Encryption is an important tool for secure communication from "summary" of Introduction to Information Security by Timothy Shimeall,Jonathan Spring
Encryption plays a crucial role in ensuring secure communication in the digital world. By transforming plain text into a scrambled format that can only be understood by authorized parties, encryption protects sensitive information from unauthorized access. In essence, it acts as a virtual lock that prevents eavesdroppers or hackers from deciphering the contents of messages or data. When information is encrypted, it is encoded using complex algorithms that require a specific key to decrypt and make sense of the data. This key serves as the digital counterpart to a physical key, granting access to the encrypted information only to those who possess it. Without the key, the encrypted data remains indecipherable and secure from prying eyes. Encryption is especially important in scenarios where confidentiality is paramount, such as transmitting financial transactions, personal messages, or sensitive business dat...
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