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-rw-r--r--src/key.cpp6
-rw-r--r--src/key.h3
2 files changed, 9 insertions, 0 deletions
diff --git a/src/key.cpp b/src/key.cpp
index 9d982fc44f..c17f6a0ae2 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -163,6 +163,12 @@ void CKey::MakeNewKey(bool fCompressedIn) {
fCompressed = fCompressedIn;
}
+bool CKey::Negate()
+{
+ assert(fValid);
+ return secp256k1_ec_privkey_negate(secp256k1_context_sign, keydata.data());
+}
+
CPrivKey CKey::GetPrivKey() const {
assert(fValid);
CPrivKey privkey;
diff --git a/src/key.h b/src/key.h
index 0f695c07b7..67e2cfc094 100644
--- a/src/key.h
+++ b/src/key.h
@@ -98,6 +98,9 @@ public:
//! Generate a new private key using a cryptographic PRNG.
void MakeNewKey(bool fCompressed);
+ //! Negate private key
+ bool Negate();
+
/**
* Convert the private key to a CPrivKey (serialized OpenSSL private key data).
* This is expensive.