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EdDSA signature type added

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orignal 2015-04-08 16:18:16 -04:00
parent 8891d9aa4d
commit 454f2dabbd
4 changed files with 40 additions and 3 deletions
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17
Identity.cpp
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@ -94,7 +94,14 @@ namespace data
excessBuf = new uint8_t[excessLen]; excessBuf = new uint8_t[excessLen];
memcpy (excessBuf, signingKey + 128, excessLen); memcpy (excessBuf, signingKey + 128, excessLen);
break; break;
} }
case SIGNING_KEY_TYPE_EDDSA_SHA512:
{
size_t padding = 128 - i2p::crypto::EDDSA_PUBLIC_KEY_LENGTH; // 96 = 128 - 32
i2p::context.GetRandomNumberGenerator ().GenerateBlock (m_StandardIdentity.signingKey, padding);
memcpy (m_StandardIdentity.signingKey + padding, signingKey, i2p::crypto::EDDSA_PUBLIC_KEY_LENGTH);
break;
}
default: default:
LogPrint ("Signing key type ", (int)type, " is not supported"); LogPrint ("Signing key type ", (int)type, " is not supported");
} }
@ -344,7 +351,13 @@ namespace data
memcpy (signingKey + 128, m_ExtendedBuffer + 4, excessLen); // right after signing and crypto key types memcpy (signingKey + 128, m_ExtendedBuffer + 4, excessLen); // right after signing and crypto key types
m_Verifier = new i2p::crypto:: RSASHA5124096Verifier (signingKey); m_Verifier = new i2p::crypto:: RSASHA5124096Verifier (signingKey);
break; break;
} }
case SIGNING_KEY_TYPE_EDDSA_SHA512:
{
size_t padding = 128 - i2p::crypto::EDDSA_PUBLIC_KEY_LENGTH; // 96 = 128 - 32
m_Verifier = new i2p::crypto::EDDSAVerifier (m_StandardIdentity.signingKey + padding);
break;
}
default: default:
LogPrint ("Signing key type ", (int)keyType, " is not supported"); LogPrint ("Signing key type ", (int)keyType, " is not supported");
} }

1
Identity.h
View file

@ -117,6 +117,7 @@ namespace data
const uint16_t SIGNING_KEY_TYPE_RSA_SHA256_2048 = 4; const uint16_t SIGNING_KEY_TYPE_RSA_SHA256_2048 = 4;
const uint16_t SIGNING_KEY_TYPE_RSA_SHA384_3072 = 5; const uint16_t SIGNING_KEY_TYPE_RSA_SHA384_3072 = 5;
const uint16_t SIGNING_KEY_TYPE_RSA_SHA512_4096 = 6; const uint16_t SIGNING_KEY_TYPE_RSA_SHA512_4096 = 6;
const uint16_t SIGNING_KEY_TYPE_EDDSA_SHA512 = 7;
typedef uint16_t SigningKeyType; typedef uint16_t SigningKeyType;
typedef uint16_t CryptoKeyType; typedef uint16_t CryptoKeyType;

7
Signature.cpp
View file

@ -77,7 +77,12 @@ namespace crypto
private: private:
CryptoPP::Integer q, l, d, I; CryptoPP::Integer q, l, d, I;
}; };
bool EDDSAVerifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
return true; // TODO:
}
} }
} }

18
Signature.h
View file

@ -410,6 +410,24 @@ namespace crypto
{ {
} }
}; };
// EdDSA
const size_t EDDSA_PUBLIC_KEY_LENGTH = 32;
const size_t EDDSA_SIGNATURE_LENGTH = 64;
const size_t EDDSA_PRIVATE_KEY_LENGTH = 32;
class EDDSAVerifier: public Verifier
{
public:
EDDSAVerifier (const uint8_t * signingKey)
{
}
bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const;
size_t GetPublicKeyLen () const { return EDDSA_PUBLIC_KEY_LENGTH; };
size_t GetSignatureLen () const { return EDDSA_SIGNATURE_LENGTH; };
};
} }
} }