<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the concept of asymmetric encryption? Context: Asymmetric encryption involves the use of a public key and a private key to secure data. Answer: [/INST]Asymmetric encryption uses a pair of keys - a public key and a private key - to encrypt and decrypt data securely.</s>