code: func (c *Config) SetRecipientHash(alias, name, value string) error {
  	if alias == "" {
  		c.Root.setRecipientHash(name, value)
  	} else {
  		if sc, found := c.Mounts[alias]; found && sc != nil {
  			sc.setRecipientHash(name, value)
  		}
  	}
  
  	return c.Save()
  }
docs: // SetRecipientHash will set and save the recipient hash for the given store
  // and file