.SHA File Extension
GodMode9 SHA SysNAND Crosscheck File
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What is an SHA file?
An SHA file is a checksum file created by GodMode9, a Nintendo 3DS file browser. It contains a value used to verify the integrity of a Nintendo 3DS SysNAND backup. SHA files are created using the SHA-256 checksum algorithm.
GodMode9 allows users to back up the data stored on their Nintendo 3DS's internal storage system, which is commonly referred to as SysNAND. When a user backs up their data, GodMode9 creates a .BIN file that contains the backed-up data and an SHA file that contains a checksum. Before the user stores their BIN file or uses the file to restore their data, they can use the SHA file to verify the BIN file's integrity.
For example, a user can:
- Create an SHA file for their SysNAND contents before backing up their data.
- Back up their data and produce a second SHA file.
- Compare the two files' values to ensure their data was backed up correctly.
How to open an SHA file
You can open an SHA file in any text editor, such as Microsoft Notepad (Windows), Apple TextEdit (Mac), or GitHub Atom (cross-platform). Doing so will allow you to view the checksum value your SHA file contains (and likely, compare it to the value stored in another SHA file).