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If it's mototrbo and there is a PI header it is extremely likely it's 40
bit RC4.
Hytera DMR systems set a privacy bit to indicate encryption. If it
indicates just "enc", it's Hytera Basic Encrypt in either 40,128, or a 256
bit key.
If there's indications of MI's on a Hytera system, it can be Hytera Full
Encrypt in either 40 bit (RC4), AES 128 or 256 DMRA or Hytera proprietary
AES.
Hytera XPT systems are limited to Hytera Basic Encrypt or Hytera Full
Encrypt proprietary AES 128 or 256.
Hytera AES 256 DMRA works with MotoTRBO AES.
Sorry, but since you don't own that encrypted system, I cannot take a look
at it.
You can't tell the difference over the air. The presence of the PI header
basically indicates that it's EP/RC4 or AES. They don't use a true AlgID
like P25 does.
On October 25, 2016 2:49:05 PM EDT, Tristan M Tozer < [email protected]> wrote:
What Forts said.
If it's mototrbo and there is a PI header it is extremely likely it's 40
bit RC4.
Hytera DMR systems set a privacy bit to indicate encryption. If it
indicates just "enc", it's Hytera Basic Encrypt in either 40,128, or a 256
bit key.
If there's indications of MI's on a Hytera system, it can be Hytera Full
Encrypt in either 40 bit (RC4), AES 128 or 256 DMRA or Hytera proprietary
AES.
Hytera XPT systems are limited to Hytera Basic Encrypt or Hytera Full
Encrypt proprietary AES 128 or 256.
Hytera AES 256 DMRA works with MotoTRBO AES.
Sorry, but since you don't own that encrypted system, I cannot take a look
at it.
On Oct 25, 2016 2:56 PM, "Forts117" [email protected] wrote:
Originally posted by @cryptonomicon in #50 (comment)
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