I have written a simple Java class to generate the hash values of the Windows Calculator file. I am using Windows 7 Professional with SP1. I have tried Java 6.0.29 and Java 7.0.03. Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or websites? Everything external matches … Read more
I have used hashlib (which replaces md5 in Python 2.6/3.0) and it worked fine if I opened a file and put its content in hashlib.md5() function. The problem is with very big files that their sizes could exceed RAM size. How to get the MD5 hash of a file without loading the whole file to … Read more
Someone told me that he has seen software systems that: retrieve MD5 encrypted passwords from other systems; decrypt the encrypted passwords and store the passwords in the database of the system using the systems own algorithm. Is that possible? I thought that it wasn’t possible / feasible to decrypt MD5 hashes. I know there are … Read more
There are many MD5 JavaScript implementations out there. Does anybody know which one is the most advanced, most bugfixed and fastest? I need it for this tool. 18 Answers 18
In the Flickr API docs, you need to find the MD5 sum of a string to generate the [api_sig] value. How does one go about generating an MD5 sum from a string? Flickr’s example: string: 000005fab4534d05api_key9a0554259914a86fb9e7eb014e4e5d52permswrite MD5 sum: a02506b31c1cd46c2e0b6380fb94eb3d 9 Answers 9
I’m using iTextSharp to read the text from a PDF file. However, there are times I cannot extract text, because the PDF file is only containing images. I download the same PDF files everyday, and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is … Read more
Is there any simple way of generating (and checking) MD5 checksums of a list of files in Python? (I have a small program I’m working on, and I’d like to confirm the checksums of the files). 6 Answers 6
I am looking to use Java to get the MD5 checksum of a file. I was really surprised but I haven’t been able to find anything that shows how to get the MD5 checksum of a file. How is it done? 2Best Answer 21 There’s an input stream decorator, java.security.DigestInputStream, so that you can compute … Read more
Is there any method to generate MD5 hash of a string in Java? 33 s 33
That my friend is an array of bytes. In JNI, [B is used to describe an array ([) of bytes (B). An array of ints is [I etc. You can get a bit more information on field descriptors here:JNI Types and Data Structures (Table 3-2 should be what you are looking for).
