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scripted-diff: rename privkey with seckey in secp256k1 interface

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-BEGIN VERIFY SCRIPT-
sed -i 's/privkey/seckey/g' src/key.cpp
-END VERIFY SCRIPT-
This commit is contained in:
Pieter Wuille 2020-06-10 18:29:33 -07:00
parent ca8bc42330
commit e10439ce5a
1 changed files with 39 additions and 39 deletions
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78
src/key.cpp
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@ -31,46 +31,46 @@ static secp256k1_context* secp256k1_context_sign = nullptr;
* *
* out32 must point to an output buffer of length at least 32 bytes. * 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) { static int ec_seckey_import_der(const secp256k1_context* ctx, unsigned char *out32, const unsigned char *seckey, size_t seckeylen) {
const unsigned char *end = privkey + privkeylen; const unsigned char *end = seckey + seckeylen;
memset(out32, 0, 32); memset(out32, 0, 32);
/* sequence header */ /* sequence header */
if (end - privkey < 1 || *privkey != 0x30u) { if (end - seckey < 1 || *seckey != 0x30u) {
return 0; return 0;
} }
privkey++; seckey++;
/* sequence length constructor */ /* sequence length constructor */
if (end - privkey < 1 || !(*privkey & 0x80u)) { if (end - seckey < 1 || !(*seckey & 0x80u)) {
return 0; return 0;
} }
ptrdiff_t lenb = *privkey & ~0x80u; privkey++; ptrdiff_t lenb = *seckey & ~0x80u; seckey++;
if (lenb < 1 || lenb > 2) { if (lenb < 1 || lenb > 2) {
return 0; return 0;
} }
if (end - privkey < lenb) { if (end - seckey < lenb) {
return 0; return 0;
} }
/* sequence length */ /* sequence length */
ptrdiff_t len = privkey[lenb-1] | (lenb > 1 ? privkey[lenb-2] << 8 : 0u); ptrdiff_t len = seckey[lenb-1] | (lenb > 1 ? seckey[lenb-2] << 8 : 0u);
privkey += lenb; seckey += lenb;
if (end - privkey < len) { if (end - seckey < len) {
return 0; return 0;
} }
/* sequence element 0: version number (=1) */ /* 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; return 0;
} }
privkey += 3; seckey += 3;
/* sequence element 1: octet string, up to 32 bytes */ /* 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; return 0;
} }
ptrdiff_t oslen = privkey[1]; ptrdiff_t oslen = seckey[1];
privkey += 2; seckey += 2;
if (oslen > 32 || end - privkey < oslen) { if (oslen > 32 || end - seckey < oslen) {
return 0; return 0;
} }
memcpy(out32 + (32 - oslen), privkey, oslen); memcpy(out32 + (32 - oslen), seckey, oslen);
if (!secp256k1_ec_seckey_verify(ctx, out32)) { if (!secp256k1_ec_seckey_verify(ctx, out32)) {
memset(out32, 0, 32); memset(out32, 0, 32);
return 0; 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 * <http://www.secg.org/sec1-v2.pdf>. The optional parameters and publicKey fields are
* included. * included.
* *
* privkey must point to an output buffer of length at least CKey::SIZE bytes. * seckey 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 * 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. * will be set to the number of bytes used in the buffer.
* key32 must point to a 32-byte raw private key. * 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) { static int ec_seckey_export_der(const secp256k1_context *ctx, unsigned char *seckey, size_t *seckeylen, const unsigned char *key32, bool compressed) {
assert(*privkeylen >= CKey::SIZE); assert(*seckeylen >= CKey::SIZE);
secp256k1_pubkey pubkey; secp256k1_pubkey pubkey;
size_t pubkeylen = 0; size_t pubkeylen = 0;
if (!secp256k1_ec_pubkey_create(ctx, &pubkey, key32)) { if (!secp256k1_ec_pubkey_create(ctx, &pubkey, key32)) {
*privkeylen = 0; *seckeylen = 0;
return 0; return 0;
} }
if (compressed) { 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, 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 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, begin, sizeof(begin)); ptr += sizeof(begin);
memcpy(ptr, key32, 32); ptr += 32; memcpy(ptr, key32, 32); ptr += 32;
memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle); memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle);
pubkeylen = CPubKey::COMPRESSED_SIZE; pubkeylen = CPubKey::COMPRESSED_SIZE;
secp256k1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED); secp256k1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED);
ptr += pubkeylen; ptr += pubkeylen;
*privkeylen = ptr - privkey; *seckeylen = ptr - seckey;
assert(*privkeylen == CKey::COMPRESSED_SIZE); assert(*seckeylen == CKey::COMPRESSED_SIZE);
} else { } else {
static const unsigned char begin[] = { static const unsigned char begin[] = {
0x30,0x82,0x01,0x13,0x02,0x01,0x01,0x04,0x20 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, 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 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, begin, sizeof(begin)); ptr += sizeof(begin);
memcpy(ptr, key32, 32); ptr += 32; memcpy(ptr, key32, 32); ptr += 32;
memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle); memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle);
pubkeylen = CPubKey::SIZE; pubkeylen = CPubKey::SIZE;
secp256k1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_UNCOMPRESSED); secp256k1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_UNCOMPRESSED);
ptr += pubkeylen; ptr += pubkeylen;
*privkeylen = ptr - privkey; *seckeylen = ptr - seckey;
assert(*privkeylen == CKey::SIZE); assert(*seckeylen == CKey::SIZE);
} }
return 1; return 1;
} }
@ -165,20 +165,20 @@ void CKey::MakeNewKey(bool fCompressedIn) {
bool CKey::Negate() bool CKey::Negate()
{ {
assert(fValid); 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 { CPrivKey CKey::GetPrivKey() const {
assert(fValid); assert(fValid);
CPrivKey privkey; CPrivKey seckey;
int ret; int ret;
size_t privkeylen; size_t seckeylen;
privkey.resize(SIZE); seckey.resize(SIZE);
privkeylen = SIZE; seckeylen = SIZE;
ret = ec_privkey_export_der(secp256k1_context_sign, privkey.data(), &privkeylen, begin(), fCompressed); ret = ec_seckey_export_der(secp256k1_context_sign, seckey.data(), &seckeylen, begin(), fCompressed);
assert(ret); assert(ret);
privkey.resize(privkeylen); seckey.resize(seckeylen);
return privkey; return seckey;
} }
CPubKey CKey::GetPubKey() const { CPubKey CKey::GetPubKey() const {
@ -258,8 +258,8 @@ bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig)
return true; return true;
} }
bool CKey::Load(const CPrivKey &privkey, const CPubKey &vchPubKey, bool fSkipCheck=false) { bool CKey::Load(const CPrivKey &seckey, const CPubKey &vchPubKey, bool fSkipCheck=false) {
if (!ec_privkey_import_der(secp256k1_context_sign, (unsigned char*)begin(), privkey.data(), privkey.size())) if (!ec_seckey_import_der(secp256k1_context_sign, (unsigned char*)begin(), seckey.data(), seckey.size()))
return false; return false;
fCompressed = vchPubKey.IsCompressed(); fCompressed = vchPubKey.IsCompressed();
fValid = true; 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(ccChild.begin(), vout.data()+32, 32);
memcpy((unsigned char*)keyChild.begin(), begin(), 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.fCompressed = true;
keyChild.fValid = ret; keyChild.fValid = ret;
return ret; return ret;