File hashing

hash_file_sha3_256.py

import base64
import hashlib


def hash_string(s):
    obj_sha3_256 = hashlib.sha3_256(s)
    return obj_sha3_256.hexdigest()


def file_hash(file_path):
    with open(file_path, 'rb') as image_file:
        encoded_string = base64.b64encode(image_file.read())
        return hash_string(encoded_string)


def main():
    print(file_hash('sample-car-image.jpg'))  # a8eded631cb9c9279cfe3905e63de23098d20fad95f54bf703623db3535f3508


if __name__ == "__main__":
    main()

hashFileSha3_256.js

const fs = require('fs').promises;
const { SHA3 } = require('sha3');

const imageHash = async (imageFilePath) => {
  const fileContent = await fs.readFile(imageFilePath);
  const base64FileContent = fileContent.toString('base64');
  const hash = SHA3(256);
  hash.update(base64FileContent);
  return hash.digest({ buffer: Buffer.alloc(32), format: 'hex' });
};

const ih = imageHash('sample-car-image.jpg');
console.log(ih); // a8eded631cb9c9279cfe3905e63de23098d20fad95f54bf703623db3535f3508