# NIST Purge profile — firmware Purge + 1 overwrite pass.

[meta]
name        = "NIST Purge"
version     = 1
description = "NIST SP 800-88 Purge: firmware-level erase (ATA SE / NVMe Sanitize) followed by a single overwrite pass. Belt-and-braces for media that supports Purge."
nist_class  = "purge"
audience    = "NIST 800-88 Purge compliance"

[defaults]
prng_pool    = ["ChaCha20 (CSPRNG)"]
hash         = "SHA-256"
verify       = "final"
certificate  = "json"
report       = ["summary", "compliance"]

[policy_map]
hdd_cmr   = "hdd_overwrite"
hdd_smr   = "hdd_overwrite"
ssd_sata  = "ssd_purge_then_overwrite"
ssd_sas   = "ssd_purge_then_overwrite"
ssd_usb   = "ssd_purge_then_overwrite"
ssd_nvme  = "nvme_sanitize_then_overwrite"
pmem      = "pmem_crypto_erase"
mmc       = "embedded_overwrite"
sd        = "embedded_overwrite"
ufs       = "embedded_overwrite"
virtual   = "virtual_overwrite"

[constraints]
require_secure_erase_capable = false  # proceed with overwrite if no SE
abort_on_verify_failure      = true
require_signed_certificate   = true   # Purge should be signed
minimum_passes               = 1