Libraries tagged by eSignature

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

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A PHP library for signing XML documents using digital signatures

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An SDK for using eBay's APIs that require a digital signature

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Sign and verify HTTP messages

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Middleware to sign request for AWS API

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None Signature Algorithm the JWT Framework.

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EdDSA Signature Algorithm the JWT Framework.

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HMAC-SHA authentication

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A PHP library for JSON web tokens (JWT) with signature (JWS) and encryption (JWE) support.

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A PHP library of various ASN.1 types for cryptographic applications.

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This is for paytm checksum creation and verification in PHP

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A PHP to create and verify XAdES signature

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Open-source PHP library for PDF digital signing with multiple signatures, RFC3161 timestamping, PAdES profiles, and PDF protection

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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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The most advanced, driver-based PDF manipulation library for PHP v3.0. Supports Ghostscript, Chrome Headless (HTML to PDF), OpenSSL/FPDI (Signing), and PDFtk (Forms).

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