September 18th, 2015 by inflectra
When developing software, systems and hardware for use in medical devices, healthcare IT systems or pharmaceutical processes, you need to follow a requirements and quality management process that complies with the FDA Title 21 CFR Part 11 set of Federal Regulations. Part 11 (as it's more commonly called) defines the criteria under which electronic records and electronic
signatures are considered trustworthy, reliable, and equivalent to paper
One of the new features in Spira 5.0 is support for digital signatures as described in part 11. This article gives a glimpse into the new functionality coming in Spira 5.0 and how it will help customers in the healthcare and medical fields adopt the system.
In Spira 5.0 you can specify which transition in a requirements, test case, release, defect or task workflow needs a digital signature:
For example you might require a signature when requirements are approved or rejected but not when they are deferred. This gives you flexibility to match your process as defined in accordance with Part 11.
When a user executes a transition that requires a signature, it will tell Spira that a digital signature is required:
When the signature is required, a special dialog box is displayed:
The user has to re-enter their login/password and the meaning of the signature, even if they are already logged in:
If they correctly enter their login/password, a history item is logged that records the change. In addition, the meaning is added as a permanent comment associated with the artifact:
The ID of the user that made the change, the ID of the artifact and type of artifact as well as the timestamp of the change is combined into a signature that is SHA256 hashed. This hash is then stored with the history change record:
When the history records are displayed, the data is dynamically re-hashed and compared with the stored hash. This prevents someone tampering with the data, so Spira will display a special legend to indicate that the digital signature associated with the change is valid.
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