AWS Signature Version 4 implementation, include client side and server side
https://docs.aws.amazon.com/zh_cn/general/latest/gr/sigv4_signing.html https://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
AWS Signature Version 4 implementation, include client side and server side
https://docs.aws.amazon.com/zh_cn/general/latest/gr/sigv4_signing.html https://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html