olemus
ISO/IEC 27040:
saniteerimismeetod, mille korral
saneeritakse krüpeeritud andmete krüptovõti,
muutes dekrüpteeritud sihtandmete taaste ebamõistlikuks
=
method of sanitization in which the encryption key for the encrypted target data is sanitized, making recovery of the decrypted target data infeasible

ülevaateid
https://blog.seagate.com/business/what-makes-crypto-erase-so-popular-nist-and-iso-endorse-simplest-secure-erase-solution/

https://www.wipedrive.com/white-papers/crypto-erase-and-data-erasure/