Encryption scrambles data to keep it secret from those without the decryption keys. Banks, companies and individuals use it to secure sensitive information and transactions. Concerned about the advantage encryption gives to paedophiles and terrorists, the Government is preparing to bring into force part III of the Regulation of Investigatory Powers Act (RIPA), which empowers the police to demand decryption keys on pain of a hefty prison sentence. These measures are invasive, ineffectual and costly.
