protocol_ao00

Abe-Okamoto Partially Blind Signature Scheme (AO00)

Authors: Masayuki Abe, Tatsuaki Okamoto

Title: “Provably Secure Partially Blind Signatures”

Published in: CRYPTO 2000

Available from: http://www.iacr.org/archive/crypto2000/18800272/18800272.pdf

Notes: Interactive partially blind signature protocol

Scheme Properties

• Type: partially blind signature

• Setting: integer groups

• Assumption: DL

Implementation

Authors:

Antonio de la Piedra

Date:

12/2013

class protocol_ao00.AOSig(groupObj, p=0, q=0, secparam=0)

Bases: Protocol

signer_state1()

signer_state3(input)

signer_state5(input)

user_state2(input)

user_state4(input)

user_state6(input)

protocol_ao00.SHA2(bytes1)