Apparatus and method for generating and verifying id-based blind signature by using bilinear parings

According to aid the signer, a verifier, the trusted authority, and personal identification information based proxy signature apparatus and method of the proxy signer using a bilinear pair having a participant, the trusted authority generates system parameters, and select a master key. Trusted authority generates a respective public key and a private key using the aid signer and the proxy signer each of personally identifiable information. Trust authority shall transmit to each of the private key of the signer and the proxy system parameters and help reveal the value of the public, including the public key of the signer, the signer and the proxy signer aid through secure channels. The aid signer, signer and verification proxy receives and stores the public value and aid signer receives and stores the private key of the signer aid. Aid signer calculates a value for verifying the validity of the signature of the signed certificate and the generated certificate signature and sends to the proxy signer. Proxy signer generates the substitute signature key to validate the signature of the signed certificate. The proxy signer is a proxy signature for the message entrusted by the proxy signature key and verification to verify the validity of the proxy signature.