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Cryptanalysis of LC-MUME: a Lightweight Certificateless Multi-User Matchmaking Encryption for Mobile Devices

🗓️ 30 Jul 2025 00:00:00Reported by Ramprasad SarkarType 
packetstormnews
 packetstormnews🔗 packetstorm.news👁 3 Views

Cryptanalysis shows LC-MUME fails EUF-CMA in the random oracle model; a Type-I adversary can forge ciphertext without the sender's full private key; proposes improvements.

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30 Jul 2025 00:00Current
6.9Medium risk
Vulners AI Score6.9
cryptanalysislightweightcertificatelessmulti usermatchmaking encryptionexistential unforgeabilityrandom oracle modelsecurity flaw
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