03/12/2021
(ASC X12) 996 Initialization Vector
TYPE=AN MIN=16 MAX=512
The archival representation of a value expressed in hexadecimal notation as ASCII characters from the set of characters (0..9, A..F); the value is used as a starting point for encryption of a data sequence to increase security by introducing cryptographic variance and to synchronize cryptographic equipment; a new Initialization Vector (IV) shall be used for each message; the IV shall not be intentionally reused; the binary value, not its ASCII representation, is used for the cryptographic process; in the interchange process, the resultant encrypted and filtered IV is sent; the hexadecimal notation is the representation for archiving purposes; the IV shall be a random or pseudo-random number
Appears in
| ANSI X12 EDI S3S | Security Header Level 1 |
| ANSI X12 EDI S4S | Security Header Level 2 |
| ANSI X12 EDI S1S | Security Header Level 1 |
| ANSI X12 EDI S2S | Security Header Level 2 |
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