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Segment
in
X12 Release 003070

S2A Assurance Level 2

To allow for multiple assurances at the ST/SE level
Sequence
Element
Name
Type
Requirement
Min
Max
Repeat
01
1432
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
Codes (11)
02
Computation Methods
Composite (composite)
Mandatory
01
Assurance Algorithm
Identifier (ID)
Mandatory
3
3
-
Code specifying the algorithm used to compute the assurance token
Codes (6)
02
Hashing Algorithm
Identifier (ID)
Mandatory
3
3
-
Code specifying the algorithm used to compute the assurance digest
Codes (6)
03
Domain of Computation of Assurance Digest
Identifier (ID)
Mandatory
1
2
-
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 either a transaction set (beginning with the ST and including all segments up to the first S2A segment, but excluding any S2S segment) or functional group (beginning with the GS and including all transaction sets up to the first S1A segment, but excluding any S1S segment "This Assurance" is defined as from the "S" in S1A or S2A up to and including the data element separator preceeding the assurance digest "Previous Assurance(s)" is defined as including the entire S1A or S2A segment and the entire SVA that follows the included S1A or S2A
Codes (6)
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 S2A04 (security originator). No mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier.
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 potenial 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 four characters for S2A05 (security recipient). No mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier.
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
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.
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
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
Codes (10)
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
Codes (10)
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
05
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
07
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
09
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
11
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
13
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
15
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
17
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
19
Assurance Token Parameter Code
Identifier (ID)
Conditional
2
2
-
A code specifying the type of Assurance Token Parameter
Codes (10)
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
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
Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference and Mapping Guides are provided for marketing purposes and are free of charge. All names, logos, and brands of third parties listed on our site are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Our use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.
Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference and Mapping Guides are provided for marketing purposes and are free of charge. All names, logos, and brands of third parties listed on our site are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Our use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.