Abstract
Using random double circulant codes, we design a rank metric version of Aguilar, Gaborit and Schrek (AGS) identification scheme which is resistant to attacks using quantum computers. We achieve optimum results in different scales comparing public key size, secret key size and communication cost with known identification schemes. Moreover, our protocol is more efficient and practical for different resource constrained devices such as smart cards or Radio Frequency Identification (RFID) tags. Furthermore, using the Fiat-Shamir paradigm, we design an efficient signature scheme.
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