John the Ripper Pro

John the Ripper Pro 1.7

password cracker checks strength of Unix & Win passwords

John the Ripper is a fast password cracker intended primarily for use by systems administrators to detect and eliminate weak user passwords of Unix-like and Windows systems. John the Ripper Pro for Mac OS X features a native package (dmg), universal binary, support for SSE2 and AltiVec acceleration (on Intel and PowerPC, respectively), a large multilingual wordlist, and revised documentation.

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