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The DataSync Agent can be configured to decrypt messages that have been published from a ServiceNow instance that is leveraging the ServiceNow Edge Encryption featureServiceNow records with data encrypted using Edge Encryption. Perspectium provides support for records encrypted using the Standard AES-128 and Standard AES-256 options.


Prerequisites


(warning) First, you will need to set up one of the Perspectium DataSync Agents.

(warning)  You should stop running your DataSync Agent before making any Agent configuration changes.


The DataSync Agent provides a plugin to support decrypting data that is edge encrypted. In order to enable support for Edge Encrypted replicated data you must obtain configuration information that was defined decrypt this, you will need the following:

  1. Edge Encryption enabled in your ServiceNow instance 
  2. Edge
proxy configuration file edgeencryption.properties. The exception is the keystore password you created when you created the keystore. Once this information is available you'll use that information to populate your DataSync Agent's task configuration. 

The Edge Decryption plugin will decrypt Edge Encrypted replicated datas when shared to the DataSync Agent. In order to support decryption, you will need the following:

Edge Encryption enabled in your ServiceNow instance 
Set up the encryption configurations (see above, Edge Encryption)
  1. Encryption proxy server installed and configured
  2. Keystore containing the encryption key used for Edge Encryption. This keystore can be stored in an Azure Key Vault cloud key management or stored locally on a filesystem the Agent as access to. 

With this information available, add the following configuration directives to your task definition within your agent.xml file:

UI Text Box
typenote

All attributes are required to access the keystore from the Azure Key Vault.  

For Azure Key Vault, add the following:

DirectiveParametersRequired?Example Value
<plugin>

Plugin that will decrypt Edge Encrypted replicated data.

ParameterDescription
keystore

Specifies where the keystore is located. Value: azure

vault_tenant

tenant_id for the Azure Key Vault containing the keystore*

vault_url

URL to the Azure Key Vault*

vault_principal

principal_id for the Azure Key Vault*

principal_secret

password for the Azure Key Vault*

secret_name

Name of the keystore^

keystore_passwordpassword for the keystore^
keystore_alias

Name of the key alias^

alias_password

Password for the key^

*See Authentication in Azure Key Vault for more information on these configurations.

^See Edge Encryption properties for more information on these configurations.


Code Block
  • Keystore containing the encryption key must be saved locally or in an Azure Key Vault
  • With this information available, add the following configuration directives to your task definition within your agent.xml file:

    UI Text Box
    typenote

    All attributes are required to access the key vault and open the keystore from the Azure vault.  

    If the keystore containing the encryption key is saved in an Azure Key Vault, add the following:

    DirectiveParametersRequired?Example Value
    <plugin>

    Plugin that will decrypt Edge Encrypted replicated datas.

    ParameterDescription
    keystore

    Specifies where the keystore is located. Value: azure

    vault_tenant

    tenant_id for the vault containing the keystore

    vault_url

    URL to the Azure KeyVault

    vault_principal

    principal_id for the KeyVault

    principal_secret

    password for the KeyVault

    secret_name

    Name of the keystore

    keystore_passwordpassword for the keystore
    keystore_alias

    Name of the key alias

    alias_password

    Password for the key

    Code Block
    <config>
    	<agent>
    		<subscribe>
    			<task> 
    				...
    				<plugin keystore="azure"
                     vault_tenant="VAULT_TENANT_GOES_HERE" 
                     vault_url="VAULT_URL_GOES_HERE"
                     vault_principal="VAULT_PRINCIPAL_GOES_HERE" 
                     principal_secret="PRINCIPAL_SECRET_GOES_HERE" 
                     secret_name="SECRET_NAME_GOES_HERE"
                     keystore_password="KEYSTORE_PASSWORD_GOES_HERE" 
                     keystore_alias="KEYSTORE_ALIAS_GOES_HERE" 
      				 alias_password="ALIAS_PASSWORD_GOES_HERE">com.perspectium.replicator.sql.plugin.SQLSubscriberDecryptColumnPlugin</plugin>
    
    			</task>
    		</subscribe>
    	</agent>
    </config>


    YesSee example below.

    Example of a complete agent.xml configuration with the keystore in an Azure Key Vault

    Code Block
    languagexml
    themeEclipse
    <?xml version="1.0" encoding="ISO-8859-1" ?>
    <config>
        <agent>
            <max_reads_per_connect>1</max_reads_per_connect>
            <polling_interval>5</polling_interval>
            <test_mode/>
            <subscribe>
                <task>
                    <polling_interval>5</polling_interval>
                    <task_name>oracle_subscriber_automated_test</task_name>
                    <handler>com.perspectium.replicator.sql.SQLSubscriber</handler>
                    <decryption_key>some_decryption_key_here</decryption_key>
                    <message_connection user="USER" password="PASSWORD" queue="psp.out.replicator.dev1234">https://URL.perspectium.net</message_connection>
                    <use_cache/>
                    <instance_connection user="USER" password="PASSWORD">https://dev1234.service-now.com</instance_connection>
                    <database_type>sqlserver</database_type>
                    <database_port>1234</database_port>
                    <database_server>SERVER_URL</database_server>
                    <database_user>USER</database_user>
                    <database_password>PASSWORD</database_password>
                    <database_parms>lockTimeout=15000;queryTimeout=15</database_parms>
                    <database>DATABASE_NAME</database>
                    <skip_columns_log_interval>200</skip_columns_log_interval>
    				<plugins>
    					<plugin keystore="azure"
                                vault_tenant="12345678-ab12-ab12-ab12-123456789ab"
                                vault_url="https://url.vault.azure.net/"
                                vault_principal="12345678-ab12-ab12-ab12-123456789ab"
                                principal_secret="3213156165-adasdasd_a1s5d6a5s1d6a"
                                secret_name="some_secret_name"
    							keystore_password="efg123"
                                keystore_alias="128bitkey"
                                alias_password="abc123">com.perspectium.replicator.sql.plugin.SQLSubscriberDecryptColumnPlugin</plugin>
            </task>
        </subscribe>
        <share>
            <task>
                <task_name>attachment_processor</task_name>
                <handler>com.perspectium.replicator.sql.subscriber.edge.SysAttachmentHandler</handler>
                <encryption_key>some_encryption_key_here</encryption_key>
     </agent>
    </config>


    If the keystore containing the encryption key is saved locally in the filesystem that the Agent has access to, add the following:

    DirectiveDescriptionRequired?Example Value
    <plugin>

    Plugin that will decrypt Edge Encrypted replicated data.

    ParameterDescription
    keystore

    Specifies where the keystore is located. Value: local

    keystore_path

    File path to the keystore^

    keystore_passwordPassword for the keystore^
    keystore_alias

    Name of the key alias^

    alias_password

    Password for the key^

    ^See Edge Encryption properties for more information on these configurations.


    Code Block
    <config>
    	<agent>
    		<subscribe>
    			<task> 
    				...
    				<plugin keystore="local"
               
    <message_connection
     
    user="USER" password="PASSWORD" queue="psp.out.replicator.dev5678">https://URL.perspectium.net</message_connection>
        keystore_path="KEYSTORE_PATH_GOES_HERE"
                
    <polling_interval>60</polling_interval>
        keystore_password="KEYSTORE_PASSWORD_GOES_HERE" 
                
    <max_writes_per_connect>1</max_writes_per_connect>
        
    <skip_queue/> <skip_report/> <topic>topic_here</topic> <type>type_here</type> <key>key_here</key> <name/> <database_type>sqlserver</database_type> <database_port>1234</database_port> <database_server>SERVER_URL</database_server> <database_user>USER</database_user> <database_password>PASSWORD</database_password> <database_parms>lockTimeout=15000;queryTimeout=15</database_parms> <database>DATABASE_NAME</database> <edge_encryption keystore="azure" vault_tenant="12345678-ab12-ab12-ab12-123456789ab" vault_url="https://url.vault.azure.net/" vault_principal="12345678-ab12-ab12-ab12-123456789ab" principal_secret="3213156165-adasdasd_a1s5d6a5s1d6a" secret_name="some_secret_name" keystore_password="efg123" keystore_alias="128bitkey" alias_password="abc123">true</edge_encryption> </task> </share> </agent> </config>

    If the keystore containing the encryption key is saved locally, add the following:

    DirectiveDescriptionRequired?Example Value
    keystore_alias="KEYSTORE_ALIAS_GOES_HERE"
     				alias_password="ALIAS_PASSWORD_GOES_HERE">com.perspectium.replicator.sql.plugin.SQLSubscriberDecryptColumnPlugin</plugin>
    			</task>
    		</subscribe>
    	</agent>
    </config>


    YesSee example below.

    Example of a complete agent.xml configuration with the keystore in a local filesystem the Agent has access to:

    Code Block
    languagexml
    themeEclipse
    <?xml version="1.0" encoding="ISO-8859-1" ?>
    <config>
        <agent>
            <max_reads_per_connect>1</max_reads_per_connect>
            <polling_interval>5</polling_interval>
    
    <plugin>

    Plugin that will decrypt Edge Encrypted replicated datas.

    ParameterDescription
    keystore

    Specifies where the keystore is located. Value: local.

    keystore_path

    File path to the keystore

    keystore_passwordPassword for the keystore
    keystore_alias

    Name of the key alias

    alias_password

    Password for the key

    Code Block
    <config>
    	<agent>
    		<subscribe>
    			<task> 
    				...
    				<plugin keystore="local"
                    keystore_path="KEYSTORE_PATH_GOES_HERE"
                    keystore_password="KEYSTORE_PASSWORD_GOES_HERE" 
                    keystore_alias="KEYSTORE_ALIAS_GOES_HERE"
     				alias_password="ALIAS_PASSWORD_GOES_HERE">com.perspectium.replicator.sql.plugin.SQLSubscriberDecryptColumnPlugin</plugin>
    			</task>
    		</subscribe>
    	</agent>
    </config>
    YesSee example below.

    Example of agent.xml

    Code Block
    languagexml
    themeEclipse
    <?xml version="1.0" encoding="ISO-8859-1" ?>
    <config>
        <agent>
            <max_reads_per_connect>1</max_reads_per_connect>
            <polling_interval>5</polling_interval>
            <test_mode/>
            <subscribe>
                <task>
                    <polling_interval>5</polling_interval>
                    <task_name>oracle_subscriber_automated_test</task_name>
                    <handler>com.perspectium.replicator.sql.SQLSubscriber</handler>
                    <decryption_key>some_decryption_key_here</decryption_key>
                    <message_connection user="USER" password="PASSWORD" queue="psp.out.replicator.dev1234">https://URL.perspectium.net</message_connection>
                    <use_cache/>
                    <instance_connection user="USER" password="PASSWORD">https://dev1234.service-now.com</instance_connection>
                    <database_type>sqlserver</database_type>
                    <database_port>1234</database_port>
                    <database_server>SERVER_URL</database_server>
                    <database_user>USER</database_user>
                    <database_password>PASSWORD</database_password>
                    <database_parms>lockTimeout=15000;queryTimeout=15</database_parms>
                    <database>DATABASE_NAME</database>
                    <skip_columns_log_interval>200</skip_columns_log_interval>
    				<plugins>
    					<plugin keystore="azure"
                                vault_tenant="12345678-ab12-ab12-ab12-123456789ab"
                                vault_url="https://url.vault.azure.net/"
                                vault_principal="12345678-ab12-ab12-ab12-123456789ab"
                                principal_secret="3213156165-adasdasd_a1s5d6a5s1d6a"
                                secret_name="some_secret_name"
    							keystore_password="efg123"
                                keystore_alias="128bitkey"
                                alias_password="abc123">com.perspectium.replicator.sql.plugin.SQLSubscriberDecryptColumnPlugin</plugin>
            </task>
        </subscribe>
        <share>
            <task>
                <task_name>attachment_processor</task_name>
                <handler>com.perspectium.replicator.sql.subscriber.edge.SysAttachmentHandler</handler>
                <encryption_key>some_encryption_key_here</encryption_key>
                <message_connection user="USER" password="PASSWORD" queue="psp.out.replicator.dev5678">https://URL.perspectium.net</message_connection>
                <polling<test_interval>60</polling_interval>mode/>
            <subscribe>
                <max_writes_per_connect>1</max_writes_per_connect>
    <task>
                    <skip<polling_queueinterval>5</>polling_interval>
                <skip_report/>    <task_name>oracle_subscriber_automated_test</task_name>
                <topic>topic_here</topic>
        <handler>com.perspectium.replicator.sql.SQLSubscriber</handler>
            <type>type_here</type>
                <key>key<decryption_key>some_decryption_key_here</decryption_key>
                <name/>
        <message_connection user="USER"       <database_type>sqlserver</database_type>
         password="PASSWORD" queue="psp.out.replicator.dev1234">https://URL.perspectium.net</message_connection>
           <database_port>1234</database_port>
                <database_server>SERVER_URL</database_server><use_cache/>
                <database_user>USER</database_user>
        <instance_connection user="USER" password="PASSWORD">https://dev1234.service-now.com</instance_connection>
          <database_password>PASSWORD</database_password>
                <database_parms>lockTimeout=15000;queryTimeout=15<type>sqlserver</database_parms>type>
                <database>DATABASE_NAME</database>
    
        <database_port>1234</database_port>
            <edge_encryption
                 <database_server>SERVER_URL</database_server>
           keystore="azure"
              <database_user>USER</database_user>
              vault_tenant="12345678-ab12-ab12-ab12-123456789ab"
          <database_password>PASSWORD</database_password>
                    vault_url="https://url.vault.azure.net/"
    <database_parms>lockTimeout=15000;queryTimeout=15</database_parms>
                    <database>DATABASE_NAME</database>
                    vault_principal="12345678-ab12-ab12-ab12-123456789ab<skip_columns_log_interval>200</skip_columns_log_interval>
    				<plugins>
    					<plugin keystore="local"
                        principal_secret="3213156165-adasdasd_a1s5d6a5s1d6a		keystore_path="abcdefg"
                   			keystore_password="efg123"
              secret_name="some_secret_name"
    					keystore_password="efg123"
    					              keystore_alias="128bitkey"
     						alias_password="abc123">true</edge_encryption>>com.perspectium.replicator.sql.plugin.SQLSubscriberDecryptColumnPlugin</plugin>
            </task>
        </share>subscribe>
    </agent>
    </config>


    If you want to use attachment handling with edge encryption , see Attachment Handlerso the attachments are each saved as a complete file, see Merging Attachments in the Database.



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