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Cryptanalysis and Codebreaking Acceleration

Shor and Grover mechanics, lattice cryptanalysis against PQC candidates, and CRQC timeline planning for defence intelligence.

Full day (6 hours)

Certificate on completion

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Course Overview

For cryptanalysts and defence intelligence leads. Covers Shor's and Grover's algorithms, quantum resource estimates for breaking RSA-2048 and AES-256, lattice-based cryptanalysis of PQC candidates, and defensive migration priorities under CNSA 2.0 timelines.

Curriculum

Course content is structured into sessions below. Each session is configurable to your organisation's environment, threat model, and objectives.

#	Session	Topics
1	Quantum Cryptanalysis Fundamentals How quantum algorithms threaten classical encryption	Shor's algorithm: polynomial-time factoring and discrete logarithm computation Grover's algorithm: quadratic speedup for symmetric key search and hash collision Resource estimates: logical qubits, T-gate depth, and error correction overhead for RSA-2048 and AES-256
2	Cryptanalytic Attack Surface in Defence Systems Where quantum codebreaking changes the calculus	RSA and ECDSA vulnerability: timeline estimates from IBM, Google, and academic projections AES-128 versus AES-256 under Grover's: effective security level halving and CNSA 2.0 response Hash function resilience: SHA-2/SHA-3 collision resistance under quantum birthday attacks Protocol-level exposure: TLS 1.2/1.3, IPsec IKEv2, and S/MIME in defence messaging systems
Break
3	Lattice and Code-Based Cryptanalysis Attacks against post-quantum candidates	Lattice reduction: BKZ 2.0, sieving algorithms, and the Core-SVP hardness model Dual attack and primal attack strategies against ML-KEM (FIPS 203) parameter sets Code-based cryptanalysis: information set decoding against Classic McEliece and BIKE Side-channel and fault injection: practical attacks that bypass mathematical hardness
4	Interactive Demonstration Quantum resource estimation for cryptanalytic attacks	Facilitator-led walkthrough of quantum resource estimation tools (Microsoft Azure Quantum, IBM Qiskit) Estimating T-gate counts and logical qubit requirements for Shor's algorithm against RSA-2048 and RSA-4096 Comparing published resource estimates: Gidney-Ekera 2021, Litinski 2023, Kim et al. 2024 Interpreting results: what "cryptographically relevant quantum computer" actually means for defence timelines
Break
5	Defensive Implications and Migration Priorities From threat assessment to action	HNDL (harvest now, decrypt later): classifying intelligence data by shelf life versus quantum timeline Hybrid cryptography deployment: ML-KEM + X25519 for TLS, ML-DSA + ECDSA for code signing CNSA 2.0 timeline alignment: 2030 symmetric deadlines, 2035 asymmetric deadlines for national security systems
6	Case Studies: Cryptanalytic Intelligence Historical and projected operational impact	Lessons from Enigma to modern SIGINT: how cryptanalytic breakthroughs reshape intelligence operations Projected impact of quantum codebreaking on adversary COMSEC and stored encrypted intercepts
7	Q&A and Threat Assessment Planning

Designed and Delivered By

Training courses are designed and delivered by QSECDEF in collaboration with subject specialists. All instructors have direct experience in quantum technologies and security.

QSECDEF brings expertise in post-quantum cryptography, quantum computing strategy, and defence-grade security assessment. Our membership spans 900+ organisations and 1,500+ professionals working at the intersection of quantum technologies and critical infrastructure security.

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Cryptanalysis and Codebreaking Acceleration

Course Overview

Curriculum

Designed and Delivered By

Quantum Security Defence

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