Libraries tagged by digital signature

Pure PHP implementation of libsodium; uses the PHP extension if it exists

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

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Sign XML Documents with Digital Signatures

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Laravel package for of E-Signature with Signature Pad and Digital Certified Sign with TCPDF

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A PHP library for signing XML documents using digital signatures

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Json Web Signature (JWS) PHP implementation

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

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Sign and verify PSR-7 HTTP messages with HMAC and RSA keys

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Zoho Sign's v1 api wrapper SDK in PHP

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PHP implementation of minisign, based on libsodium

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Create ASIC-E digital signature containers and add XAdES signatures to the container. Helper SDK for eID Easy API-s.

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QCubed wrapper for the HTML5 canvas based smooth signature drawing http://szimek.github.io/signature_pad/.

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Digital signature Nova field.

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Very light weight PHP API for email sending and digital signing covering most important parts of RFC-4021 & RFC-6376 specs

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