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Added bug collisions to bcrypt #6

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@Sc00bz Sc00bz commented Jul 16, 2019

Signed char bug: $2y$ is using the correct code. The $2x$ (the old $2a$) extended the sign bit of a character on top of at most the 3 characters before it (4 byte boundary).

Null char bug: nothing after the first null character is used. This breaks when using prehashed bcrypt with raw output.

Signed char bug: $2y$ is using the correct code. The $2x$ (the old $2a$) extended the sign bit of a character on top of at most the 3 characters before it (4 byte boundary).

Null char bug: nothing after the first null character is used. This breaks when using prehashed bcrypt with raw output.
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lodee77 commented Feb 15, 2021

  1. @ok

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