Libraries tagged by ECDSA

fast openSSL-compatible implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA)

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ECDSA Based Signature Algorithms the JWT Framework.

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Fast elliptic curve cryptography

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PHP Elliptic Curve Cryptography library

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PHP library allowing to generate BTC addresses from private keys

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PHP Elliptic Curve Cryptography library

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PHP wrapper around OpenSSL extension providing SSL encoding, decoding, parsing and signing features

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Let's Encrypt client written in PHP

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

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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 Extension with bindings for bitcoin/secp256k1.

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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 Elliptic Curve Cryptography library

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ECDSA signature value object with DER/JWS raw format conversion and curve-order validation. For Cloud KMS/HSM-based JWT signing where OpenSSL/KMS returns DER but JWT (RFC 7518) requires raw format.

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Sign and verify DSSE (Dead Simple Signing Envelope) payloads in PHP, with pluggable keys

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