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removed MLDSA code

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orignal
2026-06-07 08:34:19 -04:00
parent 3b06529f97
commit ce27bdecdf
2 changed files with 86 additions and 259 deletions
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libi2pd/Signature.cpp
+48 -170
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2025, The PurpleI2P Project
* Copyright (c) 2013-2026, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@@ -39,7 +39,7 @@ namespace crypto
m_PublicKey = CreateDSA (pub);
BN_free (pub);
}
bool DSAVerifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
// signature
@@ -88,7 +88,7 @@ namespace crypto
bn2buf (s, signature + DSA_SIGNATURE_LENGTH/2, DSA_SIGNATURE_LENGTH/2);
DSA_SIG_free(sig);
}
void CreateDSARandomKeys (uint8_t * signingPrivateKey, uint8_t * signingPublicKey)
{
EVP_PKEY * paramskey = CreateDSA();
@@ -105,9 +105,9 @@ namespace crypto
EVP_PKEY_free (pkey);
EVP_PKEY_free (paramskey);
EVP_PKEY_CTX_free (ctx);
}
#else
}
#else
DSAVerifier::DSAVerifier ()
{
m_PublicKey = CreateDSA ();
@@ -122,7 +122,7 @@ namespace crypto
{
DSA_set0_key (m_PublicKey, BN_bin2bn (signingKey, DSA_PUBLIC_KEY_LENGTH, NULL), NULL);
}
bool DSAVerifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
// calculate SHA1 digest
@@ -170,7 +170,7 @@ namespace crypto
bn2buf (pub_key, signingPublicKey, DSA_PUBLIC_KEY_LENGTH);
DSA_free (dsa);
}
#endif
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x030000000) // since 3.0.0
ECDSAVerifier::ECDSAVerifier (int curve, size_t keyLen, const EVP_MD * hash):
@@ -182,20 +182,20 @@ namespace crypto
{
if (m_PublicKey)
EVP_PKEY_free (m_PublicKey);
}
}
void ECDSAVerifier::SetPublicKey (const uint8_t * signingKey)
{
if (m_PublicKey)
{
{
EVP_PKEY_free (m_PublicKey);
m_PublicKey = nullptr;
}
}
auto plen = GetPublicKeyLen ();
std::vector<uint8_t> pub(plen + 1);
pub[0] = POINT_CONVERSION_UNCOMPRESSED;
memcpy (pub.data() + 1, signingKey, plen); // 0x04|x|y
OSSL_PARAM_BLD * paramBld = OSSL_PARAM_BLD_new ();
OSSL_PARAM_BLD * paramBld = OSSL_PARAM_BLD_new ();
OSSL_PARAM_BLD_push_utf8_string (paramBld, OSSL_PKEY_PARAM_GROUP_NAME, OBJ_nid2ln(m_Curve), 0);
OSSL_PARAM_BLD_push_octet_string (paramBld, OSSL_PKEY_PARAM_PUB_KEY, pub.data (), pub.size ());
OSSL_PARAM * params = OSSL_PARAM_BLD_to_param(paramBld);
@@ -210,16 +210,16 @@ namespace crypto
}
else
LogPrint (eLogError, "ECDSA can't create PKEY context");
OSSL_PARAM_free (params);
OSSL_PARAM_free (params);
OSSL_PARAM_BLD_free (paramBld);
}
}
bool ECDSAVerifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
// signature
ECDSA_SIG * sig = ECDSA_SIG_new();
ECDSA_SIG_set0 (sig, BN_bin2bn (signature, GetSignatureLen ()/2, NULL),
ECDSA_SIG_set0 (sig, BN_bin2bn (signature, GetSignatureLen ()/2, NULL),
BN_bin2bn (signature + GetSignatureLen ()/2, GetSignatureLen ()/2, NULL));
// to DER format
std::vector<uint8_t> sign(GetSignatureLen () + 8);
@@ -232,17 +232,17 @@ namespace crypto
auto ret = EVP_DigestVerify (ctx, sign.data (), l, buf, len) == 1;
EVP_MD_CTX_destroy (ctx);
return ret;
}
}
ECDSASigner::ECDSASigner (int curve, size_t keyLen, const EVP_MD * hash, const uint8_t * signingPrivateKey):
m_KeyLen (keyLen), m_Hash(hash), m_PrivateKey (nullptr)
{
BIGNUM * priv = BN_bin2bn (signingPrivateKey, keyLen/2, NULL);
OSSL_PARAM_BLD * paramBld = OSSL_PARAM_BLD_new ();
OSSL_PARAM_BLD * paramBld = OSSL_PARAM_BLD_new ();
OSSL_PARAM_BLD_push_utf8_string (paramBld, OSSL_PKEY_PARAM_GROUP_NAME, OBJ_nid2ln(curve), 0);
OSSL_PARAM_BLD_push_BN (paramBld, OSSL_PKEY_PARAM_PRIV_KEY, priv);
OSSL_PARAM * params = OSSL_PARAM_BLD_to_param(paramBld);
OSSL_PARAM_BLD_push_BN (paramBld, OSSL_PKEY_PARAM_PRIV_KEY, priv);
OSSL_PARAM * params = OSSL_PARAM_BLD_to_param(paramBld);
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name (NULL, "EC", NULL);
if (ctx)
{
@@ -254,11 +254,11 @@ namespace crypto
else
LogPrint (eLogError, "ECDSA can't create PKEY context");
OSSL_PARAM_free (params);
OSSL_PARAM_BLD_free (paramBld);
BN_free (priv);
OSSL_PARAM_free (params);
OSSL_PARAM_BLD_free (paramBld);
BN_free (priv);
}
ECDSASigner::~ECDSASigner ()
{
if (m_PrivateKey)
@@ -273,7 +273,7 @@ namespace crypto
EVP_DigestSignInit (ctx, NULL, m_Hash, NULL, m_PrivateKey);
EVP_DigestSign (ctx, sign.data(), &l, buf, len);
EVP_MD_CTX_destroy (ctx);
// decode r and s
// decode r and s
const uint8_t * s1 = sign.data ();
ECDSA_SIG * sig = d2i_ECDSA_SIG (NULL, &s1, l);
const BIGNUM * r, * s;
@@ -281,8 +281,8 @@ namespace crypto
bn2buf (r, signature, m_KeyLen/2);
bn2buf (s, signature + m_KeyLen/2, m_KeyLen/2);
ECDSA_SIG_free(sig);
}
}
void CreateECDSARandomKeys (int curve, size_t keyLen, uint8_t * signingPrivateKey, uint8_t * signingPublicKey)
{
EVP_PKEY * pkey = EVP_EC_gen (OBJ_nid2ln(curve));
@@ -299,10 +299,10 @@ namespace crypto
bn2buf (y, signingPublicKey + keyLen/2, keyLen/2);
BN_free (x); BN_free (y);
EVP_PKEY_free (pkey);
}
#endif
}
#endif
EDDSA25519Verifier::EDDSA25519Verifier ():
m_Pkey (nullptr)
{
@@ -322,13 +322,13 @@ namespace crypto
bool EDDSA25519Verifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
if (m_Pkey)
{
{
EVP_MD_CTX * ctx = EVP_MD_CTX_create ();
EVP_DigestVerifyInit (ctx, NULL, NULL, NULL, m_Pkey);
auto ret = EVP_DigestVerify (ctx, signature, 64, buf, len) == 1;
EVP_MD_CTX_destroy (ctx);
return ret;
}
EVP_MD_CTX_destroy (ctx);
return ret;
}
else
LogPrint (eLogError, "EdDSA verification key is not set");
return false;
@@ -387,11 +387,11 @@ namespace crypto
void EDDSA25519Signer::Sign (const uint8_t * buf, int len, uint8_t * signature) const
{
if (m_Fallback)
if (m_Fallback)
return m_Fallback->Sign (buf, len, signature);
else if (m_Pkey)
{
EVP_MD_CTX * ctx = EVP_MD_CTX_create ();
size_t l = 64;
uint8_t sig[64]; // temporary buffer for signature. openssl issue #7232
@@ -411,35 +411,35 @@ namespace crypto
OSSL_PARAM_utf8_string ("instance", (char *)"Ed25519ph", 9),
OSSL_PARAM_END
};
bool EDDSA25519phVerifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
auto pkey = GetPkey ();
if (pkey)
{
{
uint8_t digest[64];
SHA512 (buf, len, digest);
EVP_MD_CTX * ctx = EVP_MD_CTX_create ();
EVP_DigestVerifyInit_ex (ctx, NULL, NULL, NULL, NULL, pkey, EDDSA25519phParams);
auto ret = EVP_DigestVerify (ctx, signature, 64, digest, 64);
EVP_MD_CTX_destroy (ctx);
return ret;
}
EVP_MD_CTX_destroy (ctx);
return ret;
}
else
LogPrint (eLogError, "EdDSA verification key is not set");
return false;
}
EDDSA25519phSigner::EDDSA25519phSigner (const uint8_t * signingPrivateKey):
EDDSA25519phSigner::EDDSA25519phSigner (const uint8_t * signingPrivateKey):
EDDSA25519Signer (signingPrivateKey)
{
{
}
void EDDSA25519phSigner::Sign (const uint8_t * buf, int len, uint8_t * signature) const
{
auto pkey = GetPkey ();
if (pkey)
{
{
uint8_t digest[64];
SHA512 (buf, len, digest);
EVP_MD_CTX * ctx = EVP_MD_CTX_create ();
@@ -453,129 +453,7 @@ namespace crypto
}
else
LogPrint (eLogError, "EdDSA signing key is not set");
}
#endif
#if OPENSSL_PQ
MLDSA44Verifier::MLDSA44Verifier ():
m_Pkey (nullptr)
{
}
MLDSA44Verifier::~MLDSA44Verifier ()
{
EVP_PKEY_free (m_Pkey);
}
void MLDSA44Verifier::SetPublicKey (const uint8_t * signingKey)
{
if (m_Pkey)
{
EVP_PKEY_free (m_Pkey);
m_Pkey = nullptr;
}
OSSL_PARAM params[] =
{
OSSL_PARAM_octet_string (OSSL_PKEY_PARAM_PUB_KEY, (uint8_t *)signingKey, GetPublicKeyLen ()),
OSSL_PARAM_END
};
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name (NULL, "ML-DSA-44", NULL);
if (ctx)
{
EVP_PKEY_fromdata_init (ctx);
EVP_PKEY_fromdata (ctx, &m_Pkey, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, params);
EVP_PKEY_CTX_free (ctx);
}
else
LogPrint (eLogError, "MLDSA44 can't create PKEY context");
}
bool MLDSA44Verifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
bool ret = false;
if (m_Pkey)
{
EVP_PKEY_CTX * vctx = EVP_PKEY_CTX_new_from_pkey (NULL, m_Pkey, NULL);
if (vctx)
{
EVP_SIGNATURE * sig = EVP_SIGNATURE_fetch (NULL, "ML-DSA-44", NULL);
if (sig)
{
int encode = 1;
OSSL_PARAM params[] =
{
OSSL_PARAM_int(OSSL_SIGNATURE_PARAM_MESSAGE_ENCODING, &encode),
OSSL_PARAM_END
};
EVP_PKEY_verify_message_init (vctx, sig, params);
ret = EVP_PKEY_verify (vctx, signature, GetSignatureLen (), buf, len) == 1;
EVP_SIGNATURE_free (sig);
}
EVP_PKEY_CTX_free (vctx);
}
else
LogPrint (eLogError, "MLDSA44 can't obtain context from PKEY");
}
else
LogPrint (eLogError, "MLDSA44 verification key is not set");
return ret;
}
MLDSA44Signer::MLDSA44Signer (const uint8_t * signingPrivateKey):
m_Pkey (nullptr)
{
OSSL_PARAM params[] =
{
OSSL_PARAM_octet_string (OSSL_PKEY_PARAM_PRIV_KEY, (uint8_t *)signingPrivateKey, MLDSA44_PRIVATE_KEY_LENGTH),
OSSL_PARAM_END
};
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name (NULL, "ML-DSA-44", NULL);
if (ctx)
{
EVP_PKEY_fromdata_init (ctx);
EVP_PKEY_fromdata (ctx, &m_Pkey, OSSL_KEYMGMT_SELECT_PRIVATE_KEY, params);
EVP_PKEY_CTX_free (ctx);
}
else
LogPrint (eLogError, "MLDSA44 can't create PKEY context");
}
MLDSA44Signer::~MLDSA44Signer ()
{
if (m_Pkey) EVP_PKEY_free (m_Pkey);
}
void MLDSA44Signer::Sign (const uint8_t * buf, int len, uint8_t * signature) const
{
if (m_Pkey)
{
EVP_PKEY_CTX * sctx = EVP_PKEY_CTX_new_from_pkey (NULL, m_Pkey, NULL);
if (sctx)
{
EVP_SIGNATURE * sig = EVP_SIGNATURE_fetch (NULL, "ML-DSA-44", NULL);
if (sig)
{
int encode = 1;
OSSL_PARAM params[] =
{
OSSL_PARAM_int(OSSL_SIGNATURE_PARAM_MESSAGE_ENCODING, &encode),
OSSL_PARAM_END
};
EVP_PKEY_sign_message_init (sctx, sig, params);
size_t siglen = MLDSA44_SIGNATURE_LENGTH;
EVP_PKEY_sign (sctx, signature, &siglen, buf, len);
EVP_SIGNATURE_free (sig);
}
EVP_PKEY_CTX_free (sctx);
}
else
LogPrint (eLogError, "MLDSA44 can't obtain context from PKEY");
}
else
LogPrint (eLogError, "MLDSA44 signing key is not set");
}
#endif
#endif
}
}