CRY · Cryptography and Key Management
CRY-11 Cryptographic Key Archival
New in C5:2026
Basic criterion
The cloud service provider has documented and implemented procedures and technical safeguards for the secure archiving of cryptographic keys. These include:
- Storage of archived keys in a repository to prevent unauthorised access;
- Restriction of access to archived keys to authorised personnel based on the principle of least privilege;
- Support of later recovery of information through archived keys;
- Retention of archived keys only for as long as needed and secure destruction afterwards; and
- Logging of all activities related to the storage and recovery of archived keys.
BSI text from C5:2026 and its changelog: © Federal Office for Information Security 2026, reproduced unchanged under CC BY-ND 4.0. Unofficial site, not affiliated with BSI. Licence and sources