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HMAC signature and Base64 code). Construct the request URL. The following uses Java to show how to construct a ...

the signature’s HMAC value based on RFC2104 definitions. Note: The Key used for calculating the signature is the ...

: Signature = base64(hmac-sha1(VERB + "\n" + ACCEPT + "\n" ...

=xxxx%xxxx%3D SignatureMethod=HMAC-SHA1 SignatureNonce=15215528852396 SignatureVersion=1.0 AccessKeyId=key-test Timestamp=2012-06 ...

)://cas.aliyuncs.com/? Action=DescribeUserCertificateList Format=xml Version=2018-07-13 Signature=xxxx%xxxx%3D SignatureMethod=HMAC-SHA1 ...

follows: Signature = base64(hmac-sha1(VERB + "\n" + ACCEPT + "\n" + + Content ...

definitions, use the preceding signature string to calculate the signature’s HMAC value ...

Format=xml Version=2018-12-03 Signature=xxxx%xxxx%3D SignatureMethod=HMAC-SHA1 SignatureNonce=15215528852396 SignatureVersion ...

=AllocateEipAddress Format=xml Version=2016-04-28 Signature=xxxx%xxxx%3D SignatureMethod=HMAC-SHA1 SignatureNonce=15215528852396 ...

://vpc.aliyuncs.com/?Action=CreateNatGateway Format=xml Version=2016-04-28 Signature=xxxx%xxxx%3D SignatureMethod=HMAC-SHA1 SignatureNonce ...