On the Security of a Certificateless Strong Designated Verifier Signature Scheme

On the Security of a Certificateless Strong Designated Verifier Signature Scheme
Third National Conference on Computer Engineering, Information Technology and Data Processing
Tehran
تاریخ کنفرانس: 
چهارشنبه - ۳۰ آبان ۱۳۹۷ تا پنجشنبه - ۰۱ آذر ۱۳۹۷
مؤسسه برگزارکننده: 
چکیده

Recently, Chen et al.‎ proposed the first non-delegatable certificateless strong designated verifier signature scheme and claimed that their scheme achieves all security requirements.‎ However, in this paper, we disprove their claim and present a concrete attack which shows that their proposed scheme is  forgeable.‎ More precisely, we show that there exist adversaries who are able to forge any signer's signature for any designated verifier on any message of his choice.‎

استناد: 

Pakniat, Nasrollah.‎ 2018.‎ On the Security of a Certificateless Strong Designated Verifier Signature Scheme. Paper Presented in Third National Conference on Computer Engineering, Information Technology and Data Processing, Tehran.‎

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