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CKey: add method to negate the key

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This commit is contained in:
Jonas Schnelli 2018-08-13 20:18:25 +02:00
parent 848ec5603f
commit 463921bb64
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2 changed files with 9 additions and 0 deletions
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6
src/key.cpp
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@ -163,6 +163,12 @@ void CKey::MakeNewKey(bool fCompressedIn) {
fCompressed = fCompressedIn; fCompressed = fCompressedIn;
} }
bool CKey::Negate()
{
assert(fValid);
return secp256k1_ec_privkey_negate(secp256k1_context_sign, keydata.data());
}
CPrivKey CKey::GetPrivKey() const { CPrivKey CKey::GetPrivKey() const {
assert(fValid); assert(fValid);
CPrivKey privkey; CPrivKey privkey;

3
src/key.h
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@ -98,6 +98,9 @@ public:
//! Generate a new private key using a cryptographic PRNG. //! Generate a new private key using a cryptographic PRNG.
void MakeNewKey(bool fCompressed); void MakeNewKey(bool fCompressed);
//! Negate private key
bool Negate();
/** /**
* Convert the private key to a CPrivKey (serialized OpenSSL private key data). * Convert the private key to a CPrivKey (serialized OpenSSL private key data).
* This is expensive. * This is expensive.