Libraries tagged by EdDSA

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

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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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PHP Bitcoin library with functions for transactions, signatures, serialization, Random/Deterministic ECDSA keys, blocks, RPC bindings

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PHP Bitcoin library with functions for transactions, signatures, serialization, Random/Deterministic ECDSA keys, blocks, RPC bindings

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PHP Bitcoin library with functions for transactions, signatures, serialization, Random/Deterministic ECDSA keys, blocks, RPC bindings

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Spec-compliant Universal Commerce Protocol (UCP) profile generator for Magento 2. Generates /.well-known/ucp at protocol version 2026-04-08 with ECDSA P-256 signing keys, declared capabilities, and proper cache headers.

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A drop-in class that magically manages Easy Digital Downloads Software Licensing for plugins and themes.

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ECDSA signers for lcobucci/jwt

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PHP Elliptic Curve Cryptography library

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PHP Elliptic Curve Cryptography library

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Pure-PHP SSHSIG signing and verification, compatible with ssh-keygen -Y

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A PHP wrapper around the OpenSSL extension that provides a user-friendly interface for dealing with OpenSSL

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Temporary fork of public-square/phpecc

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A PHP library to check IP against SPAM list (DNSRbl by default)

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