145 matches found
A Tertiary Review on Quantum Cryptography
Quantum computers impose an immense threat to system security. As a countermeasure, new cryptographic classes have been created to prevent these attacks. Technologies such as post-quantum cryptography and quantum cryptography. Quantum cryptography uses the principle of quantum physics to produce...
On the Intractability of Chaotic Symbolic Walks: toward a Non-Algebraic Post-Quantum Hardness Assumption
Most classical and post-quantum cryptographic assumptions, including integer factorization, discrete logarithms, and Learning with Errors LWE, rely on algebraic structures such as rings or vector spaces. While mathematically powerful, these structures can be exploited by quantum algorithms or...
Energy Consumption Framework and Analysis of Post-Quantum Key-Generation on Embedded Devices
The emergence of quantum computing and Shor's algorithm necessitates an imminent shift from current public key cryptography techniques to post-quantum robust techniques. NIST has responded by standardising Post-Quantum Cryptography PQC algorithms, with ML-KEM FIPS-203 slated to replace ECDH...
Network-Wide Quantum Key Distribution with Onion Routing Relay
The advancement of quantum computing threatens classical cryptographic methods, necessitating the development of secure quantum key distribution QKD solutions for QKD Networks QKDN. In this paper, a novel key distribution protocol, Onion Routing Relay ORR, that integrates onion routing OR with...
Network-Wide Quantum Key Distribution with Onion Routing Relay (Conference Version)
The advancement of quantum computing threatens classical cryptographic methods, necessitating the development of secure quantum key distribution QKD solutions for QKD Networks QKDN. In this paper, a novel key distribution protocol, Onion Routing Relay ORR, that integrates onion routing OR with...
Applied Post Quantum Cryptography: a Practical Approach for Generating Certificates in Industrial Environments
The transition to post-quantum cryptography PQC presents significant challenges for certificate-based identity management in industrial environments, where secure onboarding of devices relies on long-lived and interoperable credentials. This work analyzes the integration of PQC into X.509...
Complexity of Post-Quantum Cryptography in Embedded Systems and Its Optimization Strategies
With the rapid advancements in quantum computing, traditional cryptographic schemes like Rivest-Shamir-Adleman RSA and elliptic curve cryptography ECC are becoming vulnerable, necessitating the development of quantum-resistant algorithms. The National Institute of Standards and Technology NIST ha...
Post Quantum Cryptography (PQC) Signatures without Trapdoors
Some of our current public key methods use a trap door to implement digital signature methods. This includes the RSA method, which uses Fermat's little theorem to support the creation and verification of a digital signature. The problem with a back-door is that the actual trap-door method could, ...
A Unified Hardware Accelerator for Fast Fourier Transform and Number Theoretic Transform
The Number Theoretic Transform NTT is an indispensable tool for computing efficient polynomial multiplications in post-quantum lattice-based cryptography. It has strong resemblance with the Fast Fourier Transform FFT, which is the most widely used algorithm in digital signal processing. In this...
Google Cloud KMS Adds Quantum-Safe Digital Signatures to Defend Against Future Threats
Google Cloud has announced quantum-safe digital signatures in Google Cloud Key Management Service Cloud KMS for software-based keys as a way to bulletproof encryption systems against the threat posed by cryptographically-relevant quantum computers. The feature, currently in preview, coexists with...
CVE-2024-54137
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...
CVE-2024-54137
CVE-2024-54137 affects liboqs HQC KEM. A correctness error in the HQC decapsulation path caused part of the secret key to be treated as non-secret, resulting in an incorrect shared secret when decapsulating malformed ciphertexts. The fix is implemented in liboqs 0.12.0, as referenced by multiple ...
CVE-2024-54137 liboqs has a correctness error in HQC decapsulation
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...
Google Chrome Switches to ML-KEM for Post-Quantum Cryptography Defense
Google has announced that it will be switching from KYBER to ML-KEM in its Chrome web browser as part of its ongoing efforts to defend against the risk posed by cryptographically relevant quantum computers CRQCs. "Chrome will offer a key share prediction for hybrid ML-KEM codepoint 0x11EC," David...
CVE-2024-37305 Buffer overflow in deserialization in oqs-provider
oqs-provider is a provider for the OpenSSL 3 cryptography library that adds support for post-quantum cryptography in TLS, X.509, and S/MIME using post-quantum algorithms from liboqs. Flaws have been identified in the way oqs-provider handles lengths decoded with DECODEUINT32 at the start of...
CVE-2024-37305 Buffer overflow in deserialization in oqs-provider
oqs-provider is a provider for the OpenSSL 3 cryptography library that adds support for post-quantum cryptography in TLS, X.509, and S/MIME using post-quantum algorithms from liboqs. Flaws have been identified in the way oqs-provider handles lengths decoded with DECODEUINT32 at the start of...
CVE-2024-37305
CVE-2024-37305 affects the oqs-provider (OpenSSL 3 post-quantum provider) where lengths decoded with DECODE_UINT32 at the start of serialized hybrid keys/signatures are unchecked, enabling out-of-bounds memory reads/writes that can crash or leak information. The issue does not affect plain/non-hy...
SUSE CVE-2024-36405
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A control-flow timing lean has been identified in the reference implementation of the Kyber key encapsulation mechanism when it is compiled with Clang 15-18 for -Os, -O1, and other...
CVE-2024-36405
CVE-2024-36405 affects the liboqs reference Kyber KEM implementation. A control-flow timing leak arises when the Kyber KEM is compiled with Clang 15–18 under certain options (including -Os and -O1), enabling a local attacker to measure decapsulation timings and recover the entire ML-KEM 512 secre...
