What is the difference between white box and black box testing?

White box Testing: Internal structure is considered in this. Performed by developers. It involves coverage of code. Programming knowledge is required in this. It is based on Detail Design Documents.

Black Box Testing: Used to test the software without knowing the internal structure of code/ system design. Performed by testers.  It involves coverage of the requirements. Programming knowledge is not required in this. It is based on Requirement Specification Documents.