Which of the following statements about a stream cipher are true? Each correct answer represents a complete solution. Choose three. 

Answer options:

A. It typically executes at a higher speed than a block cipher.
B. It divides a message into blocks for processing.
C. It typically executes at a slower speed than a block cipher.
D. It divides a message into bits for processing.
E. It is a symmetric key cipher.

ADE