S4A Assurance Header Level 2

To allow for multiple assurances at the ST/SE level

Position: S4A-01 · Element: 1621 · Name: Security Version/Release Identifier Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 6 · Max: 6 · Repeat: 1

Code indicating the version/release of the ASC X12 standard that is being used for this specific security structure. The version/release identified for this segment also applies to any corresponding trailer or security value segment. This version/release is independent of any other version/release identified in another security segment at the transaction set or functional group level. This version/release is independent of the version/release identified at the interchange or functional group level

Position: S4A-02 · Element: 1432 · Name: Business Purpose of Assurance Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 3 · Max: 3 · Repeat: 1

Code specifying the business purpose of the appended 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

S4A-03 C034 Computation Methods Composite (composite) Mandatory 1

Position: 01 · Element: 1574 · Name: Assurance Algorithm Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 3 · Max: 3 · Repeat: -

Code specifying the algorithm used to compute the assurance token

Position: 02 · Element: 1575 · Name: Hashing Algorithm Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 3 · Max: 3 · Repeat: -

Code specifying the algorithm used to compute the assurance digest

Position: S4A-04 · Element: 1434 · Name: Domain of Computation of Assurance Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 2 · Repeat: 1

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

Position: S4A-05 · Element: 1435 · Name: Assurance Originator · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: 1

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 required minimum length of four characters for S4A05 (assurance originator). No mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of the identifier.

Position: S4A-06 · Element: 1436 · Name: Assurance Recipient · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: 1

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 four characters for S4A06 (assurance recipient). No mechanism, or registration method, is provided by X9 or X12 to guarantee uniqueness of identifier.

Position: S4A-07 · Element: 1443 · Name: Assurance Reference Number · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 35 · Repeat: 1

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

Position: S4A-08 · Element: 1437 · Name: Date Time Stamp · Type: String (AN) · Requirement: Optional · Min: 17 · Max: 25 · Repeat: 1

Date and 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.

Position: S4A-09 · Element: 1438 · Name: Assurance Text · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: 1

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

S4A-10 C050 Certificate Look-up Information Composite (composite) Optional 1

Position: 01 · Element: 1675 · Name: Look-up Value Protocol Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Code specifying the protocol used to identify a certificate

Position: 02 · Element: 1570 · Name: Filter ID Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 3 · Max: 3 · Repeat: -

Code specifying the type of filter used to convert data code values

Position: 03 · Element: 799 · Name: Version Identifier · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 30 · Repeat: -

Revision level of a particular format, program, technique or algorithm

Position: 04 · Element: 1565 · Name: Look-up Value · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 4,096 · Repeat: -

Value used to identify a certificate containing a public key

Position: 05 · Element: 1675 · Name: Look-up Value Protocol Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the protocol used to identify a certificate

P05060708: If either C050-05, C050-06, C050-07 or C050-08 are present, then the others are required

Position: 06 · Element: 1570 · Name: Filter ID Code · Type: Identifier (ID) · Requirement: Conditional · Min: 3 · Max: 3 · Repeat: -

Code specifying the type of filter used to convert data code values

Position: 07 · Element: 799 · Name: Version Identifier · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 30 · Repeat: -

Revision level of a particular format, program, technique or algorithm

Position: 08 · Element: 1565 · Name: Look-up Value · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 4,096 · Repeat: -

Value used to identify a certificate containing a public key

Position: 09 · Element: 1675 · Name: Look-up Value Protocol Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the protocol used to identify a certificate

P09101112: If either C050-09, C050-10, C050-11 or C050-12 are present, then the others are required

Position: 10 · Element: 1570 · Name: Filter ID Code · Type: Identifier (ID) · Requirement: Conditional · Min: 3 · Max: 3 · Repeat: -

Code specifying the type of filter used to convert data code values

Position: 11 · Element: 799 · Name: Version Identifier · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 30 · Repeat: -

Revision level of a particular format, program, technique or algorithm

Position: 12 · Element: 1565 · Name: Look-up Value · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 4,096 · Repeat: -

Value used to identify a certificate containing a public key

S4A-11 C028 Assurance Token Parameters Composite (composite) Optional 1

Position: 01 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 02 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 64 · Repeat: -

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

Position: 03 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 04 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 05 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 06 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 07 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 08 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 09 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 10 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 11 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 12 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 13 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 14 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 15 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 16 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 17 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 18 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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

Position: 19 · Element: 1439 · Name: Assurance Token Parameter Code · Type: Identifier (ID) · Requirement: Conditional · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of Assurance Token Parameter

Position: 20 · Element: 1442 · Name: Assurance Token Parameter Value · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 64 · Repeat: -

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