diff options
Diffstat (limited to 'src/key.cpp')
-rw-r--r-- | src/key.cpp | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/src/key.cpp b/src/key.cpp index b6ed29e8e3..7eecc6e083 100644 --- a/src/key.cpp +++ b/src/key.cpp @@ -31,46 +31,46 @@ static secp256k1_context* secp256k1_context_sign = nullptr; * * out32 must point to an output buffer of length at least 32 bytes. */ -static int ec_privkey_import_der(const secp256k1_context* ctx, unsigned char *out32, const unsigned char *privkey, size_t privkeylen) { - const unsigned char *end = privkey + privkeylen; +static int ec_seckey_import_der(const secp256k1_context* ctx, unsigned char *out32, const unsigned char *seckey, size_t seckeylen) { + const unsigned char *end = seckey + seckeylen; memset(out32, 0, 32); /* sequence header */ - if (end - privkey < 1 || *privkey != 0x30u) { + if (end - seckey < 1 || *seckey != 0x30u) { return 0; } - privkey++; + seckey++; /* sequence length constructor */ - if (end - privkey < 1 || !(*privkey & 0x80u)) { + if (end - seckey < 1 || !(*seckey & 0x80u)) { return 0; } - ptrdiff_t lenb = *privkey & ~0x80u; privkey++; + ptrdiff_t lenb = *seckey & ~0x80u; seckey++; if (lenb < 1 || lenb > 2) { return 0; } - if (end - privkey < lenb) { + if (end - seckey < lenb) { return 0; } /* sequence length */ - ptrdiff_t len = privkey[lenb-1] | (lenb > 1 ? privkey[lenb-2] << 8 : 0u); - privkey += lenb; - if (end - privkey < len) { + ptrdiff_t len = seckey[lenb-1] | (lenb > 1 ? seckey[lenb-2] << 8 : 0u); + seckey += lenb; + if (end - seckey < len) { return 0; } /* sequence element 0: version number (=1) */ - if (end - privkey < 3 || privkey[0] != 0x02u || privkey[1] != 0x01u || privkey[2] != 0x01u) { + if (end - seckey < 3 || seckey[0] != 0x02u || seckey[1] != 0x01u || seckey[2] != 0x01u) { return 0; } - privkey += 3; + seckey += 3; /* sequence element 1: octet string, up to 32 bytes */ - if (end - privkey < 2 || privkey[0] != 0x04u) { + if (end - seckey < 2 || seckey[0] != 0x04u) { return 0; } - ptrdiff_t oslen = privkey[1]; - privkey += 2; - if (oslen > 32 || end - privkey < oslen) { + ptrdiff_t oslen = seckey[1]; + seckey += 2; + if (oslen > 32 || end - seckey < oslen) { return 0; } - memcpy(out32 + (32 - oslen), privkey, oslen); + memcpy(out32 + (32 - oslen), seckey, oslen); if (!secp256k1_ec_seckey_verify(ctx, out32)) { memset(out32, 0, 32); return 0; @@ -83,17 +83,17 @@ static int ec_privkey_import_der(const secp256k1_context* ctx, unsigned char *ou * <http://www.secg.org/sec1-v2.pdf>. The optional parameters and publicKey fields are * included. * - * privkey must point to an output buffer of length at least CKey::SIZE bytes. - * privkeylen must initially be set to the size of the privkey buffer. Upon return it + * seckey must point to an output buffer of length at least CKey::SIZE bytes. + * seckeylen must initially be set to the size of the seckey buffer. Upon return it * will be set to the number of bytes used in the buffer. * key32 must point to a 32-byte raw private key. */ -static int ec_privkey_export_der(const secp256k1_context *ctx, unsigned char *privkey, size_t *privkeylen, const unsigned char *key32, bool compressed) { - assert(*privkeylen >= CKey::SIZE); +static int ec_seckey_export_der(const secp256k1_context *ctx, unsigned char *seckey, size_t *seckeylen, const unsigned char *key32, bool compressed) { + assert(*seckeylen >= CKey::SIZE); secp256k1_pubkey pubkey; size_t pubkeylen = 0; if (!secp256k1_ec_pubkey_create(ctx, &pubkey, key32)) { - *privkeylen = 0; + *seckeylen = 0; return 0; } if (compressed) { @@ -111,15 +111,15 @@ static int ec_privkey_export_der(const secp256k1_context *ctx, unsigned char *pr 0xFF,0xFF,0xFF,0xFF,0xFE,0xBA,0xAE,0xDC,0xE6,0xAF,0x48,0xA0,0x3B,0xBF,0xD2,0x5E, 0x8C,0xD0,0x36,0x41,0x41,0x02,0x01,0x01,0xA1,0x24,0x03,0x22,0x00 }; - unsigned char *ptr = privkey; + unsigned char *ptr = seckey; memcpy(ptr, begin, sizeof(begin)); ptr += sizeof(begin); memcpy(ptr, key32, 32); ptr += 32; memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle); pubkeylen = CPubKey::COMPRESSED_SIZE; secp256k1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED); ptr += pubkeylen; - *privkeylen = ptr - privkey; - assert(*privkeylen == CKey::COMPRESSED_SIZE); + *seckeylen = ptr - seckey; + assert(*seckeylen == CKey::COMPRESSED_SIZE); } else { static const unsigned char begin[] = { 0x30,0x82,0x01,0x13,0x02,0x01,0x01,0x04,0x20 @@ -137,15 +137,15 @@ static int ec_privkey_export_der(const secp256k1_context *ctx, unsigned char *pr 0xFF,0xFF,0xFF,0xFF,0xFE,0xBA,0xAE,0xDC,0xE6,0xAF,0x48,0xA0,0x3B,0xBF,0xD2,0x5E, 0x8C,0xD0,0x36,0x41,0x41,0x02,0x01,0x01,0xA1,0x44,0x03,0x42,0x00 }; - unsigned char *ptr = privkey; + unsigned char *ptr = seckey; memcpy(ptr, begin, sizeof(begin)); ptr += sizeof(begin); memcpy(ptr, key32, 32); ptr += 32; memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle); pubkeylen = CPubKey::SIZE; secp256k1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_UNCOMPRESSED); ptr += pubkeylen; - *privkeylen = ptr - privkey; - assert(*privkeylen == CKey::SIZE); + *seckeylen = ptr - seckey; + assert(*seckeylen == CKey::SIZE); } return 1; } @@ -165,20 +165,20 @@ void CKey::MakeNewKey(bool fCompressedIn) { bool CKey::Negate() { assert(fValid); - return secp256k1_ec_privkey_negate(secp256k1_context_sign, keydata.data()); + return secp256k1_ec_seckey_negate(secp256k1_context_sign, keydata.data()); } CPrivKey CKey::GetPrivKey() const { assert(fValid); - CPrivKey privkey; + CPrivKey seckey; int ret; - size_t privkeylen; - privkey.resize(SIZE); - privkeylen = SIZE; - ret = ec_privkey_export_der(secp256k1_context_sign, privkey.data(), &privkeylen, begin(), fCompressed); + size_t seckeylen; + seckey.resize(SIZE); + seckeylen = SIZE; + ret = ec_seckey_export_der(secp256k1_context_sign, seckey.data(), &seckeylen, begin(), fCompressed); assert(ret); - privkey.resize(privkeylen); - return privkey; + seckey.resize(seckeylen); + return seckey; } CPubKey CKey::GetPubKey() const { @@ -258,8 +258,8 @@ bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig) return true; } -bool CKey::Load(const CPrivKey &privkey, const CPubKey &vchPubKey, bool fSkipCheck=false) { - if (!ec_privkey_import_der(secp256k1_context_sign, (unsigned char*)begin(), privkey.data(), privkey.size())) +bool CKey::Load(const CPrivKey &seckey, const CPubKey &vchPubKey, bool fSkipCheck=false) { + if (!ec_seckey_import_der(secp256k1_context_sign, (unsigned char*)begin(), seckey.data(), seckey.size())) return false; fCompressed = vchPubKey.IsCompressed(); fValid = true; @@ -284,7 +284,7 @@ bool CKey::Derive(CKey& keyChild, ChainCode &ccChild, unsigned int nChild, const } memcpy(ccChild.begin(), vout.data()+32, 32); memcpy((unsigned char*)keyChild.begin(), begin(), 32); - bool ret = secp256k1_ec_privkey_tweak_add(secp256k1_context_sign, (unsigned char*)keyChild.begin(), vout.data()); + bool ret = secp256k1_ec_seckey_tweak_add(secp256k1_context_sign, (unsigned char*)keyChild.begin(), vout.data()); keyChild.fCompressed = true; keyChild.fValid = ret; return ret; |