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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0839939 (1977-10-06) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 506 인용 특허 : 0 |
A cryptographic system transmits a computationally secure cryptogram that is generated from a publicly known transformation of the message sent by the transmitter; the cryptogram is again transformed by the authorized receiver using a secret reciprocal transformation to reproduce the message sent. T
A cryptographic system transmits a computationally secure cryptogram that is generated from a publicly known transformation of the message sent by the transmitter; the cryptogram is again transformed by the authorized receiver using a secret reciprocal transformation to reproduce the message sent. The authorized receiver\s transformation is known only by the authorized receiver and is used to generate the transmitter\s transformation that is made publicly known. The publicly known transformation uses operations that are easily performed but extremely difficult to invert. It is infeasible for an unauthorized receiver to invert the publicly known transformation or duplicate the authorized receiver\s secret transformation to obtain the message sent.
In a method of communicating securely over an insecure communication channel of the type which communicates a message from a transmitter to a receiver, the improvement characterized by: providing random numbers at the receiver; generating from said random numbers a public enciphering key at the rece
In a method of communicating securely over an insecure communication channel of the type which communicates a message from a transmitter to a receiver, the improvement characterized by: providing random numbers at the receiver; generating from said random numbers a public enciphering key at the receiver; generating from said random numbers a secret deciphering key at the receiver such that the secret deciphering key is directly related to and computationally infeasible to generate from the public enciphering key; communicating the public enciphering key from the receiver to the transmitter; processing the message and the public enciphering key at the transmitter and generating an enciphered message by an enciphering transformation, such that the enciphering transformation is easy to effect but computationally infeasible to invert without the secret deciphering key; transmitting the enciphered message from the transmitter to the receiver; and processing the enciphered message and the secret deciphering key at the receiver to transform the enciphered message with the secret deciphering key to generate the message.
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