SecureBlackbox 2020 Python Edition

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SAMLWriter Class

Properties   Methods   Events   Configuration Settings   Errors  

The SAMLWriter class offers SAML message generation functions.

Syntax

class secureblackbox.SAMLWriter

Remarks

SAMLWriter provides means of serialization of SAML entities into valid SAML protocol messages. Together with SAMLReader, this class provides fine-grained access to the composition of SAML requests, responses, assertions, and statements. You can use it as part of your SAML client or SAML server implementation for creating individual SAML entities.

SAMLReader and SAMLWriter are independent of SAML server controls that are also included in SecureBlackbox, and are aimed at scenarios that require lower-level access to SAML functionality than that provided by the server controls.

SAMLWriter can create the following kinds of SAML messages:

  • AssertionIDRequest
  • SubjectQuery
  • AuthnQuery
  • AttributeQuery
  • AuthzDecisionQuery
  • AuthnRequest
  • ManageNameIDRequest
  • LogoutRequest
  • NameIDMappingRequest
  • ArtifactResolve
  • Response

Please find below a quick-and-dirty example of the use of SAMLWriter class for creating a signed AuthnRequest message:

  Samlwriter writer = new Samlwriter();

  // configuring general message properties
  writer.Destination = "http://destination-url.com";
  writer.IssueInstant = DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ");
  writer.Issuer = "Value=https://issuer-url.com;Format=urn:oasis:names:tc:SAML:2.0:nameid-format:entity;IDType=Issuer";

  // configuring general AuthnRequest properties
  writer.AuthnRequest.IsPassive = false;
  writer.AuthnRequest.UseIsPassive = true;
  writer.AuthnRequest.ForceAuthn = true;
  writer.AuthnRequest.ProtocolBinding = "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST";
  writer.AuthnRequest.AssertionConsumerServiceURL = "https://assertion-consumer-url.com";
  writer.AuthnRequest.AttributeConsumingServiceIndex = 1;
  writer.AuthnRequest.NameIDPolicyAllowCreate = false;
  writer.AuthnRequest.NameIDPolicyFormat = "urn:oasis:names:tc:SAML:2.0:nameid-format:persistent";
  writer.AuthnRequest.ConditionsNotBefore = DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ");
  writer.AuthnRequest.ConditionsNotOnOrAfter = DateTime.UtcNow.AddMinutes(30).ToString("yyyy-MM-ddTHH:mm:ss.fffZ");

  // adjusting request conditions if required
  SAMLAssertionCondition cond = new SAMLAssertionCondition();
  cond.ConditionType = SAMLConditionTypes.csctOneTimeUse;
  writer.AuthnRequestConditions.Add(cond);

  // configuring signing properties
  Certificate certificate = new Certificate("C:\\Certs\\samlCert.pfx", "password");
  writer.Sign = true;
  writer.SigningCertificate = certificate;

  // creating the SAML entity of the required type
  writer.CreateNew((int)SamlwriterOutputTypes.cstyAuthnRequest);

  // adjusting low-level signature parameters
  writer.Config("SigDigestMethod=http://www.w3.org/2001/04/xmlenc#sha256");
  writer.Config("SigMethod=http://www.w3.org/2001/04/xmldsig-more#rsa-sha256");
            
  // signing the request and serializing it to XML
  string request = writer.Save();
The above code produces the following AuthnRequest:
  <samlp:AuthnRequest 
    xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" ID="53GhrzQ5f89fu214ANAR" Version="2.0" 
    IssueInstant="2021-12-15T10:39:31Z" Destination="http://destination-url.com" IsPassive="false" 
    ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" 
    AssertionConsumerServiceURL="https://assertion-consumer-url.com" AttributeConsumingServiceIndex="1" 
    xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol">
    <saml:Issuer Format="urn:oasis:names:tc:SAML:2.0:nameid-format:entity">https://issuer-url.com</saml:Issuer>
    <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
      <ds:SignedInfo>
        <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
        <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
        <ds:Reference URI="#53GhrzQ5f89fu214ANAR">
          <ds:Transforms>
            <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
            <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
          </ds:Transforms>
          <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><ds:DigestValue>+xhhgXtwYN0/r9h7WAwg=</ds:DigestValue>
        </ds:Reference>
      </ds:SignedInfo>
      <ds:SignatureValue>
        jfYeIq/z8D1tJZYbVqDMoqKpdrfGMj8/zI7gbUsJbECAr00cN34md2QG0mo4cOx7pny+5
        Tht7tUzqENHqcZdmlOcZc2JcJqokVxIcLEluFiWKlNjpexkXFQKzOC1peRfTZm8SQTqtP
        Cz8IknLUc6Scfml29PHmks1PxjJDteGb/+FggsZRTGZC3a05nvH3ayvHukPeHuHssx5dX
        nj0quT8salR6fdx6lAJo/AnDHzcfBNyxAMn+ebk5VOOgVD1L3PayvXib/maj8aVI2I5UT
        o4vmfybTWKzeS8DX9We7UV+4Xowwe647t1A912xLVub/e23A18Yf1V0PXC87kttTkA==
      </ds:SignatureValue>
      <ds:KeyInfo>
        <ds:X509Data><ds:X509Certificate>
          MIIEKDCCAxCgAwIBAgIFYA3A3gIwDQYJKoZIhvcNAQELBQAwfjELMAkGA1UEBhMCVVMxC
          zAJBgNVBAgTAk5DMRQwEgYDVQQHEwtDaGFwZWwgSGlsbDEiMCAGCSqGSIb3DQEJARMTc2
          FsZXNAbnNvZnR3YXJlLmNvbTEoMCYGA1UEAxMfU2VjdXJlQmxhY2tib3ggRGVtbyBDZXJ
          0aWZpY2F0ZTAeFw0xNzA5MDEwMDAwMDBaFw0yMjA5MDEwMDAwMDBaMH4xCzAJBgNVBAYT
          AlVTMQswCQYDVQQIEwJOQzEUMBIGA1UEBxMLQ2hhcGVsIEhpbGwxIjAgBgkqhkiG9w0BC
          QETE3NhbGVzQG5zb2Z0d2FyZS5jb20xKDAmBgNVBAMTH1NlY3VyZUJsYWNrYm94IERlbW
          8gQ2VydGlmaWNhdGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCfAVIcq9o
          eoIbw56LsPjxWsX3YGkqasBQzgQymhfcDZeSvFKFis8iqArGLTUUWOaImO5t2UmjIa+4n
          YP39hb9Z1r0CMy53p83oYbbZZ7qMeji0pMAufJHqKCN8t2HNWf2HE8S9UOU7R/UHdrSAN
          JitBKV9lSG9f450yWoGNwt35ZCsOp0zqtCgvkEvteGsz01R5DDjOccs3QNu25K/Sf27KP
          CYabS6A1ehYNY/G32qoKNJhu3DN4bWje57gBWi9WSfQ3tZUOV5q2ozaNJA78Wl4fXC6RB
          CaBh0GOwXeyZoH13LJdn+lqlCSMz024ImG4yFQEENbWvE9Elku8RYTn73AgMBAAGjgaww
          gakwHwYDVR0jBBgwFoAUmt/L7GI1SH36Sp8EUBxTwuzSgqMwHQYDVR0OBBYEFJrfy+xiN
          Uh9+kqfBFAcU8Ls0oKjMA8GA1UdEwEB/wQFMAMBAf8wDwYDVR0PAQH/BAUDAwDuADBFBg
          NVHSUEPjA8BggrBgEFBQcDAQYIKwYBBQUHAwIGCCsGAQUFBwMDBggrBgEFBQcDBAYIKwY
          BBQUHAwgGCCsGAQUFBwMJMA0GCSqGSIb3DQEBCwUAA4IBAQBovHBbMsW/k/5iuLQQqsYS
          ng5X2iy1W+5BRb1hz0MGnHGLqJWy1ty5+bTo6g/zvT65dXIPIexLkInEenYSy75Lthr6a
          ewUcvwfl1TYXjWlMD5Nm5pM9As71+XsGSdYGXoKohbEzbT6RDByjwR+yxtatqko7e1Eg6
          InNJRTRt7al/63FSPEgSCqOX6asDVDNZ83db0dOcoeaPEiDz3liE3+tYHtKXj5/qwTtYd
          aqBZxdJfuCKZveEFe1DO3/ayDvIvG9Eme+rEjntErF+Cw9a8ukesvDuT49cRE9oTs3O7f
          6LUbhCv5zJN+dTFr75NSdWdp4yvn3nK3i2udeMnTWK0U
        </ds:X509Certificate></ds:X509Data>
      </ds:KeyInfo>
    </ds:Signature>
    <samlp:NameIDPolicy Format="urn:oasis:names:tc:SAML:2.0:nameid-format:persistent"/>
    <saml:Conditions NotBefore="2021-12-15T10:39:31Z" NotOnOrAfter="2021-12-15T11:09:31Z"><saml:OneTimeUse/></saml:Conditions>
  </samlp:AuthnRequest>

Property List


The following is the full list of the properties of the class with short descriptions. Click on the links for further details.

add_xml_headerControls the inclusion of an XML header in the message.
artifact_endpoint_indexAn accessor to the EndpointIndex entry of the artifact.
artifact_message_handleAn accessor to the MessageHandle property of the artifact.
artifact_remaining_artifactReturns the contents of the artifact.
artifact_source_idAn accessor to the SourceID property of the artifact.
artifact_type_codeThe TypeCode property of the artifact.
artifact_uriAn accessor to the URI property of the artifact.
artifact_resolve_queryContains the artifact resolve query.
assertion_attr_countThe number of records in the AssertionAttr arrays.
assertion_attr_friendly_nameSpecifies the friendly name of the attribute Use this property to access or set the friendly name of a SAML attribute (e.
assertion_attr_nameSpecifies the name of the attribute.
assertion_attr_name_formatIndicates the format used to reference the attribute.
assertion_attr_statement_indexContains the index of the statement the attribute corresponds to.
assertion_attr_valuesContains a list of attribute values.
assertion_condition_countThe number of records in the AssertionCondition arrays.
assertion_condition_audience_listAn accessor to the Audience list parameter of an audience restriction condition.
assertion_condition_condition_typeSpecifies a type of the condition object.
assertion_condition_proxy_restriction_countAn accessor to the proxy restriction count element of the condition.
assertion_countReturns the number of assertions in the message.
assertion_id_request_referencesContains the References entry of the SAML assertion ID request.
assertion_info_advice_assertion_countContains the number of advice assertions.
assertion_info_assertion_typeSpecifies the type of the assertion.
assertion_info_chain_validation_detailsThe details of a certificate chain validation outcome.
assertion_info_chain_validation_resultThe outcome of a certificate chain validation routine.
assertion_info_conditions_not_beforeRepresents the Conditions.
assertion_info_conditions_not_on_or_afterRepresents the Conditions.
assertion_info_encrypted_contentRepresents the encrypted assertion content.
assertion_info_idRepresents the ID of the assertion.
assertion_info_id_refRepresents an ID reference value.
assertion_info_issue_instantContains the assertion issuance time stamp.
assertion_info_signature_validation_resultThe outcome of the cryptographic signature validation.
assertion_info_signedSpecifies whether the assertion is signed.
assertion_info_uri_refRepresents an URI reference value.
assertion_info_validation_logContains the signing certificate's chain validation log.
assertion_info_versionSpecifies the SAML protocol version used.
assertion_issuerSpecifies the assertion issuer.
assertion_statement_countThe number of records in the AssertionStatement arrays.
assertion_statement_attributesContains a list of statement attribute names.
assertion_statement_authn_context_authenticating_authoritiesContains the list of authenticating authorities.
assertion_statement_authn_context_choiceSpecifies the authentication context choice variant.
assertion_statement_authn_context_class_refIndicates the authentication contexts class reference.
assertion_statement_authn_context_declSpecifies the authentication contexts declaration.
assertion_statement_authn_context_decl_refSpecifies the authentication contexts declaration reference.
assertion_statement_authn_instantSpecifies the authentication event timestamp.
assertion_statement_authn_session_indexContains the authentication session index.
assertion_statement_authn_session_not_on_or_afterMaps to the SessionNotOnOrAfter parameter of the authentication statement.
assertion_statement_authn_subject_locality_addressSpecifies the authentication subjects address.
assertion_statement_authn_subject_locality_dns_nameMaps to the authentication subjects DNS name parameter.
assertion_statement_authz_actionsProvides access to the list of actions of the authorization statement.
assertion_statement_authz_decisionSpecifies the authorization decision.
assertion_statement_authz_decision_evidenceManages the authorization decision statement evidence parameter.
assertion_statement_authz_decision_resourceSpecifies the authorization decision statement resource parameter.
assertion_statement_statement_typeSpecifies the assertion statement type.
assertion_subject_confirmation_countThe number of records in the AssertionSubjectConfirmation arrays.
assertion_subject_confirmation_data_addressContains the address enabled for presenting assertions.
assertion_subject_confirmation_data_in_response_toThe ID of the SAML message in response to which the assertion is issued.
assertion_subject_confirmation_data_not_beforeTime moment before which the subject cannot be confirmed.
assertion_subject_confirmation_data_not_on_or_afterLimits the time until which the subject can be confirmed.
assertion_subject_confirmation_data_recipientThe URI of the entity or the location of the resource to which the assertion should be presented.
assertion_subject_confirmation_data_typeThe type of data contained in the confirmation.
assertion_subject_confirmation_idThe identifier of the entity which can satisfy the subject confirmation requirements.
assertion_subject_confirmation_methodSpecifies the mechanism to be used to confirm the subject.
assertion_subject_idSpecifies the assertion subject ID.
attr_query_attr_countThe number of records in the AttrQueryAttr arrays.
attr_query_attr_friendly_nameSpecifies the friendly name of the attribute Use this property to access or set the friendly name of a SAML attribute (e.
attr_query_attr_nameSpecifies the name of the attribute.
attr_query_attr_name_formatIndicates the format used to reference the attribute.
attr_query_attr_statement_indexContains the index of the statement the attribute corresponds to.
attr_query_attr_valuesContains a list of attribute values.
authn_query_comparisonSpecifies the authentication context comparison method.
authn_query_context_class_refsSpecifies the context class reference.
authn_query_ref_typeSpecifies the context reference type.
authn_query_session_indexSpecifies the index of the session to the authentication entity.
authn_request_assertion_consumer_service_indexSpecifies the assertion consumer service index.
authn_request_assertion_consumer_service_urlSpecifies the assertion consumer service URL.
authn_request_attribute_consuming_service_indexSpecifies the attribute consuming service index.
authn_request_conditions_not_beforeSpecifies the NotBefore condition of the request.
authn_request_conditions_not_on_or_afterProvides access to the NotOnOrAfter condition of the request.
authn_request_context_class_refsProvides access to the authentication context class references.
authn_request_context_comparisonSpecifies the AuthnContext comparison method.
authn_request_context_ref_typeSpecifies the context reference type.
authn_request_force_authnCorresponds to the ForceAuthn parameter of the request.
authn_request_is_passiveMaps to the IsPassive parameter of the request.
authn_request_name_id_policy_allow_createMatches the AllowCreate attribute of NameIDPolicy element of the request.
authn_request_name_id_policy_formatMatches to the Format attribute of the NameIDPolicy element of the request.
authn_request_name_id_policy_sp_name_qualifierMatches to the SP name qualifier attribute of the request.
authn_request_name_id_policy_use_allow_createControls inclusion of AllowCreate attribute in the request.
authn_request_protocol_bindingSpecifies the protocol binding to be requested in the authentication request.
authn_request_provider_nameSpecifies the name of the requestor.
authn_request_scoping_idp_list_get_completeMatches the GetComplete element of the IDPList entry of the Scoping object.
authn_request_scoping_proxy_countThe maximum number of proxies on the way between the requestor and the provider.
authn_request_scoping_requester_i_dsA collection of requestor IDs on whose behalf the request is being sent.
authn_request_use_force_authnControls inclusion of ForceAuthn attribute in the request.
authn_request_use_is_passiveControls inclusion of IsPassive attribute in the request.
authn_request_condition_countThe number of records in the AuthnRequestCondition arrays.
authn_request_condition_audience_listAn accessor to the Audience list parameter of an audience restriction condition.
authn_request_condition_condition_typeSpecifies a type of the condition object.
authn_request_condition_proxy_restriction_countAn accessor to the proxy restriction count element of the condition.
authn_request_scoping_idp_countThe number of records in the AuthnRequestScopingIDP arrays.
authn_request_scoping_idp_locContains the value of the Loc attribute.
authn_request_scoping_idp_nameContains the name of the IdP provider.
authn_request_scoping_idp_provider_idContains the provider ID.
authz_decision_query_actionsSpecifies the list of actions included in the query.
authz_decision_query_resourceMatches the Resource element of the query.
bindingSpecifies the type of the binding to use.
consentContains the Consent parameter of the request.
destinationContains the Destination parameter of the SAML object.
encryption_cert_bytesReturns raw certificate data in DER format.
encryption_cert_handleAllows to get or set a 'handle', a unique identifier of the underlying property object.
idThe ID of the request.
in_response_toContains the InResponseTo property of the SAML request.
issue_instantContains request issuance timestamp.
issuerSets the issuer of the message.
logout_request_name_idContains the value of the NameID parameter.
logout_request_not_on_or_afterContains the value of the NotOnOrAfter parameter.
logout_request_reasonContains the value of the Reason parameter.
logout_request_session_indexesContains the list of session indices.
manage_name_id_request_name_idContains the value of the NameID parameter of the request.
manage_name_id_request_new_encrypted_idContains the value of the NewEncryptedID parameter of the request.
manage_name_id_request_new_idContains the value of the NewID parameter.
manage_name_id_request_terminateContains the value of the Terminate parameter of the request.
name_id_mapping_request_name_idAn accessor to the NameID parameter of the request.
name_id_mapping_request_name_id_policy_allow_createContains the value of AllowCreate parameter of the NameIDPolicy object.
name_id_mapping_request_name_id_policy_formatSpecifies the format of the NameIDPolicy element.
name_id_mapping_request_name_id_policy_sp_name_qualifierContains the SPNameQualifier parameter of the NameIDPolicy element.
name_id_mapping_request_name_id_policy_use_allow_createControls inclusion of UseAllow modifier in the NameIDPolicy object.
output_typeReturns the SAML type of message being created.
post_binding_bodyContains the form body.
post_binding_form_templateContains the XHTML form template returned by the service provider.
post_binding_modeSpecifies whether binding is applied on a server, or on a client side.
post_binding_relay_stateContains the value of the RelayState parameter of POST binding mechanism.
post_binding_urlContains the URL of POST binding mechanism.
profileSpecifies a pre-defined profile to apply when creating the signature.
redirect_binding_encodingSpecifies the message encoding.
redirect_binding_force_signEnforces a signature over all outgoing messages.
redirect_binding_relay_stateContains the RelayState parameter of the binding.
redirect_binding_signSpecifies whether to sign generated messages.
redirect_binding_signature_algorithmContains the signature algorithm.
redirect_binding_urlContains the URL of the request query.
redirect_binding_verify_signaturesInstructs the class whether to verify incoming signatures.
redirect_binding_cert_bytesReturns raw certificate data in DER format.
redirect_binding_cert_handleAllows to get or set a 'handle', a unique identifier of the underlying property object.
response_name_idContains the NameID parameter of a NameIDMapping response.
response_optional_elementAn optional message element to be returned with the response.
response_response_typeContains the type of the response.
response_status_code_sub_valueThe value of the nested StatusCode.
response_status_code_valueContains the status code value.
response_status_detailContains additional information on the status of the request.
response_status_messageContains a status message (optional).
signSpecifies whether the created SAML message should be signed.
signing_cert_bytesReturns raw certificate data in DER format.
signing_cert_handleAllows to get or set a 'handle', a unique identifier of the underlying property object.
signing_chain_countThe number of records in the SigningChain arrays.
signing_chain_bytesReturns raw certificate data in DER format.
signing_chain_handleAllows to get or set a 'handle', a unique identifier of the underlying property object.
subject_confirmation_countThe number of records in the SubjectConfirmation arrays.
subject_confirmation_data_addressContains the address enabled for presenting assertions.
subject_confirmation_data_in_response_toThe ID of the SAML message in response to which the assertion is issued.
subject_confirmation_data_not_beforeTime moment before which the subject cannot be confirmed.
subject_confirmation_data_not_on_or_afterLimits the time until which the subject can be confirmed.
subject_confirmation_data_recipientThe URI of the entity or the location of the resource to which the assertion should be presented.
subject_confirmation_data_typeThe type of data contained in the confirmation.
subject_confirmation_idThe identifier of the entity which can satisfy the subject confirmation requirements.
subject_confirmation_methodSpecifies the mechanism to be used to confirm the subject.
subject_idSets the subject of the message.
versionSpecifies the protocol version of the SAML message.

Method List


The following is the full list of the methods of the class with short descriptions. Click on the links for further details.

add_advice_assertionAdds an advice assertion to the message.
add_assertionAdds assertion to a SAML message.
clear_assertionResets the contents of all assertion-related properties.
compare_i_dsCompares two SAML IDs.
configSets or retrieves a configuration setting.
create_newCreates a new SAML message with the given type.
get_id_propReturns an element of the SAML ID.
remove_adviceRemoves an advice from an assertion.
remove_advice_assertionRemoves an advice from an assertion.
remove_all_assertionsRemoves all assertions currently configured in the message.
remove_assertionRemoves an assertion from the message.
saveSaves the configured message to a string.
save_bytesSaves the configured message to a byte array.
save_fileSaves the configured message to a file.

Event List


The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.

on_errorFires to report an error condition.
on_notificationThis event notifies the application about an underlying control flow event.

Configuration Settings


The following is a list of configuration settings for the class with short descriptions. Click on the links for further details.

IgnoreSystemTrustWhether trusted Windows Certificate Stores should be treated as trusted.
SigAfterIssuerSpecifies whether to insert the signature after the issuer tag in the SAML document.
SigCanonicalizationMethodThe canonicalization method to use in the signature.
SigDigestMethodThe digest method to use.
SigMethodThe signature method to use.
TolerateMinorChainIssuesWhether to tolerate minor chain issues.
UseMicrosoftCTLEnables or disables automatic use of Microsoft online certificate trust list.
UseSystemCertificatesEnables or disables the use of the system certificates.
CheckKeyIntegrityBeforeUseEnables or disable private key integrity check before use.
CookieCachingSpecifies whether a cookie cache should be used for HTTP(S) transports.
CookiesGets or sets local cookies for the class (supported for HTTPClient, RESTClient and SOAPClient only).
DefDeriveKeyIterationsSpecifies the default key derivation algorithm iteration count.
EnableClientSideSSLFFDHEEnables or disables finite field DHE key exchange support in TLS clients.
GlobalCookiesGets or sets global cookies for all the HTTP transports.
HttpUserAgentSpecifies the user agent name to be used by all HTTP clients.
LogDestinationSpecifies the debug log destination.
LogDetailsSpecifies the debug log details to dump.
LogFileSpecifies the debug log filename.
LogFiltersSpecifies the debug log filters.
LogFlushModeSpecifies the log flush mode.
LogLevelSpecifies the debug log level.
LogMaxEventCountSpecifies the maximum number of events to cache before further action is taken.
LogRotationModeSpecifies the log rotation mode.
MaxASN1BufferLengthSpecifies the maximal allowed length for ASN.1 primitive tag data.
MaxASN1TreeDepthSpecifies the maximal depth for processed ASN.1 trees.
OCSPHashAlgorithmSpecifies the hash algorithm to be used to identify certificates in OCSP requests.
UseOwnDNSResolverSpecifies whether the client classes should use own DNS resolver.
UseSharedSystemStoragesSpecifies whether the validation engine should use a global per-process copy of the system certificate stores.
UseSystemOAEPAndPSSEnforces or disables the use of system-driven RSA OAEP and PSS computations.
UseSystemRandomEnables or disables the use of the OS PRNG.

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SecureBlackbox 2020 Python Edition - Version 20.0 [Build 8154]