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Diffstat (limited to 'scripts/gcc-plugins/gen-random-seed.sh')
| -rw-r--r-- | scripts/gcc-plugins/gen-random-seed.sh | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/scripts/gcc-plugins/gen-random-seed.sh b/scripts/gcc-plugins/gen-random-seed.sh new file mode 100644 index 000000000..68af5cc20 --- /dev/null +++ b/scripts/gcc-plugins/gen-random-seed.sh @@ -0,0 +1,9 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +if [ ! -f "$1" ]; then + SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` + echo "const char *randstruct_seed = \"$SEED\";" > "$1" + HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` + echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2" +fi |