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https://issues.apache.org/jira/browse/CLOUDSTACK-9191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16278368#comment-16278368
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Reshad Bashir commented on CLOUDSTACK-9191:
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We too are experiencing this issue and it is very frustrating as it makes
building a good application for Cloudstack very difficult.
> ACS 4.6 Custom Offer Signature mismatch "ERROR : "unable to verify user
> credentials and/or request signature""
> --------------------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-9191
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9191
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: API
> Affects Versions: 4.6.0
> Environment: ACS 4.6 with KVM hypervisors
> Reporter: AssistanZ Networks Pvt
> Priority: Minor
> Labels: newbie
>
> ERROR : "unable to verify user credentials and/or request signature"
> Request to CloudStack without custom offering through application :
> apiKey=lGMCRQI6maiFCDsKuZAHI63u1upxCrUnNrWbXAnUZZE_qyEv7ozK_yNzYvNfXgX5x5mRcedIKynzSyLA5hf8yg&command=deployVirtualMachine&displayname=admin&displayvm=true&domainid=3776269a-949d-11e5-b907-e06995a35804&keyboard=us&name=priya&networkids=7efa5852-7e1f-4a26-9351-00f9d863aa3e&projectid=527ebed8-23f6-4c9f-9ee0-05926b035b1e&response=json&serviceofferingid=cb9fe060-1870-4bd0-8c0e-3980107acce6&templateid=96e753af-5e1a-4bf9-a28a-9f609ee06202&zoneid=af3ed220-7e36-4459-a6ea-9587a18246c0&signature=FU4xL%2FdGsYoihfWdvT%2FPrwwzthQ%3D
> This is working fine.
> Request to CloudStack with custom offering through application :
> apiKey=lGMCRQI6maiFCDsKuZAHI63u1upxCrUnNrWbXAnUZZE_qyEv7ozK_yNzYvNfXgX5x5mRcedIKynzSyLA5hf8yg&command=deployVirtualMachine&details%5B0%5D.cpuNumber=3&details%5B0%5D.cpuSpeed=1500&details%5B0%5D.memory=512&hypervisor=KVM&iptonetworklist%5B0%5D.networkid=7efa5852-7e1f-4a26-9351-00f9d863aa3e&response=json&serviceofferingid=a1613485-8cdf-4d84-8b97-8c2695128a2f&templateid=37acb430-949d-11e5-b907-e06995a35804&zoneid=af3ed220-7e36-4459-a6ea-9587a18246c0&signature=FU4xL%2FdGsYoihfWdvT%2FPrwwzthQ%3D
> ERROR : "unable to verify user credentials and/or request signature"
> Values are mapped same as CloudStack command string formation.
> It is generating same signature for both. Noticed difference in CloudStack is
> cpuSpeed and cpuNumber. In both Speed and Number, first letter in upper case.
> During signature generation we will convert all the values to lower case.
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