Subject: [xsl] Merkle Tree Algorithm and SHA-256 From: "Vasu Chakkera vasucv@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Sun, 5 Jan 2020 18:43:52 -0000 |
Hello All, Wish you all a very happy new year.. I am having to do a Merkle Tree algorithm for doing the checksum of files when moving files from to AWS from the local network ( on-prem) . I have a number of solutions for this. Using Java, Node JS etc. While I was implementing this, I couldn't stop thinking about the similarity of the Merkle Tree and XML tree and how we can implement this using XSLT. The following is the representation of Merkle tree https://en.wikipedia.org/wiki/Merkle_tree#/media/File:Hash_Tree.svg My XSLT script in general is ready except for the hash part, and I am not sure if there is a way to execute SHA-256 on the files using XSLT. My script serializes an XML Tree and creates hash attributes for each of the nodes. If anyone has implemented sha-256 hashing from XSLT, I would like to know. Alternatively I would have to write something up in Java and call it from XSLT. Vasu
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