位置13的问题 What is Cryptography?Cryptography is public communication.Cryptography is communication in an adversarial environment.Cryptography is a communication method with a short history.Cryptography is only used by the military.

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BlackTom AI · Accepted Answer

The question asks about the nature of cryptography and provides four statements to assess.
Option 1: 'Cryptography is public communication.' This is incorrect because cryptography is not defined by being public; it is about securing information and ensuring confidentiality, integrity, and authenticity, often in the presence of others who may not be trusted.
Option 2: 'Cryptography is communication in an adversarial environment.' This statement captures a core aspect of cryptography: systems are designed to operate where there may be active observers or attackers, and mechanisms are used to protect messages despite that threat.
Option 3: 'Cryptography is a communication method with a short history.' This is inaccurate since cryptography has ancient roots (e.g., simple ciphers) and a long historical development spanning millennia, not a short history.
Option 4: 'Cryptography is only used by the military.' This is false because cryptography is widely used in everyday contexts—secure online banking, messaging apps, emails, and many commercial and personal applications rely on cryptographic techniques, not just military use.

Overall, option 2 aligns with the fundamental purpose of cryptography: maintaining secure communication when adversaries may be present, while the other statements mischaracterize its scope, history, or usage.

位置13的问题 What is Cryptography?Cryptography is public communication.Cryptography is communication in an adversarial environment.Cryptography is a communication method with a short history.Cryptography is only used by the military.

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I've encrypted the flag with my secret key, you'll never be able to guess it.02020c33202918431f2f0d5f162d321e44183c0b49052b240d420e0dHint: Remember this is a crypto challenge and how it might help you in this challenge!Flag format: apuCTF{flag}

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位置13的问题 What is Cryptography?Cryptography is public communication.Cryptography is communication in an adversarial environment.Cryptography is a communication method with a short history.Cryptography is only used by the military.

View Explanation

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Similar Questions

位置14的问题 Cryptography in blockchain is primarily used for maintaining confidentiality and for transaction verification.TrueFalse

位置12的问题 Cryptography in blockchain ensures both the security of transaction data and the authenticity of the users involved.TrueFalse

位置10的问题 Which of the following is NOT a type of cryptography relevant to blockchain?Asymmetric key cryptographyPhishing AttacksSymmetric key cryptographyDigital signatures

位置9的问题 Which of the following is NOT a key property of cryptographic communication?SpeedIntegrityAuthenticationConfidentiality

What will this code print?

印第安纳·琼斯与命运之盘 你是印第安纳·琼斯的船员之一，在旅途中遇到了打开锁的密码：113545134421{350315481455_13135231542}作为天才密码破译者，你成功破解了密码。密码是什么？旗帜格式：apuCTF{flag}

I've encrypted the flag with my secret key, you'll never be able to guess it.02020c33202918431f2f0d5f162d321e44183c0b49052b240d420e0dHint: Remember this is a crypto challenge and how it might help you in this challenge!Flag format: apuCTF{flag}

More Practical Tools for Students Powered by AI Study Helper

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印第安纳·琼斯与命运之盘你是印第安纳·琼斯的船员之一，在旅途中遇到了打开锁的密码：113545134421{350315481455_13135231542}作为天才密码破译者，你成功破解了密码。密码是什么？旗帜格式：apuCTF{flag}