Help Center/ Data Encryption Workshop/ Service Overview/ Constraints
Updated on 2025-10-14 GMT+08:00
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Constraints

This section describes the limitations and constraints on using DEW.

Specifications

Table 1 Specifications

Resource Type

Specification

Description

Secret

You can create a maximum of 500 secrets.

To increase the secret specifications, contact customer service.

Event

You can create a maximum of 30 secret events.

To increase the event specifications, contact customer service.

Rotated secret version

Each secret supports a maximum of 20 versions.

To increase the rotated secret version specifications, contact customer service.

Instances in a cryptographic service cluster

Each cryptographic service cluster can contain a maximum of 20 instances.

To increase the specifications, contact customer service.

Tag

A maximum of 20 tags can be added to a resource.

To increase the tag quota, contact customer service.

KMS API calls

KMS keys can be called through APIs for 20,000 times free of charge per month.

To increase KMS API calls, contact customer service.

Quota

You can log in to the console to view default quotas. For details, see Viewing Quotas. You can submit a service ticket to apply for a larger quota if needed.

Table 2 Quota

Resource Type

Default Quota

Adjustable

Description

CMKs

You can create at most 100 custom keys, excluding default keys.

Replica keys take up the custom key quota in the region.

Yes

To apply for a higher quota, submit a service ticket.

For details, see Creating a Key.

Grants per CMK

A maximum of 100 grants can be created for a CMK.

Yes

To apply for a higher quota, submit a service ticket.

For details, see Creating a Grant for a Custom Key.

Key pair

A user can create up to 1,999 key pairs.

No

For details, see Key Pair Service Overview.