(Objective-C) Create XAdES with ec:InclusiveNamespaces within the Transforms

Demonstrates how to generate XAdES that has a Reference that has Transforms that include an ec:InclusiveNamespaces.

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#import <CkoXml.h>
#import <CkoXmlDSigGen.h>
#import <CkoCert.h>
#import <CkoStringBuilder.h>
#import <CkoXmlDSig.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This is the XML we'll be signing:

// <soapenv:Envelope xmlns:obs="http://csioz.gov.pl/zsmopl/ws/obslugakomunikatow/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
// 	<soapenv:Header>
// 		<wsse:Security 
// 		    xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
// 		    xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" soapenv:mustUnderstand="1">
// 			<wsse:BinarySecurityToken
// 				EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary"
// 				ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509PKIPathv1"
// 				wsu:Id="X509-02BF0107214FC61449FD0013DF68F0359">MII...</wsse:BinarySecurityToken>
// 		</wsse:Security>
// 	</soapenv:Header>
// 	<soapenv:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" 
// 		wsu:Id="id-396BB6026342EB5C0E1EA73593B3CC098">
// 		<obs:zapiszKomunikatOS>
// 			<komunikatOS>
// 				<idPodmiotuRaportujacego>
// 					<idBiznesowy>000000011986</idBiznesowy>
// 					<rodzajPodmiotuRaportujacego>PA</rodzajPodmiotuRaportujacego>
// 				</idPodmiotuRaportujacego>
// 			</komunikatOS>
// 		</obs:zapiszKomunikatOS>
// 	</soapenv:Body>
// </soapenv:Envelope>
// 

// ----------------------------------------------------------------------
// IMPORTANT: This generated example requires Chilkat v9.5.0.77 or later.
// ----------------------------------------------------------------------
BOOL success = YES;
// Create the above XML to be signed...
CkoXml *xmlToSign = [[CkoXml alloc] init];
xmlToSign.Tag = @"soapenv:Envelope";
[xmlToSign AddAttribute: @"xmlns:obs" value: @"http://csioz.gov.pl/zsmopl/ws/obslugakomunikatow/"];
[xmlToSign AddAttribute: @"xmlns:soapenv" value: @"http://schemas.xmlsoap.org/soap/envelope/"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security" autoCreate: YES attrName: @"xmlns:wsse" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security" autoCreate: YES attrName: @"xmlns:wsu" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security" autoCreate: YES attrName: @"soapenv:mustUnderstand" attrValue: @"1"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security|wsse:BinarySecurityToken" autoCreate: YES attrName: @"EncodingType" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security|wsse:BinarySecurityToken" autoCreate: YES attrName: @"ValueType" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509PKIPathv1"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security|wsse:BinarySecurityToken" autoCreate: YES attrName: @"wsu:Id" attrValue: @"X509-02BF0107214FC61449FD0013DF68F0359"];
// Note: The content of this XML node is a placeholder that will be updated below with the X509PKIPathv1 for the signing certificate.
[xmlToSign UpdateChildContent: @"soapenv:Header|wsse:Security|wsse:BinarySecurityToken" value: @"BinarySecurityToken_Base64Binary_Content"];
[xmlToSign UpdateAttrAt: @"soapenv:Body" autoCreate: YES attrName: @"xmlns:wsu" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"];
[xmlToSign UpdateAttrAt: @"soapenv:Body" autoCreate: YES attrName: @"wsu:Id" attrValue: @"id-396BB6026342EB5C0E1EA73593B3CC098"];
[xmlToSign UpdateChildContent: @"soapenv:Body|obs:zapiszKomunikatOS|komunikatOS|idPodmiotuRaportujacego|idBiznesowy" value: @"000000011986"];
[xmlToSign UpdateChildContent: @"soapenv:Body|obs:zapiszKomunikatOS|komunikatOS|idPodmiotuRaportujacego|rodzajPodmiotuRaportujacego" value: @"PA"];

CkoXmlDSigGen *gen = [[CkoXmlDSigGen alloc] init];

gen.SigLocation = @"soapenv:Envelope|soapenv:Header|wsse:Security";
gen.SigLocationMod = [NSNumber numberWithInt:0];
gen.SigId = @"SIG-BB965DFC3C8AAF87903C0ED898B8D2A8D";
gen.SigNamespacePrefix = @"ds";
gen.SigNamespaceUri = @"http://www.w3.org/2000/09/xmldsig#";
gen.SignedInfoCanonAlg = @"EXCL_C14N";
gen.SignedInfoDigestMethod = @"sha1";

// Set the KeyInfoId before adding references..
gen.KeyInfoId = @"KI-9D95C38916099AD2EE87DDAC1A76E97E4";

// -------- Reference 1 --------
[gen AddSameDocRef: @"id-396BB6026342EB5C0E1EA73593B3CC098" digestMethod: @"sha1" canonMethod: @"EXCL_C14N" prefixList: @"obs" refType: @""];

// The reference to be produced in the Signature should look like this:

// <ds:Reference URI="#id-396BB6026342EB5C0E1EA73593B3CC098">
//     <ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
//         <ec:InclusiveNamespaces xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="obs"></ec:InclusiveNamespaces>
//     </ds:Transform></ds:Transforms>
//     <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"></ds:DigestMethod>
//     <ds:DigestValue>2e9hZYj/CN2nPsgQqUraU43k3ds=</ds:DigestValue>
// </ds:Reference>
// 

// Provide a certificate + private key. (PFX password is test123)
CkoCert *cert = [[CkoCert alloc] init];
success = [cert LoadPfxFile: @"qa_data/pfx/cert_test123.pfx" password: @"test123"];
if (success != YES) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

[gen SetX509Cert: cert usePrivateKey: YES];

gen.KeyInfoType = @"Custom";

// Create the custom KeyInfo XML..
CkoXml *xmlCustomKeyInfo = [[CkoXml alloc] init];
xmlCustomKeyInfo.Tag = @"wsse:SecurityTokenReference";
[xmlCustomKeyInfo AddAttribute: @"wsse11:TokenType" value: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509PKIPathv1"];
[xmlCustomKeyInfo AddAttribute: @"xmlns:wsse11" value: @"http://docs.oasis-open.org/wss/oasis-wss-wssecurity-secext-1.1.xsd"];
[xmlCustomKeyInfo AddAttribute: @"wsu:Id" value: @"STR-FF238E7C061332C5B19752C2FBC8CDEF2"];
[xmlCustomKeyInfo UpdateAttrAt: @"wsse:Reference" autoCreate: YES attrName: @"URI" attrValue: @"#X509-02BF0107214FC61449FD0013DF68F0359"];
[xmlCustomKeyInfo UpdateAttrAt: @"wsse:Reference" autoCreate: YES attrName: @"ValueType" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509PKIPathv1"];

xmlCustomKeyInfo.EmitXmlDecl = NO;
gen.CustomKeyInfoXml = [xmlCustomKeyInfo GetXml];

// Load XML to be signed...
CkoStringBuilder *sbXml = [[CkoStringBuilder alloc] init];
[xmlToSign GetXmlSb: sbXml];

// Update BinarySecurityToken_Base64Binary_Content with the actual X509PKIPathv1 of the signing cert.
int nReplaced = [[sbXml Replace: @"BinarySecurityToken_Base64Binary_Content" replacement: [cert X509PKIPathv1]] intValue];

gen.Behaviors = @"IndentedSignature";

// Sign the XML...
success = [gen CreateXmlDSigSb: sbXml];
if (success != YES) {
    NSLog(@"%@",gen.LastErrorText);
    return;
}

// -----------------------------------------------

// Save the signed XML to a file.
success = [sbXml WriteFile: @"qa_output/signedXml.xml" charset: @"utf-8" emitBom: NO];

NSLog(@"%@",[sbXml GetAsString]);

// ----------------------------------------
// Verify the signatures we just produced...
CkoXmlDSig *verifier = [[CkoXmlDSig alloc] init];
success = [verifier LoadSignatureSb: sbXml];
if (success != YES) {
    NSLog(@"%@",verifier.LastErrorText);
    return;
}

int numSigs = [verifier.NumSignatures intValue];
int verifyIdx = 0;
while (verifyIdx < numSigs) {
    verifier.Selector = [NSNumber numberWithInt: verifyIdx];
    BOOL verified = [verifier VerifySignature: YES];
    if (verified != YES) {
        NSLog(@"%@",verifier.LastErrorText);
        return;
    }

    verifyIdx = verifyIdx + 1;
}

NSLog(@"%@",@"All signatures were successfully verified.");