Digital Signature of Message Recovery Based on Self-certified Cryptosystem

Digital signature of message recovery means that a verifier may verify correctness of signature and recover the signed message simultaneously;So the person who signs the message needn't send the signed message to the verifier when he sends a the signature.We propase a digital signature of message recovery based on self-certified cryptosystem,the scheme has the characteristic which the message may recover from the signature;the cost of computation and communication is low;in applications of E-commerce,it has more secure and more practical merits.