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Authentication Requests for calling an API can be authenticated only using the following method: AK/SK-based authentication: Requests are authenticated by encrypting the request body using an AK/SK pair.
For example, the following identity policy only allows GaussDB(DWS)-initiated requests to call KMS APIs for encrypting data: { "Version": "5.0", "Statement": [{ "Effect": "Allow", "Action": [ "kms:cmk:encryptData" ], "Resource": [ "*" ], "Condition": { "ForAnyValue