Text Message Payload
Introduction/Additional information:
The Text Message Payload, prior to encryption, varies from 74 to 896 bits in length. Conforming to the AES Encryption scheme with a 128-bit cipher key, the encrypted part of the payload then effectively becomes 128, 256, 384, 512, 640, 768 or 896 bits in length to create blocks of 128 bits.
Permitted as from:
04/06/2014
Registrant:
USCG
Physical link:
AIS
DAC or VPFI:
366
FI / Message ID:
55
State:
deprecated
Number of slots (max):
2
Last modified:
29/01/2021 - 23:19