HIME: Huge Integer Math and Encryption for Windows

Used HIME: Huge Integer Math and Encryption for Windows?

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Editors’ Review

Download.com staffFebruary 20, 2026

HIME is a versatile library offering robust encryption and massive integer math capabilities. It supports numerous cryptographic functions and languages, ideal for complex security needs.

Pros
- Supports RSA, AES, RC4 encryption
- Includes MD5 and SHA-512 hashing
- Offers random number generation
- Handles huge integers up to 2^31 bits
- Accessible from many programming languages via DLL
Cons
- No mention of ECC support
- No explicit support for key management
- Compression details are vague
- Secure file erase implementation not specified

HIME: Huge Integer Math and Encryption for Windows

Used HIME: Huge Integer Math and Encryption for Windows?

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Full Specifications

GENERAL

Release: January 11, 2007

Latest update: February 20, 2026

Version: 2

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows ME
Windows 98
Windows XP
Windows 10
Windows NT
Windows 2000

Additional Requirements: Windows 98/Me/NT/2000/XP

POPULARITY

Total Downloads: 258

Downloads Last Week: 0

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User Reviews

4/5

1 User Votes

Apply basic integer math to humongous intergers & files
March 30, 2009
Pros
To program with it is pretty straight forward. An 'Include' file and DLL are used to make it work with several program languages. The DLL is distributable without charge. The Help file is usually pretty clear on how to do most things.
Cons
Catch the initial parts of HELP to grasp some things. Help for MD5 itself doesn't mention that endian-ness must be reversed in Windows. After processing MD5, or the likes, swapping endians is required. Functions may have been failing (my grasp).
Summary
If it is possible, reversing the processes used can help verify results. Wishing to encrypt in a relatively unique way was probabaly the focus of its creation. Checksums was my personal goal. It does that pretty fast.

Developer’s Description

Manage and encrypt huge integer math functions.

HIME is a library with encryption functions and huge integer math functions. RSA public key, AES, RC4 secret key encryption, MD5, SHA-512 hash function, random number generation (Blum-Blum-Shub, RSA), Diffie-Hellman, compression, securely erase files. Every programming language that can access a dll can use HIME: C, C++, C#, Visual Basic, Delphi, PowerBASIC, PureBASIC, Dot NET. The math functions work with huge integers up to 2^31 bits long.