Libraries tagged by secp256k1

Fast elliptic curve cryptography

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PHP Elliptic Curve Cryptography library

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Pure PHP secp256k1

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PHP Elliptic Curve Cryptography library

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PHP Extension with bindings for bitcoin/secp256k1.

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Phactor is a high-performance PHP implementation of the elliptic curve math functions required to generate & verify private/public (asymmetric) EC keypairs and ECDSA signatures based on secp256k1 curve parameters. This library also includes a class to generate Service Identification Numbers (SINs) based on the published Identity Protocol v1 spec.

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PHP Elliptic Curve Cryptography library

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secp256k1 elliptic-curve arithmetic + RFC 6979 deterministic ECDSA sign / verify / recover in pure PHP on ext-gmp.

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secp256k1_nostr extension for PHP

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Standalone Ethereum / EVM SDK for PHP — Keccak-256, secp256k1 + ECDSA (RFC 6979), RLP, EIP-1559 offline signing, ABI calldata encoder, and an ethers.js-style JSON-RPC client. Umbrella package pulling the full pure-PHP EVM stack.

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EIP-1559 (Type-2) raw transaction assembly + RFC 6979 deterministic ECDSA signing in pure PHP. Address derivation from a secp256k1 private key.

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Native bindings for libsecp256k1

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PHP Elliptic Curve Cryptography library

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Temporary fork of public-square/phpecc

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Ethereum secp256k1 library in PHP.

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