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NishMath - #postquantumcrypto
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@medium.com
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The Post-Quantum Cryptography Coalition (PQCC) has recently published a comprehensive roadmap designed to assist organizations in transitioning from traditional cryptographic systems to quantum-resistant alternatives. This strategic initiative comes as quantum computing capabilities rapidly advance, posing a significant threat to existing data security measures. The roadmap emphasizes the importance of proactive planning to mitigate long-term risks associated with cryptographically relevant quantum computers. It is structured into four key implementation categories: Preparation, Baseline Understanding, Planning and Execution, and Monitoring and Evaluation.
The roadmap offers detailed steps for organizations to customize their adoption strategies, regardless of size or sector. Activities include inventorying cryptographic assets, assigning migration leads, prioritizing systems for upgrades, and aligning stakeholders across technical and operational domains. Furthermore, it underscores the urgency of Post-Quantum Cryptography (PQC) adoption, particularly for entities managing long-lived or sensitive data vulnerable to "harvest now, decrypt later" attacks. Guidance is also provided on vendor engagement, creating a cryptographic bill of materials (CBOM), and integrating cryptographic agility into procurement and system updates. In related advancements, research is focusing on enhancing the efficiency of post-quantum cryptographic algorithms through hardware implementations. A new study proposes a Modular Tiled Toeplitz Matrix-Vector Polynomial Multiplication (MT-TMVP) method for lattice-based PQC algorithms, specifically designed for Field Programmable Gate Arrays (FPGAs). This innovative approach significantly reduces resource utilization and improves the Area-Delay Product (ADP) compared to existing polynomial multipliers. By leveraging Block RAM (BRAM), the architecture also offers enhanced robustness against timing-based Side-Channel Attacks (SCAs), making it a modular and scalable solution for varying polynomial degrees. This combined with hybrid cryptographic models is a practical guide to implementing post quantum cryptography using hybrid models for TLS, PKI, and identity infrastructure.
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Mohamed Abdel-Kareem@quantumcomputingreport.com
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Recent advances in quantum computing pose a significant threat to current cryptographic systems, necessitating the development and deployment of post-quantum cryptography (PQC). Quantum computers, leveraging quantum mechanics, can perform certain calculations exponentially faster than classical computers. This capability undermines the security of widely used public key cryptography algorithms like RSA and Elliptic Curve Cryptography (ECC), which rely on the difficulty of factoring large numbers and finding discrete logarithms. Mathematician Peter Shor's algorithm demonstrated that quantum computers could break RSA encryption, spurring interest in quantum-resistant cryptography. While symmetric key algorithms like AES and hash functions are considered more robust, the vulnerability of public key cryptography demands immediate attention and transition to PQC solutions.
The Bitcoin ecosystem is actively exploring the integration of post-quantum cryptographic solutions to safeguard against potential quantum attacks. Blockstream is seeking an Applied Cryptographer to research, evaluate, and implement PQC tailored for Bitcoin's unique challenges. This includes adapting state-of-the-art PQC research to the Bitcoin domain, exploring features relevant for Bitcoin such as threshold signatures, signature aggregation, Taproot tweaking, silent payments, and HD wallets. The focus is on analyzing the implications of integrating post-quantum schemes into Bitcoin and contributing to Bitcoin Improvement Proposals (BIPs) to standardize cryptography for use in Bitcoin. In related news, Heriot-Watt University has launched a £2.5 million Optical Ground Station (HOGS) to advance satellite-based quantum-secure communication. This facility will enable quantum key distribution (QKD) experiments with satellites, contributing to the development of a quantum-secure internet. Furthermore, U.S. Congress is considering the "Quantum Sandbox for Near-Term Applications Act" to promote the commercial advancement of quantum technology through public-private partnerships. Simultaneously, research is underway to enhance telehealth cybersecurity by integrating PQC with QKD and privacy-preserving mechanisms, ensuring data confidentiality and immutability for patient records in a post-quantum era.
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