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-rw-r--r--src/key.h28
1 files changed, 17 insertions, 11 deletions
diff --git a/src/key.h b/src/key.h
index c610e5e6cd..8ef6c51b14 100644
--- a/src/key.h
+++ b/src/key.h
@@ -1,5 +1,6 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
+// Copyright (c) 2017 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -16,24 +17,29 @@
/**
- * secp256k1:
- * const unsigned int PRIVATE_KEY_SIZE = 279;
- * const unsigned int PUBLIC_KEY_SIZE = 65;
- * const unsigned int SIGNATURE_SIZE = 72;
- *
- * see www.keylength.com
- * script supports up to 75 for single byte push
- */
-
-/**
* secure_allocator is defined in allocators.h
- * CPrivKey is a serialized private key, with all parameters included (279 bytes)
+ * CPrivKey is a serialized private key, with all parameters included
+ * (PRIVATE_KEY_SIZE bytes)
*/
typedef std::vector<unsigned char, secure_allocator<unsigned char> > CPrivKey;
/** An encapsulated private key. */
class CKey
{
+public:
+ /**
+ * secp256k1:
+ */
+ static const unsigned int PRIVATE_KEY_SIZE = 279;
+ static const unsigned int COMPRESSED_PRIVATE_KEY_SIZE = 214;
+ /**
+ * see www.keylength.com
+ * script supports up to 75 for single byte push
+ */
+ static_assert(
+ PRIVATE_KEY_SIZE >= COMPRESSED_PRIVATE_KEY_SIZE,
+ "COMPRESSED_PRIVATE_KEY_SIZE is larger than PRIVATE_KEY_SIZE");
+
private:
//! Whether this private key is valid. We check for correctness when modifying the key
//! data, so fValid should always correspond to the actual state.