Abstract
AbstractIn 2012, Lv et al. proposed a new three-party authenticated key exchange (3PAKE) protocol using one-time key which aims to achieve more efficiency with the same security level of other existing 3PAKE protocols. Lv et al. claimed that their proposed 3PAKE protocol is secure against various known attacks. However, this paper points out Lv et al.’s 3PAKE protocol is still vulnerable to off-line dictionary attacks unlike their claim.KeywordsAuthentication3PAKEDictionary attacksOne-time keyNetwork securityCryptography
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