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Keeping text messages protected from hackers is crucial, especially as the government occasionally requires access for criminal investigations. However, tech companies argue this could infringe on privacy. Text messages utilize end-to-end encryption, which secures data while in transit. Each smartphone has a pair of unique keys: a public key, shared with others for encryption, and a private key, which remains on the device and is never shared. When two individuals want to communicate securely, they use both keys to establish a temporary shared key for encryption and decryption of their messages.