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| author | Kees Cook <keescook@chromium.org> | 2017-07-04 21:41:31 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2017-07-04 21:41:31 -0700 |
| commit | d1185a8c5dd21182012e6dd531b00fd72f4d30cb (patch) | |
| tree | 1c394d6e27bad00e0f3aba4e59ca19823d0486d5 /scripts/gcc-plugins/gen-random-seed.sh | |
| parent | 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c (diff) | |
| parent | 03232e0ddebdc2c9d088e6748075704885f039a5 (diff) | |
| download | linux-d1185a8c5dd21182012e6dd531b00fd72f4d30cb.tar.gz linux-d1185a8c5dd21182012e6dd531b00fd72f4d30cb.tar.xz | |
Merge branch 'merge/randstruct' into for-next/gcc-plugins
Diffstat (limited to 'scripts/gcc-plugins/gen-random-seed.sh')
| -rw-r--r-- | scripts/gcc-plugins/gen-random-seed.sh | 8 |
1 files changed, 8 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 000000000000..7514850f4815 --- /dev/null +++ b/scripts/gcc-plugins/gen-random-seed.sh @@ -0,0 +1,8 @@ +#!/bin/sh + +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 |