Diels-grabsch2: Self Hashing C Program (2019)

10 points by icwtyjj 160 days ago | 3 comments

casey2 155 days ago |

I thought it would print the hash of its binary :/

AlotOfReading 155 days ago | |

That's not too difficult. You can #embed CC, invoke it on the program's source code via the exec functions, and hash the result.

zvr 154 days ago | | |

It's even easier to exec a hash of argv[0] and print it.

casey2 155 days ago |

I thought it would print the hash of its binary :/

AlotOfReading 155 days ago | |

That's not too difficult. You can #embed CC, invoke it on the program's source code via the exec functions, and hash the result.

zvr 154 days ago | | |

It's even easier to exec a hash of argv[0] and print it.