DHS / Customs / CBP

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com501

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So, basically, since 9-11, we have managed to create with all these new 'TLA's, 5 times as many new agencies, spending ten times as much budget and doing 1/4 the work as before the WTC fell? I am I not surprised. The only benefit is to my retirement bonus......
 

IMPRES2

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Here's some commo I caught today:

167.7375 P25 NAC 160 (FBI)
TG:1
RIDs: 3161945, 3161885
ENC, Alg ID= AES
KeyID: 20593

170.550 P25 NAC 293 (FBI)
TG:1
RID- 3161529
ENC

163.625 P25 NAC 100
TG 1
RIDs: 5106652, 703
ENC, AlgID= DES-OFB
KeyID= 174

163.675 P25 NAC 351

167.6375 P25 NAC 160 (FBI)
TG 1
RIDs: 3161885, 3161945
ENC, AlgID= AES
KeyID= 20593

All received in the KDTW area
May I put my hand in the cookie jar and ask what receiver you are using to see the encryption key numbers?
 

riveter

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That answers my software question, but not my hardware question: What device do I specifically need?

Any software defined radio or other radio that can output IF audio either directly or through a discriminator tap. As was mentioned, this will only show the CKR#, not the keyfill itself which is not broadcast over the air.

Also RayAir, I added your FBI RID range heard to Federal Radio ID Planning. Thank you.
 

IMPRES2

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The government is much smarter than transmitting the encyption key in the clear.


You aren't talking to a 12 year old, I understand the purpose of encryption and the reality of it being hidden.

Seeing the key name just sparked hope that someone found a device to "map" the key. There is a certain agency in my area I want to listen to but they are encrypted, and for less than better reasons at that.


If it's black and runs fast, it's a Dodge Charger.
 

kma371

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You aren't talking to a 12 year old, I understand the purpose of encryption and the reality of it being hidden.

Seeing the key name just sparked hope that someone found a device to "map" the key. There is a certain agency in my area I want to listen to but they are encrypted, and for less than better reasons at that.


If it's black and runs fast, it's a Dodge Charger.

Easy there tiger
 

com501

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Decoding AES256 = Never gonna happen in a reasonable amount of mine. I won't say the absolute never, because computers are getting faster and faster, but until puts together something the size of a Cray in a laptop, ain't gonna happen.
 

IMPRES2

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Time needs to hurry along


If it's black and runs fast, it's a Dodge Charger.
 

riveter

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You aren't talking to a 12 year old, I understand the purpose of encryption and the reality of it being hidden.

Seeing the key name just sparked hope that someone found a device to "map" the key. There is a certain agency in my area I want to listen to but they are encrypted, and for less than better reasons at that.


If it's black and runs fast, it's a Dodge Charger.

Tread carefully. 18 USC 2511 (2)(g) specifically states that it is not unlawful to intercept public radio communications that are readily accessible to the general public. Case law says that for the communications you're talking about, the term readily accessible to the general public does not apply if the communications are encrypted or carried on a modulation that has been withheld from public distribution/knowledge for privacy reasons.

Regardless of technical capacity (a "device to map the key") or your own rationalizations, decrypting encrypted communications for which you are not an authorized receiver is a violation of that section and can land you 5 years in the nick and/or a heavy fine just by itself. That's not fuzzy, that's clear statute and caselaw. I think the administrators here will also sharply tell you that discussion of methods for illegal radio activity (or illegal activity in general) are heavily frowned upon here. Please, be careful, be smart, and don't kick that sleeping dog.
 
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bailly2

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Everytime someone talks about decrypting radio comms its funnier than carrot tops comedy routine. And why does someone remind them its a felony like they just got a supercomputer in the mail and are friends with a cryptologist?
 
D

DaveNF2G

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The attempt is a crime, even if you have no chance of succeeding.
 

snowmn

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I agree with bailly2. Every time this comes up the internet police show up. Please stop because nobody is going to be able to decrypt anything including ADP encryption. Most scanner users have a hard enough time with voice inversion. Then the discussion that des has been broken always comes up but no hobbyist has done that with a transmission over the radio,
 
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