import hashlib


def getFileSHA256(fileFullPath):
    """Get the SHA256 hash value of a file
       Args:
         fileFullPath: Full filename of a file
       Returns:
         Hex hash value in string
    """
    file = open(fileFullPath, "rb")
    fileContent = file.read()
    fileHash = hashlib.sha256(fileContent)
    file.close()
    return "%s" % fileHash.hexdigest()