S1A Assurance Level 1

To allow for multiple assurances at the GS/GE level

Position
Element
Name
Type
Requirement
Min
Max
Repeat
S1A-01
Business Purpose of Assurance
Identifier (ID)
Mandatory
3
3
-
The stated business purpose for appending the assurance to an existing secured-entity (whether functional group or transaction set); the codes represent the intention of the business or application that has control over the assurance originator
S1A-02
Computation Methods
Composite (composite)
Mandatory
01
Assurance Algorithm
Identifier (ID)
Mandatory
3
3
-
Code specifying the algorithm used to compute the assurance token
02
Hashing Algorithm
Identifier (ID)
Mandatory
3
3
-
Code specifying the algorithm used to compute the assurance digest
S1A-03
Domain of Computation of Assurance
Identifier (ID)
Mandatory
1
2
-
Code specifying the bounds of the text, whether contiguous or not, over which the computation of the Assurance Token is computed using the defined methodology of computation and any relevant Assurance Token parameters The "body" is defined as a transaction set, beginning with the first byte of the segment immediately following the ST segment terminator and including all segments up to but not including the "S" in the first SVA segment; DO NOT include any S4A segments The "body" can also be defined as a functional group, beginning with the first byte of the segment immediately following the GS segment terminator and including all transaction sets up to but not including the "S" in the first SVA segment at the functional group level; DO NOT include any S3A segments "This Assurance" is defined as from the "S" in S3A or S4A up to and including the segment terminator of that segment "Previous Assurance(s)" is defined as including the entire S3A or S4A segment and the entire corresponding SVA segment that is associated with the S3A or S4A at the same level
S1A-04
Assurance Originator
String (AN)
Optional
1
64
-
Unique designation (identity) of the cryptographic process that performs the stated assurance on data to be interchanged Note: X9 has a required minimum length of 4 characters for a security originator; no mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier
X9 has a required minimum length of four characters for S1A04 (security originator). No mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier.
S1A-05
Assurance Recipient
String (AN)
Optional
1
64
-
Unique designation (identity) of the cryptographic process that performs validation of the stated assurance on received data. In the absence of an Assurance Recipient all potential receivers will often be able to validate the assurance because the cryptographic technique is based on a "public" (as opposed to "secret") technology Note: X9 has required minimum length of 4 characters for a security recipient; no mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier
X9 has a required minimum length of your characters for S1A05 (security recipient). No mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier.
S1A-06
Assurance Reference Number
String (AN)
Optional
1
35
-
Alphanumeric reference number issued by security assurance originator for the particular assurance in which it occurs; unique when used in combination with security originator data element
S1A-07
Date/Time Reference
String (AN)
Optional
17
25
-
Date/time stamp in format as follows: YYYYMMDDHHNNSSTTTZZZ+XXXX, where YYYY = 4 digit year (with leading century), MM = month of year (01..12), DD = day of month (01..31), HH = hour of day in 24-hour format (00..23), NN = minutes of the hour (00-59), SS = second of hour (00..59), TTT = [optional] milli-seconds (000..999), ZZZ = [optional] three character, nominal timezone indicator (including daylight savings time indicator) and XXXXX = 3-5 digit (including leading + or - sign) offset of time to universal time, with three position format indicating hours-offset for whole hours, and five position format indicating hours and minutes offset where this is necessary. For example: 1993061522133OCDT+0930 which represents 15 June 1993, 22:13 (10:13pm), Central Daylight Time (Nominal Value "CDT"), in a timezone that is offset + 9:30 from Universal Time (Australia)
The date/time stamp may determine which of several key values apply, depending on start and expiration dates of different key values that may share the same keyname.
S1A-08
Assurance Text
String (AN)
Optional
1
64
-
Any text needed to convey the name of a signatory, registration number, certification number, or other assurance-originator defined or mutually-agreed business text related to the specific assurance; this text is not defined for X12 purposes and thus functions technically as "free form text" though it may have structure that is defined by the assurance originator, an industry group, a governmental agency, or bi-laterally between assurance originator and assurance recipient
S1A-09
Assurance Token Parameters
Composite (composite)
Optional
01
Assurance Token Parameter Code
Identifier (ID)
Mandatory
2
2
-
A code specifying the type of Assurance Token Parameter
02
Assurance Token Parameter Value
String (AN)
Mandatory
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
03
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
04
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C0403: If C028-04 is present, then C028-03 is required
05
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
06
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C0605: If C028-06 is present, then C028-05 is required
07
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
08
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C0807: If C028-08 is present, then C028-07 is required
09
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
10
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C1009: If C028-10 is present, then C028-09 is required
11
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
12
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C1211: If C028-12 is present, then C028-11 is required
13
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
14
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C1413: If C028-14 is present, then C028-13 is required
15
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
16
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C1615: If C028-16 is present, then C028-15 is required
17
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
18
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C1817: If C028-18 is present, then C028-17 is required
19
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
20
Assurance Token Parameter Value
String (AN)
Optional
1
64
-
A value of a parameter, usually specifying one or more options, required for the proper operation of the cryptographic algorithm used to compute the Assurance Token; depending on the algorithm used, one or more values may be required
C2019: If C028-20 is present, then C028-19 is required
S1A-10
Assurance Digest
String (AN)
Optional
1
512
-
The result of the application of the hash defined in the methodology expressed in ASCII-hex notation

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