diff options
Diffstat (limited to 'src/base58.h')
-rw-r--r-- | src/base58.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/base58.h b/src/base58.h index fe1927255c..d7fedb1a74 100644 --- a/src/base58.h +++ b/src/base58.h @@ -21,7 +21,7 @@ static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; - +// Encode a byte sequence as a base58-encoded string inline std::string EncodeBase58(const unsigned char* pbegin, const unsigned char* pend) { CAutoBN_CTX pctx; @@ -62,11 +62,14 @@ inline std::string EncodeBase58(const unsigned char* pbegin, const unsigned char return str; } +// Encode a byte vector as a base58-encoded string inline std::string EncodeBase58(const std::vector<unsigned char>& vch) { return EncodeBase58(&vch[0], &vch[0] + vch.size()); } +// Decode a base58-encoded string psz into byte vector vchRet +// returns true if decoding is succesful inline bool DecodeBase58(const char* psz, std::vector<unsigned char>& vchRet) { CAutoBN_CTX pctx; @@ -113,6 +116,8 @@ inline bool DecodeBase58(const char* psz, std::vector<unsigned char>& vchRet) return true; } +// Decode a base58-encoded string str into byte vector vchRet +// returns true if decoding is succesful inline bool DecodeBase58(const std::string& str, std::vector<unsigned char>& vchRet) { return DecodeBase58(str.c_str(), vchRet); @@ -121,7 +126,7 @@ inline bool DecodeBase58(const std::string& str, std::vector<unsigned char>& vch - +// Encode a byte vector to a base58-encoded string, including checksum inline std::string EncodeBase58Check(const std::vector<unsigned char>& vchIn) { // add 4-byte hash check to the end @@ -131,6 +136,8 @@ inline std::string EncodeBase58Check(const std::vector<unsigned char>& vchIn) return EncodeBase58(vch); } +// Decode a base58-encoded string psz that includes a checksum, into byte vector vchRet +// returns true if decoding is succesful inline bool DecodeBase58Check(const char* psz, std::vector<unsigned char>& vchRet) { if (!DecodeBase58(psz, vchRet)) @@ -150,6 +157,8 @@ inline bool DecodeBase58Check(const char* psz, std::vector<unsigned char>& vchRe return true; } +// Decode a base58-encoded string str that includes a checksum, into byte vector vchRet +// returns true if decoding is succesful inline bool DecodeBase58Check(const std::string& str, std::vector<unsigned char>& vchRet) { return DecodeBase58Check(str.c_str(), vchRet); @@ -159,11 +168,14 @@ inline bool DecodeBase58Check(const std::string& str, std::vector<unsigned char> - +// Base class for all base58-encoded data class CBase58Data { protected: + // the version byte unsigned char nVersion; + + // the actually encoded data std::vector<unsigned char> vchData; CBase58Data() @@ -174,6 +186,7 @@ protected: ~CBase58Data() { + // zero the memory, as it may contain sensitive data if (!vchData.empty()) memset(&vchData[0], 0, vchData.size()); } @@ -238,7 +251,9 @@ public: bool operator> (const CBase58Data& b58) const { return CompareTo(b58) > 0; } }; - +// base58-encoded bitcoin addresses +// Addresses have version 0 or 111 (testnet) +// The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key class CBitcoinAddress : public CBase58Data { public: |