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Appendix Q: Cryptographic Modules

Cryptographic Modules Implemented for Data-in-Transit (DIT)

This page needs work:

  • The examples needs to be converted to YAML
  • A description of the YAML constructs needs to be provided

OSCAL's component model treats independent validation of products and services as if that validation were a separate component. This means when using components with FIPS 140 validated cryptographic modules, there must be two component assemblies:

  • The Validation Definition: A component that provides details about the validation.

  • The Product Definition: A component that describes the hardware or software product.

The validation definition is a component that provides details about the independent validation. Its type must have a value of "validation". In the case of FIPS 140 validation, this must include a link field with a rel value set to "validation-details". This link must point to the cryptographic module's entry in the NIST Computer Security Resource Center (CSRC) Cryptographic Module Validation Program Database.

The product definition is a product with a cryptographic module. It must contain all of the typical component information suitable for reference by inventory-items and control statements. It must also include a link field with a rel value set to "validation" and an href value containing a URI fragment. The fragment must start with a hashtag (#) and include the UUID value of the validation component. This links the two together.

system security plan cryptographic modules page image
Component Representation: Example Product with FIPS 140-2 Validation
<!-- system-characteristics -->
<system-implementation>
    <!-- user -->
    <!-- Minimum Required Components -->
    
    <!-- FIPS 140-2 Validation Certificate Information -->
    <!-- Include a separate component for each relevant certificate -->
    <component uuid="uuid-value" type="validation">
        <title>Module Name</title>
        <description><p>FIPS 140-2 Validated Module</p></description>
        <prop ns="https://fedramp.gov/ns/oscal" name="asset-type" 
              value="cryptographic-module" />
        <prop ns="https://fedramp.gov/ns/oscal" name="vendor-name" 
              value="CM Vendor"/>
        <prop ns="https://fedramp.gov/ns/oscal" name="cryptographic-module-usage" 
              value="data-in-transit"/>
        <prop name="validation-type" value="fips-140-2"/>
        <prop name="validation-reference" value="0000"/>
        <link href="https://csrc.nist.gov/projects/cryptographic-module-validation-program/Certificate/0000" rel="validation-details" />
        <status state="operational" />
    </component>
    
    <!-- FIPS 140-2 Validated Product -->
    <component uuid="uuid-value" type="software" >
        <title>Product Name</title>
        <description><p>A product with a cryptographic module.</p></description>
        <link href="#uuid-of-validation-component" rel="validation" />
        <status state="operational" />
    </component>
    
    <!-- service -->
</system-implementation>
<!-- control-implementation -->

Cryptographic Modules Implemented for Data-at-Rest (DAR)

The approach is the same as in the cryptographic module data-in-transit section.

ssp-figure-22.png

Component Representation: Example Product with FIPS 140-2 Validation
<!-- system-characteristics -->
<system-implementation>
    <!-- user -->
    <!-- Minimum Required Components -->
    
    <!-- FIPS 140-2 Validation Certificate Information -->
    <!-- Include a separate component for each relevant certificate -->
    <component uuid="uuid-value" type="validation">
        <title>Module Name</title>
        <description><p>FIPS 140-2 Validated Module</p></description>
        <prop ns="https://fedramp.gov/ns/oscal" name="asset-type" 
              value="cryptographic-module" />
        <prop ns="https://fedramp.gov/ns/oscal" name="vendor-name" 
              value="CM Vendor"/>
        <prop ns="https://fedramp.gov/ns/oscal" name="cryptographic-module-usage" 
              value="data-at-rest"/>
        <prop name="validation-type" value="fips-140-2"/>
        <prop name="validation-reference" value="0000"/>
        <link href="https://csrc.nist.gov/projects/cryptographic-module-validation-program/Certificate/0000" rel="validation-details" />
        <status state="operational" />
    </component>
    
    <!-- FIPS 140-2 Validated Product -->
    <component uuid="uuid-value" type="software" >
        <title>Product Name</title>
        <description><p>A product with a cryptographic module.</p></description>
        <link href="#uuid-of-validation-component" rel="validation" />
        <status state="operational" />
    </component>
    
    <!-- service -->
</system-implementation>
<!-- control-implementation -->
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