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SignetSure
This development tool is Win32 security tool for protecting files from hacker alteration. You create digital signatures for your files from a Win32 app. Then you authenticate your files with a single API call. Authentication code is available both in dynamic (DLL) and static (LIB) library formats. Use either C/C++ or Visual Basic.
SignetSure uses RSA public key cryptography. Download free demo version, which has no time limit. This shareware is archived under c and c++, visual basic, security, cryptography category.
digital signatures encryption key time limit
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Chilkat AES & RSA Encryption Component
Chilkat Crypt is an advanced ActiveX encryption component that offers RSA public-key
encryption with digital signatures as well as symmetric encryption algorithms including
AES (Rijndael), Blowfish, and Twofish. In addtion to encryption, you can create
digital
signatures for files or memory data, or verify digital signatures against
incoming
data or files. It allows for the use of any Cryptographic Service Provider,
including
Smart Cards.
public key encryption incoming data cryptographic service provider
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HIME: Huge Integer Math and Encryption
HIME is a library with encryption functions and huge integer math functions.
RSA public key, AES (Rijndael), RC4 secret key encryption, MD5, SHA-256 hash function, random number generation (Blum-Blum-Shub, RSA), Diffie-Hellman...
Every programming language that can access a dll can use HIME: C, C++, Visual Basic, Delphi, PowerBASIC, PureBASIC..
The math functions work with huge integers that can be up to 2^31 bits long (268 million digits).
encryption schemes hime diffie hellman
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MSCCrypto for Linux
MSCCrypto is an Active Server component. It is a collection of the best encryption and hashing algorithms:
RSA public key algorithm (512/1024/2048 bits key size)
AES symmetric block algorithm (128/192/256 bits key size)
Blowfish symmetric block algorithm (64 to 448 bits key size)
Twofish symmetric block algorithm (128/192/256 bits key size)
MD5 hash (128 bits hash)
SHA1 hash (160 bits hash)
32-bit CRC checksum algorithm
implementations blowfish key size
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HIME dll
HIME is a library with encryption functions (public key/ secret key) and huge integer math functions.
RSA public key, AES (Rijndael) secret key encryption. SHA-256 hash function. Random number generation (Blum-Blum-Shub, RSA,..).
Every programming language that can access a dll can use HIME: C, C++, Visual Basic, Delphi, PowerBASIC, PureBASIC..
The math functions work with huge integers that can be up to 2^31 bits long (268 million digits).
integer math purebasic demo program
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SecExMail Home
SecExMail makes e-mail encryption as easy as sending a message. There are no plugins necessary and it will work with any standard email client including Microsoft Outlook, Outlook Express, Calypso, Eudora and many more. Includes html email filters. This internet freeware SecExMail Home is categorized under email encryption.
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QuickSigner
Secure your data transfers with digitally signed files!This is a tool for quickly digitally signing or verifying text or files with Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP).Key length for signing up to 7120 bit. Keys are compatible with CommuniCrypt Standard Edition.
data transfers secret key data exchanges
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Transporter
The Transporter acts like an electronic secure courier to deliver your data and documents in encryted form safe from prying eyes or those who would tamper with them. For more information see website. Utilities shareware Transporter is listed in security, privacy encryption tools tools.
digitally acts signs
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MSCCrypto for Windows
MSCCrypto is an Active Server component. It is a collection of the best encryption and hashing algorithms:
RSA public key algorithm (512/1024/2048 bits key size)
AES symmetric block algorithm (128/192/256 bits key size)
Blowfish symmetric block algorithm (64 to 448 bits key size)
Twofish symmetric block algorithm (128/192/256 bits key size)
MD5 hash (128 bits hash)
SHA1 hash (160 bits hash)
32-bit CRC checksum algorithm
microsoft symmetric block algoritms
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Crypto Anywhere
This internet utility is secure email on the move ! Crypto Anywhere is small enough to fit on a single floppy or USB key chain drive and so easy to use your grandma will be using it. Internet freeware Crypto Anywhere is listed in email tools.
strong encryption block cipher secure email
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Chilkat Encryption .NET Component
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. Chilkat Encryption .NET Component is licensed as shareware and filed in encryption activex section.
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Crypto Anywhere - OpenPGP Edition
Crypto Anywhere is secure email on the move ! Users can decrypt and encrypt messages to friends who use PGP, OpenPGP, SecExMail and many more. Crypto Anywhere allows you to make a travel floppy which can be used in internet cafe's or at work. This freeware is archived under email encryption category.
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CommuniCrypt Mail
E-mail client with strongest asymmetric Public-Key-Encryption(RSAES-OAEP). This client is fully featured for receiving/sending mails via POP3/SMTP. With the integrated SMTP engine you do not need a SMTP server, program is trying to send the mail directly to recipient's mail server(if supported)! Encryption is optional to enable. Integrated file-/attachment encryption(RSA up to 7120 bit or AES 256) See www.communicrypt.com for full feature list.
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