


Chilkat Crypt is an advanced ActiveX encryption component that offers both RSA public-key encryption with digital signatures as well as symmetric encryption algorithms including AES (Rijndael), Blowfish, and Twofish.
The CryptoText encryption library contains COM and .NET components for cross-platform Microsoft Windows text and file encryption on Pocket PC and Desktop, including components for dotNet, .NET CF, COM / ActiveX, PocketPC.
Polar Crypto Component gives your Windows applications the functionality of unbreakable encryption. It enables you to build your own security systems instantly, or to integrate it into your existing systems, enhancing their security and performance.
Chilkat Crypt is an advanced .NET encryption component that offers both RSA public-key encryption with digital signatures as well as symmetric encryption algorithms including AES (Rijndael), Blowfish, and Twofish. Works with C#, ASP.NET, VB.NET.

Xceed Encryption Library
$299.95 - Xceed Software Inc.
Xceed Encryption Library lets Windows apps encrypt/decrypt data using latest industry standard strong encryption algorithms. Supports traditional secret-key encryption & public-key encryption, and can encrypt/decrypt memory buffers, strings, blobs, streaming data or files. Supports AES (US Advanced Encryption Standard) symmetric encryption algorithm (Rijndael) and Twofish, the runner-up for AES. Also offers RSA algorithm with unlimited key sizes.

AidAim CryptoPressStream
$95.00 - AidAim Software LLC
CryptoPressStream is a streaming compression and encryption library. It provides transparent access to data stored in stream objects which are 100% compatible with TStream and have advanced functionality like progress event, Load/Save, and Lock/Unlock multi-thread methods. CryptoPressStream includes TCPSManager thread-safe component that provides an easiest setting of compression and encryption parameters, and contains a list of opened streams.

cryptlib
Free - ComponentSpot
A security toolkit letting even less experienced programmers add encryption and authentication services to their apps, features that are becoming indispensable. The library hides low-level details of security from developers. It supports a variety of algorithms for symmetric/asymmetric encryption, authentication, and hashing. The library is free for non-commercial/shareware projects. It is written in C. ActiveX and C++ wrappers are available.

axsStrongBox
$299.00 - Morello Publishing Ltd
axsStrongBox is a COM component which provides secure data encryption (public and private key) using industry standard, strong algorithms such as Rijndael, RSA and others. It also provides digital signatures, hashing, GZIP and Base64 capability. It can be easily integrated with Visual Basic, VC++, Delphi and VBScript. A flexible password system allows you to use PIN's, passwords, passphrases or binary keys.

Polar Component Suite
$539.00 - Polar
Polar Component Suite includes Polar Zip Component, Polar Draw Component, Polar Crypto Component and Polar SpellChecker Component with full source code, written in MS Visual C++ for each of them offering you unlimited freedom in customizing your ideal solution. You will find such an extra value with no other components! Trial version of this product is also available so you can download it to evalute Polar components before purchasing Suite.

wodCrypt
$139.00 - WeOnlyDo Software
wodCrypt is a lightweight component that provides strong encryption for your applications. It provides supports for most common crypto algorithms, such as AES, DES, TripleDES, Blowfish, Cast, RC2, RC4, RC5 for symmetric encryption and decryption, RSA, DSA, for making and verifying signatures, and MD5, SHA1 for creating hashes
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