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John the Ripper jumbo
advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs
C
Added on 2025年5月11日11,298
Stars2,230
ForksC
LanguageProject Introduction
Summary
John the Ripper jumbo is a powerful, open-source password cracking tool designed for speed and versatility across a wide range of platforms and encryption types.
Problem Solved
Recovers lost passwords, audits password security by identifying weak passwords, and assists in penetration testing by cracking hash files.
Core Features
Extensive Algorithm Support
Supports a vast number of hash and cipher types for comprehensive cracking capabilities.
Broad Platform and Hardware Compatibility
Optimized for various hardware including CPUs, GPUs, and FPGAs, enabling high performance cracking.
Customizable Attack Modes
Offers flexible wordlist and rule-based attack modes for tailored password cracking attempts.
Tech Stack
C
Assembly
OpenMP
CUDA
OpenCL
使用场景
John the Ripper jumbo is utilized in various security-related and data recovery scenarios:
场景一：安全审计与弱密码检测
Details
Auditing the strength of user passwords on a network or system by attempting to crack hashes obtained from shadow files or databases.
User Value
Proactively identifies weak credentials that could be exploited, improving overall security posture.
场景二：渗透测试与漏洞利用
Details
Attempting to crack password hashes during penetration testing exercises to demonstrate the impact of insecure password practices.
User Value
Provides a key capability in red teaming and security assessments to simulate realistic attack vectors.
场景三：密码恢复与取证
Details
Recovering access to encrypted files, forgotten login passwords for systems, or compromised accounts when legal access is required.
User Value
Enables legitimate access to systems or data when original credentials are lost or unavailable.
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