Generate and Verify SHA-384 Hash of File in Linux

Generate and Verify SHA-384 Hash of File in Linux

SHA-384 is a cryptographic hash function that can be used for file integrity verification. For example, to check that the file has not been altered during transfer over the network. This tutorial demonstrates how to generate and verify SHA-384 hash of file in Linux.

Generate SHA-384 hash

For testing purpose, create a new file:

printf 'Hello world' > test.txt

Linux provides sha384sum command for generating and verifying SHA-384 hash. In order to generate SHA-384 hash of file and print result in the terminal, use the following command:

sha384sum test.txt


9203b0c4439fd1e6ae5878866337b7c532acd6d9260150c80318e8ab8c27ce330189f8df94fb890df1d298ff360627e1  test.txt

We can write result to a file by using > redirection operator:

sha384sum test.txt > test.sha384

Verify SHA-384 hash

We can verify file integrity using -c option:

sha384sum -c test.sha384


test.txt: OK

Append additional text to change content of a file:

printf 'Hi' >> test.txt

Verify SHA-384 hash of a file again. We get the following output:

test.txt: FAILED
sha384sum: WARNING: 1 computed checksum did NOT match

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