El lado del mal - Hamming Quasi-Cyclic (HQC-KEM): Nuevo Key-Encapsulation Mechanism en Post-Quantum Cryptography https://www.elladodelmal.com/2025/04/hamming-quasi-cyclic-hqc-kem-nuevo-key.html #PQC #Quantum #PostQuantum #HummingQuasiCiclic #HQC #KEM #Criptografía #Cifrado
Hamming Quasi-Cyclic (HQC-KEM): Nuevo Key-Encapsulation Mechanism en Post-Quantum Cryptography

Blog personal de Chema Alonso (CDO Telefónica, 0xWord, MyPublicInbox, Singularity Hackers) sobre seguridad, hacking, hackers y Cálico Electrónico.

#NIST Selects #HQC as Fifth Algorithm for Post #Quantum #Encryption
HQC is the latest algorithm chosen by NIST’s Post-Quantum Cryptography project, which has overseen efforts since 2016 to head off potential threats from #quantumcomputers. HQC will take its place alongside the four algorithms NIST selected previously. Three of those algorithms have been incorporated into finished standards, including #MLKEM, which forms the core of the standard called #FIPS203.
https://www.hpcwire.com/2025/03/12/nist-selects-hqc-as-fifth-algorithm-for-post-quantum-encryption/
#NIST chose #HQC as their backup KEM and elected not to standardize #ClassicMcElice for now among other reasons pointing to the standardization with #ISO.

The argument to choose HQC over Bike is a higher confidence in IND-CCA-security of HQC. I cannot comment on whether that is a reasonable assessment, though I have no reason to doubt it, but I can say that in terms of reasons to make a choice this is of course a pretty good one.

I’m not sure how I think about the decision regarding McElice, but I can to an extend see where they are coming from.

This means there are now
9 post quantum algorithms approved, standardized or chosen for standardization by generally respected organizations:

Key Encapsulation Mechanisms (“KEMs”):

* ML-KEM (“Kyber”), based on Lattices, standardized by NIST

* HQC, based on Codes, chosen for standardization by NIST

* Classic McElice, based on codes, approved by BSI (de), ANSSI(fr), and NCSC (nl)

* Frodo, based on lattices, approved by BSI (de), ANSSI(fr), and NCSC (nl)

Signatures:

* ML-DSA (“Dilithium”), based on Lattices, standardized by NIST

* SLH-DSA (“SPHINCS+”), based on hashes, standardized by NIST

* FN-DSA (“Falcon”), based on lattices, chosen for standardization by NIST

Stateful Signatures:

* XMSS, based on hashes, standardized by IEEE

* LMS, based on hashes, standardized by IEEE

Overall, this looks like a decent portfolio. Future standardization might add schemes based on multivariate-equations and isogonies, but for now this should do and give us a basis from which we can design more efficient schemes without being to concerned about the entire ground suddenly giving in because one random guy/gal finds a new attack-vector.

#postquantumcryptography #PQC #PQCrypto
NIST Selects HQC as Fifth Algorithm for Post-Quantum Encryption

The new algorithm will serve as a backup for the general encryption needed to protect data from quantum computers developed in the future

NIST

I had the pleasure to contribute to the #USENIX2024 paper "Divide and Surrender", recovering the full secret key from the reference implementation of the HQC Key Encapsulation Mechanism, exploiting a timing side channel arising from non-constant-time modulo operations.
Thanks to Robin Leander Schröder and Qian Guo for this opportunity and congratulations to Robin Leander Schröder for getting his first paper accepted at USENIX Security!

You can read the full paper here: https://stefangast.eu/papers/divide_and_surrender.pdf

#divideandsurrender #hqc #sidechannel #postquantumcrypto #usenixsecurity

"Nearly 17,000 people across six countries may have died because they took hydroxychloroquine (HQC) during the first wave of COVID-19 in 2020, according to a new analysis published by French researchers.

"Trump repeatedly promoted the drug, touting hydroxychloroquine and a related drug called chloroquine as a possible 'miracle.'

"'What do you have to lose? Take it,' Trump said during one of the White House coronavirus briefings."
https://thehill.com/policy/healthcare/4389800-hydroxychloroquine-deaths-study/

#HQC #TiredOfWinning #covid

Nearly 17,000 people may have died from hydroxychloroquine: study

Nearly 17,000 people across six countries may have died because they took hydroxychloroquine (HQC) during the first wave of COVID-19 in 2020, according to a new analysis published by French researc…

The Hill

𝑀𝑎́𝑦 𝑝ℎ𝑎́𝑡 đ𝑖𝑒̣̂𝑛 𝑐𝑜̂𝑛𝑔 𝑛𝑔ℎ𝑖𝑒̣̂𝑝 𝑐𝑎𝑜 𝑐𝑎̂́𝑝 𝐻𝑄𝐶𝑃𝑂𝑊𝐸𝑅

HQCPOWER - Nhà phân phối máy phát điện Trung Quốc cao cấp, HQC cung cấp và lắp đặt máy phát điện Cummins China, Doosan Hàn Quốc với mức giá 1.5-2triệu/1kVA
Truy cập: https://www.flickr.com/people/mayphatdiencongnghiepcaocap/
#HQC
#HQCPower
Website: https://hqcpower.vn/

Máy phát điện công nghiệp Cao cấp - HQCPOWER

HQCPOWER - Là nhà phân phối máy phát điện Trung Quốc cao cấp, HQC cung cấp và lắp đặt máy phát điện Cummins China, Doosan Hàn Quốc với mức giá 1.5-2 triệu/1kVA Thông tin Website: - Website: hqcpower.vn/ CÔNG TY CP CÔNG NGHIỆP HQC - VPGD: Tầng 5 tòa nhà Bắc Hà, 15 Tố Hữu, quận Thanh Xuân, TP. Hà Nội - Hồ Chí Minh: Số 3, Đường 54, P.Thảo Điền, Quận 2, TP.HCM - Nhà xưởng: KCN Ngọc Hồi, huyện Thanh Trì, Hà Nội - Gọi mua hàng 0902 885 686 - Gọi bảo hành 0968 089 997 - Gọi hành chính 0973 839 626

Flickr

HQCPOWER - nhà phân phối máy phát điện Trung Quốc cao cấp

Truy cập: https://myspace.com/hqcpower

Website: https://hqcpower.vn/

#HQC

#HQCPower

Máy phát điện công nghiệp cao cấp - HQCPOWER (hqcpower) on Myspace

Máy phát điện công nghiệp cao cấp - HQCPOWER (hqcpower)'s profile on Myspace, the place where people come to connect, discover, and share.

Myspace
HQCPOWER - Là nhà phân phối máy phát điện Trung Quốc cao cấp
Truy cập: https://padlet.com/HQCPOWER/mayphatdientrungquoccaocapHQCpower
Website: https://hqcpower.vn/
#HQC
#HQCPOWER

HQCPOWER - Là nhà phân phối máy phát điện Trung Quốc cao cấp, HQC cung cấp và lắp đặt máy phát điện Cummins China, Doosan Hàn Quốc với mức giá 1.5-2 triệu/1kVA

Truy cập: https://getpocket.com/@mayphatdientrungquoc

#HQC

#HQCpower

Phân Phối Máy Phát Điện Trung Quốc Cao Cấp - HQCPOWER on Pocket

HQCPOWER - Là nhà phân phối máy phát điện Trung Quốc cao cấp, HQC cung cấp và lắp đặt máy phát điện Cummins China, Doosan Hàn Quốc với mức giá 1.5-2 triệu/1kVA