Simplify the following text for a Grade 14 native English-speaking person.
Original: For example , the Optimal Asymmetric Encryption Padding ( OAEP ) scheme uses a simple Feistel network to randomize ciphertexts in certain asymmetric-key encryption schemes .
Simplified: For example , the Optimal Asymmetric Encryption Padding ( OAEP ) scheme uses a simple Feistel network to randomize ciphertexts in certain asymmetric key encryption schemes .