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Protecting text messages from hackers and eavesdroppers is increasingly important. While governments argue for access to messages for criminal investigations, tech companies raise privacy concerns. Text messages are secured by end-to-end encryption, which occurs when you send a secure message from your smartphone. This encryption involves two unique keys: a public key, shared with others, and a private key, which remains on your device. These keys work together to create a temporary shared key, allowing secure communication. For example, when Allyson sends a message to Bob, there is an exchange of public keys that enables encrypted messaging.