p256

Audited & minimal JS implementation of elliptic curve cryptography.

Hierarchical Threshold Signature Scheme

P256 signature verification solidity contract

Multi-provider digital signature library for Rust

A pure solidity implementation of elliptic curve math, parameterised for curve secp256r1 / prime256v1 / p256.

P256 (a.k.a. secp256r1 elliptic curve) signature verification 🐍Vyper contract.

contains some tests to recover and signatures of different ECs using solidity

A Swift library providing cryptographic utilities for the AT Protocol.

Secure crypto wallet for AI agents. Hardware-isolated keys (Apple Secure Enclave), ERC-4337 smart wallet, on-chain spending caps, default-deny policy engine.

7702 Account with Passkeys

Batch verification of ECDSA Signatures using Randomizers for the P-256 curve

Abstracted prime-order elliptic curve groups in Go.

A rust re-implementation of Emill/P256-Cortex-M4

TypeScript implementation of FROST (RFC 9591) threshold signatures. Supporting Ed25519, secp256k1, P-256, Ristretto255, Ed448, and Taproot.

Real hardware Secure Enclave for the iOS, watchOS Simulator

zk-ECDSA signatures in circom for the P256 curve for the Nova proof system

Autonomous agentic wealth infrastructure and modular smart accounts (ERC-7579 / ERC-4337) with on-chain tether guard leashes, WebAuthn P-256 biometric passkeys, and multi-chain arbitrage.

AES-256 (CBC + GCM-SIV) and ECDSA P-256 cryptography suite for the Commodore 64 in 6502 assembly

Pure-Dart post-quantum & classical hybrid crypto for Dart, Flutter, and Serverpod. Practical workflows using ML-KEM, ML-DSA, and SLH-DSA layered over X25519, Ed25519, and ECDSA-P256. Features hardware-accelerated AES-256-GCM and ChaCha20-Poly1305 AEAD engines, KEM-DEM envelopes, gigabyte-scale streaming, and an integrated CLI. Full multi-plat tool.

Privacy-preserving Android device discovery and spatial connectivity foundation with BLE, cryptographic device identity, and offline-first architecture.