shasum

SHA256 calculation:

shasum -a 256 /path/to/file

SHA256 double encoding:

echo -n hello | openssl sha256 -binary | openssl sha256
9595c9df90075148eb06860365df33584b75bff782a510c6cd4883a419833d50

Example to validate a file:

echo "c6f04c7c2c0f1706810fa15e5c0cd773310acbfe60dd4cd88459cbefa9a4bb75 actions-runner-osx-x64-2.283.1.tar.gz" | shasum -a 256 -c
actions-runner-osx-x64-2.283.1.tar.gz: OK

Related commands

• openssl sha256 /path/to/file

See also

• SHA, SHA-0, SHA-1, SHA-2, SHA-3, SHA-256, shasum, sha1sum, sha256sum, sha512sum