9 #include <botan/internal/p11_mechanism.h>
10 #include <botan/scan_name.h>
11 #include <botan/emsa.h>
19 using PSS_Params = std::tuple<size_t, MechanismType, MGF>;
22 static const std::map<MechanismType, PSS_Params> PssOptions =
38 MechanismData(MechanismData
const&) =
default;
39 MechanismData& operator=(MechanismData
const&) =
default;
40 virtual ~MechanismData() =
default;
46 struct RSA_SignMechanism :
public MechanismData
49 : MechanismData(_type),
hash(static_cast<MechanismType>(0)),
mgf(static_cast<MGF>(0)),
salt_size(0)
51 auto pss_option = PssOptions.find(
type);
52 if(pss_option != PssOptions.end())
54 hash = std::get<1>(pss_option->second);
55 mgf = std::get<2>(pss_option->second);
56 salt_size = std::get<0>(pss_option->second);
73 static std::map<std::string, RSA_SignMechanism> SignMechanisms =
99 struct RSA_CryptMechanism :
public MechanismData
105 RSA_CryptMechanism(
MechanismType _type,
size_t _padding_size)
106 : RSA_CryptMechanism(_type, _padding_size, static_cast<
MechanismType>(0), static_cast<
MGF>(0))
120 static const std::map<std::string, RSA_CryptMechanism> CryptMechanisms =
132 static std::map<std::string, MechanismType> EcdsaHash =
143 static std::map<std::string, KeyDerivation> EcdhHash =
155 : m_mechanism( {
static_cast<CK_MECHANISM_TYPE>(mechanism_type),
nullptr, 0 }), m_parameters(
nullptr)
160 auto mechanism_info_it = CryptMechanisms.find(padding);
161 if(mechanism_info_it == CryptMechanisms.end())
164 throw Lookup_Error(
"PKCS#11 RSA encrypt/decrypt does not support EME " + padding);
166 RSA_CryptMechanism mechanism_info = mechanism_info_it->second;
171 mech.m_parameters = std::make_shared<MechanismParameters>();
172 mech.m_parameters->oaep_params.hashAlg =
static_cast<CK_MECHANISM_TYPE>(mechanism_info.hash);
175 mech.m_parameters->oaep_params.pSourceData =
nullptr;
176 mech.m_parameters->oaep_params.ulSourceDataLen = 0;
177 mech.m_mechanism.
pParameter = mech.m_parameters.get();
180 mech.m_padding_size = mechanism_info.padding_size;
186 auto mechanism_info_it = SignMechanisms.find(padding);
187 if(mechanism_info_it == SignMechanisms.end())
190 throw Lookup_Error(
"PKCS#11 RSA sign/verify does not support EMSA " + padding);
192 RSA_SignMechanism mechanism_info = mechanism_info_it->second;
195 if(PssOptions.find(mechanism_info.type) != PssOptions.end())
197 mech.m_parameters = std::make_shared<MechanismParameters>();
198 mech.m_parameters->pss_params.hashAlg =
static_cast<CK_MECHANISM_TYPE>(mechanism_info.hash);
200 mech.m_parameters->pss_params.sLen = mechanism_info.salt_size;
201 mech.m_mechanism.
pParameter = mech.m_parameters.get();
209 std::string hash_name =
hash;
211 if(hash_name !=
"Raw")
216 auto mechanism_type = EcdsaHash.find(hash_name);
217 if(mechanism_type == EcdsaHash.end())
219 throw Lookup_Error(
"PKCS#11 ECDSA sign/verify does not support " + hash);
226 std::vector<std::string> param_parts =
split_on(params,
',');
228 if(param_parts.empty() || param_parts.size() > 2)
229 throw Invalid_Argument(
"PKCS #11 ECDH key derivation bad params " + params);
231 const bool use_cofactor =
232 (param_parts[0] ==
"Cofactor") ||
233 (param_parts.size() == 2 && param_parts[1] ==
"Cofactor");
235 std::string kdf_name = (param_parts[0] ==
"Cofactor" ? param_parts[1] : param_parts[0]);
236 std::string
hash = kdf_name;
238 if(kdf_name !=
"Raw")
244 hash = kdf_hash.
arg(0);
248 auto kdf = EcdhHash.find(hash);
249 if(kdf == EcdhHash.end())
251 throw Lookup_Error(
"PKCS#11 ECDH key derivation does not support KDF " + kdf_name);
254 mech.m_parameters = std::make_shared<MechanismParameters>();
255 mech.m_parameters->ecdh_params.kdf =
static_cast<CK_EC_KDF_TYPE>(kdf->second);
256 mech.m_mechanism.
pParameter = mech.m_parameters.get();
std::string arg(size_t i) const
std::string hash_for_emsa(const std::string &algo_spec)
CK_ULONG CK_MECHANISM_TYPE
std::vector< std::string > split_on(const std::string &str, char delim)
static MechanismWrapper create_ecdh_mechanism(const std::string ¶ms)
MechanismWrapper(MechanismType mechanism_type)
CK_RSA_PKCS_PSS_PARAMS RsaPkcsPssParams
#define CKZ_DATA_SPECIFIED
CK_RSA_PKCS_OAEP_PARAMS RsaPkcsOaepParams
static MechanismWrapper create_rsa_crypt_mechanism(const std::string &padding)
CK_ULONG CK_RSA_PKCS_MGF_TYPE
static MechanismWrapper create_ecdsa_mechanism(const std::string &hash)
CK_ECDH1_DERIVE_PARAMS Ecdh1DeriveParams
static MechanismWrapper create_rsa_sign_mechanism(const std::string &padding)