1 files changed, 40 insertions, 0 deletions
diff --git a/src/ecwrapper.h b/src/ecwrapper.h
new file mode 100644
index 0000000000..4efde51650
--- /dev/null
+++ b/src/ecwrapper.h
@@ -0,0 +1,40 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_ECWRAPPER_H
+#define BITCOIN_ECWRAPPER_H
+
+#include <cstddef>
+#include <vector>
+
+#include <openssl/ec.h>
+
+class uint256;
+
+/** RAII Wrapper around OpenSSL's EC_KEY */
+class CECKey {
+private:
+    EC_KEY *pkey;
+
+public:
+    CECKey();
+    ~CECKey();
+
+    void GetPubKey(std::vector<unsigned char>& pubkey, bool fCompressed);
+    bool SetPubKey(const unsigned char* pubkey, size_t size);
+    bool Verify(const uint256 &hash, const std::vector<unsigned char>& vchSig);
+
+    /**
+     * reconstruct public key from a compact signature
+     * This is only slightly more CPU intensive than just verifying it.
+     * If this function succeeds, the recovered public key is guaranteed to be valid
+     * (the signature is a valid signature of the given data for that key)
+     */
+    bool Recover(const uint256 &hash, const unsigned char *p64, int rec);
+
+    bool TweakPublic(const unsigned char vchTweak[32]);
+    static bool SanityCheck();
+};
+
+#endif // BITCOIN_ECWRAPPER_H