A Novel Security Scheme Supported by Certificateless Digital Signature and Blockchain in Named Data Networking

Table 1

Notations and descriptions.

Notations	Descriptions
Interest packet	The packet that sent by a consumer to request data according to the data name in NDNs
Data packet	The packet that sent by a data provider (including a producer and an ISE) to rely on the Interest packet with the data content
Params	Public parameters used in CL-PKC
ID	Producer’s identity
DA	Secret value
XA	Producer’s privacy value
SA	Producer’s partial private key
PA	Producer’s partial public key
PK	Producer’s public key
SK	Producer’s private key
PKI	Domain public key
SKI	Domain private key
,	Signature
m	Message