GVP MCP:msml:record-amazonsignatureversion

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Published Option

record.amazonsignatureversion

Default Value: V4
Valid Values: Choose between: V2 or V4
Changes Take Effect: Immediately/session

Specifies the Amazon method to generate the authentication signature on GET and PUT requests during record upload. When set to 'V2' the Amazon 'AWS' algorithm will be used to authenticate the requests. This version was deprecated by Amazon somewhere around the year 2014, and all locations deployed after this date no longer accepts this authentication version. When set to 'V4' the Amazon 'AWS4-HMAC-SHA256' algorithm will be used to authenticate the requests. This is currently the official method for authentication, it introduces more security and is accepted in all regions.

The 'V4' authentication algorithm has some new requirements, one of them is the bucket location (or region), this information was not previously needed and therefore MCP didn't care about it. Two methods were introduced in order for MCP to get the bucket's location: (1) Automatic method, where MCP uses an Amazon service to get the information, This method does not require additional input from the customer and is backward compatible; (2) Manual method, where the customer provides the bucket's location using the IVR-Profile through the new parameters recordingclient.AWSRegion and recordingclient.AWSRegion2;

The automatic method (1) is the default method, as it does not require any further configuration or additional input from the customers. The manual method (2) will be used only as an alternative when the automatic method is not being able to properly get the bucket location.

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