A Secure Ciphertext Self-Destruction Scheme with Attribute-Based Encryption

Table 1

Comparisons of security properties.

Characteristics	Scheme
	SCSD	Reference [5]	Reference [6]
Key destruction	√	√	√
Ciphertext destruction	√	×	√
Cryptanalysis attack resistance	√	×	√
Brute-force attack resistance	√	×	√
Sybil attack resistance	√	×	×
Asymmetric encryption	√	×	×
Fine-grained access control	√	×	×
Simple key management	√	×	×