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Earlier sources: Cryptography
This security thread follows cryptography through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗44 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- GitHub · Repository created · First archived
YigitCittan/mongorescue ↗
Self-hosted MongoDB backup and disaster recovery: streaming mongodump to disk or S3, safe-clone restores, encryption, alerts, web dashboard and MCP server. Single Go binary.
- OpenAlex · Published · First archived
RGB-D Image Encryption Using a Hyperchaotic System and Quaternion Gyrator Transform ↗
An RGB-D image encryption scheme is presented by combining a newly constructed 4D-ICTM hyperchaotic system with a reformulated quaternion gyrator transform (QGT). The proposed 4D-ICTM dynamics arise from the nonlinear combination of the ICMIC and Chebyshev maps with the tanh function and modulo operation. Their dynamical and statistical properties are examined using Lyapunov exponents, bifurcation diagrams, histograms, autocorrelation analysis, and correlation-dimension computation. To handle the heterogeneous RGB-D data, a dedicated preprocessing procedure converts the RGB channels and 16-bit…
- arXiv · Published · First archived
Computational Cryptography from Pseudoentanglement ↗
The advent of pseudoentanglement and computational entanglement theory bootstrapped a wave of research at the intersection of computer science and information theory. In parallel, computational cryptography has undergone substantial development, prompted by the introduction of pseudorandom states and followed by the establishment of a baseline for the computational hardness required for quantum cryptography, from which EFI pairs emerge as a central primitive. We study the connection between pseudoentanglement and computational cryptography through EFI pairs. Our goal is to enable the use of re…
- Hacker News · Posted on Hacker News · First archived
Combining Machine Learning and Homomorphic Encryption ↗
Hacker News discussion.
- Hacker News · Posted on Hacker News · First archived
Two-tier encryption in the UK ↗
Hacker News discussion.
- Hacker News · Posted on Hacker News · First archived
Show HN: Air-gapped file encryption as self-decrypting HTML page ↗
Air-gapped file encryption packed into a single, self-decrypting HTML page. Repo: https://github.com/ApelegHQ/ts-cms-ep-sfx I was inspired by self-extracting archives. I wanted to share files with basically no dependencies. The goal was: 1. Something that didn't require any installation (assuming a web browser) 2. Have a single file with no network that could self-decrypt 3. Be fully auditable The second point is done by having (sort of(*)) repro…
- OpenAlex · Published · First archived
A quadratic integer ring-based approach to S-box construction and its integration into a 4D hyperchaotic RGB image encryption scheme ↗
The rapid growth of digital communication, cloud computing, and internet-based services has intensified the need for secure techniques for protecting digital images against increasingly sophisticated cyberattacks. This paper presents a quadratic integer ring-based approach to the construction of substitution boxes (S-boxes) and their integration into a four-dimensional (4D) hyperchaotic (red green blue) RGB image encryption scheme. A systematic algebraic framework over the quadratic integer ring $$\mathbb {Z}[\sqrt{14}]$$ is developed for generating suitable prime elements and constructing mul…
- OpenAlex · Published · First archived
A novel attribute-based searchable encryption scheme with attribute revocation ↗
In this paper, a searchable attribute-based encryption scheme with attribute revocation is proposed to solve the problem of secure data sharing and efficient retrieval in cloud storage. Based on the bilinear pairings construction, the scheme includes five algorithms: system initialization, key generation, data encryption, search and decryption, and attribute revocation, which realizes fine-grained access control and keyword ciphertext search. Through the attribute update key mechanism, the key and ciphertext can bes updated without re-encryption when the user attribute changes. Security analys…
- OpenAlex · Published · First archived
A novel hybrid multilayer hyper chaotic and nonlinear modular encryption algorithm for enhancing the security of multimedia information in IoT video codecs H.264 and H.265 ↗
Several multimedia encryption algorithms suffer from security and performance limitations, including low resistance to cyberattacks, high computational overhead, potential quality degradation, and codec format incompatibility. To address these challenges, we proposed an encryption framework that integrates hybrid multi-layer hyper chaotic modules. The Cross-Coupled Logistic Confusion Engine provides initial masking and high-entropy diffusion, while the Lorenz Chaotic Fusion Scheme enables dynamic 3Dimensional substitution and cross-dimensional diffusion. The Hybrid hyper-chaotic-Based Confusio…
- GitHub · Repository created · First archived
LucasHonoratoDeSouza/Linvesther ↗
Open-source protocol for privacy-preserving, verifiable investment track records. Turn a real track record into public claims anyone can check, without publishing a balance, a position or a trade.
Live window recorded . This is the ingestion observation time, not the publication or discovery date of each source.
How to assess evidence about Cryptography
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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