Freeware: Symmetric

	Arabesk  License: Freeware
	The arabesk screensaver paints colourful symmetric patterns on your screen.You choose to let Arabesk use one or two constantly changing colours. Author: Remco de Korte| Date: 12-07-2000 | Size: 16 KB
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	CommuniCrypt File Encryption Tools  License: Freeware
	File encryption/decryption tools with strongest AES algorithms. Can generate the hash of the source file as password for symmetric encryption(64 digits password). Encryption strength AES Rijndael: 256 bit / Hash: SHA-256 Author: CommuniCrypt Software| Date: 15-01-2006 | Size: 1428 KB
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	encrypted::Mail  License: Freeware
	encrypted::Mail allows users to send encrypted emails to anyone with ease, regardless of the users or recipients existing mail client. encrypted::Mail uses symmetric encryption and allows senders to add a pass phrase for additional security. Author: Data Fortress| Date: 06-11-2006 | Size: 2072 KB
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	abylon READER  License: Freeware
	The encrypting with the software of abylonsoft is not an one-way. The free READER-Version verify, decrypt and unpack SME files. At this time the following file extensions are supported (Symmetrical Encrypted: CR2 / Asymmetrical Encrypted: CRP, PK7, P7M, VSP7, ASC, TBE / Signed: P7M, VSP7, TBS, SGN / Digital Envelope Files: SME). The functions are offered simply by the right mouse button of the File Explorer. The software offers also an integrated certificate manager, a module for creating of selfsigned certificates, the automatically saving of public keys and support numerous smartcards and USB-Token. Features:   * File Explorer PlugIn   * Decryption of symmetric encrypted CR2-files (Blowfish- und AES-Algorithm)   * Decryption of symmetric encrypted CRP-, PK7-, P7M-, VSP7-, ASC-, TBE-files (PKCS-Standard according RSA)   * Verification of signed P7M, VSP7, TBS, SGN-files (PKCS-Standard according RSA)   * Decryption and verification of SME-files   * Manager for certificate administration (Windows certificates database access)   * Creating of selfsigned X.509-certificates (PKCS-Standard according RSA)   * Supporting of smartcards (certificate based, EC-MoneyCard, Health Insurance Card) and USB-Token for decryption Author: abylonsoft - Dr. Thomas Klabunde| Date: 20-02-2008 | Size: 13005 KB
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	Free Morphing  License: Freeware
	Free Morphing creates a sequence of frames which are the transformation of the source image to target image, giving the appearance that the source image "becomes" the target. Images must be true color (24 bit) and have the same size. In the program you can create lines (the same number in Source and Target) which describe the transformation. You should create line objects in the same order on boths images. There are various viewing tools for preview morphing. Features: - You can specify the number of frames in sequence. - You can create symmetric sequence. - You can save resulting movies as animated GIF, AVI and so on. Author: FilesGuard| Date: 5-09-2008 | Size: 2935 KB
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	WISeCrypt  License: Freeware
	WISeCrypt (Personal Edition) provides high security data encryption and protection. Users can securely protect, encrypt, decrypt and wipe files and folders on their PC or other storage devices. Users can view and decrypt S/MIME files. Users can safely transmit confidential data over the Internet knowing that only the desired recipient can read it. Users can obtain a free publicly trusted X.509 CertifyID secure email digital certificate from WISeKey. Features include: integration with Windows shell; high security using trusted X.509 digital certificates; securing files and folders; decrypt and read S/MIME emails; wiping files and folders. It supports AES (Rijndael), 3DES, RSA, RC4 and other asymmetric and symmetric cryptographic algorithms. Author: WISeKey SA| Date: 22-11-2007 | Size: 4381 KB
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	BCArchive  License: Freeware
	With BCArchive software you may encrypt and compress a group of files/folders to an encrypted archive (i.e. single file). You may store all you confidential files in such archive accessing it whenever you need it. All your files are encrypted, i.e. protected from unauthorized access. You may create self-extracted program containing encrypted archive and e-mail it to your friend. He/she will receive this archive and can read your files, either via knowing correct password or via using public/secret key technology. All already generated public and secret keys used in other programs can be also used in BCArchive to create encrypted archive and e-mail it to desired recipient. BCArchive uses strong symmetric encryption algorithms such as Blowfish, IDEA, Triple-DES, CAST5; secure hash algorithms: SHA-1, MD5, RIPEMD-160; asymmetric (public/secret key) algorithms such as RSA, ELGamal/Diffie-Hellman; conforms to specifications PKCS #5, PKCS #12, X.509. BCArchive is convenient software product providing you with strongest encryption technology and ability for efficient management of sensitive data. Author: Jetico, Inc.| Date: 22-10-2004 | Size: 2399 KB
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	BigSpeed File Sharing SDK  License: Freeware
	BigSpeed File Sharing SDK includes two ActiveX controls (client and server) that dramatically simplify and accelerate the development of private file sharing solutions over the Internet. In addition to standard FTP operations, such as upload, download, rename, delete, etc., the library also offers a number of advanced features which give the local application full control over the remote files. The client is able to open seekable streams on the server, either in read-only or read-write access mode. The application can seek, read, an write bytes to the stream as it is a local file. The client is able to run search operation on the server. The searching criteria may include file name masks (wildcards), text strings inside the files, or both of them. The found items are reported in real-time, while the operation is running. The server is able to perform remote file compression and decompression by a request from the client. During zipping or unzipping detailed progress information is provided back to the client about the current and total file and byte counts. The transfered data are scrambled using on-the-fly 128-bit AES encryption, without need of SSL certificates. The security is provided in two different modes: symmetric encryption with shared secret key and asymmetric encryptionwith 1024-bit public/private keys. There is an option to compress on-the-fly the outgoing data before encrypting, which may reduce greatly the transfer time for large files. BigSpeed File Sharing SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications. A special attention is paid to provide responsive user interface while maintaining maximum bandwidth efficiency. Carefully designed set of properties, methods, and events offers great flexibility to develop innovative communication software. Sample applications are included in Visual Basic 6, Visual Basic .NET, Visual C++ .NET, and Delphi 7. Main Features:   All standard FTP operations - download, upload, rename, delete, etc.   Open/seek and read/write bytes from/to seeakable streams   Remote file ant full text search   Remote file compression to zip archives   Remote file decompression from zip archives   On-the-fly 128-bit AES encryption with random session keys   Symmetric encryption mode with shared secret key   Asymmetric encryption mode with 1024-bit Public/Private keys   Protocol level authentication with digital fingerprints or secret keys   Transparent data compression (Deflate algorithm)   Centralized management of all connections (server)   Automatic DNS name resolution (client)   SOCKS proxy support (client)   Elegant event-driven paradigm for easy integration into Windows applications   Responsive user interface while maintaining maximum bandwidth   Simple and well-organized set of properties, methods and events   Multi-threaded, fully self-contained ActiveX control Author: BigSpeed Computing Inc.| Date: 30-10-2005 | Size: 1570 KB
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	Chilkat XML Messaging  License: Freeware
	Makes adding peer-to-peer XML messaging to your distributed applications easy. Integrates with Chilkat SSL, Chilkat Real-Time Compression, and Chilkat Crypt for automatic compression and security. Send and receive XML messages. Integrates with Chilkat SSL for secure messaging over SSLv3 or TLSv1. Integrates with Chilkat Crypt for automatic encryption and decryption of messages using the Rijndael, Twofish, or Blowfish symmetric encryption algorithms. Integrates with the Chilkat Real-Time Compression component for automatic compression and decompression of messages. Send and receive binary or text messages using CkData. The CkData component is handy for loading/saving data to files, accessing as binary, strings (with or without line-endings translated), Base64, Quoted-Printable, compressed, encrypted, etc. Send and receive raw binary data at the socket level if desired. Author: Matt Fausey| Date: 04-03-2002 | Size: 1000 KB
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	AxCrypt  License: Freeware
	File encryption for Windows 95/98/ME/NT/2K/XP using the AES algorithm with 128-bit keys. It combines strong symmetric encryption with compression (automatically used if needed) and double-click editing/viewing. Encrypted files have a '.axx' extension added to their names, and are shown with a new icon. To encrypt a file, right-click it in Windows Explorer and select 'AxCrypt | Encrypt'. To edit or view an encrypted file - just double-click it. To decrypt, right-click and select 'AxCrypt | Decrypt' instead. No configuration is necessary. Run the installer, and AxCrypt is ready to use. English, German, French, Spanish, Italian or Swedish will be used for messages and dialogues depending on the language of the system. Documentation and installation scripts are in English. UNIQUE FEATURES The following are features that really set it apart from other file encryption tools, commercial as well as free: - Double-click to edit/view with any application, with automatic re-encryption when done. - Extensive optional command-line interface for scripting and programming. - Integrated shredder. - 6 languages in one executable distribution. - No options or user interface - easy to install and use. - Absolutely no configuration needed - just use it. - Secure memory handling - no keys or data in the paging file - Private branding support for commercial or corporate versions. - Open source under GNU GPL. Author: Svante Seleborg| Date: 11-08-2003 | Size: 296 KB
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	CommuniCrypt Mail  License: Freeware
	Standalone eMail client with built-in strongest asymmetric Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP).Key length for encrypting up to 7120 bit. This eMail client is fully featured for receiving/sending mails via POP3/SMTP. With the integrated SMTP engine you do not need a SMTP server absolutely, program try to send the mail directly to recipient's mail server(if supported)! Other features: mail forwarding, mail repying, a little addressbook, encryption optional, attachments(encrypted with RSA or AES Rijndael), key compatibility with other CommuniCrypt products, minimizeable to tray, online update and much more! No external plugins or components needed, no extra costs for your security. This is an all-in-one solution to protect your Email privacy with the strongest encryption available! Just a view clicks and you can send and receive strong encrypted eMails in seconds! Encryption/Decryption is optional to enable/disable so can use this great eMail client day by day - not only for your encrypted mails! CommuniCrypt Mail now collects all your e-mails from up to 6 POP3 accounts! With the integrated file encryption/decryption tool you can encrypt or decrypt your mail attachments or all other files you like with strongest RSA Public Key encryption (key length from 338 bit up to 7120 bit) or with the symmetric AES Rijndael encryption (256 bit). E-mail- and file security through strongest encryption - this is an all-in-one package for your privacy protection! See website www.communicrypt.com for full feature list. Author: CommuniCrypt Software| Date: 24-11-2005 | Size: 5256 KB
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	BigSpeed Peer-to-Peer SDK  License: Freeware
	BigSpeed Peer-to-Peer SDK is a set of two COM components (Agent and Hub) that lets you set up a virtual private peer-to-peer (P2P) network for secure file sharing and messaging. The transfered data are scrambled using on-the-fly 128-bit AES encryption, without need of SSL certificates. NAT traversal is implemented by using TCP hole-punching technology. The security is provided in two different modes: symmetric encryption with shared secret key and asymmetric encryption with 1024-bit public/private keys. The hub is responsible for keeping information on and authentication of online peers. All peers connected to a particular hub build a single private community. Each agent acts as both a client and a server at the same time. Fine grained access control is realized by a user-oriented permissions. They grant access control privileges to system resources and services in a flexible and secure manner. Two different kind of instant information can be exchanged between peers: alert and chat messages. In addition to standard FTP operations, such as upload, download, rename, delete, etc., the SDK also offers several advanced features. The broken file transfers are resumed automatically (if enabled), with MD5 integrity checking. The agent is able to run search operation on the peers. The server module is able to perform file compression and decompression by a request from the remote client module. There is an option to compress on-the-fly the outgoing data before encrypting, which may reduce greatly the transfer time for large files. BigSpeed Peer-to-Peer SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications. A special attention is paid to provide responsive user interface while avoiding multithreading problems and maintaining maximum bandwidth efficiency. Sample applications are included in VB .NET, VB 2005 and Delphi 7. Author: BigSpeed Computing Inc.| Date: 21-12-2005 | Size: 1591 KB
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	File Encrypter Rijndael  License: Freeware
	File Encrypter (FIPS-197) - Arpan Jati - ArpanTECH -------------------------------------------------------------------------------- Encrypt Files using 256 bit Block Cipher : Rijndael for the highest possible data security. Rijndael is approved as the Advanced Encryption Standard, FIPS-197 by NIST This standard specifies Rijndael as a FIPS-approved symmetric encryption algorithm that may be used by U.S. Government organizations (and others) to protect sensitive information. ----------------------------------- PROCEDURE: File Encryption: ------------------------ 1) Browse and select a file by pressing the Browse button. 2) Type a password in the password field. - The password should be at least 6-10 digits long. And should both alphabets (a-z ; A-Z) and numbers(0-9) and preferably symbols. - It should be easy to remember but difficult for others to guess. - There are no restrictions on password length as an irreversible Hash is generated from the password. 3) Retype the password. 4) Select the file naming (leave it to modify: recommended). 5) Press the Encrypt (Red) Button File Decryption: ---------------------- 1) Browse and select the encrypted file pressing the Browse button. 2) Type the password in the password field. 3) Retype the password. 4) Select the file naming (leave it to modify: recommended). 5) Press the Decrypt (Green) Button Naming Convention: -------------------------------- The files are renamed as follows: In Append Mode: .encr or .decr is appended to the filename, for each Encryption or Decryption process. In Rename Mode: 1) For Encryption: .encr is appended to the filename. 2) For Decryption: All .encr and .decr extensions are removed and original filename restored with .decr appended in between. For Example: A file abc.txt.encr will be renamed abc.decr.txt Algorithm: Uses 256bit cipher Rijndael (FIPS-197) Arpan Jati - ArpanTECH, Inc All Rights Reserved Author: ArpanTECH| Date: 10-05-2007 | Size: 348 KB
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	PaintStar  License: Freeware
	Full suite of painting tools including paintbrush, pencil, eraser, airbrush, filter brush, color retouching, blur/sharpening,smudge,and cloning. Many customizable brushes, texture, gradient, and 26 methods of combining modes suppported. Transformation tools including rotate,scale,shear,perspective,flip,and wrap. Auto antialias supported. Image Morphing supported. With this technique, you can create a sequence of intermediate frames that seamlessly transform one image to another and generate output in a form of gif animation or image file sequence. Gradient Fill tools include linear,radial,square,conical(symmetric),conical(asymmetric) and shapeburst. Multiple colors supported. Selection tools including rectangular, elliptical, free, fuzzy and paths. Add, subtract, invert, antialias and feather selections supported. Zoom 10% - 2000% display, and show grid supported. More then 30 File formats supported include JPEG, GIF, PNG, TIFF, TGA, PCX, BMP and many others. Color conversion supported include several different dithering methods and palette options. Alpha channel (transparency) supported. Displays Histograms(RGB, HSV, HSL, CMYK). Displays EXIF information. EXIF 2.2 supported. TWAIN supported for scanners and digital cameras. Multiple Layers, 26 methods of combining modes suppported. Multiple Paths supported. You can add,delete,insert point to the curve and adjust point in the curve just like vector drawing programs such as Adobe Illustrator and Corel Draw. Multiple Undo and Redo supported. You can set up the number of Undo's from 3 to 99. More than 100 Filters/Effects.Application of 3x3 filters supported. Screen capture supported.You can capture selected or fixed regions of the desktop, as well as active windows or individual controls (menus,dialogs etc.), which can be easily selected by an on-screen indicator which outlines the area to be captured. Displays thumbnail of selected image in Windows Explorer context menu just like ACD System Picaview. A Brief List of Features :  Full suite of painting tools including paintbrush, pencil, eraser, airbrush, filter brush, color retouching, blur/sharpening,smudge,and cloning. Many customizable brushes, textures, gradients, and 26 methods of combining modes suppported.  Transformation tools including rotate, scale, shear, perspective,flip,and wrap. Auto antialias supported.  Image Morphing supported. With this technique, you can create a sequence of intermediate frames that seamlessly transform one image to another and generate output in a form of gif animation or image file sequence.  Gradient Fill tools include linear, radial,square,conical(symmetric),conical(asymmetric) and shapeburst. Multiple colors supported.  Selection tools including rectangular, elliptical, free, fuzzy and paths. Add, subtract, invert, antialias and feather selections supported.  Zoom 10% - 2000% display, and show grid supported.  More then 30 File formats supported include JPEG, GIF, PNG, TIFF, TGA, PCX, BMP and many others.  Color conversion supported include several different dithering methods and palette options.  Alpha channel (transparency) supported.  Displays Histograms (RGB, HSV, HSL, CMYK).  Displays EXIF information. EXIF 2.2 supported.  TWAIN supported for scanners and digital cameras.  Multiple Layers, 26 methods of combining modes suppported.  Multiple Paths supported. You can add,delete,insert point to the curve and adjust point in the curve just like vector drawing programs such as Adobe Illustrator and Corel Draw.  Multiple Undo and Redo supported. You can set up the number of Undo's from 3 to 99.  More than 100 Filters/Effects.Application of 3x3 filters supported.  Screen capture supported.You can capture selected or fixed regions of the desktop, as well as active windows or individual controls (menus, dialogs etc.), which can be easily selected by an on-screen indicator which outlines the area to be captured.  Displays thumbnail of selected image in Windows Explorer context menu just like ACD System Picaview. Author: Zhenzhou Wang| Date: 23-03-2006 | Size: 2640 KB
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	BigSpeed Secure Socket Library  License: Freeware
	BigSpeed Secure Socket Library is an ActiveX control that dramatically simplifies and accelerates the development of proprietary communication solutions over the Internet. It implements a flexible message-oriented protocol on top of a single TCP connection. The transfered data are scrambled using on-the-fly 128-bit AES encryption with random session keys, without need of SSL certificates. The security is provided in two different modes: symmetric encryption with shared secret key and asymmetric encryption with 1024-bit public/private keys. Transport level authentication is available with optional digital fingerprints or secret keys. Building a virtual private application network is just a matter of setting the same crypto key on two or more sites. BigSpeed Secure Socket Library can be used both on client and server side, with centralized management of all connections. Information is exchanged through typed data packets identified by a command code. The library takes care of all low-level tasks: packetizing/depacketizing, compression/decompression, encryption/decryption, sending, receiving, buffer congestion and flow control. There is support for automatic DNS name resolution and SOCKS proxy servers. BigSpeed Secure Socket Library utilizes an elegant event-driven paradigm for easy integration into Windows applications. A special attention is paid to provide responsive user interface while maintaining maximum bandwidth efficiency. Carefully designed set of properties, methods, and events offers great flexibility to develop innovative communication software. Sample applications for chat, alert messaging, and file transfer are included in Visual Basic 6, Visual Basic .NET, Visual C++ .NET, and Delphi 7. Author: BigSpeed Computing Inc.| Date: 01-10-2005 | Size: 785 KB
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	BigSpeed Voice Chat SDK  License: Freeware
	BigSpeed Voice Chat SDK is a set of two ActiveX controls (Client and Server) that lets you set up a private voice chat network for secure messaging. The transfered data are scrambled using on-the-fly 128-bit AES encryption. The security is provided in two different modes: symmetric encryption with shared secret key and asymmetric encryption with 1024-bit public/private keys. The server is responsible for keeping information on and authentication of online peers. All peers connected to a particular server build a single private community. Fine grained access control is realized by a group of user-oriented permissions. They grant access control privileges to system resources and services in a flexible and secure manner. The voice stream is highly compressed to deliver the best possible sound over a limited-bandwidth connection. In addition, the average bitrate is reduced thanks to the silence compression. In the encoder, a voice activity detector with an adjustable trigger level is used to distinguish between regions with normal speech activity and those with silence or background noise. Significant echo suppression is achieved using a robust double talk detector. Capability to mute recording and mute playback is implemented. The incoming and outgoing audio data are available in raw PCM format for visualization in the application. Two special events notify about signal overloading (possible distorsions) and transmission delays (network congestions). Two different kind of text information can be exchanged between peers: alert and chat messages. File transfer capability is implemented for direct file exchange between peers. BigSpeed Voice Chat SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications.A special attention is paid to provide responsive user interface while avoiding multithreading problems. Sample applications are included in Visual Basic 2005 and Delphi 7. Author: BigSpeed Computing Inc.| Date: 15-09-2006 | Size: 1413 KB
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