Research Article
SPCABS: Signature-Policy Comparable Attribute-Based Signatures
Table 1
Summary of existing works.
| Scheme | Access structure | Type | Assumption | Model |
| Maji et al. [1] | LSSS | KP | CDH | GGM | Jin and Kim [2] | Threshold | KP | CDH | ROM | Jin et al. [3] | Threshold | SP | CDH | ROM&SM | Shahandashti and Safavi-Naini [4] | Threshold | KP | CDH | SM | Gagné et al. [5] | Threshold | KP | CDH | ROM | Maji et al. [6] | Threshold | SP | CDH&DLIN | GGM | Gu et al. [7] | LSSS | SP | CDH | SM | Okamoto and Takashima [8] | Threshold | KP | DLIN | GGM | Okamoto and Takashima [9] | LSSS | SP | DLIN | GGM | Herranz et al. [10] | Threshold | SP | DLIN | GGM | Chen et al. [11] | LSSS | SP | CDHE | ROM | Su et al. [12] | Threshold | SP | CDH | ROM | Wang and Chen [13] | Threshold | SP | SIS | ROM | Escala et al. [14] | LSSS | SP | SIS | SM | Tang et al. [15] | Circuit | KP | MCDH | ROM | Sakai et al. [16] | Circuit | KP | CDH | ROM | Kaafarani and Ghadafi [17] | Circuit | SP | DDH | GGM | Datta et al. [18] | LSSS | SP | DLIN | SM | Cao et al. [19] | Threshold | SP | CDH | SM | Cao et al. [20] | Threshold | KP | CDH | ROM | El Kaafarani et al. [21] | LSSS | SP | DDH | ROM | Okamoto and Takashima [22] | LSSS | SP | DLIN | ROM | El Kaafarani et al. [23] | LSSS | SP | DLIN&CDH | ROM&SM | Ghadafi [24] | LSSS | SP | DDH&DLIN | SM |
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LSSS = linear secret sharing scheme, SP=signature-policy, KP=key-policy, DLIN = decisional linear assumption, SIS=short integer solution, CDH=computational Diffie–Hellman assumption, MCDH = multilinear CDH, DDH = decisional DH, CDHE=computational Diffie–Hellman exponent assumption, GGM = generic group model, ROM = random oracle model, and SM=standard model.
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