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Questions tagged [timestamping]

67 questions
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Trusted Timestamps - understanding the format (rfc3161)

[edit: I've written a blogpost that explains everything in detail: look here] Hi! I'm desperately trying to build a service for trusted timestamps based on rfc3161. I've decided to use the free trusted timestamp service at zeitstempel.dfn.de. My…
David Müller
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Hardware Timestamping using tcpdump

(Applogies for my bad english in advance. I'm not a native speaker) I'm currently working on my Bachelors Thesis. The aim of my project is to accuratly and precisely timestamp Packages(it has to be at least precise in the tenth of microsecond…
Saddun
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Timestamping using TSA URL and Java APIs

Can anyone please help me in understanding the process and Java APIs used while timestamping a signature. I need to sign a file and timestamp it using TSA url "http://timestamp.globalsign.com/scripts/timstamp.dll" using Java APIs. I am able to sign…
Nishant Kumar
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Grails - Using automatic timestamps, with varieable other than dateCreated and lastUpdated

Am currently working on a Grails project, that was previously written in some other language. So we have this DB, whose table and column names, we aren't suppose to change. Now the problem is, the column name used for time-stamping is not…
Ashish Joseph
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quickfix sendingtime (field 52) dropping milliseconds

I'm running QuickFix with the Python API and connecting to a TT FIX Adapter using FIX4.2 I'm successfully logging on and sending a market data request. The replies are fine. In my message logs (both screen logs and file logs) I am getting a…
Wapiti
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ObjectContext's SavingChanges: find out which columns have changed?

I'm handling ObjectContext's SavingChanges event to timestamp entries. The requirement is that, if only ColumnA has changed, I don't timestamp the entry when it changes. Is there a way that I can find out which columns have changed (are changing)…
lance
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Timestamping XML using DSIG

I need to timestamp an XML file. Is there any solution on this? I can make an digital signature and put it into XML-DSIG structure, but i need to do it with timestamp. Principialy it is the same process. Signing i do myself, timestamping do TSA…
Achiles
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When doing an upsert to MongoDb is it possible to set a field with a timestamp only if other data in the record has changed?

We need to cache records for a service with a terrible API. This service provides us with API to query for data about our employees, but does not inform us whether employees are new or have been updated. Nor can we filter our queries to them for…
Brian Kessler
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Python for generating Timestamps for a manually transcribed .wav file

I am trying to automate the generation of timestamps for speech and silences in .wav files. My Input: Multiple .wav files with speech in English. All these .wav files have already been manually transcribed. My Goal: To generate timestamps for the…
Varun S
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Digital Signature With TSA Timestamping and building revocation information for PDF with OID pdfRevocationInfoArchival in Java

Digital Signature Timestamping and Revocation information in PDF OID We already have an complete Electronic Signature PKI setup. We issues user end certifcates with conformance to CCA India and this certificate is further used for electronic…
Nikhil Wankhade
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Linux HW packet Timestamping unexpected jitter

I used the code proposed by Stargateur in this post that works very well (thanks !!!) I used it to compare tx timestamping from NIC1 to rx timestamping from NIC2 on another machine, both being directly linked with 1 meter cable. I expected to have a…
OMarce
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GUI-displayed timestamps in python program not refreshing?

Ok so I've recently written a python-based punchclock program for my company to replace their old paper-and-stamp punchcard system. The idea is that everyone has access key cards to get in the doors in the morning, so we're using an RFID reader…
zacstrick
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Is there a way in Install4j to expose additional logging output during counter signing?

I'm encountering a counter signing error while building an installer Creating media file 'Multi-File Windows': Collecting files: Compiling launchers: Creating media file: Signing executable install4j: compilation failed. Reason:…
Mark4Nier
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Tracking and logging entities with timestamp and namestamping in Simulink SIMEVENTS

I am working on a project involving discrete event system in production engineering. I am new to Simevents (used to simulate discrete event systems) in SIMULINK. The entities generate block generates entities for the system. For my project, it is…
Arun Kumar
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Where exactly a timestamp is set?

I need to know at what exact point the timestamp for receiving or sent frames on a NIC is set. I have already searched a lot, but i can't find anything, which really helped me. For the sending-case it could be for example: when the first Bit left…
Joojoo
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