjL/EXwCBSkXm2c3p4jyXO0Wt +quaNC3dxBwFPfPl94hmq3ZFZ9PHPPbp4RpYRnLZbRjlzVSOq954AXOXpSew7nD+E +mTqQrd9+ZIbGJnLOMQh5fhMVuOW/1lYCjWAhTCcYZPv7VXD2M70vVXDVXn6ZrqTg +qkVHE6gw1aCKncwg7OSOUclUxX8+Zi10v6N6+PPslFc5tKwAdWJhVLTQ4FKG+F53 +7FBDnNK6p4xiWryy/vPMYn4jYGvHUUk3eH4lFTCr+rSuJY8i/KNIf/IKim7g/o3w +Ae3GM8xrof2mgO8GjK/2QDqOQhQgYRIf4/wFsQXVZcMCAwEAAaOCAVcwggFTMAkG +A1UdEwQCMAAwLAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJhdGVkIENlcnRp +ZmljYXRlMB0GA1UdDgQWBBQkhCzy1FkgYosuXIaQo6owuicanDCB+AYDVR0jBIHw +MIHtgBS0ue+a5pcOaGUemM76VQ2JBttMfKGB0aSBzjCByzELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExEjAQBgNVBAcTCVN1bm55dmFsZTE9MDsGA1UE +ChM0WE1MIFNlY3VyaXR5IExpYnJhcnkgKGh0dHA6Ly93d3cuYWxla3NleS5jb20v +eG1sc2VjKTEZMBcGA1UECxMQUm9vdCBDZXJ0aWZpY2F0ZTEWMBQGA1UEAxMNQWxl +a3NleSBTYW5pbjEhMB8GCSqGSIb3DQEJARYSeG1sc2VjQGFsZWtzZXkuY29tggEA +MA0GCSqGSIb3DQEBBAUAA4GBALU/mzIxSv8vhDuomxFcplzwdlLZbvSQrfoNkMGY +1UoS3YJrN+jZLWKSyWE3mIaPpElqXiXQGGkwD5iPQ1iJMbI7BeLvx6ZxX/f+c8Wn +ss0uc1NxfahMaBoyG15IL4+beqO182fosaKJTrJNG3mc//ANGU9OsQM9mfBEt4oL +NJ2D</X509Certificate> +</dsig:X509Data> + </dsig:KeyInfo> + </dsig:Signature> + <Status> + <StatusCode Value="samlp:Success"/> + </Status> + <Assertion xmlns="urn:oasis:names:tc:SAML:1.0:assertion" AssertionID="7ddc31-ed4a03d735-FB24AD27D96135B68C99FB9AACFE2FFC" IssueInstant="2002-04-18T16:56:54Z" Issuer="hs.osu.edu" MajorVersion="1" MinorVersion="0"> + <Conditions NotBefore="2002-04-18T16:56:54Z" NotOnOrAfter="2002-04-18T17:01:54Z"> + <AudienceRestrictionCondition> + <Audience>http://middleware.internet2.edu/shibboleth/clubs/clubshib/1.0/</Audience> + </AudienceRestrictionCondition> + </Conditions> + <AuthenticationStatement AuthenticationInstant="2002-04-18T16:56:53Z" AuthenticationMethod="urn:mace:shibboleth:authmethod"> + <Subject> + <NameIdentifier Format="urn:mace:shibboleth:1.0:handle" NameQualifier="osu.edu">foo</NameIdentifier> + <SubjectConfirmation> + <ConfirmationMethod>urn:oasis:names:tc:SAML:1.0:cm:Bearer</ConfirmationMethod> + </SubjectConfirmation> + </Subject> + <SubjectLocality IPAddress="127.0.0.1"/> + <AuthorityBinding AuthorityKind="samlp:AttributeQuery" Binding="urn:oasis:names:tc:SAML:1.0:bindings:SOAP-binding" Location="https://aa.osu.edu/"/> + </AuthenticationStatement> + </Assertion> +</Response></pre> +<p></p> +</div> +</div> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-VERIFY4-BAD-TMPL">verify4-bad-tmpl.xml</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN737"></a><pre class="PROGRAMLISTING"><?xml version="1.0" encoding="UTF-8"?> +<!-- +XML Security Library example: A simple bad SAML response template (verify4 example). + +Sign it using the following command (replace __ with double dashes): + + ../apps/xmlsec sign __privkey rsakey.pem,rsacert.pem __output verify4--bad-res.xml verify4-bad-tmpl.xml +--> +<Response xmlns="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" IssueInstant="2002-04-18T16:56:54Z" MajorVersion="1" MinorVersion="0" Recipient="https://shire.target.com" ResponseID="7ddc31-ed4a03d703-FB24AD27D96135B68C99FB9AACFE2FFC"> + <dsig:Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"> + <dsig:SignedInfo> + <dsig:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> + <dsig:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> + <dsig:Reference URI=""> + <dsig:Transforms> + <dsig:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> + <dsig:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> + <dsig:XPath xmlns:samlp_xpath="urn:oasis:names:tc:SAML:1.0:protocol" > + count(ancestor-or-self::samlp_xpath:Response | + here()/ancestor::samlp_xpath:Response[1]) = + count(ancestor-or-self::samlp_xpath:Response) + </dsig:XPath> + </dsig:Transform> + </dsig:Transforms> + <dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> + <dsig:DigestValue/> + </dsig:Reference> + </dsig:SignedInfo> + <dsig:SignatureValue/> + <dsig:KeyInfo> + <dsig:X509Data/> + </dsig:KeyInfo> + </dsig:Signature> + <Status> + <StatusCode Value="samlp:Success"/> + </Status> + <Assertion xmlns="urn:oasis:names:tc:SAML:1.0:assertion" AssertionID="7ddc31-ed4a03d735-FB24AD27D96135B68C99FB9AACFE2FFC" IssueInstant="2002-04-18T16:56:54Z" Issuer="hs.osu.edu" MajorVersion="1" MinorVersion="0"> + <Conditions NotBefore="2002-04-18T16:56:54Z" NotOnOrAfter="2002-04-18T17:01:54Z"> + <AudienceRestrictionCondition> + <Audience>http://middleware.internet2.edu/shibboleth/clubs/clubshib/1.0/</Audience> + </AudienceRestrictionCondition> + </Conditions> + <AuthenticationStatement AuthenticationInstant="2002-04-18T16:56:53Z" AuthenticationMethod="urn:mace:shibboleth:authmethod"> + <Subject> + <NameIdentifier Format="urn:mace:shibboleth:1.0:handle" NameQualifier="osu.edu">foo</NameIdentifier> + <SubjectConfirmation> + <ConfirmationMethod>urn:oasis:names:tc:SAML:1.0:cm:Bearer</ConfirmationMethod> + </SubjectConfirmation> + </Subject> + <SubjectLocality IPAddress="127.0.0.1"/> + <AuthorityBinding AuthorityKind="samlp:AttributeQuery" Binding="urn:oasis:names:tc:SAML:1.0:bindings:SOAP-binding" Location="https://aa.osu.edu/"/> + </AuthenticationStatement> + </Assertion> +</Response></pre> +<p></p> +</div> +</div> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-VERIFY4-BAD-RES">verify4-bad-res.xml</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN742"></a><pre class="PROGRAMLISTING"><?xml version="1.0" encoding="UTF-8"?> +<!-- +XML Security Library example: A simple bad SAML response (verify4 example). + +This file could be verified with verify3 example (signature is valid) +but verify4 example fails because of XPath transform which is not allowed +in a simple SAML response. + +This file was created from a template with the following command (replace __ with double dashes): + ../apps/xmlsec sign __privkey rsakey.pem,rsacert.pem __output verify4-bad-res.xml verify4-bad-tmpl.xml +--> +<Response xmlns="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" IssueInstant="2002-04-18T16:56:54Z" MajorVersion="1" MinorVersion="0" Recipient="https://shire.target.com" ResponseID="7ddc31-ed4a03d703-FB24AD27D96135B68C99FB9AACFE2FFC"> + <dsig:Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"> + <dsig:SignedInfo> + <dsig:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> + <dsig:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> + <dsig:Reference URI=""> + <dsig:Transforms> + <dsig:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> + <dsig:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> + <dsig:XPath xmlns:samlp_xpath="urn:oasis:names:tc:SAML:1.0:protocol"> + count(ancestor-or-self::samlp_xpath:Response | + here()/ancestor::samlp_xpath:Response[1]) = + count(ancestor-or-self::samlp_xpath:Response) + </dsig:XPath> + </dsig:Transform> + </dsig:Transforms> + <dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> + <dsig:DigestValue>t1nvDq1bZXEhBIXc/DHcqIrjRyI=</dsig:DigestValue> + </dsig:Reference> + </dsig:SignedInfo> + <dsig:SignatureValue>PipZFFmmYcSnSU9p5AcOmFbRYoeatERYPy4IRk+jU26xk9sAM6yfhXtbK8csl/0w +rjODj1jGcydBGP9I8kFAfHyZ+Ls+A+53oMNl+tGWfe8iICMowIU1HCxJtPrgbTKk +1gc+VnYJ3IXhoVneeQKqzilXwA5X7FW7hgIecb5KwLShYV3iO8+z8pzt3NEGKAGQ +p/lQmO3EQR4Zu0bCSOk6zXdlOhe5dPVFXJQLlE8Zz3WjGQNo0l4op0ZXKf1B+syH +blHx0tnPQDtSBzQdKohJV39UgkGnL3rd5ggBzyXemjMTX8eFxNZ7bh4UgZ+Wo74W +Zb4ompTc2ImxJfbpszWp8w==</dsig:SignatureValue> + <dsig:KeyInfo> + <dsig:X509Data> +<X509Certificate xmlns="http://www.w3.org/2000/09/xmldsig#">MIIE3zCCBEigAwIBAgIBBTANBgkqhkiG9w0BAQQFADCByzELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExEjAQBgNVBAcTCVN1bm55dmFsZTE9MDsGA1UE +ChM0WE1MIFNlY3VyaXR5IExpYnJhcnkgKGh0dHA6Ly93d3cuYWxla3NleS5jb20v +eG1sc2VjKTEZMBcGA1UECxMQUm9vdCBDZXJ0aWZpY2F0ZTEWMBQGA1UEAxMNQWxl +a3NleSBTYW5pbjEhMB8GCSqGSIb3DQEJARYSeG1sc2VjQGFsZWtzZXkuY29tMB4X +DTAzMDMzMTA0MDIyMloXDTEzMDMyODA0MDIyMlowgb8xCzAJBgNVBAYTAlVTMRMw +EQYDVQQIEwpDYWxpZm9ybmlhMT0wOwYDVQQKEzRYTUwgU2VjdXJpdHkgTGlicmFy +eSAoaHR0cDovL3d3dy5hbGVrc2V5LmNvbS94bWxzZWMpMSEwHwYDVQQLExhFeGFt +cGxlcyBSU0EgQ2VydGlmaWNhdGUxFjAUBgNVBAMTDUFsZWtzZXkgU2FuaW4xITAf +BgkqhkiG9w0BCQEWEnhtbHNlY0BhbGVrc2V5LmNvbTCCASIwDQYJKoZIhvcNAQEB +BQADggEPADCCAQoCggEBAJe4/rQ/gzV4FokE7CthjL/EXwCBSkXm2c3p4jyXO0Wt +quaNC3dxBwFPfPl94hmq3ZFZ9PHPPbp4RpYRnLZbRjlzVSOq954AXOXpSew7nD+E +mTqQrd9+ZIbGJnLOMQh5fhMVuOW/1lYCjWAhTCcYZPv7VXD2M70vVXDVXn6ZrqTg +qkVHE6gw1aCKncwg7OSOUclUxX8+Zi10v6N6+PPslFc5tKwAdWJhVLTQ4FKG+F53 +7FBDnNK6p4xiWryy/vPMYn4jYGvHUUk3eH4lFTCr+rSuJY8i/KNIf/IKim7g/o3w +Ae3GM8xrof2mgO8GjK/2QDqOQhQgYRIf4/wFsQXVZcMCAwEAAaOCAVcwggFTMAkG +A1UdEwQCMAAwLAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJhdGVkIENlcnRp +ZmljYXRlMB0GA1UdDgQWBBQkhCzy1FkgYosuXIaQo6owuicanDCB+AYDVR0jBIHw +MIHtgBS0ue+a5pcOaGUemM76VQ2JBttMfKGB0aSBzjCByzELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExEjAQBgNVBAcTCVN1bm55dmFsZTE9MDsGA1UE +ChM0WE1MIFNlY3VyaXR5IExpYnJhcnkgKGh0dHA6Ly93d3cuYWxla3NleS5jb20v +eG1sc2VjKTEZMBcGA1UECxMQUm9vdCBDZXJ0aWZpY2F0ZTEWMBQGA1UEAxMNQWxl +a3NleSBTYW5pbjEhMB8GCSqGSIb3DQEJARYSeG1sc2VjQGFsZWtzZXkuY29tggEA +MA0GCSqGSIb3DQEBBAUAA4GBALU/mzIxSv8vhDuomxFcplzwdlLZbvSQrfoNkMGY +1UoS3YJrN+jZLWKSyWE3mIaPpElqXiXQGGkwD5iPQ1iJMbI7BeLvx6ZxX/f+c8Wn +ss0uc1NxfahMaBoyG15IL4+beqO182fosaKJTrJNG3mc//ANGU9OsQM9mfBEt4oL +NJ2D</X509Certificate> +</dsig:X509Data> + </dsig:KeyInfo> + </dsig:Signature> + <Status> + <StatusCode Value="samlp:Success"/> + </Status> + <Assertion xmlns="urn:oasis:names:tc:SAML:1.0:assertion" AssertionID="7ddc31-ed4a03d735-FB24AD27D96135B68C99FB9AACFE2FFC" IssueInstant="2002-04-18T16:56:54Z" Issuer="hs.osu.edu" MajorVersion="1" MinorVersion="0"> + <Conditions NotBefore="2002-04-18T16:56:54Z" NotOnOrAfter="2002-04-18T17:01:54Z"> + <AudienceRestrictionCondition> + <Audience>http://middleware.internet2.edu/shibboleth/clubs/clubshib/1.0/</Audience> + </AudienceRestrictionCondition> + </Conditions> + <AuthenticationStatement AuthenticationInstant="2002-04-18T16:56:53Z" AuthenticationMethod="urn:mace:shibboleth:authmethod"> + <Subject> + <NameIdentifier Format="urn:mace:shibboleth:1.0:handle" NameQualifier="osu.edu">foo</NameIdentifier> + <SubjectConfirmation> + <ConfirmationMethod>urn:oasis:names:tc:SAML:1.0:cm:Bearer</ConfirmationMethod> + </SubjectConfirmation> + </Subject> + <SubjectLocality IPAddress="127.0.0.1"/> + <AuthorityBinding AuthorityKind="samlp:AttributeQuery" Binding="urn:oasis:names:tc:SAML:1.0:bindings:SOAP-binding" Location="https://aa.osu.edu/"/> + </AuthenticationStatement> + </Assertion> +</Response></pre> +<p></p> +</div> +</div> +</div> +<table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="2"><tr valign="middle"> +<td align="left"><a accesskey="p" href="xmlsec-verify-with-x509.html"><b><<< Verifying a signature with X509 certificates.</b></a></td> +<td align="right"><a accesskey="n" href="xmlsec-encrypt-template-file.html"><b>Encrypting data with a template file. >>></b></a></td> +</tr></table> +</td></tr></table></td> +</tr></table></body> +</html> |