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Add DES(56) and AES(128/256) OFB Decryption to P25 .mbe file playback; #329

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This does not include DES-XL due to needing to know HDU or LDU2 and complications of SDRtrunk P1 ESS handling, and also unknown Phase 2 method for XL.

Nor TDEA (never observed on P25 despite in spec);
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lwvmobile
2025-12-29 22:25:23 -05:00
parent abf28593b1
commit eddd6cb8b1
2 changed files with 101 additions and 12 deletions
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include/dsd.h
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@@ -1643,6 +1643,7 @@ unsigned long long int hytera_lfsr(uint8_t * mi, uint8_t * taps, uint8_t len);
void hytera_enhanced_alg_refresh(dsd_state * state);
//LFSR to expand either a DMR 32-bit or P25/NXDN 64-bit MI into a 128-bit IV for AES
void lfsr_64_to_128(uint8_t * iv);
void LFSR128(dsd_state * state);
void LFSR128n(dsd_state * state);
void LFSR128d(dsd_state * state);