Libraries tagged by usb token

One interface for tax-authority e-invoicing: sign every invoice and submit it. Install the core, then only the authority you need (ZATCA, Egypt ETA...). The signing key is pluggable: software key, USB token or cloud HSM.

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A KeySource for hamada-emam-tech/einvoice that signs with a USB token or HSM through the local Signing Agent (PKCS#11). Use it with einvoice-eta for Egypt's ETA.

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Egypt ETA eInvoicing for hamada-emam-tech/einvoice: the v1.0 JSON document, ETA's canonical serialization, the CAdES-BES signature (works with USB tokens through any KeySource), batch submission, status, cancel and reject.

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PKCS#11 signer for dskripchenko/php-pdf: sign PDFs (PAdES: RSA, ECDSA and GOST R 34.10-2012) with a key held by an HSM, a smart card or a USB token, through the php-pkcs11 extension.

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Standalone PDF digital-signature library for PHP — PAdES & CMS signing with a PFX/PEM file, USB tokens (PKCS#11), the Windows certificate store and Indian eSign (CCA); RFC-3161 timestamps, long-term validation (LTV) and a green-tick verified-signature appearance that Adobe shows as valid. Zero dependencies.

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