Digital Signature Algorithms

SafeKuvert is a computer application that provides the user with the ability to encrypt, digitally sign, compress, and/or securely delete files from the hard disk. It uses the Public Key Infrastructure (PKI) built into Windows, standard X-509 certificates from any source including Active...

Perfect PDF 6 Professional is a powerful software for all tasks concerning the PDF and XPS file formats. Conversion of documents into PDF files, changing of properties, content editing, document commenting, designing, protecting and digital signing, creating and filling out forms and much more is...

E-Lock ProSigner is a easy to use electronic signature software for applying legally enforceable eSignature onto any electronic document. It integrates with MS Word, Excel and Adobe PDF which enables users to sign from within these application.imageSigner Add-On also allows the users to sign TIFF...


Platforms: Windows, Other

TrustPort eSign Pro is an ideal lightweight solution for credible and discreet exchange of electronic documents. Its main functions are electronic signing, time stamping, and encryption. Time stamping provides an undisputable verification of the time when the document was signed. Signing and...


Platforms: Windows

Perfect PDF 7 Editor is a powerful software for all PDF and XPS editing tasks. Conversion of documents into PDF and XPS files, properties changing, content editing, document annotation, design, protect and digital signing, creating and filling out forms create PDF directly from scanner or web-cam...


Platforms: Windows

Converts any printable file into a PDF. Perfect PDF 7 Converter includes integration into Windows Explorer, Microsoft Office, OpenOffice.org, Internet Explorer, Mozilla Firefox and Thunderbird. From within these applications, you can generate PDF files with just one click. You can also...


Platforms: Windows

Perfect PDF 8 Premium is a powerful software for all tasks concerning the PDF and XPS file formats. Conversion of documents into PDF files, changing of properties, content editing, document commenting, designing, protecting and digital signing, creating and filling out forms and much more is...


Platforms: Windows

Completely free PDF creator with multiple digital signing and trusted time-stamping. Easily create an Adobe® PDF from any application that can print, with one click conversion from Microsoft Word and Excel. Create trusted electronic documents in professional quality - quickly and reliably with...


Platforms: Windows

DeskSeal is a PKCS#7 compliant desktop digital signing, verification and encryption software. It is wizard-based utility which enables even the novice users to sign and encrypt the files of any format with ease without any prior training required. It supports native PDF signing which allows...


Platforms: Windows

Implements symmetric encryption algorithms: Rijndael, Blowfish, Twofish. Also provides public-key encryption and decryption using digital certificates. Provides hashing functionality for both strings and binary data using SHA1, SHA384, SHA512, MD2, MD5, and HAVAL. Provides BZIP2 compression...


Platforms: Windows

Implements symmetric encryption algorithms: Rijndael, Blowfish, Twofish. Also provides public-key encryption and decryption using digital certificates. Provides hashing functionality for both strings and binary data using SHA1, SHA384, SHA512, MD2, MD5, and HAVAL. Provides BZIP2 compression for...


Platforms: Windows

The Chilkat Python encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding. The Chilkat components and libraries have an established user base of approximately 10,000 customers. Chilkat's licensing provides...


Platforms: Windows

The Chilkat Ruby encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding. The Chilkat components and libraries have an established user base of approximately 10,000 customers. Chilkat's licensing provides for...


Platforms: Windows

RSA encryption, decryption, create signature, verify signature, generate keys, import/export.


Platforms: Windows

The Chilkat Perl encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding. The Chilkat components and libraries have an established user base of approximately 10,000 customers. Chilkat's licensing provides for...


Platforms: Windows

The Chilkat Java encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding. The Chilkat components and libraries have an established user base of approximately 10,000 customers. Chilkat's licensing provides for...


Platforms: Windows

XSign is an ActiveX software component. XSign has been developed for secure personal and business transactions. It enables XML digital signatures using certificates over the Internet and intranet. XSign provides excellent data integrity, message and signer authentication and signer verification...


Platforms: Windows

Completely free Print to PDF creator with multiple digital signing and trusted time-stamping. Easily create an Adobe PDF from any application that can print, with one click conversion from Microsoft Word and Excel. Create trusted electronic documents in professional quality - quickly and reliably...


Platforms: Windows

PDF Master 3.0 offers all tools you need to create new PDF documents from any application able to print or edit any existed ones. PDF Master 3.0 installs itself as a virtual printer using the improved version of soft Xpansion Print to Document Technology. All you need to do to convert your...


Platforms: Windows

Since Thunderbird considers just the attachment type (content-type), it's more correct talk about attachments with type application/pkcs7-mime or application/x-pkcs7-mime. Teorically Thunderbird should automatically verify signature and show attachments in postive case; if the verify fails,...


Platforms: Mac