XAdES external signing using client privateKey

Question

I'm trying to digitally sign XML document using client-server signing. The certificate is in a Workstation, I'm using a C# desktop app to read the certificates and do the signing with the private key.

The server generates digest of XML and sends the digest to client, the client signs the digest/hash with client`s private key and sends it to server then the server merges the signed hash with the XML file to get the signed XML.

I have a REST service with two endpoints one to getDataToSign and the other one to generate and add the signature value to document.

The signed file is generated successfully then when I try to validate the signature seems to be that is incorrect, I got the following message:

Qualification: N/A
Qualification Details : Unable to build a certificate chain up to a trusted list!
The signature/seal is not a valid AdES digital signature!
Signature format: XAdES-BASELINE-B
Indication: TOTAL_FAILED 
Sub indication: HASH_FAILURE
AdES Validation Details : The reference data object is not intact!

//SERVER SIDE
1. getDataToSign

// Initialize the rest client
RestDocumentSignatureService restClient = new RestDocumentSignatureServiceImpl();

// Initialize parameters
RemoteSignatureParameters parameters = new RemoteSignatureParameters();
parameters.setSignatureLevel(SignatureLevel.XAdES_BASELINE_B);
parameters.setSignaturePackaging(SignaturePackaging.ENVELOPING);
parameters.setDigestAlgorithm(DigestAlgorithm.SHA256);
parameters.getBLevelParams().setSigningDate(new Date());
parameters.setGenerateTBSWithoutCertificate(true);

@PostMapping("/getDataToSign")
ResponseEntity<?> getDataToSign(@RequestBody DataToSignOneDocumentDTO dataToSignDTO) {
    
// Add parameters
dataToSignDTO.setParameters(parameters);

// Compute the digest to be signed
ToBeSignedDTO dataToSign = restClient.getDataToSign(dataToSignDTO);
    
return ResponseEntity.ok().body(dataToSign);
}

// CLIENT SIDE
2. Get the signature value for signed information using the private key and specified algorithm

// Using C# desktop app to read workstation certificates

public byte[] SignData(byte[] dataToSign, X509Certificate2 certificate)
{  
    using (RSA rsa = certificate.GetRSAPrivateKey())
    {
        signatureValue = rsa.SignData(dataToSign, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
        return signatureValue;
    }
}

// SERVER SIDE
3. POST /signDocument
   ResponseEntity<?> signDocument(@RequestBody SignOneDocumentDTO signDocument)
    // Add parameters
    dataToSignDTO.setParameters(parameters);
    
    // Add the signature value to the document
    RemoteDocument signedDocument = restClient.signDocument(signDocument);

First request:

curl --location --request POST 'http://localhost:8080/getDataToSign' \
--header 'Content-Type: application/json' \
--data-raw '{
  "toSignDocument" : {
    "bytes" : "PD94bWwgdmVyc2lvbj0iMS4wIj8+DQo8Y2F0YWxvZz4NCiAgIDxib29rIGlkPSJiazEwMSI+DQogICAgICA8YXV0aG9yPkdhbWJhcmRlbGxhLCBNYXR0aGV3PC9hdXRob3I+DQogICAgICA8dGl0bGU+WE1MIERldmVsb3BlcidzIEd1aWRlPC90aXRsZT4NCiAgICAgIDxnZW5yZT5Db21wdXRlcjwvZ2VucmU+DQogICAgICA8cHJpY2U+NDQuOTU8L3ByaWNlPg0KICAgICAgPHB1Ymxpc2hfZGF0ZT4yMDAwLTEwLTAxPC9wdWJsaXNoX2RhdGU+DQogICAgICA8ZGVzY3JpcHRpb24+QW4gaW4tZGVwdGggbG9vayBhdCBjcmVhdGluZyBhcHBsaWNhdGlvbnMgDQogICAgICB3aXRoIFhNTC48L2Rlc2NyaXB0aW9uPg0KICAgPC9ib29rPg0KICAgPGJvb2sgaWQ9ImJrMTAyIj4NCiAgICAgIDxhdXRob3I+UmFsbHMsIEtpbTwvYXV0aG9yPg0KICAgICAgPHRpdGxlPk1pZG5pZ2h0IFJhaW48L3RpdGxlPg0KICAgICAgPGdlbnJlPkZhbnRhc3k8L2dlbnJlPg0KICAgICAgPHByaWNlPjUuOTU8L3ByaWNlPg0KICAgICAgPHB1Ymxpc2hfZGF0ZT4yMDAwLTEyLTE2PC9wdWJsaXNoX2RhdGU+DQogICAgICA8ZGVzY3JpcHRpb24+QSBmb3JtZXIgYXJjaGl0ZWN0IGJhdHRsZXMgY29ycG9yYXRlIHpvbWJpZXMsIA0KICAgICAgYW4gZXZpbCBzb3JjZXJlc3MsIGFuZCBoZXIgb3duIGNoaWxkaG9vZCB0byBiZWNvbWUgcXVlZW4gDQogICAgICBvZiB0aGUgd29ybGQuPC9kZXNjcmlwdGlvbj4NCiAgIDwvYm9vaz4NCiAgIDxib29rIGlkPSJiazEwMyI+DQogICAgICA8YXV0aG9yPkNvcmV0cywgRXZhPC9hdXRob3I+DQogICAgICA8dGl0bGU+TWFldmUgQXNjZW5kYW50PC90aXRsZT4NCiAgICAgIDxnZW5yZT5GYW50YXN5PC9nZW5yZT4NCiAgICAgIDxwcmljZT41Ljk1PC9wcmljZT4NCiAgICAgIDxwdWJsaXNoX2RhdGU+MjAwMC0xMS0xNzwvcHVibGlzaF9kYXRlPg0KICAgICAgPGRlc2NyaXB0aW9uPkFmdGVyIHRoZSBjb2xsYXBzZSBvZiBhIG5hbm90ZWNobm9sb2d5IA0KICAgICAgc29jaWV0eSBpbiBFbmdsYW5kLCB0aGUgeW91bmcgc3Vydml2b3JzIGxheSB0aGUgDQogICAgICBmb3VuZGF0aW9uIGZvciBhIG5ldyBzb2NpZXR5LjwvZGVzY3JpcHRpb24+DQogICA8L2Jvb2s+DQogICA8Ym9vayBpZD0iYmsxMDQiPg0KICAgICAgPGF1dGhvcj5Db3JldHMsIEV2YTwvYXV0aG9yPg0KICAgICAgPHRpdGxlPk9iZXJvbidzIExlZ2FjeTwvdGl0bGU+DQogICAgICA8Z2VucmU+RmFudGFzeTwvZ2VucmU+DQogICAgICA8cHJpY2U+NS45NTwvcHJpY2U+DQogICAgICA8cHVibGlzaF9kYXRlPjIwMDEtMDMtMTA8L3B1Ymxpc2hfZGF0ZT4NCiAgICAgIDxkZXNjcmlwdGlvbj5JbiBwb3N0LWFwb2NhbHlwc2UgRW5nbGFuZCwgdGhlIG15c3RlcmlvdXMgDQogICAgICBhZ2VudCBrbm93biBvbmx5IGFzIE9iZXJvbiBoZWxwcyB0byBjcmVhdGUgYSBuZXcgbGlmZSANCiAgICAgIGZvciB0aGUgaW5oYWJpdGFudHMgb2YgTG9uZG9uLiBTZXF1ZWwgdG8gTWFldmUgDQogICAgICBBc2NlbmRhbnQuPC9kZXNjcmlwdGlvbj4NCiAgIDwvYm9vaz4NCiAgIDxib29rIGlkPSJiazEwNSI+DQogICAgICA8YXV0aG9yPkNvcmV0cywgRXZhPC9hdXRob3I+DQogICAgICA8dGl0bGU+VGhlIFN1bmRlcmVkIEdyYWlsPC90aXRsZT4NCiAgICAgIDxnZW5yZT5GYW50YXN5PC9nZW5yZT4NCiAgICAgIDxwcmljZT41Ljk1PC9wcmljZT4NCiAgICAgIDxwdWJsaXNoX2RhdGU+MjAwMS0wOS0xMDwvcHVibGlzaF9kYXRlPg0KICAgICAgPGRlc2NyaXB0aW9uPlRoZSB0d28gZGF1Z2h0ZXJzIG9mIE1hZXZlLCBoYWxmLXNpc3RlcnMsIA0KICAgICAgYmF0dGxlIG9uZSBhbm90aGVyIGZvciBjb250cm9sIG9mIEVuZ2xhbmQuIFNlcXVlbCB0byANCiAgICAgIE9iZXJvbidzIExlZ2FjeS48L2Rlc2NyaXB0aW9uPg0KICAgPC9ib29rPg0KICAgPGJvb2sgaWQ9ImJrMTA2Ij4NCiAgICAgIDxhdXRob3I+UmFuZGFsbCwgQ3ludGhpYTwvYXV0aG9yPg0KICAgICAgPHRpdGxlPkxvdmVyIEJpcmRzPC90aXRsZT4NCiAgICAgIDxnZW5yZT5Sb21hbmNlPC9nZW5yZT4NCiAgICAgIDxwcmljZT40Ljk1PC9wcmljZT4NCiAgICAgIDxwdWJsaXNoX2RhdGU+MjAwMC0wOS0wMjwvcHVibGlzaF9kYXRlPg0KICAgICAgPGRlc2NyaXB0aW9uPldoZW4gQ2FybGEgbWVldHMgUGF1bCBhdCBhbiBvcm5pdGhvbG9neSANCiAgICAgIGNvbmZlcmVuY2UsIHRlbXBlcnMgZmx5IGFzIGZlYXRoZXJzIGdldCBydWZmbGVkLjwvZGVzY3JpcHRpb24+DQogICA8L2Jvb2s+DQogICA8Ym9vayBpZD0iYmsxMDciPg0KICAgICAgPGF1dGhvcj5UaHVybWFuLCBQYXVsYTwvYXV0aG9yPg0KICAgICAgPHRpdGxlPlNwbGlzaCBTcGxhc2g8L3RpdGxlPg0KICAgICAgPGdlbnJlPlJvbWFuY2U8L2dlbnJlPg0KICAgICAgPHByaWNlPjQuOTU8L3ByaWNlPg0KICAgICAgPHB1Ymxpc2hfZGF0ZT4yMDAwLTExLTAyPC9wdWJsaXNoX2RhdGU+DQogICAgICA8ZGVzY3JpcHRpb24+QSBkZWVwIHNlYSBkaXZlciBmaW5kcyB0cnVlIGxvdmUgdHdlbnR5IA0KICAgICAgdGhvdXNhbmQgbGVhZ3VlcyBiZW5lYXRoIHRoZSBzZWEuPC9kZXNjcmlwdGlvbj4NCiAgIDwvYm9vaz4NCiAgIDxib29rIGlkPSJiazEwOCI+DQogICAgICA8YXV0aG9yPktub3JyLCBTdGVmYW48L2F1dGhvcj4NCiAgICAgIDx0aXRsZT5DcmVlcHkgQ3Jhd2xpZXM8L3RpdGxlPg0KICAgICAgPGdlbnJlPkhvcnJvcjwvZ2VucmU+DQogICAgICA8cHJpY2U+NC45NTwvcHJpY2U+DQogICAgICA8cHVibGlzaF9kYXRlPjIwMDAtMTItMDY8L3B1Ymxpc2hfZGF0ZT4NCiAgICAgIDxkZXNjcmlwdGlvbj5BbiBhbnRob2xvZ3kgb2YgaG9ycm9yIHN0b3JpZXMgYWJvdXQgcm9hY2hlcywNCiAgICAgIGNlbnRpcGVkZXMsIHNjb3JwaW9ucyAgYW5kIG90aGVyIGluc2VjdHMuPC9kZXNjcmlwdGlvbj4NCiAgIDwvYm9vaz4NCiAgIDxib29rIGlkPSJiazEwOSI+DQogICAgICA8YXV0aG9yPktyZXNzLCBQZXRlcjwvYXV0aG9yPg0KICAgICAgPHRpdGxlPlBhcmFkb3ggTG9zdDwvdGl0bGU+DQogICAgICA8Z2VucmU+U2NpZW5jZSBGaWN0aW9uPC9nZW5yZT4NCiAgICAgIDxwcmljZT42Ljk1PC9wcmljZT4NCiAgICAgIDxwdWJsaXNoX2RhdGU+MjAwMC0xMS0wMjwvcHVibGlzaF9kYXRlPg0KICAgICAgPGRlc2NyaXB0aW9uPkFmdGVyIGFuIGluYWR2ZXJ0YW50IHRyaXAgdGhyb3VnaCBhIEhlaXNlbmJlcmcNCiAgICAgIFVuY2VydGFpbnR5IERldmljZSwgSmFtZXMgU2Fsd2F5IGRpc2NvdmVycyB0aGUgcHJvYmxlbXMgDQogICAgICBvZiBiZWluZyBxdWFudHVtLjwvZGVzY3JpcHRpb24+DQogICA8L2Jvb2s+DQogICA8Ym9vayBpZD0iYmsxMTAiPg0KICAgICAgPGF1dGhvcj5PJ0JyaWVuLCBUaW08L2F1dGhvcj4NCiAgICAgIDx0aXRsZT5NaWNyb3NvZnQgLk5FVDogVGhlIFByb2dyYW1taW5nIEJpYmxlPC90aXRsZT4NCiAgICAgIDxnZW5yZT5Db21wdXRlcjwvZ2VucmU+DQogICAgICA8cHJpY2U+MzYuOTU8L3ByaWNlPg0KICAgICAgPHB1Ymxpc2hfZGF0ZT4yMDAwLTEyLTA5PC9wdWJsaXNoX2RhdGU+DQogICAgICA8ZGVzY3JpcHRpb24+TWljcm9zb2Z0J3MgLk5FVCBpbml0aWF0aXZlIGlzIGV4cGxvcmVkIGluIA0KICAgICAgZGV0YWlsIGluIHRoaXMgZGVlcCBwcm9ncmFtbWVyJ3MgcmVmZXJlbmNlLjwvZGVzY3JpcHRpb24+DQogICA8L2Jvb2s+DQogICA8Ym9vayBpZD0iYmsxMTEiPg0KICAgICAgPGF1dGhvcj5PJ0JyaWVuLCBUaW08L2F1dGhvcj4NCiAgICAgIDx0aXRsZT5NU1hNTDM6IEEgQ29tcHJlaGVuc2l2ZSBHdWlkZTwvdGl0bGU+DQogICAgICA8Z2VucmU+Q29tcHV0ZXI8L2dlbnJlPg0KICAgICAgPHByaWNlPjM2Ljk1PC9wcmljZT4NCiAgICAgIDxwdWJsaXNoX2RhdGU+MjAwMC0xMi0wMTwvcHVibGlzaF9kYXRlPg0KICAgICAgPGRlc2NyaXB0aW9uPlRoZSBNaWNyb3NvZnQgTVNYTUwzIHBhcnNlciBpcyBjb3ZlcmVkIGluIA0KICAgICAgZGV0YWlsLCB3aXRoIGF0dGVudGlvbiB0byBYTUwgRE9NIGludGVyZmFjZXMsIFhTTFQgcHJvY2Vzc2luZywgDQogICAgICBTQVggYW5kIG1vcmUuPC9kZXNjcmlwdGlvbj4NCiAgIDwvYm9vaz4NCiAgIDxib29rIGlkPSJiazExMiI+DQogICAgICA8YXV0aG9yPkdhbG9zLCBNaWtlPC9hdXRob3I+DQogICAgICA8dGl0bGU+VmlzdWFsIFN0dWRpbyA3OiBBIENvbXByZWhlbnNpdmUgR3VpZGU8L3RpdGxlPg0KICAgICAgPGdlbnJlPkNvbXB1dGVyPC9nZW5yZT4NCiAgICAgIDxwcmljZT40OS45NTwvcHJpY2U+DQogICAgICA8cHVibGlzaF9kYXRlPjIwMDEtMDQtMTY8L3B1Ymxpc2hfZGF0ZT4NCiAgICAgIDxkZXNjcmlwdGlvbj5NaWNyb3NvZnQgVmlzdWFsIFN0dWRpbyA3IGlzIGV4cGxvcmVkIGluIGRlcHRoLA0KICAgICAgbG9va2luZyBhdCBob3cgVmlzdWFsIEJhc2ljLCBWaXN1YWwgQysrLCBDIywgYW5kIEFTUCsgYXJlIA0KICAgICAgaW50ZWdyYXRlZCBpbnRvIGEgY29tcHJlaGVuc2l2ZSBkZXZlbG9wbWVudCANCiAgICAgIGVudmlyb25tZW50LjwvZGVzY3JpcHRpb24+DQogICA8L2Jvb2s+DQo8L2NhdGFsb2c+",
    "digestAlgorithm" : null,
    "name" : "Books.xml"
  }
}'

Second Request

curl --location --request POST 'http://localhost:8080/signDocument' \
--header 'Content-Type: application/json' \
--data-raw '{
  "parameters" : {
    "signingCertificate" : {
      "encodedCertificate" : "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"
    },
    "certificateChain" : [ ],
    "detachedContents" : null,
    "asicContainerType" : null,
    "signatureLevel" : "XAdES_BASELINE_B",
    "signaturePackaging" : "ENVELOPED",
    "signatureAlgorithm" : "RSA_SHA256",
    "digestAlgorithm" : "SHA256",
    "encryptionAlgorithm" : "RSA",
    "referenceDigestAlgorithm" : null,
    "contentTimestampParameters" : {
      "digestAlgorithm" : "SHA256",
      "canonicalizationMethod" : "http://www.w3.org/2001/10/xml-exc-c14n#"
    },
    "signatureTimestampParameters" : {
      "digestAlgorithm" : "SHA256",
      "canonicalizationMethod" : "http://www.w3.org/2001/10/xml-exc-c14n#"
    },
    "archiveTimestampParameters" : {
      "digestAlgorithm" : "SHA256",
      "canonicalizationMethod" : "http://www.w3.org/2001/10/xml-exc-c14n#"
    },
    "signWithExpiredCertificate" : false,
    "generateTBSWithoutCertificate" : false,
    "blevelParams" : {
      "trustAnchorBPPolicy" : true,
      "signingDate" : 1669156519000,
      "claimedSignerRoles" : null,
      "policyId" : null,
      "policyQualifier" : null,
      "policyDescription" : null,
      "policyDigestAlgorithm" : null,
      "policyDigestValue" : null,
      "policySpuri" : null,
      "commitmentTypeIndications" : null,
      "signerLocationPostalAddress" : [ ],
      "signerLocationPostalCode" : null,
      "signerLocationLocality" : null,
      "signerLocationStateOrProvince" : null,
      "signerLocationCountry" : null,
      "signerLocationStreet" : null
    }
  },
  "signatureValue" : {
    "algorithm" : "RSA_SHA256",
    "value" : "MZ8NFMXPO3PuIvmwC2DpPP369SuhXkaETP9xEbAl3nPrks9RdOHgzhrv29z+YtGFOeX28gCkg+XiRFGCqxnxJ6TzfHBJbzt3c3C1cs9NKrR8wt4P4YYIL9Kw1qLHJax/MwrmKzJj3+GBdplXMjT9RfFIMp9V9EDpLN2XqHbZtOfPR8cBD8Yd8ZOwqHaw0ExvcER4ZB0WfrtMU67Xo/xTLrADYXE2yB5GK1qRjM12dArdvRKzjSqspzANxbX7p0/hNTHIIAWDxUFtcs0bJ6KIr3m71FKkx4Helzcy2VBFFEEuO2qBRh/9IwquRdPIrdnUaejcjIjR2105M0P0HfUXQw=="
  },
  "toSignDocument" : {
    "bytes" : 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    "digestAlgorithm" : null,
    "name" : "Books.xml"
  }
}

'