[OASIS Issue Tracker] (DSSX-59) Date/Date-time modelling in JSON

[ https://issues.oasis-open.org/browse/DSSX-59?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=74743#comment-74743 ] 

Andreas Kuehne commented on DSSX-59:
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That's definitly a severe flaw. Must be fixed!

> Date/Date-time modelling in JSON
> --------------------------------
>
>                 Key: DSSX-59
>                 URL: https://issues.oasis-open.org/browse/DSSX-59
>             Project: OASIS Digital Signature Services eXtended (DSS-X) TC
>          Issue Type: Improvement
>            Reporter: Andreas Kuehne
>            Assignee: Andreas Kuehne
>            Priority: Major
>
> Received thru the DSS-X public comments list from Neil Crossley on the 2019-08-23:
> Â
> The JSON schema and Swagger schema are consistent in their modelling of date-time:
> Swagger: 
> [https://swagger.io/docs/specification/data-models/data-types/#string]
> JSON schema draft 4 validation: 
> [https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-7.3.1]
> JSON schema latest validation: 
> [https://json-schema.org/latest/json-schema-validation.html#rfc.section.7.3.1]
> Â
> That is, time is represented as a string with a specific format. The JSON schema declaration looks like this:
>  type: 'string'
>  format: 'date-time'
> Instead, dss-core consistently employs the following:
>  type: 'number'
>  format: 'utc-millisec'
> The use of number instead of string does not conform to the standard. While a lossless transformation is possible, I would like to point out that this is a custom, non-standard declaration that may not always be supported by the employable tools.



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