Cryptography
Cryptography is the practice of secure communication in the presence of third parties. It involves techniques such as encryption, decryption, and key generation to ensure the confidentiality, integrity, and authenticity of information. In the context of space and astronautical engineering, cryptography plays a crucial role in securing communication between spacecraft and ground stations, as well as between different spacecraft in space. This is particularly important for military and intelligence missions, where sensitive information must be protected from interception and unauthorized access. Cryptography also plays a role in securing the data transmitted by satellites, such as weather and remote sensing data, to ensure that it is not tampered with or intercepted by unauthorized parties.
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