diff options
Diffstat (limited to 'src/pubkey.h')
| -rw-r--r-- | src/pubkey.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/pubkey.h b/src/pubkey.h index dbf0e23f20..6e25ad7c49 100644 --- a/src/pubkey.h +++ b/src/pubkey.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. @@ -15,10 +16,12 @@ /** * secp256k1: - * const unsigned int PRIVATE_KEY_SIZE = 279; - * const unsigned int PUBLIC_KEY_SIZE = 65; - * const unsigned int SIGNATURE_SIZE = 72; - * + */ +const unsigned int PUBLIC_KEY_SIZE = 65; +const unsigned int COMPRESSED_PUBLIC_KEY_SIZE = 33; +const unsigned int SIGNATURE_SIZE = 72; +const unsigned int COMPACT_SIGNATURE_SIZE = 65; +/** * see www.keylength.com * script supports up to 75 for single byte push */ @@ -44,15 +47,15 @@ private: * Just store the serialized data. * Its length can very cheaply be computed from the first byte. */ - unsigned char vch[65]; + unsigned char vch[PUBLIC_KEY_SIZE]; //! Compute the length of a pubkey with a given first byte. unsigned int static GetLen(unsigned char chHeader) { if (chHeader == 2 || chHeader == 3) - return 33; + return COMPRESSED_PUBLIC_KEY_SIZE; if (chHeader == 4 || chHeader == 6 || chHeader == 7) - return 65; + return PUBLIC_KEY_SIZE; return 0; } @@ -127,7 +130,7 @@ public: void Unserialize(Stream& s) { unsigned int len = ::ReadCompactSize(s); - if (len <= 65) { + if (len <= PUBLIC_KEY_SIZE) { s.read((char*)vch, len); } else { // invalid pubkey, skip available data @@ -166,7 +169,7 @@ public: //! Check whether this is a compressed public key. bool IsCompressed() const { - return size() == 33; + return size() == COMPRESSED_PUBLIC_KEY_SIZE; } /** |