A test methodology that assumes explicit and substantial knowledge of the internal structure and implementation detail of the assessment object. Also known as white box testing.
NIST SP 800-137 under Comprehensive Testing
NIST SP 800-53A Rev. 4 under Comprehensive Testing
See Comprehensive Testing.
NIST SP 800-137
NIST SP 800-53A Rev. 4
(also known as clear box testing, glass box testing, transparent box testing, and structural testing) is a method of testing software that tests internal structures or workings of an application, as opposed to its functionality (i.e. black-box testing).
NIST SP 800-192