RSA Converter

A multi-platform tool to convert RSA private keys between SFM format (modulus, public exponent, private exponent) and CRT format, in both ways.

Features

Factorize RSA modulus using the public and private exponents
Compute public and private exponents from P, Q, DP and DQ.
Fast : computations take less than a second
Support BigEndian and LittleEndian for input and output
Export RSA private key as a PKCS#8 PrivateKeyInfo

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License

Apache License V2.0, GNU Library or Lesser General Public License version 2.0 (LGPLv2)

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zoldveg Edited 2025-11-04

Submitted the available v1.2 binaries for virus analysis. Both Linux and Windows binaries are detected to contain network connection capability, which seems out of the place for me. Windows: (Ability to call network API, found strings related to OpenSSL) hybrid-analysis.com/sample/57e423a45c9a6eb79e4429161939683611c7285ebe802fa0b485ab3a8654d20e/6909d550ed17e779930c6492 Linux: (Contacts api.snapcraft.io) hybrid-analysis.com/sample/2ae70a160decda2be29e28cf4c4c34c87ff20651503db4e809a7d6c40bd70a50

Additional Project Details

Operating Systems

Linux, Mac, Windows

Intended Audience

Developers, Education, Engineering, Information Technology, Science/Research, System Administrators

User Interface

Win32 (MS Windows), wxWidgets

Programming Language

C, C++

Related Categories

C++ Cryptography Software, C Cryptography Software

Registered

2009-12-13

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