dcfldd

Enhanced version of dd for forensics and security.

More information.

• Copy a disk to a raw image file and hash the image using SHA256:

dcfldd if=/dev/{disk_device} of={file.img} hash=sha256 hashlog={file.hash}

• Copy a disk to a raw image file, hashing each 1 GB chunk:

dcfldd if=/dev/{disk_device} of={file.img} hash={sha512|sha384|sha256|sha1|md5} hashlog={file.hash} hashwindow={1G}

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