A CBOM is a structured inventory of every cryptographic asset inside a software application: the algorithms, key lengths, certificates, and crypto libraries that protect data across your digital ecosystem. This guide explains what a cryptographic bill of materials covers, why it matters for your organization's cryptographic posture, and how to strengthen security posture through post-quantum migration readiness.
If you manage critical infrastructure, lead application security, or oversee software supply chain security, this is for you. As threats evolve and quantum attacks draw closer, maintaining a comprehensive cryptographic inventory is a critical part of protecting your organization’s data.
How a Bill of Materials CBOM Differs from an SBOM
A software bill of materials (SBOM) lists all software components in an application: modules, libraries, dependencies, and version metadata. An SBOM helps identify software supply chain risks quickly and supports vulnerability management.
A bill of materials CBOM extends the SBOM with cryptographic details. Where an SBOM tracks code dependencies, the CBOM focuses on cryptographic assets used in software: algorithms, cryptographic libraries, key usage patterns, and protocols that enable secure communications.
Think of it like a food label: an SBOM is the ingredient list. A bill of materials CBOM is the nutritional breakdown, telling you which cryptographic techniques are at work and whether those cryptographic elements meet current standards.
Why CBOM Matters for Your Organization
Every organization depends on cryptography to protect data, authenticate users, and enable secure communications. Yet most lack a clear view of which cryptographic assets are deployed or where deprecated algorithms persist.
A cryptographic bill of materials solves this visibility gap. It is essential for managing cryptographic hygiene and compliance. Without one, you cannot assess cryptographic risk, plan for post-quantum cryptography, or respond to incidents involving vulnerable components.
CBOM matters because regulatory pressure is intensifying. Executive Order 14412, signed June 22, 2026, names the cryptographic bill of materials as part of federal post-quantum migration requirements. CISA and NIST must publish minimum elements by early 2027. Organizations that build their cryptographic inventory now will be ahead of compliance frameworks that follow.
The 2030 and 2031 migration deadlines in EO 14412 are finish lines, not starting pistols. CISA and NIST have until early 2027 to publish minimum CBOM elements, and a federal pilot program must complete by end of 2027. A full cryptographic inventory across a complex environment takes months. Prioritization, migration planning, and testing take longer. The organizations that meet the 2030 deadline will have started their CBOM work in 2026.
What Cryptographic Assets a CBOM Lists and Catalogs
A CBOM catalogs cryptographic elements like algorithms and keys. Specifically, it includes algorithms, keys, and digital certificates. It also records cipher suites, key sizes, and protocol versions deployed across every layer of your system.
The inventory should include cryptographic algorithms and key sizes to uniquely define the strength of every cryptographic operation. It also covers digital certificates and crypto libraries, giving you visibility into the components that implement algorithms within your source code.
A bill of materials CBOM provides context for cryptographic asset usage and dependencies. This means you see not just which algorithms are present, but which software application uses them, how key usage is configured, and whether those crypto assets align with your organization's security policies.
How CBOM Work in Practice
CBOM work builds on the OWASP CycloneDX standard. The format extends the CycloneDX standard for cryptographic assets, with version 1.6 or later recommended for standardization. The current version, CycloneDX 1.7, was adopted as ECMA-424 2nd Edition in December 2025.
The machine-readable format means generation tools can be integrated into CI/CD pipelines to automate cryptographic inventory management. This is necessary for regulatory compliance with standards like FIPS, HIPAA, or PCI DSS. The automated approach replaces manual audits with continuous cryptographic visibility.
Building Your Cryptographic Inventory
Building a comprehensive inventory means cataloging all crypto libraries, algorithms, certificates, key lengths, and protocols across every software application. Organizations must maintain a living cryptographic inventory for compliance. Your inventory must be continuously updated as software components change and cryptographic elements are added or deprecated.
Start by scanning source code and compiled binaries for crypto functions and cryptographic components. Inventory your certificates, map key usage to applications, and document which techniques each system relies on.
Cryptographic Visibility Through CBOM Insights
Cryptographic visibility is the ability to see, at any moment, exactly which cryptographic assets are deployed. A CBOM delivers this by providing insight into those assets and their usage.
Without visibility, threat actors can exploit potential weaknesses, from outdated algorithms to misconfigured protocols, without your knowledge. CBOM insights help identify cryptographic vulnerabilities and misalignments, reducing your attack surface and improving incident response readiness.
These insights help identify cryptographic risks in software applications, flagging where cryptographic risk is highest. This supports policy compliance and keeps your security posture aligned with NIST, PCI DSS, and FIPS 140-3.
Crypto Agility and Cryptographic Agility
Cryptographic agility, also called crypto agility, is the ability to rapidly swap algorithms, crypto libraries, and cryptographic techniques without redesigning your system. A CBOM is the foundation for crypto agility because you cannot replace what you cannot see.
This is critical for managing crypto hygiene and avoiding weak or outdated ciphers. When compliance frameworks mandate a transition, your cryptographic inventory tells you exactly which software components are affected and where to implement algorithms that meet updated requirements.
Cryptographic agility also depends on understanding crypto libraries and their dependencies. The inventory can identify which components are exposed to vulnerabilities in cryptographic libraries, enabling faster incident response.
Post-Quantum Cryptography and Migration Planning
Quantum computing poses a direct threat to many encryption algorithms in use today. Quantum attacks could break RSA and ECC-based cryptographic components, compromising critical infrastructure. Post-quantum cryptography addresses these future risks.
A CBOM aids in assessing readiness for algorithm deprecation or post-quantum migration by mapping where classical cryptographic assets exist and which systems must transition to quantum-safe cryptography first.
NIST released the first post-quantum standards (FIPS 203, FIPS 204, FIPS 205) in August 2024. Project managers can use a CBOM to scope and budget migration projects, targeting the highest-risk cryptographic elements first. The NIST quantum security level framework helps prioritize which assets to migrate.
Audit Readiness and Compliance
Audit readiness requires proving that your cryptographic components meet regulatory requirements. A CBOM supports compliance and audit readiness by providing clear visibility into cryptographic dependencies.
It is essential for compliance with frameworks like NIST, PCI DSS, HIPAA, and CMMC 2.0. A single platform that maintains this inventory gives auditors evidence of cryptographic assets, key lengths, and certificates without manual document gathering.
A comprehensive CBOM goes beyond checkboxes. It demonstrates strong cryptographic hygiene and proves policy compliance at any point.
CBOM Extends Vulnerability Management
The approach helps identify vulnerabilities in cryptographic implementations, making risk remediation more precise. Instead of scanning broadly, the inventory lets you focus on cryptographic risk: the specific cryptographic assets and crypto libraries where weaknesses exist.
It is essential for managing quantum-vulnerable algorithms, identifying which systems will be broken by quantum computing and need immediate attention. This targeted approach reduces noise, accelerates remediation, and strengthens your overall security posture.
A CBOM extends traditional scanning by covering cryptographic elements that other tools miss. Correlating findings with threat intelligence clarifies your attack surface and the potential weaknesses threat actors target.
CBOM and Software Supply Chain Security
A CBOM extends software supply chain security by adding cryptographic transparency to the SBOM ecosystem. SBOMs identify supply chain risks quickly, but they miss the cryptographic layer. A cybersecurity bill strategy that includes both SBOM and a cryptographic bill of materials provides end-to-end visibility.
The cryptographic assets within every dependency, including third-party and open-source crypto libraries, may carry hidden risks that go unexamined without a CBOM.
Implementing a Cryptographic Bill of Materials
Use CycloneDX 1.6 or later for standardization to ensure your output is machine-readable and interoperable. Several open-source and commercial tools support automated generation from source code and binaries.
Integrate generation into your CI/CD pipeline. Map your cryptographic inventory to compliance frameworks and establish policies for acceptable algorithms, key sizes, and cipher suites.
Review regularly. Crypto agility requires ongoing monitoring, not a one-time snapshot. As threats evolve, your cryptographic bill of materials must evolve with them.
Related Topics and the Broader Cryptographic Security Landscape
The CBOM sits within a broader landscape of related topics in application security. Cryptographic agility, vulnerability management, and post-quantum migration all depend on the structured inventory it provides.
For more on how cloud data encryption underpins these practices, or how Zero Trust cloud security addresses evolving threat models, explore the Aviatrix Learn Center.
How Aviatrix Strengthens Your Cryptographic Posture
Building a CBOM tells you what cryptographic assets you have. Operationalizing that knowledge across your cloud infrastructure is where Aviatrix comes in.
Aviatrix delivers high-performance encryption across multicloud and hybrid environments, providing centralized visibility into network traffic, security events, and encryption status from a single platform. With end-to-end encryption, secure key management, and distributed cloud firewall capabilities, Aviatrix helps protect data in transit and at rest while maintaining the crypto agility needed for post-quantum readiness.
By pairing CBOM insights with Aviatrix, security teams gain the operational layer to enforce cryptographic policies and accelerate migration planning.
Explore cloud network security best practices or visit the Aviatrix Learn Center for resources on cloud security governance and AI in cloud security.
Sources
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Center for Cybersecurity Policy, "The White House Accelerates the Federal Transition to Post-Quantum Cryptography," centerforcybersecuritypolicy.org
Checkmarx, "CBOM Overview," checkmarx.com
CycloneDX, "Cryptography Bill of Materials (CBOM)," cyclonedx.org
Cycode, "CBOM Explained," cycode.com
Encryption Consulting, "Cryptographic Discovery & Inventory," encryptionconsulting.com
FDD, "Cryptography Bill of Materials: Why Every Encryption Ecosystem Needs One," fdd.org
IBM Research, "The Anatomy of Cryptography Bills of Materials," research.ibm.com
PostQuantum.com, "Cryptographic Bill of Materials Deep-Dive," postquantum.com
ReversingLabs, "How to Leverage CBOMs for Cryptographic Asset Discovery," reversinglabs.com
Sectigo, "Why Enterprises Need a CBOM," sectigo.com
NIST, "Post-Quantum Cryptography," nist.gov
