| Kees Cook | 313dd1b6 | 2017-05-05 23:37:45 -0700 | [diff] [blame] | 1 | #!/bin/sh |
| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 2 | # SPDX-License-Identifier: GPL-2.0 |
| Kees Cook | 313dd1b6 | 2017-05-05 23:37:45 -0700 | [diff] [blame] | 3 | |
| 4 | if [ ! -f "$1" ]; then | ||||
| 5 | SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` | ||||
| 6 | echo "const char *randstruct_seed = \"$SEED\";" > "$1" | ||||
| 7 | HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` | ||||
| 8 | echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2" | ||||
| 9 | fi | ||||