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common ML-KEM names and key lengths

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orignal
2025-04-13 18:18:44 -04:00
parent f6abbe5908
commit 9ab1a67f0b
5 changed files with 88 additions and 46 deletions
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30
libi2pd/Crypto.cpp
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@@ -1011,32 +1011,32 @@ namespace crypto
#if OPENSSL_PQ
MLKEM512Keys::MLKEM512Keys ():
m_Pkey (nullptr)
MLKEMKeys::MLKEMKeys (std::string_view name, size_t keyLen, size_t ctLen):
m_Name (name), m_KeyLen (keyLen), m_CTLen (ctLen),m_Pkey (nullptr)
{
}
MLKEM512Keys::~MLKEM512Keys ()
MLKEMKeys::~MLKEMKeys ()
{
if (m_Pkey) EVP_PKEY_free (m_Pkey);
}
void MLKEM512Keys::GenerateKeys ()
void MLKEMKeys::GenerateKeys ()
{
if (m_Pkey) EVP_PKEY_free (m_Pkey);
m_Pkey = EVP_PKEY_Q_keygen(NULL, NULL, "ML-KEM-512");
m_Pkey = EVP_PKEY_Q_keygen(NULL, NULL, m_Name.c_str ());
}
void MLKEM512Keys::GetPublicKey (uint8_t * pub) const
void MLKEMKeys::GetPublicKey (uint8_t * pub) const
{
if (m_Pkey)
{
size_t len = MLKEM512_KEY_LENGTH;
EVP_PKEY_get_octet_string_param (m_Pkey, OSSL_PKEY_PARAM_PUB_KEY, pub, MLKEM512_KEY_LENGTH, &len);
size_t len = m_KeyLen;
EVP_PKEY_get_octet_string_param (m_Pkey, OSSL_PKEY_PARAM_PUB_KEY, pub, m_KeyLen, &len);
}
}
void MLKEM512Keys::SetPublicKey (const uint8_t * pub)
void MLKEMKeys::SetPublicKey (const uint8_t * pub)
{
if (m_Pkey)
{
@@ -1045,10 +1045,10 @@ namespace crypto
}
OSSL_PARAM params[] =
{
OSSL_PARAM_octet_string (OSSL_PKEY_PARAM_PUB_KEY, (uint8_t *)pub, MLKEM512_KEY_LENGTH),
OSSL_PARAM_octet_string (OSSL_PKEY_PARAM_PUB_KEY, (uint8_t *)pub, m_KeyLen),
OSSL_PARAM_END
};
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name (NULL, "ML-KEM-512", NULL);
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name (NULL, m_Name.c_str (), NULL);
if (ctx)
{
EVP_PKEY_fromdata_init (ctx);
@@ -1059,14 +1059,14 @@ namespace crypto
LogPrint (eLogError, "MLKEM512 can't create PKEY context");
}
void MLKEM512Keys::Encaps (uint8_t * ciphertext, uint8_t * shared)
void MLKEMKeys::Encaps (uint8_t * ciphertext, uint8_t * shared)
{
if (!m_Pkey) return;
auto ctx = EVP_PKEY_CTX_new_from_pkey (NULL, m_Pkey, NULL);
if (ctx)
{
EVP_PKEY_encapsulate_init (ctx, NULL);
size_t len = MLKEM512_CIPHER_TEXT_LENGTH, sharedLen = 32;
size_t len = m_CTLen, sharedLen = 32;
EVP_PKEY_encapsulate (ctx, ciphertext, &len, shared, &sharedLen);
EVP_PKEY_CTX_free (ctx);
}
@@ -1074,7 +1074,7 @@ namespace crypto
LogPrint (eLogError, "MLKEM512 can't create PKEY context");
}
void MLKEM512Keys::Decaps (const uint8_t * ciphertext, uint8_t * shared)
void MLKEMKeys::Decaps (const uint8_t * ciphertext, uint8_t * shared)
{
if (!m_Pkey) return;
auto ctx = EVP_PKEY_CTX_new_from_pkey (NULL, m_Pkey, NULL);
@@ -1082,7 +1082,7 @@ namespace crypto
{
EVP_PKEY_decapsulate_init (ctx, NULL);
size_t sharedLen = 32;
EVP_PKEY_decapsulate (ctx, shared, &sharedLen, ciphertext, MLKEM512_CIPHER_TEXT_LENGTH);
EVP_PKEY_decapsulate (ctx, shared, &sharedLen, ciphertext, m_CTLen);
EVP_PKEY_CTX_free (ctx);
}
else