What wiping schemes are built-in in Delete Files Permanently by default?
– Fast (1 pass) The fastest wiping scheme. Your data is overwritten with zeroes. – British HMG IS5 (Baseline) (1 pass) Your data is overwritten with zeroes with verification. – Russian GOST P50739-95 (2 passes) GOST P50739-95 wiping scheme calls for a single pass of zeroes followed by a single pass of random byte. – British HMG IS5 (Enhanced) (3 passes) British HMG IS5 (Enhanced) is a three pass overwriting algorithm: first pass – with zeroes, second pass – with ones and the last pass with random bytes (last pass is verified). – US Army AR380-19 (3 passes) AR380-19 is data wiping scheme specified and published by the U.S. Army. AR380-19 is three pass overwriting algorithm: first pass – with random bytes, second and third passes with certain bytes and with its compliment (with last pass verification) . – US Department of Defense DoD 5220.22-M (3 passes) DoD 5220.22-M is three pass overwriting algorithm: first pass – with zeroes, second pass – with ones and the last pass with random byte