cognitohashcalculator 1.0.0

A small python library for calculating the secret hash required for the amazon cognito's user and password authentication

Secret Hash Generator

This function, calculate_secret_hash, generates a secure hash using HMAC (Hash-based Message Authentication Code) and SHA-256. It's useful for authentication and securely verifying user credentials for Amazon Cognito.

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Function Overview

calculate_secret_hash

This function creates a secret hash by combining the username and client ID, secured with a client secret key.

Parameters

• client_id (str):
  The unique identifier for the client.

• client_secret (str):
  The secret key associated with the client ID, used for hashing.

• username (str):
  The username or user identifier to include in the hash computation.

Returns

• A base64-encoded string representing the HMAC SHA-256 hash.

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Dependencies

The function uses Python's standard library, so no external installations are required. Specifically, it uses:

• hmac
• hashlib
• base64

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Usage

from mylibrary import calculate_secret_hash

# Example inputs
client_id = "exampleClientId123"
client_secret = "superSecretKey456"
username = "[e-mail]"

# Generate the secret hash
secret_hash = calculate_secret_hash(client_id, client_secret, username)
print(f"Generated Secret Hash: {secret_hash}")