Through the NSA-designed Clipper chip, which used the Skipjack cipher with an intentional backdoor, and using various specifically designed laws such as CALEA, CESA and restrictions on export of encryption software as evidenced by Bernstein v. United States, the U.S. government had publicly attempted in the 1990s to ensure its access to communications and ability to decrypt.
Melalui cip Clipper dan algoritme Skipjack buatan NSA, CALEA, Cyberspace Electronic Security Act, dan batasan terhadap ekspor perangkat lunak enkripsi, pada tahun 1990-an pemerintah Amerika Serikat secara terbuka berusaha menjamin hak aksesnya terhadap komunikasi dan kemampuannya untuk mendekripsinya.WikiMatrix WikiMatrix