You received someone’s public key as (55, 7), and you want to encrypt the plaintext value of 8. Using RSA encryption, what is the corresponding ciphertext?

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Answer 1

The corresponding ciphertext for encrypting the plaintext value of 8 using RSA encryption with a public key of (55, 7) is 32.

RSA encryption is a public-key encryption algorithm that relies on the mathematical properties of prime numbers. In this case, the public key provided consists of two values, (55, 7), where 55 represents the modulus and 7 represents the public exponent. To encrypt the plaintext value of 8, we raise it to the power of the public exponent and take the modulus of the result with the modulus value.

To encrypt the plaintext value of 8, we perform the following calculation:

ciphertext = (plaintext ^ public_exponent) % modulus

= (8 ^ 7) % 55

= 2097152 % 55

= 32

Therefore, the corresponding ciphertext for encrypting the plaintext value of 8 with the given public key (55, 7) is 32.

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Related Questions

By the mid 1980s, the ARPANET had grown into what we now call the Internet, connecting computers owned by large institutions, small organizations, and individuals all over the world. True False

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True. By the mid-1980s, the ARPANET had indeed evolved into what we now recognize as the Internet, linking computers owned by various entities worldwide.

True. The ARPANET, initially created by the U.S. Department of Defense's Advanced Research Projects Agency (ARPA) in the late 1960s, served as the foundation for the development of the Internet. It started as a network connecting a few large institutions, such as universities and research centers, facilitating communication and resource-sharing between them. Over time, the network expanded, incorporating smaller organizations and eventually reaching individual users around the globe.

By the mid-1980s, the Internet had become a decentralized network, consisting of interconnected networks using the Transmission Control Protocol/Internet Protocol (TCP/IP) suite as its underlying communication protocol. This expansion allowed for the exchange of data and information on a much broader scale, enabling global communication and collaboration. The Internet's growth during this period laid the groundwork for its exponential development in the subsequent decades, revolutionizing the way people communicate, access information, conduct business, and engage in various online activities.

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What is not one of the three characteristics of tcp in its role as a reliable delivery protocol?.

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Transmission Control Protocol (TCP) is the most popular protocol utilized for communication across the internet. TCP, as a reliable delivery protocol, has several characteristics. However, one of the three characteristics of TCP in its role as a reliable delivery protocol is the ability to perform a quick, continuous, and reliable flow control.

The first characteristic of TCP is connection-oriented communication. The connection-oriented communication guarantees that the sending device is connected to the receiving device before data transmission. TCP guarantees that the receiver is ready to receive data before transmission occurs. Therefore, the receiver will have a buffer ready to store incoming data.

Therefore, Flow control is one of the three characteristics of TCP in its role as a reliable delivery protocol. It allows the sender to control the flow of data based on the receiver's buffer size, preventing buffer overflow or congestion.

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