eupassarin 

Core cryptographic primitives, certificate management, timestamping, and revocation checking for the SimpleSign digital signature framework.

PDF structure parsing and signature field extraction for the SimpleSign digital signature framework.

Sign, validate, and inspect PDF digital signatures (PAdES ETSI EN 319 142). Supports B-B, B-T, B-LT, B-LTA conformance levels. Fluent async API. No BouncyCastle — uses only System.Security.Cryptography. Native... More information

Brazilian extensions for SimpleSign: ICP-Brasil chain validation, Gov.br trust anchors, and Advanced Electronic Signature (AEA) per Lei 14.063/2020.

Meta-package that includes all SimpleSign digital signature capabilities: PAdES (PDF) and CAdES signing and validation.

Pure .NET HTML-to-PDF converter for structured documents. Zero browser dependency. Supports headings, tables, lists, images, and basic CSS. Integrates with SimpleSign signing pipeline.

SimpleSign CLI — sign, validate, and inspect PDF and CAdES digital signatures from the terminal.

Create and validate standalone CAdES digital signatures (ETSI EN 319 122). Supports B-B, B-T, B-LT, and B-LTA conformance levels. No BouncyCastle — uses only System.Security.Cryptography. Native AOT... More information

Create and validate XAdES digital signatures (ETSI EN 319 132). Supports B-B, B-T, B-LT, and B-LTA conformance levels for XML documents. Uses System.Security.Cryptography and System.Security.Cryptography.Xml.