Cryptography software tools for Visual Basic and C/C++/C# developers
The CryptoSysTM family of programming interfaces
provides cryptography toolkits for developers.
CryptoSys PKI |
CryptoSys API |
What's new? |
See also |
Public key cryptography
CryptoSys PKI Pro
is a library to carry out public key cryptography using RSA and ECDSA.
You can generate and manage X.509 certificates, PKCS#8/PKCS#12 private keys and CMS/PKCS#7 objects.
Includes all required supporting cryptographic utilities.
CryptoSys API provides "symmetrical" encryption using block ciphers like AES and Triple DES; stream ciphers ArcFour, Salsa and ChaCha20;
message authentication algorithms HMAC, CMAC and KMAC; hash functions SHA-1, SHA-2 and SHA-3; and more.
SC14N performs the canonicalization (C14N) transformation you need to do when creating signed XML documents using XML-DSIG.
It can carry out both "inclusive" and "exclusive" canonicalization. Includes a command-line interface.
XML simple query
xmlsq is a free simple lightweight utility to query XML documents using XPath 1.0.
Use from the command line or via its programming interface.
QR code generator
diQRcode enables you to generate QR code images directly from your code or the command line.
Mexico SAT tax receipts
FirmaSAT is a specialist product to sign and analyze
digital tax receipts (Comprobantes Fiscal Digital)
as specified by the Servicio de Administración Tributaria
(SAT) in Mexico. Includes a command-line interface.
2021-04-04: Introducing diQRcode our new QR code generator.
New version 4.0 released 2021-06-16 with support for SVG and GIF and PDF outputs.
See bdcalc our free calculator for the large natural numbers used in cryptography computations.
Version 2.2 released 17 June 2016.
More details and free downloads are available on the bdcalc page.
For more information, please send us a message.
This page last updated 23 October 2023