What is the best way to calculate a checksum for a file that is on my machine

Question

I m on a Windows machine and I want to run a checksum on the MySQL distribution I just got   It looks like there are products to download  an unsupported Microsoft tool  and probably other options   I m wondering if there is a consensus for the best tool to use   This may be a really easy question  I ve just never run a checksum routine before

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To calculate md5 of all the files in the current directory in windows 7   for  i in     DO CertUtil -hashfile  i MD5

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When I worked with Windows  I found handy HashTab 3rd party tool  It shows MD5  SHA-1 check sums in one of file properties tabs  http   implbits com products hashtab

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QuickHash an open source tool supporting MD5  SHA1  SHA256  SHA512 and available for the Linux  Windows  and Apple Mac   https   sourceforge net projects quickhash

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Best utility for Windows is HashCheck that is now on GitHub  https   github com gurnec HashCheck releases tag v2 4 0  Install HashCheck  Now right click on the file -  Create verification file  It will create a file extension md5 file with MD5 code in it   Love it

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Just to add another option for Windows users  the Get-FileHash PowerShell cmdlet can be used  https   technet microsoft com en-us library dn520872 aspx    Example usage  Get-FileHash MyImage iso -Algorithm MD5  If all you re after is just the raw hash then   Get-FileHash MyImage iso -Algorithm MD5  Hash

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I personally use Cygwin  which puts the entire sm  rg  sbord of Linux utilities at my fingertip --- there s md5sum and all the cryptographic digests supported by OpenSSL  Alternatively  you can also use a Windows distribution of OpenSSL  the  light  version is only a 1 MB installer

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The CertUtil is a pre-installed Windows utility  that can be used to generate hash checksums   CertUtil -hashfile pathToFileToCheck  HashAlgorithm    HashAlgorithm choices  MD2 MD4 MD5 SHA1 SHA256 SHA384 SHA512  So for example  the following generates an MD5 checksum for the file C  TEMP MyDataFile img   CertUtil -hashfile C  TEMP MyDataFile img MD5   To get output similar to  Nix systems you can add some PS magic     CertUtil -hashfile C  TEMP MyDataFile img MD5  1  -replace

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The Powershell utility Get-FileHash worked perfectly for me    https   msdn microsoft com en-us powershell reference 5 1 microsoft powershell utility get-filehash

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Checksum tabs  http   code kliu org hashcheck   This has worked great for me on windows for a while now  It allows easy copying and pasting of checksums  It has box to type paste check sums from webpages and show matches or non matches quite well

User · Answer

I personally use Cygwin  which puts the entire sm  rg  sbord of Linux utilities at my fingertip --- there s md5sum and all the cryptographic digests supported by OpenSSL  Alternatively  you can also use a Windows distribution of OpenSSL  the  light  version is only a 1 MB installer

User · Answer

In  HPUX   hp UNIX   Please install the md5sum package on your UNIX machine for example  if there is a file called a txt   shell  gt  md5sum a txt

User · Answer

Best utility for Windows is HashCheck that is now on GitHub  https   github com gurnec HashCheck releases tag v2 4 0  Install HashCheck  Now right click on the file -  Create verification file  It will create a file extension md5 file with MD5 code in it   Love it

User · Answer

To calculate md5 of all the files in the current directory in windows 7   for  i in     DO CertUtil -hashfile  i MD5

User · Answer

I personally use Cygwin  which puts the entire sm  rg  sbord of Linux utilities at my fingertip --- there s md5sum and all the cryptographic digests supported by OpenSSL  Alternatively  you can also use a Windows distribution of OpenSSL  the  light  version is only a 1 MB installer

User · Answer

Hashing is a standalone application that performs MD5  SHA-1 and SHA-2 family  Built upon OpenSSL

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On MySQL com  MD5s are listed alongside each file that you can download   For instance  MySQL  Windows Essentials  5 1 is 528c89c37b3a6f0bd34480000a56c372   You can download md5  md5 exe   a command line tool that will calculate the MD5 of any file that you have locally   MD5 is just like any other cryptographic hash function  which means that a given array of bytes will always produce the same hash   That means if your downloaded MySQL zip file  or whatever  has the same MD5 as they post on their site  you have the exact same file

User · Answer

Just use win32 Checksum api  MD5 is native in Win32

User · Answer

QuickHash an open source tool supporting MD5  SHA1  SHA256  SHA512 and available for the Linux  Windows  and Apple Mac   https   sourceforge net projects quickhash

User · Answer

Just use win32 Checksum api  MD5 is native in Win32

User · Answer

In  HPUX   hp UNIX   Please install the md5sum package on your UNIX machine for example  if there is a file called a txt   shell  gt  md5sum a txt

User · Answer

Just to add another option for Windows users  the Get-FileHash PowerShell cmdlet can be used  https   technet microsoft com en-us library dn520872 aspx    Example usage  Get-FileHash MyImage iso -Algorithm MD5  If all you re after is just the raw hash then   Get-FileHash MyImage iso -Algorithm MD5  Hash

User · Answer

On MySQL com  MD5s are listed alongside each file that you can download   For instance  MySQL  Windows Essentials  5 1 is 528c89c37b3a6f0bd34480000a56c372   You can download md5  md5 exe   a command line tool that will calculate the MD5 of any file that you have locally   MD5 is just like any other cryptographic hash function  which means that a given array of bytes will always produce the same hash   That means if your downloaded MySQL zip file  or whatever  has the same MD5 as they post on their site  you have the exact same file

User · Answer

On MySQL com  MD5s are listed alongside each file that you can download   For instance  MySQL  Windows Essentials  5 1 is 528c89c37b3a6f0bd34480000a56c372   You can download md5  md5 exe   a command line tool that will calculate the MD5 of any file that you have locally   MD5 is just like any other cryptographic hash function  which means that a given array of bytes will always produce the same hash   That means if your downloaded MySQL zip file  or whatever  has the same MD5 as they post on their site  you have the exact same file

User · Answer

Just use win32 Checksum api  MD5 is native in Win32

User · Answer

Download fciv exe directly from http   www microsoft com en-us download confirmation aspx id 11533 shell gt  fciv exe  yourfile   will give you md5 by default  You can read up the help file fciv exe -h

User · Answer

Checksum tabs  http   code kliu org hashcheck   This has worked great for me on windows for a while now  It allows easy copying and pasting of checksums  It has box to type paste check sums from webpages and show matches or non matches quite well

User · Answer

Hashing is a standalone application that performs MD5  SHA-1 and SHA-2 family  Built upon OpenSSL

User · Answer

7-Zip can be used to generate hashes for files  folders of files  and trees of folders of files   7-Zip is small footprint and a very useful compression utility   http   7-zip org

User · Answer

Just use win32 Checksum api  MD5 is native in Win32

User · Answer

Note that the above solutions will not tell you if your installation is correct only if your install exe is correct  you can trust it to produce a correct install    You would need MD5 sums for each file folder to test if the installed code has been messed with after the install completed   WinMerg is useful to compare two installs  on two different machines perhaps  to see if one has been changed or why one is broken

User · Answer

The Powershell utility Get-FileHash worked perfectly for me    https   msdn microsoft com en-us powershell reference 5 1 microsoft powershell utility get-filehash

User · Answer

When I worked with Windows  I found handy HashTab 3rd party tool  It shows MD5  SHA-1 check sums in one of file properties tabs  http   implbits com products hashtab

User · Answer

I like to use HashMyFiles for windows

User · Answer

Download fciv exe directly from http   www microsoft com en-us download confirmation aspx id 11533 shell gt  fciv exe  yourfile   will give you md5 by default  You can read up the help file fciv exe -h

User · Answer

Any MD5 will produce a good checksum to verify the file   Any of the files listed at the bottom of this page will work fine   http   en wikipedia org wiki Md5sum

User · Answer

I like to use HashMyFiles for windows

User · Answer

7-Zip can be used to generate hashes for files  folders of files  and trees of folders of files   7-Zip is small footprint and a very useful compression utility   http   7-zip org

User · Answer

On MySQL com  MD5s are listed alongside each file that you can download   For instance  MySQL  Windows Essentials  5 1 is 528c89c37b3a6f0bd34480000a56c372   You can download md5  md5 exe   a command line tool that will calculate the MD5 of any file that you have locally   MD5 is just like any other cryptographic hash function  which means that a given array of bytes will always produce the same hash   That means if your downloaded MySQL zip file  or whatever  has the same MD5 as they post on their site  you have the exact same file

User · Answer

Note that the above solutions will not tell you if your installation is correct only if your install exe is correct  you can trust it to produce a correct install    You would need MD5 sums for each file folder to test if the installed code has been messed with after the install completed   WinMerg is useful to compare two installs  on two different machines perhaps  to see if one has been changed or why one is broken

User · Answer

for sure the certutil is the best approach but there s a chance to hit windows xp 2003 machine without certutil command There makecab command can be used which has its own hash algorithm - here the fileinf bat which will output some info about the file including the checksum

User · Answer

On Windows   you can use FCIV utility   http   support microsoft com kb 841290  On Unix Linux   you can use md5sum   http   linux about com library cmd blcmdl1 md5sum htm

User · Answer

Note that the above solutions will not tell you if your installation is correct only if your install exe is correct  you can trust it to produce a correct install    You would need MD5 sums for each file folder to test if the installed code has been messed with after the install completed   WinMerg is useful to compare two installs  on two different machines perhaps  to see if one has been changed or why one is broken

User · Answer

Note that the above solutions will not tell you if your installation is correct only if your install exe is correct  you can trust it to produce a correct install    You would need MD5 sums for each file folder to test if the installed code has been messed with after the install completed   WinMerg is useful to compare two installs  on two different machines perhaps  to see if one has been changed or why one is broken

User · Answer

I personally use Cygwin  which puts the entire sm  rg  sbord of Linux utilities at my fingertip --- there s md5sum and all the cryptographic digests supported by OpenSSL  Alternatively  you can also use a Windows distribution of OpenSSL  the  light  version is only a 1 MB installer

User · Answer

Any MD5 will produce a good checksum to verify the file   Any of the files listed at the bottom of this page will work fine   http   en wikipedia org wiki Md5sum

User · Answer

Any MD5 will produce a good checksum to verify the file   Any of the files listed at the bottom of this page will work fine   http   en wikipedia org wiki Md5sum

User · Answer

for sure the certutil is the best approach but there s a chance to hit windows xp 2003 machine without certutil command There makecab command can be used which has its own hash algorithm - here the fileinf bat which will output some info about the file including the checksum

User · Answer

On Windows   you can use FCIV utility   http   support microsoft com kb 841290  On Unix Linux   you can use md5sum   http   linux about com library cmd blcmdl1 md5sum htm

User · Answer

Any MD5 will produce a good checksum to verify the file   Any of the files listed at the bottom of this page will work fine   http   en wikipedia org wiki Md5sum

User · Answer

The CertUtil is a pre-installed Windows utility  that can be used to generate hash checksums   CertUtil -hashfile pathToFileToCheck  HashAlgorithm    HashAlgorithm choices  MD2 MD4 MD5 SHA1 SHA256 SHA384 SHA512  So for example  the following generates an MD5 checksum for the file C  TEMP MyDataFile img   CertUtil -hashfile C  TEMP MyDataFile img MD5   To get output similar to  Nix systems you can add some PS magic     CertUtil -hashfile C  TEMP MyDataFile img MD5  1  -replace

[windows] What is the best way to calculate a checksum for a file that is on my machine?

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