<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 asymmetric cryptography? Context: Asymmetric cryptography involves the use of public and private key pairs for secure communication. Answer: [/INST]Asymmetric cryptography is a cryptographic system that uses pairs of keys: public keys that may be disseminated widely, and private keys that are known only to the owner.</s>