groestl | Pure python implementation of Grøstl | Data Manipulation library
kandi X-RAY | groestl Summary
kandi X-RAY | groestl Summary
This is a pure python implementation of Grøstl written for educational purposes.
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Top functions reviewed by kandi - BETA
- Mix two bytes
- Shift bytes by given indices .
- Clear the contents of the state .
- XOR operator .
- Updates the given point .
- Initialize the state .
- Calculate the digest of a point .
- Return hexdigest of point pt .
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QUESTION
I want to print the output from a hashing function to stdout. I use the groestl hash function but i suppose it works the same as sha or others. Doing it like this prints the hash as it should:
...ANSWER
Answered 2021-Apr-01 at 14:11When i want to return a
String
from create_hash withformat!("{:x}", hasher.finalize())
results in [...] error
The problem is that create_hash
is generic over D
, which is only required to implement Digest
. While concrete implementation of Digest
you are supplying it also satisfy the LowerHex
trait needed for format!("{:x}")
to accept them, the signature of create_hash
doesn't reflect that.
To fix it, you should use an additional constraint on digest's output, like this:
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Install groestl
You can use groestl like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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