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Scrypt is a hashing algorithm first published in 2009 to address the security of passwords stored in a database. Generating such a hash is computationally intensive, meaning it takes a "long" time to generate a hash. This is fast enough for the sign-in process but makes it extremely costly to attempt brute-force to crack an existing password's hash.

SCrypt Modified is a fork of this algorithm. From its documentation, the intentions of the fork are unclear.

While official SCrypt takes password and salt to generate the hash, modified has a few additional steps:

1. Generate derivedKey by creating a Scrypt hash where password is utf8-encoded, and salt is base64-decoded salt + base64-decoded salt separator
2. Generate hash by encrypting base64-decoded signerKey with aes-256-ctr where key is the first 32 characters of derivedKey, while using an empty initialization vector of length 16
3. Final hash must be base64-encoded

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function prefixWithZero(value, minLength = 2) {
    value = value + "";

    while (value.length < minLength) {
        value = `0${value}`;
    }

    return value;
}

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# 1. Install Docker (https://get.docker.com/)
curl -fsSL https://get.docker.com -o install-docker.sh
sudo sh install-docker.sh

# 2. Setup Caddy
mkdir -p caddy
cd caddy
mkdir -p conf

nano conf/Caddyfile