Authentication

AK/SK authentication is used for calling APIs. Specifically, requests are encrypted using the access key (AK) or secret access key (SK) to provide higher security.

AK/SK Authentication

AK/SK-based authentication supports API requests with a body not greater than 12 MB.

In AK/SK authentication, AK/SK is used to sign a request and the signature is then added to the request for authentication.

AK: access key ID, which is a unique identifier used in conjunction with a secret access key to sign requests cryptographically.
SK: secret access key used in conjunction with an AK to sign requests cryptographically. It identifies a request sender and prevents the request from being modified.

In AK/SK authentication, you can use an AK/SK to sign requests based on the signature algorithm or use the signing SDK to sign requests. For details about how to sign requests and use the signing SDK, see AK/SK Signing and Authentication Guide.

The signing SDK is only used for signing requests and is different from the SDKs provided by services.

Parent topic: Calling APIs

Previous topic: Making an API Request

Next topic: Response

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