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Security algorithm
UN/EDIFACT Syntax Version 4 Segment List |
| Function: | To identify a security algorithm, the technical usage made of it, and to contain the technical parameters required. |
| This segment also occurs in the following versions of this standard:
40000, 40100 |
| Pos |
Segment |
M/C |
Repeat |
Repr. |
Notes |
| 010 |
|
S502 |
SECURITY ALGORITHM |
M |
1 |
|
|
|
|
0523 |
Use of algorithm, coded |
M |
|
an..3 |
|
|
|
0525 |
Cryptographic mode of operation, coded |
C |
|
an..3 |
|
|
|
0533 |
Mode of operation code list identifier |
C |
|
an..3 |
|
|
|
0527 |
Algorithm, coded |
C |
|
an..3 |
|
|
|
0529 |
Algorithm code list identifier |
C |
|
an..3 |
|
|
|
0591 |
Padding mechanism, coded |
C |
|
an..3 |
|
|
|
0601 |
Padding mechanism code list identifier |
C |
|
an..3 |
|
| 020 |
|
S503 |
ALGORITHM PARAMETER |
C |
9 |
|
|
|
|
0531 |
Algorithm parameter qualifier |
M |
|
an..3 |
|
|
|
0554 |
Algorithm parameter value |
M |
|
an..512 |
|
| Pos | Position |
|---|
| M/C | Mandatory or Conditional |
|---|
| Repr. | Representation (Data or Content Type) |
|---|
| Notes: |
|---|
| 1. | S503, provides space for one parameter. The number of repetitions of S503 actually used will depend on the algorithm used. The order of the parameters is arbitrary but, in each case, the actual value is preceded by a coded algorithm parameter qualifier. |
|---|
| Change indicators |
|
plus sign |
|
An addition. |
|
asterisk |
|
Addition/substraction/change to a code entry for a particular data element. |
|
hash or pound sign |
|
Changes to names. |
|
vertical bar |
|
Changes to text for descriptions, notes and functions. |
|
minus sign |
|
A deletion. |
|
letter X |
|
Marked for deletion. |
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