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2015年11月5日 星期四
密碼學war game Q3
Vigenère多套字母密文，找出金鑰長度(< 7)、金鑰、明文
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8 則留言:
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
這個詞是從希臘克里普托斯，意思是隱藏的。
密碼學的原點通常是從大約2000年
BC，用象形文字埃及的做法。此
包括複雜的象形圖，其中充滿意義
只知道少數精英。第一個已知的使用現代的
密碼是由凱撒（公元前100年至公元前44年） ，誰沒有
與他的州長進行通信時，相信他的使者
和軍官。
金鑰長度4
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
金钥长度4
明文WEAK
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
B10333005: A:
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
金鑰:weak
密文:
The word is derived from the Greek kryptos, meaning hidden.The origin of cryptography is usually dated from about 2000BC, with the Egyptian practice of hieroglyphics. Theseconsisted of complex pictograms, the full meaning of whichwas only known to an elite few. The first known use of a moderncipher was by Julius Caesar (100 BC to 44 BC), who did nottrust his messengers when communicating with his governorsand officers
b10113029
金鑰長度:4
金鑰: WEAK
明文:
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
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