Top "Checksum" questions

A checksum or hash sum is a fixed-size datum computed from an arbitrary block of digital data for the purpose of detecting accidental errors that may have been introduced during its transmission or storage.

How can I force Liquibase to recalculate checksums without re-running the statements?

We're using Liquibase 3.2 with Java 6. Is there a way I can force Liquibase to recalculate checksums without re-running the same …

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Hash Code and Checksum - what's the difference?

My understanding is that a hash code and checksum are similar things - a numeric value, computed for a block …

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Is it possible to get identical SHA1 hash?

Given two different strings S1 and S2 (S1 != S2) is it possible that: SHA1(S1) == SHA1(S2) is True? If …

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CRC-CCITT Implementation

I am using the following function to generate a CRC sum and it doesn't appear to be returning the same …

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How do I do a SHA1 File Checksum in C#?

How do I use the SHA1CryptoServiceProvider() on a file to create a SHA1 Checksum of the file?

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How to generate a checksum for an java object

I'm looking for a solution to generate a checksum for any type of Java object, which remains the same for …

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How do I validate a UPC or EAN code?

I need a C# .NET function to evaluate whether a typed or scanned barcode is a valid Global Trade Item …

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Calculate checksum for Laboratory Information System (LIS) frames

I'm developing an instrument driver for a Laboratory Information System. I want to know how to calculate the checksum of …

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How does git compute file hashes?

The SHA1 hashes stored in the tree objects (as returned by git ls-tree) do not match the SHA1 hashes of …

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OpenCV 3.0 Trouble with Installation

I need OpenCV3.0 since it supports some new functions which I need. I used the following code for installation (I …

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