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

Project Samples

Project Activity

See All Activity >

License

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

Follow RSA Converter

RSA Converter Web Site

Other Useful Business Software

Forever Free Full-Stack Observability | Grafana Cloud

Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.

Create free account

Rate This Project

User Ratings

2.0 out of 5 stars

★★★★★

★★★★

★★★

★★

★

ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5

features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5

design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5

support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5

User Reviews

Filter Reviews:

All

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

Similar Business Software

Kasm Workspaces

Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web...

See Software
Proton VPN

Protect your business against damaging data breaches and easily comply with security frameworks like ISO 27001, GDPR, and HIPAA. Our software-only virtual private network easily integrates with your existing infrastructure to provide a flexible and scalable way to protect your...

See Software
Google Cloud Platform

Google Cloud is a cloud-based service that allows you to create anything from simple websites to complex applications for businesses of all sizes. New customers get $300 in free credits to run, test, and deploy workloads. All customers can use 25+ products for free, up to monthly usage...

See Software
groundcover

Cloud-based observability solution that helps businesses track and manage workload and performance on a unified dashboard. Monitor everything you run in your cloud without compromising on cost, granularity, or scale. groundcover is a full stack cloud-native APM platform designed to make...

See Software
Proton Mail

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your...

See Software
New Relic

There are an estimated 25 million engineers in the world across dozens of distinct functions. As every company becomes a software company, engineers are using New Relic to gather real-time insights and trending data about the performance of their software so they can be more resilient and...

See Software