KSeFSigner is an unofficial .NET 8 workaround for signing XML documents (AuthTokenRequest) in XAdES-BES format for KSeF API 2.0 (Polish National e-Invoicing System). Addresses the ECDSA-SHA256 support gap in .NET 8. Works with UiPath Windows projects
csharpcertificatesxadesxades-besecdsa-cryptographyxml-signatureuipathuipathstudioecdsa-signaturesuipath-rpaksefnet-8uipath-libdotnet-8-windowsksef-xmlksef-apiecdsa-sha256-registrationsystem-security-cryptographysystem-security-cryptography-xmlksef-xml-sign
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Updated
Jun 5, 2026 - C#