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More work on the new wallet code.

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This commit is contained in:
JoelKatz
2011-12-27 19:18:42 -08:00
parent 67a5544458
commit 4b88113a51
4 changed files with 164 additions and 72 deletions
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38
DeterministicKeys.cpp
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@@ -103,6 +103,38 @@ EC_KEY* CKey::GenerateRootDeterministicKey(const uint256& key)
return pkey;
}
EC_KEY* CKey::GenerateRootPubKey(const std::string& pubHex)
{
BIGNUM* bn=NULL;
BN_hex2bn(&bn, pubHex.c_str());
if(bn==NULL) return NULL;
EC_KEY* pkey=EC_KEY_new_by_curve_name(NID_secp256k1);
if(!pkey)
{
BN_free(bn);
return NULL;
}
EC_KEY_set_conv_form(pkey, POINT_CONVERSION_COMPRESSED);
EC_POINT* pubPoint=EC_POINT_bn2point(EC_KEY_get0_group(pkey), bn, NULL, NULL);
BN_free(bn);
if(!pubPoint)
{
EC_KEY_free(pkey);
return NULL;
}
if(!EC_KEY_set_public_key(pkey, pubPoint))
{
EC_POINT_free(pubPoint);
EC_KEY_free(pkey);
return NULL;
}
return pkey;
}
static BIGNUM* makeHash(const uint160& family, int seq)
{
Serializer s;
@@ -113,7 +145,7 @@ static BIGNUM* makeHash(const uint160& family, int seq)
return BN_bin2bn((const unsigned char *) &root, sizeof(root), NULL);
}
EC_KEY* CKey::GeneratePublicDeterministicKey(const uint160& family, EC_POINT* rootPubKey, int seq)
EC_KEY* CKey::GeneratePublicDeterministicKey(const uint160& family, const EC_POINT* rootPubKey, int seq)
{ // publicKey(n) = rootPublicKey EC_POINT_+ Hash(pubHash|seq)*point
BN_CTX* ctx=BN_CTX_new();
if(ctx==NULL) return NULL;
@@ -154,8 +186,8 @@ EC_KEY* CKey::GeneratePublicDeterministicKey(const uint160& family, EC_POINT* ro
return pkey;
}
EC_KEY* CKey::GeneratePrivateDeterministicKey(const uint160& family, BIGNUM* rootPrivKey, int seq)
EC_KEY* CKey::GeneratePrivateDeterministicKey(const uint160& family, const BIGNUM* rootPrivKey, int seq)
{ // privateKey(n) = (rootPrivateKey + Hash(pubHash|seq)) % order
BN_CTX* ctx=BN_CTX_new();
if(ctx==NULL) return NULL;