Add SecretToPublicKey function for x25519

1 files changed, 5 insertions, 2 deletions

diff --git a/xed25519.h b/xed25519.h
index bf466f85..363d7d7c 100644
--- a/xed25519.h
+++ b/xed25519.h
@@ -111,11 +111,10 @@ public:
     x25519(const OID &oid);

 

     /// \brief Clamp a private key

-    /// \param y public key

     /// \param x private key

     /// \details ClampKeys() clamps a private key and then regenerates the

     ///   public key from the private key.

-    void ClampKeys(byte y[PUBLIC_KEYLENGTH], byte x[SECRET_KEYLENGTH]) const;

+    void ClampKey(byte x[SECRET_KEYLENGTH]) const;

 

     /// \brief Determine if private key is clamped

     /// \param x private key

@@ -237,6 +236,10 @@ public:
     bool Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey=true) const;

 

 protected:

+    // Create a public key from a private key

+    void SecretToPublicKey(byte y[PUBLIC_KEYLENGTH], const byte x[SECRET_KEYLENGTH]) const;

+

+protected:

     FixedSizeSecBlock<byte, SECRET_KEYLENGTH> m_sk;

     FixedSizeSecBlock<byte, PUBLIC_KEYLENGTH> m_pk;

     OID m_oid;  // preferred OID