Black Box and White Box are testing types and not testing techniques.

Testing techniques are as follows:-

The most popular Black box testing techniques are:-

Equivalence Partitioning.
Boundary Value Analysis.
Cause-Effect Graphing.
Error-Guessing.
The White-Box testing techniques are: -

Statement coverage
Decision coverage
Condition coverage
Decision-condition coverage
Multiple condition coverage
Basis Path Testing
Loop testing
Data flow testing