Deterministic signing

2014-11-20 17:22:06 +01:00
parent 3060e36098
commit a53fd41485
4 changed files with 49 additions and 14 deletions
@@ -121,8 +121,12 @@ public:
     */
    CPubKey GetPubKey() const;

-    //! Create a DER-serialized signature.
-    bool Sign(const uint256& hash, std::vector<unsigned char>& vchSig) const;
+    /**
+     * Create a DER-serialized signature.
+     * The test_case parameter tweaks the deterministic nonce, and is only for
+     * testing. It should be zero for normal use.
+     */
+    bool Sign(const uint256& hash, std::vector<unsigned char>& vchSig, uint32_t test_case = 0) const;

    /**
     * Create a compact signature (65 bytes), which allows reconstructing the used public key.