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Post-Quantum. MLDSA44 verifier

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orignal
2025-03-12 15:41:12 -04:00
parent 972c6854bc
commit dd58b2f867
5 changed files with 92 additions and 2 deletions
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libi2pd/Identity.cpp
+26
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@@ -119,6 +119,16 @@ namespace data
memcpy (m_StandardIdentity.signingKey, signingKey, i2p::crypto::GOSTR3410_512_PUBLIC_KEY_LENGTH);
break;
}
#if OPENSSL_PQ
case SIGNING_KEY_TYPE_MLDSA44:
{
memcpy (m_StandardIdentity, signingKey, 384);
excessLen = i2p::crypto::MLDSA44_PUBLIC_KEY_LENGTH - 384;
excessBuf = new uint8_t[excessLen];
memcpy (excessBuf, signingKey + 384, excessLen);
break;
}
#endif
default:
LogPrint (eLogError, "Identity: Signing key type ", (int)type, " is not supported");
}
@@ -352,6 +362,10 @@ namespace data
return new i2p::crypto::GOSTR3410_512_Verifier (i2p::crypto::eGOSTR3410TC26A512);
case SIGNING_KEY_TYPE_REDDSA_SHA512_ED25519:
return new i2p::crypto::RedDSA25519Verifier ();
#if OPENSSL_PQ
case SIGNING_KEY_TYPE_MLDSA44:
return new i2p::crypto::MLDSA44Verifier ();
#endif
case SIGNING_KEY_TYPE_RSA_SHA256_2048:
case SIGNING_KEY_TYPE_RSA_SHA384_3072:
case SIGNING_KEY_TYPE_RSA_SHA512_4096:
@@ -373,6 +387,18 @@ namespace data
auto keyLen = verifier->GetPublicKeyLen ();
if (keyLen <= 128)
verifier->SetPublicKey (m_StandardIdentity.signingKey + 128 - keyLen);
#if OPENSSL_PQ
else if (keyLen > 384)
{
// for post-quantum
uint8_t * signingKey = new uint8_t[keyLen];
memcpy (signingKey, m_StandardIdentity.signingKey, 384);
size_t excessLen = keyLen - 384;
memcpy (signingKey + 384, m_ExtendedBuffer + 4, excessLen); // right after signing and crypto key types
verifier->SetPublicKey (signingKey);
delete[] signingKey;
}
#endif
else
{
// for P521