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-rw-r--r--src/lib/hash/rmd160/rmd160.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/hash/rmd160/rmd160.h b/src/lib/hash/rmd160/rmd160.h
index 9e2d1de87..f2b57ef33 100644
--- a/src/lib/hash/rmd160/rmd160.h
+++ b/src/lib/hash/rmd160/rmd160.h
@@ -21,6 +21,7 @@ class BOTAN_DLL RIPEMD_160 final : public MDx_HashFunction
std::string name() const override { return "RIPEMD-160"; }
size_t output_length() const override { return 20; }
HashFunction* clone() const override { return new RIPEMD_160; }
+ std::unique_ptr<HashFunction> copy_state() const override;
void clear() override;