In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot. In an encryption scheme, the intended information or message, referred to as plaintext, is encrypted using an encryption algorithm a cipher generating ciphertext that can be read only if decrypted.It is in principle possible to decrypt the message without possessing the key, but, for a well-designed encryption scheme, considerable computational resources and skills are required.
Is Apple and Google’s Covid-19 Contact Tracing a Privacy Risk?
Apple and Google's Bluetooth-based system isn't perfect. But many of the biggest concerns have solutions.
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