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seal textfiles in BizTalk

Also by EldoS: SecureBlackbox
200+ components and classes for digital security, signing, encryption and secure networking.
#32252
Posted: 02/17/2015 10:34:23
by Jordy Lismond (Basic support level)
Joined: 02/17/2015
Posts: 2

Hi!

I need to seal text-files in BizTalk with HMAC256.
Have tried XMLSigner but it only works on xml-files.

Now I need an advice of an easy way to do this.

Thanks in advance.
#32253
Posted: 02/17/2015 10:57:14
by Eugene Mayevski (EldoS Corp.)

Thank you for your interest in our products.

There exist different ways and formats to sign the files. BizCrypto can help you in most cases but you should know the exact format for the resulting signature (and/or signed file). Then we can help you. HMAC256 is not a standard, it's just a cryptographic scheme.


Sincerely yours
Eugene Mayevski
#32254
Posted: 02/17/2015 11:06:52
by Eugene Mayevski (EldoS Corp.)

If you don't know the exact resulting format, you are welcome to post the excerpt from the documentation, relevant to your task. We will try to understand it :)


Sincerely yours
Eugene Mayevski
#32260
Posted: 02/18/2015 05:57:18
by Jordy Lismond (Basic support level)
Joined: 02/17/2015
Posts: 2

Thanks for reply! We have bought BizCrypto and have used the XMLSigner pipeline component to seal xml-documents. SignatuteMethodType=HMAC, SignatureMethod=RSASHA256. However since the receiver don't take xml-format-files we want to do exactly the same sealing but on a text-file. Is there another component in BizCrypto that we can use to sign text-files?

Or do we have to make our own code like in: https://eldos.com/forum/read.php?FID=7&TID=3097 ? In that case it seems that we need the SecureBlackbox product, is that right?

Attached is an example what a file we wanna seal looks like.


[ Download ]
#32262
Posted: 02/18/2015 07:00:13
by Ken Ivanov (EldoS Corp.)

Hi Jordy,

The file doesn't seem to contain any HMAC signature. It only contains a number of records, none of which constitutes what might look like a valid HMAC digest.

When sealing XML documents the digest is put inside the document and sent over to the destination together with it. With text files it is not clear how to attach the digest to the file or how to deliver it to the destination if it is sent separately. This should be established before setting off with the implementation.

Ken
Also by EldoS: Solid File System
A virtual file system that offers a feature-rich storage for application documents and data with built-in compression and encryption.

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