White box (software engineering)
| Black box systems | |
|---|---|
 | |
| System | |
| Black box · Oracle machine | |
| Methods and techniques | |
| Black-box testing · Blackboxing | |
| Related techniques | |
| Feed forward · Obfuscation · Pattern recognition · White box · White-box testing · System identification | |
| Fundamentals | |
| A priori information · Control systems · Open systems · Operations research · Thermodynamic systems | |
 | This article does not cite any sources. (March 2009) |
A white box (or glass box, clear box, or open box) is a subsystem whose internals can be viewed but usually not altered.
Having access to the subsystem internals in general makes the subsystem easier to understand but also easier to hack; for example, if a programmer can examine source code, weaknesses in an algorithm are much easier to discover.[citation needed] That makes white-box testing much more effective than black-box testing but considerably more difficult from the sophistication needed on the part of the tester to understand the subsystem.
Mathematical models for complex systems
See also[]
- Black box
- White-box cryptography
- White-box testing
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