dandri/i2pd
1
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2026-07-28 23:09:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

PQ/LibreSSL: encap/decap

Browse Source
This commit is contained in:
user
2026-06-08 04:31:54 +00:00
parent cd176796b3
commit 321483f56e
2 changed files with 55 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libi2pd/PostQuantum.cpp
+55 -7
View File
@@ -120,13 +120,13 @@ namespace crypto
else
LogPrint (eLogError, "MLKEM can't create PKEY context");
#else
if (m_PublicKey) MLKEM_public_key_free(m_PublicKey);
m_PublicKey = MLKEM_public_key_new(DEF_RANK);
if (!MLKEM_parse_public_key(m_PublicKey, pub, m_KeyLen))
MLKEM_public_key * pub_key;
pub_key = MLKEM_public_key_new(DEF_RANK);
if (!MLKEM_parse_public_key(pub_key, pub, m_KeyLen))
{
LogPrint(eLogError, "MLKEM: failed to parse public key");
MLKEM_public_key_free(m_PublicKey);
m_PublicKey = nullptr;
if(pub_key) MLKEM_public_key_free(m_PublicKey);
pub_key = nullptr;
}
//LogPrint(eLogError, "MLKEM SetPublicKey [libressl] NOT IMPLEMENTED YET");
#endif
@@ -147,13 +147,42 @@ namespace crypto
else
LogPrint (eLogError, "MLKEM can't create PKEY context");
#else
// auto res = MLKEM_encap(
#endif
auto pub_key = MLKEM_public_key_new(DEF_RANK);
if (MLKEM_public_from_private(m_Pkey, pub_key) != 0)
{
LogPrint(eLogError, "MLKEM can't get public from private");
return;
}
uint8_t * out_ct = nullptr;
size_t out_ct_len = 0;
uint8_t * out_ss = nullptr;
size_t out_ss_len = 0;
if (MLKEM_encap(pub_key, &out_ct, &out_ct_len, &out_ss, &out_ss_len) == 1)
{
memcpy(ciphertext, out_ct, out_ct_len);
memcpy(shared, out_ss, out_ss_len);
OPENSSL_cleanse(out_ct, out_ct_len);
OPENSSL_cleanse(out_ss, out_ss_len);
OPENSSL_free(out_ct);
OPENSSL_free(out_ss);
}
else
{
LogPrint(eLogError, "MLKEM [libressl]: encapsulation failed");
}
MLKEM_public_key_free(pub_key);
#endif
}
void MLKEMKeys::Decaps (const uint8_t * ciphertext, uint8_t * shared)
{
if (!m_Pkey) return;
#ifndef LIBRESSL_PQ
auto ctx = EVP_PKEY_CTX_new_from_pkey (NULL, m_Pkey, NULL);
if (ctx)
{
@@ -164,6 +193,25 @@ namespace crypto
}
else
LogPrint (eLogError, "MLKEM can't create PKEY context");
#else
//int MLKEM_decap(const MLKEM_private_key *private_key,
//const uint8_t *ciphertext, size_t ciphertext_len,
//uint8_t **out_shared_secret, size_t *out_shared_secret_len);
uint8_t * out_shared_secret = nullptr;
size_t out_shared_secret_len = 0;
if (MLKEM_decap(m_Pkey, ciphertext, m_CTLen, &out_shared_secret, &out_shared_secret_len) == 1)
{
memcpy(shared, out_shared_secret, out_shared_secret_len);
OPENSSL_cleanse(out_shared_secret, out_shared_secret_len);
OPENSSL_free(out_shared_secret);
}
else
{
LogPrint(eLogError, "MLKEM [libressl]: decapsulation failed");
}
#endif
}
std::unique_ptr<MLKEMKeys> CreateMLKEMKeys (i2p::data::CryptoKeyType type)
libi2pd/PostQuantum.h
-1
View File
@@ -83,7 +83,6 @@ namespace crypto
EVP_PKEY * m_Pkey;
#else
MLKEM_private_key * m_Pkey;
MLKEM_public_key * m_PublicKey; // used only for SetPublickKey maybe not neeed
#endif
};