# Standards and References - Zero-Knowledge Proof for Authentication ## Academic References ### Schnorr Identification Protocol - **Paper**: "Efficient Signature Generation by Smart Cards" (Claus-Peter Schnorr, 1989) - **Standard**: ISO/IEC 9798-5 (Entity authentication using zero-knowledge techniques) ### Fiat-Shamir Heuristic - **Paper**: "How To Prove Yourself" (Fiat, Shamir, 1986) - **Description**: Converts interactive ZKP to non-interactive using hash function ### RFC 8235 - Schnorr Non-Interactive Zero-Knowledge Proof - **URL**: https://www.rfc-editor.org/rfc/rfc8235 - **Description**: Standardized Schnorr NIZKP ### RFC 5054 - SRP (Secure Remote Password) - **URL**: https://www.rfc-editor.org/rfc/rfc5054 - **Description**: Zero-knowledge password authentication protocol ## Python Libraries ### py-ecc - **URL**: https://github.com/ethereum/py_ecc - **Description**: Elliptic curve operations for ZKPs ### cryptography - **URL**: https://cryptography.io/ - **Description**: Hash functions, modular arithmetic support