How to create a security stamp value for asp.net identity (IUserSecurityStampStore)

Question

In my MVC-5 application, I have to create security stamp values manually. The current implementation of the identity team seems to use a guid.

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Answer 1

Out of the documentation of the identity implementation for the entity-framework, it seems that it can be any random value:

IdentityUser.SecurityStamp Property

A guid seems therefore fine and the following code should be reliable also with future versions of asp.net identity.

Guid.NewGuid().ToString("D")