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://datalocker.com/wp-content/uploads/2022/10/Data-Management-Best-Practices-Using-Cryptographic-Erasure.pdf
https://nvlpubs.nist.gov/nistpubs/specialpublications/nist.sp.800-88r1.pdf