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FDA Electronic Submissions Gateway (ESG) User Guide ... - ICON plc

FDA Electronic Submissions Gateway (ESG) User Guide ... - ICON plc

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Upon receiving the file, signature is verified; file is unzipped/untarred, unwrapped/decryptedBecause this process is done automatically during the signing of the file, no intervention isrequired from the user to ensure the file is tarred and gzipped.Creating tar files for <strong>Gateway</strong>-to-<strong>Gateway</strong> <strong>Submissions</strong>Partners are required to both tar and gzip (compress) multifile submissions. (gzip is the originalUNIX ZIP format and is used as a compression utility to reduce the size of the archive file.)For best optimization when processing and transmitting large submission files, first "tar" the filesand then compress them using gzip. Valid files acquire a .tar.gz extension resulting from theprocess of tarring the directory (containing multiple files) and gzipping the created tar archive.The figure below illustrates this process.Upon receiving the file, signature is verified; file is unzipped/untarred, unwrapped/decrypted,delivered to Center Holding AreaTo fulfill this requirement, the current AS2 solution should have a tar and zip utility prescribed.There are Operating System-specific utilities available for performing the tar operation.If the application does not have tar/gzip capabilities, a utility must be acquired. Listed below arerecommended utilities that support tar and gzip manually (external from application) orautomatically (to be integrated with application).To create tar files: GNU Tar Utility at http://www.gnu.org/software/tar/tar.html

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