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(ASC X12) 996 Initialization Vector


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

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ANSI X12 EDI S3SSecurity Header Level 1
ANSI X12 EDI S4SSecurity Header Level 2
ANSI X12 EDI S1SSecurity Header Level 1
ANSI X12 EDI S2SSecurity Header Level 2
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