<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 significance of public and private keys in cryptography? Context: Public keys are used for encryption, while private keys are used for decryption in cryptography. Answer: [/INST]Public keys are used for encryption, while private keys are used for decryption.</s>