# Legacy Gutmann profile — 35-pass Peter Gutmann wipe.
# Legacy profile for the `--method gutmann` method.

[meta]
name        = "Legacy Gutmann"
version     = 1
description = "Peter Gutmann's 35-pass wipe (4 PRNG streams + 27 static patterns + 4 PRNG streams). Designed in 1996 for MFM/RLL encoded drives; modern PRNG-only wipes are generally considered equivalent, but Gutmann remains a regulatory expectation in some regimes."
nist_class  = "clear"
audience    = "Regulated media under legacy policies"

[defaults]
method       = "gutmann"
prng         = "ChaCha20 (CSPRNG)"
rounds       = 1
verify       = "final"
certificate  = "json"
noblank      = false