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authorNick Terrell <terrelln@fb.com>2022-10-21 16:00:35 -0700
committerNick Terrell <terrelln@fb.com>2022-10-21 16:00:35 -0700
commit14e77332e74603efab8347c89d3cda447c3b97c9 (patch)
treeb7b8a48f4f75590266a763c52e072dda32b228ae /scripts/gen-randstruct-seed.sh
parent88a309465b3f05a100c3b81966982c0f9f5d23a6 (diff)
parent1d61754caa8c69f566504e63c8b3f3a2df0954c8 (diff)
Merge branch 'main' into zstd-next
Diffstat (limited to 'scripts/gen-randstruct-seed.sh')
-rwxr-xr-xscripts/gen-randstruct-seed.sh7
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/gen-randstruct-seed.sh b/scripts/gen-randstruct-seed.sh
new file mode 100755
index 000000000000..61017b36c464
--- /dev/null
+++ b/scripts/gen-randstruct-seed.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+SEED=$(od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n')
+echo "$SEED" > "$1"
+HASH=$(echo -n "$SEED" | sha256sum | cut -d" " -f1)
+echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2"