On a nexus 3524 you can use the following means for file md5sum checking & file-image integrity. The size of the file will determine how long it takes to complete the md5sum verification.
show bootflash:<filename> md5sum
NOTE : The NX-OS will also perform a image verification when setting the boot var
or you can execute the following;
NSE ( Network Security Expert) and Route/Switching Engineer.
kfelix -----a----t---- socpuppets ---dot---com
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