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Bibliographic Details
Main Author:	Kherraz, Houssam
Format:	Preprint
Published:	2025
Subjects:	Cryptography and Security Artificial Intelligence
Online Access:	https://arxiv.org/abs/2504.13205
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Generative Models are Self-Watermarked: Declaring Model Authentication through Re-Generation
by: Desu, Aditya, et al.
Published: (2024)

SoK: How Robust is Audio Watermarking in Generative AI models?
by: Wen, Yizhu, et al.
Published: (2025)

SoK: Watermarking for AI-Generated Content
by: Zhao, Xuandong, et al.
Published: (2024)

Addressing Weak Authentication like RFID, NFC in EVs and EVCs using AI-powered Adaptive Authentication
by: Okoye, Onyinye
Published: (2025)

Challenges in GenAI and Authentication: a scoping review
by: Bezerra, Wesley dos Reis, et al.
Published: (2025)

Watermarking across Modalities for Content Tracing and Generative AI
by: Fernandez, Pierre
Published: (2025)

The Coding Limits of Robust Watermarking for Generative Models
by: Francati, Danilo, et al.
Published: (2025)

CODE ACROSTIC: Robust Watermarking for Code Generation
by: Lin, Li, et al.
Published: (2025)

InvisMark: Invisible and Robust Watermarking for AI-generated Image Provenance
by: Xu, Rui, et al.
Published: (2024)

Your Semantic-Independent Watermark is Fragile: A Semantic Perturbation Attack against EaaS Watermark
by: Fei, Zekun, et al.
Published: (2024)

A Survey of Fragile Model Watermarking
by: Gao, Zhenzhe, et al.
Published: (2024)

Is Your Writing Being Mimicked by AI? Unveiling Imitation with Invisible Watermarks in Creative Writing
by: Zhang, Ziwei, et al.
Published: (2025)

Learning to Watermark: A Selective Watermarking Framework for Large Language Models via Multi-Objective Optimization
by: Wang, Chenrui, et al.
Published: (2025)

Technical Evaluation of a Disruptive Approach in Homomorphic AI
by: Filiol, Eric
Published: (2025)

Securing the AI Frontier: Urgent Ethical and Regulatory Imperatives for AI-Driven Cybersecurity
by: Kulothungan, Vikram
Published: (2025)

Marking Code Without Breaking It: Code Watermarking for Detecting LLM-Generated Code
by: Kim, Jungin, et al.
Published: (2025)

Watermarking Techniques for Large Language Models: A Survey
by: Liang, Yuqing, et al.
Published: (2024)

Modification and Generated-Text Detection: Achieving Dual Detection Capabilities for the Outputs of LLM by Watermark
by: Cai, Yuhang, et al.
Published: (2025)

RTLMarker: Protecting LLM-Generated RTL Copyright via a Hardware Watermarking Framework
by: Wang, Kun, et al.
Published: (2025)

Detecting Benchmark Contamination Through Watermarking
by: Sander, Tom, et al.
Published: (2025)

Sequential Behavioral Watermarking for LLM Agents
by: An, Hyeseon, et al.
Published: (2026)

Probabilistically Robust Watermarking of Neural Networks
by: Pautov, Mikhail, et al.
Published: (2024)

PASA: A Principled Embedding-Space Watermarking Approach for LLM-Generated Text under Semantic-Invariant Attacks
by: Ai, Zhenxin, et al.
Published: (2026)

Character-Level Perturbations Disrupt LLM Watermarks
by: Zhang, Zhaoxi, et al.
Published: (2025)

Watermark Overwriting Attack on StegaStamp algorithm
by: Serzhenko, I. F., et al.
Published: (2025)

LLM Watermark Evasion via Bias Inversion
by: Hwang, Jeongyeon, et al.
Published: (2025)

Asking Back: Interaction-Layer Antidistillation Watermarks
by: Yang, Guang, et al.
Published: (2026)

Multi-Designated Detector Watermarking for Language Models
by: Huang, Zhengan, et al.
Published: (2024)

Functional Subspace Watermarking for Large Language Models
by: Ding, Zikang, et al.
Published: (2026)

Machine Learning Algorithms In User Authentication Schemes
by: Pryor, Laura, et al.
Published: (2021)

RAG-WM: An Efficient Black-Box Watermarking Approach for Retrieval-Augmented Generation of Large Language Models
by: Lv, Peizhuo, et al.
Published: (2025)

Invisible Image Watermarks Are Provably Removable Using Generative AI
by: Zhao, Xuandong, et al.
Published: (2023)

CEFW: A Comprehensive Evaluation Framework for Watermark in Large Language Models
by: Zhang, Shuhao, et al.
Published: (2025)

TokenMark: A Modality-Agnostic Watermark for Pre-trained Transformers
by: Xu, Hengyuan, et al.
Published: (2024)

A Survey of Threats Against Voice Authentication and Anti-Spoofing Systems
by: Kamel, Kamel, et al.
Published: (2025)

Sandcastles in the Storm: Revisiting the (Im)possibility of Strong Watermarking
by: Harel-Canada, Fabrice Y, et al.
Published: (2025)

The Feasibility of Topic-Based Watermarking on Academic Peer Reviews
by: Nemecek, Alexander, et al.
Published: (2025)

ChainMarks: Securing DNN Watermark with Cryptographic Chain
by: Choi, Brian, et al.
Published: (2025)

Robust Client-Server Watermarking for Split Federated Learning
by: Tang, Jiaxiong, et al.
Published: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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