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added TC26 param sets for GOST R 34.10-2012

Browse Source
pull/827/head
orignal 7 years ago
parent e877247032
commit 6369a900da
4 changed files with 57 additions and 41 deletions
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4
Gost.h
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@ -21,8 +21,8 @@ namespace crypto
//eGOSTR3410CryptoProXchA, // 1.2.643.2.2.36.0
//eGOSTR3410CryptoProXchB, // 1.2.643.2.2.36.1
// GOST R 34.10-2012
eGOSTR3410tc26paramSetA256, // 1.2.643.7.1.2.1.1.1
eGOSTR3410tc26paramSetC512, // 1.2.643.7.1.2.1.2.3
eGOSTR3410TC26A256, // 1.2.643.7.1.2.1.1.1
eGOSTR3410TC26C512, // 1.2.643.7.1.2.1.2.3
eGOSTR3410NumParamSets
};

53
Identity.cpp
Unescape Escape View File

@ -102,13 +102,20 @@ namespace data
memcpy (m_StandardIdentity.signingKey + padding, signingKey, i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH);
break;
}
case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2001_CRYPTO_PRO_A_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_A_256_GOSTR3411:
{
size_t padding = 128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
// 256
size_t padding = 128 - i2p::crypto::GOSTR3410_256_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
RAND_bytes (m_StandardIdentity.signingKey, padding);
memcpy (m_StandardIdentity.signingKey + padding, signingKey, i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH);
memcpy (m_StandardIdentity.signingKey + padding, signingKey, i2p::crypto::GOSTR3410_256_PUBLIC_KEY_LENGTH);
break;
}
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_C_512_GOSTR3411:
{
// 512
// no padding, key length is 128
memcpy (m_StandardIdentity.signingKey, signingKey, i2p::crypto::GOSTR3410_512_PUBLIC_KEY_LENGTH);
break;
}
default:
@ -379,22 +386,22 @@ namespace data
UpdateVerifier (new i2p::crypto::EDDSA25519Verifier (m_StandardIdentity.signingKey + padding));
break;
}
case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2001_CRYPTO_PRO_A_GOSTR3411:
{
size_t padding = 128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
size_t padding = 128 - i2p::crypto::GOSTR3410_256_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
UpdateVerifier (new i2p::crypto::GOSTR3410_2001_Verifier (i2p::crypto::eGOSTR3410CryptoProA, m_StandardIdentity.signingKey + padding));
break;
}
case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_A_256_GOSTR3411:
{
size_t padding = 128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
UpdateVerifier (new i2p::crypto::GOSTR3410_2001_Verifier (i2p::crypto::eGOSTR3410CryptoProB, m_StandardIdentity.signingKey + padding));
size_t padding = 128 - i2p::crypto::GOSTR3410_256_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
UpdateVerifier (new i2p::crypto::GOSTR3410_2012_256_Verifier (i2p::crypto::eGOSTR3410TC26A256, m_StandardIdentity.signingKey + padding));
break;
}
case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_C_512_GOSTR3411:
{
size_t padding = 128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
UpdateVerifier (new i2p::crypto::GOSTR3410_2001_Verifier (i2p::crypto::eGOSTR3410CryptoProC, m_StandardIdentity.signingKey + padding));
// zero padding
UpdateVerifier (new i2p::crypto::GOSTR3410_2012_512_Verifier (i2p::crypto::eGOSTR3410TC26C512, m_StandardIdentity.signingKey));
break;
}
default:
@ -538,14 +545,14 @@ namespace data
case SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519:
m_Signer.reset (new i2p::crypto::EDDSA25519Signer (m_SigningPrivateKey, m_Public->GetStandardIdentity ().certificate - i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH));
break;
case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2001_CRYPTO_PRO_A_GOSTR3411:
m_Signer.reset (new i2p::crypto::GOSTR3410_2001_Signer (i2p::crypto::eGOSTR3410CryptoProA, m_SigningPrivateKey));
break;
case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
m_Signer.reset (new i2p::crypto::GOSTR3410_2001_Signer (i2p::crypto::eGOSTR3410CryptoProB, m_SigningPrivateKey));
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_A_256_GOSTR3411:
m_Signer.reset (new i2p::crypto::GOSTR3410_2012_256_Signer (i2p::crypto::eGOSTR3410TC26A256, m_SigningPrivateKey));
break;
case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
m_Signer.reset (new i2p::crypto::GOSTR3410_2001_Signer (i2p::crypto::eGOSTR3410CryptoProC, m_SigningPrivateKey));
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_C_512_GOSTR3411:
m_Signer.reset (new i2p::crypto::GOSTR3410_2012_512_Signer (i2p::crypto::eGOSTR3410TC26C512, m_SigningPrivateKey));
break;
default:
LogPrint (eLogError, "Identity: Signing key type ", (int)m_Public->GetSigningKeyType (), " is not supported");
@ -582,14 +589,14 @@ namespace data
case SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519:
i2p::crypto::CreateEDDSA25519RandomKeys (keys.m_SigningPrivateKey, signingPublicKey);
break;
case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
case SIGNING_KEY_TYPE_GOSTR3410_2001_CRYPTO_PRO_A_GOSTR3411:
i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410CryptoProA, keys.m_SigningPrivateKey, signingPublicKey);
break;
case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410CryptoProB, keys.m_SigningPrivateKey, signingPublicKey);
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_A_256_GOSTR3411:
i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410TC26A256, keys.m_SigningPrivateKey, signingPublicKey);
break;
case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410CryptoProC, keys.m_SigningPrivateKey, signingPublicKey);
case SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_C_512_GOSTR3411:
i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410TC26C512, keys.m_SigningPrivateKey, signingPublicKey);
break;
default:
LogPrint (eLogError, "Identity: Signing key type ", (int)type, " is not supported. Create DSA-SHA1");

6
Identity.h
Unescape Escape View File

@ -61,9 +61,9 @@ namespace data
const uint16_t SIGNING_KEY_TYPE_RSA_SHA512_4096 = 6;
const uint16_t SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519 = 7;
// following signature type should never appear in netid=2
const uint16_t SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411 = 65280; // approved by FSB
const uint16_t SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411 = 65281;
const uint16_t SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411 = 65282;
const uint16_t SIGNING_KEY_TYPE_GOSTR3410_2001_CRYPTO_PRO_A_GOSTR3411 = 65280; // approved by FSB
const uint16_t SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_A_256_GOSTR3411 = 65281;
const uint16_t SIGNING_KEY_TYPE_GOSTR3410_2012_TC26_C_512_GOSTR3411 = 65282;
typedef uint16_t SigningKeyType;
typedef uint16_t CryptoKeyType;

35
Signature.h
Unescape Escape View File

@ -472,22 +472,25 @@ namespace crypto
SHA512 (buf, len, digest); // TODO: implement GOST R 34.11 - 2012
}
enum { hashLen = 32 };
enum { hashLen = 64 };
};
// ГОСТ Р 34.10
const size_t GOSTR3410_PUBLIC_KEY_LENGTH = 64;
const size_t GOSTR3410_SIGNATURE_LENGTH = 64;
const size_t GOSTR3410_256_PUBLIC_KEY_LENGTH = 64;
const size_t GOSTR3410_512_PUBLIC_KEY_LENGTH = 128;
template<typename Hash>
class GOSTR3410Verifier: public Verifier
{
public:
GOSTR3410Verifier (GOSTR3410ParamSet paramSet, const uint8_t * signingKey)
enum { keyLen = Hash::hashLen };
GOSTR3410Verifier (GOSTR3410ParamSet paramSet, const uint8_t * signingKey):
m_ParamSet (paramSet)
{
BIGNUM * x = BN_bin2bn (signingKey, GOSTR3410_PUBLIC_KEY_LENGTH/2, NULL);
BIGNUM * y = BN_bin2bn (signingKey + GOSTR3410_PUBLIC_KEY_LENGTH/2, GOSTR3410_PUBLIC_KEY_LENGTH/2, NULL);
BIGNUM * x = BN_bin2bn (signingKey, GetPublicKeyLen ()/2, NULL);
BIGNUM * y = BN_bin2bn (signingKey + GetPublicKeyLen ()/2, GetPublicKeyLen ()/2, NULL);
m_PublicKey = GetGOSTR3410Curve (m_ParamSet)->CreatePoint (x, y);
BN_free (x); BN_free (y);
}
@ -497,16 +500,16 @@ namespace crypto
{
uint8_t digest[Hash::hashLen];
Hash::CalculateHash (buf, len, digest);
BIGNUM * d = BN_bin2bn (digest, 32, nullptr);
BIGNUM * d = BN_bin2bn (digest, Hash::hashLen, nullptr);
BIGNUM * r = BN_bin2bn (signature, GetSignatureLen ()/2, NULL);
BIGNUM * s = BN_bin2bn (signature + GetSignatureLen ()/2, GetSignatureLen ()/2, NULL);
bool ret = GetGOSTR3410Curve (m_ParamSet)->Verify (m_PublicKey, d, r, s);
BN_free (d); BN_free (r); BN_free (s);
return ret;
}
size_t GetPublicKeyLen () const { return GOSTR3410_PUBLIC_KEY_LENGTH; }
size_t GetSignatureLen () const { return GOSTR3410_SIGNATURE_LENGTH; }
size_t GetPublicKeyLen () const { return keyLen*2; }
size_t GetSignatureLen () const { return keyLen*2; }
private:
@ -519,10 +522,12 @@ namespace crypto
{
public:
enum { keyLen = Hash::hashLen };
GOSTR3410Signer (GOSTR3410ParamSet paramSet, const uint8_t * signingPrivateKey):
m_ParamSet (paramSet)
{
m_PrivateKey = BN_bin2bn (signingPrivateKey, GOSTR3410_PUBLIC_KEY_LENGTH/2, nullptr);
m_PrivateKey = BN_bin2bn (signingPrivateKey, keyLen, nullptr);
}
~GOSTR3410Signer () { BN_free (m_PrivateKey); }
@ -533,8 +538,8 @@ namespace crypto
BIGNUM * d = BN_bin2bn (digest, 32, nullptr);
BIGNUM * r = BN_new (), * s = BN_new ();
GetGOSTR3410Curve (m_ParamSet)->Sign (m_PrivateKey, d, r, s);
bn2buf (r, signature, GOSTR3410_SIGNATURE_LENGTH/2);
bn2buf (s, signature + GOSTR3410_SIGNATURE_LENGTH/2, GOSTR3410_SIGNATURE_LENGTH/2);
bn2buf (r, signature, keyLen);
bn2buf (s, signature + keyLen, keyLen);
BN_free (d); BN_free (r); BN_free (s);
}
@ -563,6 +568,10 @@ namespace crypto
typedef GOSTR3410Verifier<GOSTR3411_2001_Hash> GOSTR3410_2001_Verifier;
typedef GOSTR3410Signer<GOSTR3411_2001_Hash> GOSTR3410_2001_Signer;
typedef GOSTR3410Verifier<GOSTR3411_2012_256_Hash> GOSTR3410_2012_256_Verifier;
typedef GOSTR3410Signer<GOSTR3411_2012_256_Hash> GOSTR3410_2012_256_Signer;
typedef GOSTR3410Verifier<GOSTR3411_2012_512_Hash> GOSTR3410_2012_512_Verifier;
typedef GOSTR3410Signer<GOSTR3411_2012_512_Hash> GOSTR3410_2012_512_Signer;
}
}

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