+CRY-19.01B

CRY-19.01B

The cloud service provider implements procedures and technical safeguards to ensure the secure handling of cryptographic keys managed by cloud service customers. In these procedures, the following aspects are considered:

1. Secure integration of customer-generated keys ('Bring-Your-Own-Key'; BYOK) into the cloud environment;

2. Logging of all activities related to customer-managed keys; and

3. Definition of access control mechanisms to enable that only authorised users can gain access to customer-managed keys.

1. Overview

Summary	Standard

1.1 References

1.2 Identified Requirements

1.3 Related Regulations

2. Identified Requirements

Requirements
Source	Requirement

3. Related Regulations

Regulations
Source	Regulation

Linked Issues

Issuelinks
Linktype	Issue
is blocked by	Content of Event Logs
is blocked by	Control & Distribution of Cryptographic Keys
is blocked by	Third-Party Cryptographic Keys
is blocked by	Access Enforcement

BSI -
EN: Publications of the Bundesamt für Sicherheit in der Informationstechnik (BSI, Federal Office for Information Security), https://www.bsi.bund.de/. This is not an official BSI website. Only the versions published by the BSI are authoritative.
- Cloud Computing Compliance Criteria Catalogue C5:2026: © BSI, licensed under CC BY-ND 4.0; content unchanged, converted into the GRCA format.
- Criteria Catalogue C3A – Criteria enabling Cloud Computing Autonomy: © BSI, licensed under CC BY-ND 4.0; content unchanged, converted into the GRCA format.
- Cloud Computing Compliance Criteria Catalogue C5:2020: © BSI, licensed under CC BY 4.0 according to the BSI C5 FAQ; converted into the GRCA format.
DE: Veröffentlichungen des Bundesamts für Sicherheit in der Informationstechnik (BSI), https://www.bsi.bund.de/. Kein amtlicher Auftritt des BSI. Maßgeblich sind allein die vom BSI veröffentlichten Fassungen.
- Kriterienkatalog Cloud Computing C5:2026, englische Fassung: © BSI, lizenziert unter CC BY-ND 4.0; Inhalt unverändert, in das GRCA-Format umgewandelt.
- Kriterienkatalog C3A – Criteria enabling Cloud Computing Autonomy: © BSI, lizenziert unter CC BY-ND 4.0; Inhalt unverändert, in das GRCA-Format umgewandelt.
- Kriterienkatalog Cloud Computing C5:2020, englische Fassung: © BSI, lizenziert unter CC BY 4.0 laut C5-FAQ des BSI; in das GRCA-Format umgewandelt.