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set router's family

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orignal 2016-02-20 20:20:19 -05:00
parent 4db63d113c
commit 230af9cafa
8 changed files with 90 additions and 14 deletions
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45
Family.cpp
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@ -122,6 +122,51 @@ namespace data
return true;
}
std::string CreateFamilySignature (const std::string& family, const IdentHash& ident)
{
std::string sig;
auto filename = i2p::util::filesystem::GetDefaultDataDir() / "family" / (family + ".key");
SSL_CTX * ctx = SSL_CTX_new (TLSv1_method ());
int ret = SSL_CTX_use_PrivateKey_file (ctx, filename.string ().c_str (), SSL_FILETYPE_PEM);
if (ret)
{
SSL * ssl = SSL_new (ctx);
EVP_PKEY * pkey = SSL_get_privatekey (ssl);
EC_KEY * ecKey = EVP_PKEY_get1_EC_KEY (pkey);
if (ecKey)
{
auto group = EC_KEY_get0_group (ecKey);
if (group)
{
int curve = EC_GROUP_get_curve_name (group);
if (curve == NID_X9_62_prime256v1)
{
uint8_t signingPrivateKey[32], buf[50], signature[64];
i2p::crypto::bn2buf (EC_KEY_get0_private_key (ecKey), signingPrivateKey, 32);
i2p::crypto::ECDSAP256Signer signer (signingPrivateKey);
size_t len = family.length ();
memcpy (buf, family.c_str (), len);
memcpy (buf + len, (const uint8_t *)ident, 32);
len += 32;
signer.Sign (buf, len, signature);
len = Base64EncodingBufferSize (64);
char * b64 = new char[len+1];
len = ByteStreamToBase64 (signature, 64, b64, len);
b64[len] = 0;
sig = b64;
delete[] b64;
}
else
LogPrint (eLogWarning, "Family: elliptic curve ", curve, " is not supported");
}
}
SSL_free (ssl);
}
else
LogPrint (eLogError, "Family: Can't open keys file ", filename.string ());
SSL_CTX_free (ctx);
return sig;
}
}
}