CloudServices/Notifications/Specification/POSTOffice: Difference between revisions

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== Message HMAC ==
== Message HMAC ==
The "HMAC" field is included to verify that the message has not been tampered with by a third party. It is calculated by signing the contents of the "body" field using the standard [http://en.wikipedia.org/wiki/HMAC HMAC algorithm] with a [http://en.wikipedia.org/wiki/SHA-2#SHA-256_.28a_SHA-2_variant.29_pseudocode SHA-256 hash function].
The "HMAC" field is included to verify that the message has not been tampered with by a third party. It is calculated by signing the contents of the "body" field using the standard [http://en.wikipedia.org/wiki/HMAC HMAC algorithm] with the [http://en.wikipedia.org/wiki/SHA-2#SHA-256_.28a_SHA-2_variant.29_pseudocode SHA-256 hash function].
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