✍️ authn-sign - A simplified browser interface for WebAuthn focused on secp256r1 (P-256).

NIST P-256 signatures for Cortex-M4 microcontrollers

BedWars-PM Plugin For PocketMine

WebAuthn-based DID identity provider for OrbitDB for hardware-secured identity creation, oplog signing and encrypted keystores. Biometric Passkey authentication

Implementação de métodos de encriptação e decriptação homomórfica utilizando a cifra El Gamal sobre curvas elípticas.

Java 25 Threshold Cryptography Lib

ShieldedID is an open-source, zero-knowledge digital identity protocol and developer kit for privacy-preserving verification. Issue credentials, generate proofs, and verify claims without exposing personal data.

An implementation of the Elligator Squared algorithm for NIST P-256.

Browser-based commitment scheme demo — hash commitments, Pedersen commitments, binding and hiding properties, sealed-bid auction, and homomorphic addition. The primitive beneath ZKPs, MPC, and VSS.

Browser-based PKI demo — X.509 certificate chains, trust store validation, CA compromise cascades, Certificate Transparency with Merkle inclusion proofs, and post-quantum migration to ML-DSA.

Hash and signature engine for the Bedrock immutable advice ledger. Computes and verifies record hashes, chain hashes and ECDSA P-256 signatures.

Browser-based elliptic curve demo — point addition, scalar multiplication, and live ECDH across P-256, Curve25519, and secp256k1. Real field arithmetic. No backends. No simulated math.

Strong-ish asymmetric cryptography key generation from a password.

NIST P-256 (secp256r1) ECDH key agreement and ECDSA signature verification in pure Standard ML. Built on sml-bigint, sml-asn1, sml-codec. Pure, dual-compiler.