Cryptography and gloves are both dirt-cheap and widely available. The former can frustrate FBI wiretapping, and the latter can thwart FBI fingerprint analysis.
Cryptography protects data from hackers, corporate spies, and con artists, whereas gloves protect hands from cuts, scrapes, heat, cold, and infection. Cryptography is a data-protection technology, just as gloves are a hand-protection technology. citizen can freely buy a pair of gloves, even though a burglar might use them to ransack a house without leaving fingerprints.
“Ron Rivest, one of the inventors of RSA, thinks that restricting cryptography would be foolhardy: It is poor policy to clamp down indiscriminately on a technology just because some criminals might be able to use it to their advantage.
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