An anonymous reader writes: The FBI has no idea how the Hack used in unlocking the San Bernardino shooter's iPhone 5C works, but it paid a sum less than $1m for the mechanism, according to a report. Reuters, citing several U.S. government sources, note that the government intelligence agency didn't pay a value over $1.3m for purchasing the hack from professional hackers, as previously reported by many outlets. The technique can also be used as many times as needed without further payments, the report adds. The FBI director, James Comey, said last week that the agency paid more to get into the iPhone 5C than he will make in the remaining seven years and four months he has in his job, suggesting the hack cost more than $1.3m, based on his annual salary.

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