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Cryptography

All articles tagged with #cryptography

Quantum computers near 2029 threaten everyday encryption, triggering a looming cyber crisis
technology9 days ago

Quantum computers near 2029 threaten everyday encryption, triggering a looming cyber crisis

Experts warn that practical quantum computers could crack widely used encryption by around 2029, shrinking the window to secure data and forcing governments and companies to accelerate the adoption of post-quantum cryptography and related defenses. The risk includes harvest-now, decrypt-later attacks, potential threats to financial systems and health devices, and the reality that cryptographic migrations can take 10–20 years even with existing standards (NIST post-quantum algorithms) and urgency from guidance aiming for 2035. While some safeguards exist, broad, timely migration remains uncertain, underscoring the need for proactive upgrades to preserve data security in the quantum era.

Quantum Time Bomb: Crypto Could Be Cracked Sooner Than We Realize
technology1 month ago

Quantum Time Bomb: Crypto Could Be Cracked Sooner Than We Realize

Advances in quantum hardware and algorithms are shrinking the resources needed to break common encryption, notably elliptic-curve cryptography; while no immediate catastrophe is expected, experts urge migration to quantum-safe cryptography, with standards bodies like NIST aiming for widespread adoption by the mid-2030s and some regions piloting early post-quantum protections today.

Quantum race tightens the window on cryptography
technology1 month ago

Quantum race tightens the window on cryptography

Advances in quantum hardware and faster quantum algorithms are lowering the resources needed to crack widely used cryptography, including elliptic-curve and blockchain-based systems. While there’s no immediate catastrophe, standards bodies (like NIST) and industry players are accelerating post-quantum migrations and deploying hybrid protections, with broad adoption expected by the 2030s as the risk of a practical quantum attack grows.

Sensor-Level Signatures Could Certify Photos in Real Time
technology1 month ago

Sensor-Level Signatures Could Certify Photos in Real Time

ETH Zurich researchers propose cryptographic signatures generated by a camera’s sensor at capture time and stored in a public ledger to prove authenticity and detect tampering, offering a potentially more secure alternative to the current C2PA approach that signs data later in the camera’s processor; implementation would require redesigned sensors and hardware changes, with ongoing cost considerations.

Google flags quantum threat to Bitcoin, eyes 2029 post-quantum shift
security1 month ago

Google flags quantum threat to Bitcoin, eyes 2029 post-quantum shift

Google Research warns that the quantum resources needed to break ECDLP-256 have fallen roughly 20-fold, potentially enabling on-spend attacks against Bitcoin within its 10-minute block window and prompting a 2029 migration to post-quantum cryptography; the industry, including Coinbase and the Ethereum Foundation, is coordinating on the transition, though the risk remains years away.

Google Sets 2029 Q Day, Urging Quantum-Resistant Crypto Push
technology1 month ago

Google Sets 2029 Q Day, Urging Quantum-Resistant Crypto Push

Google accelerated its so‑called Q Day to 2029, warning that quantum computers could break current encryption and calling for a broad move to post-quantum cryptography. The piece explains how qubits and quantum phenomena could outpace classical cryptography, notes noisy qubits as a current hurdle, and highlights Google’s leadership push while acknowledging industry questions about the timeline and motivation.

Google accelerates Q Day to 2029, urging a rapid shift to post-quantum crypto
technology2 months ago

Google accelerates Q Day to 2029, urging a rapid shift to post-quantum crypto

Google slashes its Q Day readiness deadline to 2029 and urges the industry to adopt post-quantum cryptography to replace RSA and elliptic-curve schemes. The company also reveals Android 17 beta will add PQC support via ML-DSA in verified boot, the Keystore, and upcoming Play Store signing, signaling a broader PQC rollout across devices; experts view the timeline as a significant acceleration with ongoing questions about motivation.

Google's 2029 Quantum Upgrade Sparks Bitcoin Security Questions
technology2 months ago

Google's 2029 Quantum Upgrade Sparks Bitcoin Security Questions

Google has announced a 2029 deadline to migrate its systems to post-quantum cryptography, citing growing quantum hardware capabilities that could undermine current encryption and digital signatures. While Bitcoin faces long-term cryptographic risk from quantum attacks like Shor’s algorithm, upgrading Bitcoin is a decentralized, multi-stakeholder effort that won’t happen overnight. Initiatives such as BIP 360 introducing Pay-to-Merkle-Root are beginning to prepare for quantum-resistant signatures, and some estimates suggest a sizable portion of Bitcoin addresses could be vulnerable in a future quantum era—though exact timelines for practical quantum attacks remain uncertain.

Beyond Classical Bits: Building a Quantum-Input Complexity Theory
technology3 months ago

Beyond Classical Bits: Building a Quantum-Input Complexity Theory

Henry Yuen is building a fully quantum complexity theory to analyze problems whose inputs and outputs are quantum, something traditional theory can’t capture. By recasting issues through the lens of Uhlmann’s theorem, his work shows several quantum-input problems—bit commitments, black-hole decoding, quantum data compression—are actually equivalent, suggesting a unified, quantum-only framework. The project seeks to map these relationships and assess whether quantum-input problems are logically independent from classical complexity, while also sharing Yuen’s personal journey and research philosophy.

Researchers uncover 27 attack scenarios targeting cloud password managers
security3 months ago

Researchers uncover 27 attack scenarios targeting cloud password managers

Swiss researchers disclosed 27 attack scenarios across Bitwarden, LastPass, Dashlane and 1Password that could let attackers view or modify vaults, challenging the science of end-to-end encryption and exploiting issues in onboarding, key escrow, and item-level encryption. A notable attack demonstrated is ‘malicious auto-enrolment’ against Bitwarden, which could allow a server-controlled attacker to hijack a vault during organization onboarding. Vendors are patching (Bitwarden, LastPass, Dashlane) while 1Password defends its SRP-based design. The paper recommends stronger authentication, key separation and ciphertext integrity. Users should check remediation status with providers and ask for audits.)