pksig_ps01

Pointcheval-Sanders Signature (PS16) - Known Messages

Authors: D. Pointcheval, O. Sanders

Title: “Short Randomizable Signatures”

Published in: CT-RSA, 2016

Available from: https://eprint.iacr.org/2015/525.pdf

Notes: Section 4 - Signatures over known messages.

Scheme Properties

• Type: signature (public key)

• Setting: bilinear groups (asymmetric)

• Assumption: PS assumption

Implementation

Authors:

Lovesh Harchandani

Date:

6/2018

class pksig_ps01.PS01(groupObj)

Bases: object

Signatures over known messages, section 4 of the paper

static keygen(num_messages=1)

static product(seq)

randomize_sig(sig)

sign(sk, *messages)

verify(pk, sig, *messages)

pksig_ps01.main()