NSSIA: A New Self-Sovereign Identity Scheme with Accountability

Table 1

Notations used in our scheme.

Notations	Description
	Master key
	Public key of entity
	Secret key of entity
	Subkey of entity
	Encrypted subkey of entity
	The number of secure storages is and the corresponding threshold is
	The number of regulatory authorities is and the corresponding threshold is
	XOR operation of and
	Hash operation on
	Use to encrypt
	Use to decrypt
	Use to sign
	Use to verify
	Encrypted identity information