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blind private keys

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orignal 2019-04-05 16:03:58 -04:00
parent 414ef2bc3d
commit ef0fb48f1f
6 changed files with 91 additions and 16 deletions
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38
libi2pd/Identity.cpp
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@ -591,41 +591,53 @@ namespace data
void PrivateKeys::CreateSigner (SigningKeyType keyType) const
{
if (m_Signer) return;
if (m_Signer) return;
if (keyType == SIGNING_KEY_TYPE_DSA_SHA1)
m_Signer.reset (new i2p::crypto::DSASigner (m_SigningPrivateKey, m_Public->GetStandardIdentity ().signingKey));
else if (keyType == SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519 && !IsOfflineSignature ())
m_Signer.reset (new i2p::crypto::EDDSA25519Signer (m_SigningPrivateKey, m_Public->GetStandardIdentity ().certificate - i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH)); // TODO: remove public key check
else
{
// public key is not required
auto signer = CreateSigner (keyType, m_SigningPrivateKey);
if (signer) m_Signer.reset (signer);
}
}
i2p::crypto::Signer * PrivateKeys::CreateSigner (SigningKeyType keyType, const uint8_t * priv)
{
switch (keyType)
{
case SIGNING_KEY_TYPE_DSA_SHA1:
m_Signer.reset (new i2p::crypto::DSASigner (m_SigningPrivateKey, m_Public->GetStandardIdentity ().signingKey));
break;
case SIGNING_KEY_TYPE_ECDSA_SHA256_P256:
m_Signer.reset (new i2p::crypto::ECDSAP256Signer (m_SigningPrivateKey));
return new i2p::crypto::ECDSAP256Signer (priv);
break;
case SIGNING_KEY_TYPE_ECDSA_SHA384_P384:
m_Signer.reset (new i2p::crypto::ECDSAP384Signer (m_SigningPrivateKey));
return new i2p::crypto::ECDSAP384Signer (priv);
break;
case SIGNING_KEY_TYPE_ECDSA_SHA512_P521:
m_Signer.reset (new i2p::crypto::ECDSAP521Signer (m_SigningPrivateKey));
return new i2p::crypto::ECDSAP521Signer (priv);
break;
case SIGNING_KEY_TYPE_RSA_SHA256_2048:
case SIGNING_KEY_TYPE_RSA_SHA384_3072:
case SIGNING_KEY_TYPE_RSA_SHA512_4096:
LogPrint (eLogError, "Identity: RSA signing key type ", (int)m_Public->GetSigningKeyType (), " is not supported");
LogPrint (eLogError, "Identity: RSA signing key type ", (int)keyType, " is not supported");
break;
case SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519:
m_Signer.reset (new i2p::crypto::EDDSA25519Signer (m_SigningPrivateKey, IsOfflineSignature () ? nullptr: m_Public->GetStandardIdentity ().certificate - i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH)); // TODO: remove public key check
return new i2p::crypto::EDDSA25519Signer (priv, nullptr);
break;
case SIGNING_KEY_TYPE_GOSTR3410_CRYPTO_PRO_A_GOSTR3411_256:
m_Signer.reset (new i2p::crypto::GOSTR3410_256_Signer (i2p::crypto::eGOSTR3410CryptoProA, m_SigningPrivateKey));
return new i2p::crypto::GOSTR3410_256_Signer (i2p::crypto::eGOSTR3410CryptoProA, priv);
break;
case SIGNING_KEY_TYPE_GOSTR3410_TC26_A_512_GOSTR3411_512:
m_Signer.reset (new i2p::crypto::GOSTR3410_512_Signer (i2p::crypto::eGOSTR3410TC26A512, m_SigningPrivateKey));
return new i2p::crypto::GOSTR3410_512_Signer (i2p::crypto::eGOSTR3410TC26A512, priv);
break;
case SIGNING_KEY_TYPE_REDDSA_SHA512_ED25519:
m_Signer.reset (new i2p::crypto::RedDSA25519Signer (m_SigningPrivateKey));
return new i2p::crypto::RedDSA25519Signer (priv);
break;
default:
LogPrint (eLogError, "Identity: Signing key type ", (int)m_Public->GetSigningKeyType (), " is not supported");
LogPrint (eLogError, "Identity: Signing key type ", (int)keyType, " is not supported");
}
return nullptr;
}
size_t PrivateKeys::GetSignatureLen () const