GetCredential generate a credential string.

PostPresignSignatureV2 - presigned signature for PostPolicy request.

PostPresignSignatureV4 - presigned signature for PostPolicy requests.

PreSignV2 - presign the request in following style.

PreSignV4 presign the request, in accordance with http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html.

SignV2 sign the request before Do() (AWS Signature Version 2).

SignV4 sign the request before Do(), in accordance with http://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html.

SignV4STS - signature v4 for STS request.

SignV4Trailer sign the request before Do(), in accordance with http://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html.

StreamingSignV4 - provides chunked upload signatureV4 support by implementing io.Reader.

StreamingUnsignedV4 - provides chunked upload.

Different service types.

Different service types.

StreamingReader implements chunked upload signature as a reader on top of req.Body's ReaderCloser chunk header;data;..

StreamingUSReader implements chunked upload signature as a reader on top of req.Body's ReaderCloser chunk header;data;..