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get public key libressl

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user committed 2026-06-08 05:11:44 +00:00
1 parent e594a7d9b5
commit 8562404952
1 file changed
+44 -25
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libi2pd/PostQuantum.cpp
+44 -25
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@@ -82,36 +82,39 @@ namespace crypto
{
size_t len = m_KeyLen;
#ifndef LIBRESSL_PQ
EVP_PKEY_get_octet_string_param (m_Pkey, OSSL_PKEY_PARAM_PUB_KEY, pub, m_KeyLen, &len);
EVP_PKEY_get_octet_string_param (m_Pkey, OSSL_PKEY_PARAM_PUB_KEY, pub, m_KeyLen, &len);
#else
/*
* MLKEM_generate_key(MLKEM_private_key *private_key,
uint8_t **out_encoded_public_key, size_t *out_encoded_public_key_len,
uint8_t **out_optional_seed, size_t *out_optional_seed_len);
https://github.com/libressl/openbsd/blob/8662e35dbd36d8450a6d4c7188a65c580e4b339f/src/lib/libcrypto/mlkem/mlkem.h#L125C5-L128C1
maybe int MLKEM_public_from_private(const MLKEM_private_key *private_key,
MLKEM_public_key *public_key);?
*/
{
// auto result = MLKEM_generate_key(m_Pkey, &pub, &len, nullptr, nullptr);
// if(result != 0) {
// LogPrint (eLogError, "MLKEM [libressl]: can't generate public key");
if (!m_Pkey) return;
LogPrint(eLogDebug, "MLKEM: GetPublicKey [ libressl ]");
auto pub_key = MLKEM_public_key_new(DEF_RANK);
if (MLKEM_public_from_private(m_Pkey, pub_key) == 0)
if (!m_Pkey) return;
LogPrint(eLogDebug, "MLKEM: GetPublicKey [ libressl ]");
auto pub_key = MLKEM_public_key_new(DEF_RANK);
if (MLKEM_public_from_private(m_Pkey, pub_key) == 0)
{
uint8_t * encoded_pub = nullptr;
size_t encoded_len = 0;
if (MLKEM_marshal_public_key(pub_key, &encoded_pub, &encoded_len) == 1)
{
//int MLKEM_marshal_public_key(const MLKEM_public_key *public_key, uint8_t **out, size_t *out_len);
MLKEM_marshal_public_key(pub_key, &pub, &len);
if (encoded_len <= m_KeyLen) {
memcpy(pub, encoded_pub, encoded_len);
} else {
LogPrint(eLogError, "MLKEM [libressl]: Buffer too small");
}
OPENSSL_free(encoded_pub);
}
else
{
LogPrint(eLogError, "MLKEM [libressl]: can't extract public key from private");
}
MLKEM_public_key_free(pub_key);
LogPrint(eLogError, "MLKEM [libressl]: can't marshal public key");
}
}
else
{
LogPrint(eLogError, "MLKEM [libressl]: can't extract public key from private");
}
MLKEM_public_key_free(pub_key);
#endif
}
}
@@ -121,7 +124,7 @@ namespace crypto
{
#ifndef LIBRESSL_PQ
if(!m_Pkey) return LogPrint(eLogError, "We are don't have private key for set public key");
FreeKeys();
/*FreeKeys(); /////// ?????????
OSSL_PARAM params[] =
{
OSSL_PARAM_octet_string (OSSL_PKEY_PARAM_PUB_KEY, (uint8_t *)pub, m_KeyLen),
@@ -136,6 +139,22 @@ namespace crypto
}
else
LogPrint (eLogError, "MLKEM can't create PKEY context");
*/
OSSL_PARAM params[] = {
OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PUB_KEY, (void*)pub, m_KeyLen),
OSSL_PARAM_END
};
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name(NULL, m_Name.c_str(), NULL);
if (ctx) {
EVP_PKEY_fromdata_init(ctx);
if (EVP_PKEY_fromdata(ctx, &m_Pkey, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, params) <= 0) {
LogPrint(eLogError, "MLKEM: Failed to set public key data");
}
EVP_PKEY_CTX_free(ctx);
} else {
LogPrint(eLogError, "MLKEM: can't create PKEY context");
}
#else
MLKEM_public_key * pub_key;
pub_key = MLKEM_public_key_new(DEF_RANK);