| #!/bin/bash | |
| sizes="512 4K 1M 10000000" | |
| for size in $sizes; do | |
| echo $size | |
| dd if=/dev/random of=input.$size bs=$size count=1 | |
| fsverity digest input.$size \ | |
| --hash-alg=sha256 \ | |
| --salt=010203040506 \ | |
| --block-size=4096 \ | |
| --out-merkle-tree input.$size.hash \ | |
| --out-descriptor input.$size.descriptor | |
| done |