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Encrypt | Surveillance Self-Defense
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Surveillance
Self-Defense
Self-Defense
Encrypt
To scramble information or a message mathematically so that it seems meaningless, but can still be restored to its original form by a person or device that possesses a piece of data 
that can unscramble it (a key .) This limits who can access the information or message because without the right key, it is nearly impossible to reverse the encryption and recover the original information. Encryption is one of several technologies that make up the field called cryptography .