ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

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ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic Information25.1 Field 98.001: Record headerThe content of this field depends upon the encoding chosen. Seewww.biometrics.nist.gov/standard for the content of this field for the encodingused. In Traditional encoding, the content is the length of the record. In NIEMconformantencoding it is the record type-number.25.2 Field 98.002: Image designation character / IDCThis mandatory field shall be the IDC of the Type-98 record as found in the filecontent (CNT) field of the Type-1 record. The IDC is set to 500 for this record.This IDC is needed to complete the CNT field of record 1. It does not point toany other record in the transaction.25.3 Field 98.004: Source agency/ORI / SRCThis mandatory ASCII field shall contain the identification of the administration ororganization that has written this Record.25.4 Field 98.005: IA data creation date / DCDThis mandatory ASCII field shall contain the date and time that IA data wascreated. The YYYY characters shall represent the year the image was captured;the MM characters shall be the tens and units values of the month; the DDcharacters shall be the tens and units values of the day in the month; the hhcharacters shall be the tens and units values of the hour of the day in 24-hourformat; the mm characters shall be the tens and units values of the minute withinthe hour; the ss characters shall be the tens and units values of the second of theminute.25.5 Field 98.006: IADB format owner / DFOThis mandatory ASCII field shall be used to denote the vendor, standards body,working group, or industry consortium that has defined the format of theinformation assurance data (in the IADB). In an IA record the IADB FormatOwner and Format Type, when used in combination, should uniquely identify thespecific format of the IADB content. This IADB format definition may be published(public) or unpublished (non-public).25.6 Field 98.007: IADB format type / DFTThis mandatory field shall be used to identify the value assigned by the formatowner to represent the specific IADB Format as specified by the format owner.This may be a nonstandard, unpublished data format or a data format that hasbeen standardized by an industry group, consortium or standards body.25.7 Field 98.200-900: User-defined fields / UDFThese fields are user-definable fields. Their size and content shall be defined bythe user and be in accordance with the receiving agency. If present, they shallcontain ASCII textual information.252DRAFT 2
ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic Information25.8 Field 98.999: Information assurance data block / IADThis mandatory field shall contain the Information Assurance Data Block (IADB).26 Type-99 CBEFF biometric data recordThe Type-99 record shall contain and be used to exchange biometric data that isnot supported by other ANSI/NIST-ITL records. This data is exchanged in aformat that conforms to INCITS 398-2005, the Common Biometric ExchangeFormats Framework.The CBEFF conformant Biometric Information Record (BIR) used by the Type-99record includes a common Header and a Biometric Data Block (BDB). Twomandatory fields in the CBEFF Header are Format Owner and Format Type.The Format Owner field denotes the vendor, standards body, working group, orindustry consortium that has defined the format of the biometric data (the datacontained in the BDB). A CBEFF requirement is that format owners register withthe IBIA for an assigned identifier of the format owner. The values used in theFormat Type field are assigned by the format owner and represent a specificThe BDB format is specified by the format owner. This may be a non-standard,unpublished data format or a data format that has been standardized by anindustry group, consortium, or standards body. It is the combined CBEFFFormat Owner/Format Type value that uniquely identifies the BDB format.The Type-99 record provides the CBEFF fields necessary for users to send,receive, and interpret biometric data in any registered BDB format (with theexception of biometric data which is exchanged using the other records in thisstandard). The data carried in the Biometric Data Block field (99.999) is theBDB. The format of that data is identified by the field's BDB Format Owner andBDB Format Type as described by the CBEFF standard.MnemonicCondcode*FieldnumberCharacterTypeTable 91 Type-99 RecordField nameMinOccur countMaxBrad Wing 6/23/10 11:20 AMComment: Table now included in recorddescription; with subfields and information itemsM 99.001 RECORD HEADER 1 1IDC M 99.002 N IMAGE DESIGNATION CHARACTER 1 1RSV 98.003 RESERVED FOR FUTURE DEFINITIONSRC M 99.004 AN SOURCE AGENCY / ORI 1 1DCD M 98.005 N BIOMETRIC CREATION DATE 1 1RSV M 99.006- RESERVED FOR FUTURE DEFINITION253DRAFT 2
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