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"256-bit encryption" doesn't tell us anything. What's the algorithm? Where's the implementation?

AES-256 for example, is considered uncrackable. But it's perfectly possible that Motorola is using something wacky and home-grown and calls it "256-bit" just to get the bullet-point on the box.

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The standard in question (P25) is indeed using AES-256.

Not necessarily. It provides for all sorts of encryption schemes, including none.

That and they're likely LMR not P25 being in the part of Europe they're in.

AES is the only one supported with 256bit key length.

Or an RSA private key of a mere 256 bits, which would be way too small. :-)

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