aggrsign_MuSig

MuSig: Key Aggregation for Schnorr Signatures (MuSig)

Authors: Gregory Maxwell, Andrew Poelstra, Yannick Seurin, Pieter Wuille

Title: “Simple Schnorr Multi-Signatures with Applications to Bitcoin”

Published in: ePrint Archive, 2018

Available from: https://eprint.iacr.org/2018/068

Notes: Designed for Bitcoin multi-signature applications

Scheme Properties

• Type: aggregate signature (Schnorr-based)

• Setting: elliptic curve groups

• Assumption: DL

Implementation

Authors:

Lovesh Harchandani

Date:

6/2018

class aggrsign_MuSig.MuSig(groupObj)

Bases: object

static aggregate_nonce(g, nonces)

static aggregate_sigs(signatures)

static aggregated_pub_key(pub_keys)

static compute_challenge(aggregated_pub_key, aggregate_nonce, message)

static dump(obj)

static hash_pub_keys(pub_keys)

keygen(g, secparam=None)

static new_nonce()

static product(seq)

sign(nonce, sk, pk, challenge, all_pub_keys)

verify(pub_keys, sig, message)

aggrsign_MuSig.main()