Cryptology ePrint Archive: Report 2005/434

Prompted User Retrieval of Secret Entropy: The Passmaze Protocol

Daniel R. L. Brown

Abstract: A prompting protocol permits users to securely retrieve secrets with greater entropy than passwords. The retrieved user secrets can have enough entropy to be used to derive cryptographic keys.

Category / Keywords: cryptographic protocols / passwords, entropy, secrets,

Date: received 28 Nov 2005, last revised 23 Dec 2005

Contact author: dbrown at certicom com

Available format(s): PDF | BibTeX Citation

Note: Minor clarifications and corrections.

Version: 20051223:153113 (All versions of this report)

Short URL:

[ Cryptology ePrint archive ]