5129806836

Committed 31 May 2023 07:54AM UTC coverage: 91.972% (-0.04%) from 92.012%

Build # 5129806836

Build Type

Pull #3549

github

Committed by

web-flow

Commit Message

Merge 830a653e4 into 1cbeffafb

Pull Request Pull Request #3549: SPHINCS+

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93.82

/src/lib/pubkey/pk_algs.cpp

/*
* PK Key
* (C) 1999-2010,2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/pk_algs.h>

#include <botan/internal/fmt.h>
#include <botan/internal/parsing.h>

#if defined(BOTAN_HAS_RSA)
   #include <botan/rsa.h>
#endif

#if defined(BOTAN_HAS_DSA)
   #include <botan/dsa.h>
#endif

#if defined(BOTAN_HAS_DL_GROUP)
   #include <botan/dl_group.h>
#endif

#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
   #include <botan/dh.h>
#endif

#if defined(BOTAN_HAS_ECC_PUBLIC_KEY_CRYPTO)
   #include <botan/ecc_key.h>
#endif

#if defined(BOTAN_HAS_ECDSA)
   #include <botan/ecdsa.h>
#endif

#if defined(BOTAN_HAS_ECGDSA)
   #include <botan/ecgdsa.h>
#endif

#if defined(BOTAN_HAS_ECKCDSA)
   #include <botan/eckcdsa.h>
#endif

#if defined(BOTAN_HAS_ED25519)
   #include <botan/ed25519.h>
#endif

#if defined(BOTAN_HAS_GOST_34_10_2001)
   #include <botan/gost_3410.h>
#endif

#if defined(BOTAN_HAS_ELGAMAL)
   #include <botan/elgamal.h>
#endif

#if defined(BOTAN_HAS_ECDH)
   #include <botan/ecdh.h>
#endif

#if defined(BOTAN_HAS_CURVE_25519)
   #include <botan/curve25519.h>
#endif

#if defined(BOTAN_HAS_MCELIECE)
   #include <botan/mceliece.h>
#endif

#if defined(BOTAN_HAS_KYBER) || defined(BOTAN_HAS_KYBER_90S)
   #include <botan/kyber.h>
#endif

#if defined(BOTAN_HAS_XMSS_RFC8391)
   #include <botan/xmss.h>
#endif

#if defined(BOTAN_HAS_SM2)
   #include <botan/sm2.h>
#endif

#if defined(BOTAN_HAS_DILITHIUM) || defined(BOTAN_HAS_DILITHIUM_AES)
   #include <botan/dilithium.h>
#endif

#if defined(BOTAN_HAS_SPHINCS_PLUS)
   #include <botan/sphincsplus.h>
#endif

namespace Botan {

std::unique_ptr<Public_Key> load_public_key(const AlgorithmIdentifier& alg_id,
                                            [[maybe_unused]] std::span<const uint8_t> key_bits) {
   const std::string oid_str = alg_id.oid().to_formatted_string();
   const std::vector<std::string> alg_info = split_on(oid_str, '/');
   std::string_view alg_name = alg_info[0];

#if defined(BOTAN_HAS_RSA)
   if(alg_name == "RSA") {
      return std::make_unique<RSA_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_CURVE_25519)
   if(alg_name == "Curve25519") {
      return std::make_unique<Curve25519_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_MCELIECE)
   if(alg_name == "McEliece") {
      return std::make_unique<McEliece_PublicKey>(key_bits);
   }
#endif

#if defined(BOTAN_HAS_KYBER) || defined(BOTAN_HAS_KYBER_90S)
   if(alg_name == "Kyber" || alg_name.starts_with("Kyber-")) {
      return std::make_unique<Kyber_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECDSA)
   if(alg_name == "ECDSA") {
      return std::make_unique<ECDSA_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECDH)
   if(alg_name == "ECDH") {
      return std::make_unique<ECDH_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
   if(alg_name == "DH") {
      return std::make_unique<DH_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_DSA)
   if(alg_name == "DSA") {
      return std::make_unique<DSA_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ELGAMAL)
   if(alg_name == "ElGamal") {
      return std::make_unique<ElGamal_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECGDSA)
   if(alg_name == "ECGDSA") {
      return std::make_unique<ECGDSA_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECKCDSA)
   if(alg_name == "ECKCDSA") {
      return std::make_unique<ECKCDSA_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ED25519)
   if(alg_name == "Ed25519") {
      return std::make_unique<Ed25519_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_GOST_34_10_2001)
   if(alg_name == "GOST-34.10" || alg_name == "GOST-34.10-2012-256" || alg_name == "GOST-34.10-2012-512") {
      return std::make_unique<GOST_3410_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_SM2)
   if(alg_name == "SM2" || alg_name == "SM2_Sig" || alg_name == "SM2_Enc") {
      return std::make_unique<SM2_PublicKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_XMSS_RFC8391)
   if(alg_name == "XMSS") {
      return std::make_unique<XMSS_PublicKey>(key_bits);
   }
#endif

#if defined(BOTAN_HAS_DILITHIUM) || defined(BOTAN_HAS_DILITHIUM_AES)
   if(alg_name == "Dilithium" || alg_name.starts_with("Dilithium-")) {
      return std::make_unique<Dilithium_PublicKey>(alg_id, key_bits);
   }
#endif

   throw Decoding_Error(fmt("Unknown or unavailable public key algorithm '{}'", alg_name));
}

std::unique_ptr<Private_Key> load_private_key(const AlgorithmIdentifier& alg_id,
                                              [[maybe_unused]] std::span<const uint8_t> key_bits) {
   const std::string oid_str = alg_id.oid().to_formatted_string();
   const std::vector<std::string> alg_info = split_on(oid_str, '/');
   std::string_view alg_name = alg_info[0];

#if defined(BOTAN_HAS_RSA)
   if(alg_name == "RSA") {
      return std::make_unique<RSA_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_CURVE_25519)
   if(alg_name == "Curve25519") {
      return std::make_unique<Curve25519_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECDSA)
   if(alg_name == "ECDSA") {
      return std::make_unique<ECDSA_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECDH)
   if(alg_name == "ECDH") {
      return std::make_unique<ECDH_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
   if(alg_name == "DH") {
      return std::make_unique<DH_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_DSA)
   if(alg_name == "DSA") {
      return std::make_unique<DSA_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_KYBER) || defined(BOTAN_HAS_KYBER_90S)
   if(alg_name == "Kyber" || alg_name.starts_with("Kyber-")) {
      return std::make_unique<Kyber_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_MCELIECE)
   if(alg_name == "McEliece") {
      return std::make_unique<McEliece_PrivateKey>(key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECGDSA)
   if(alg_name == "ECGDSA") {
      return std::make_unique<ECGDSA_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ECKCDSA)
   if(alg_name == "ECKCDSA") {
      return std::make_unique<ECKCDSA_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ED25519)
   if(alg_name == "Ed25519") {
      return std::make_unique<Ed25519_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_GOST_34_10_2001)
   if(alg_name == "GOST-34.10" || alg_name == "GOST-34.10-2012-256" || alg_name == "GOST-34.10-2012-512") {
      return std::make_unique<GOST_3410_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_SM2)
   if(alg_name == "SM2" || alg_name == "SM2_Sig" || alg_name == "SM2_Enc") {
      return std::make_unique<SM2_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_ELGAMAL)
   if(alg_name == "ElGamal") {
      return std::make_unique<ElGamal_PrivateKey>(alg_id, key_bits);
   }
#endif

#if defined(BOTAN_HAS_XMSS_RFC8391)
   if(alg_name == "XMSS") {
      return std::make_unique<XMSS_PrivateKey>(key_bits);
   }
#endif

#if defined(BOTAN_HAS_DILITHIUM) || defined(BOTAN_HAS_DILITHIUM_AES)
   if(alg_name == "Dilithium" || alg_name.starts_with("Dilithium-")) {
      return std::make_unique<Dilithium_PrivateKey>(alg_id, key_bits);
   }
#endif

   throw Decoding_Error(fmt("Unknown or unavailable public key algorithm '{}'", alg_name));
}

std::unique_ptr<Private_Key> create_ec_private_key(std::string_view alg_name,
                                                   const EC_Group& ec_group,
                                                   RandomNumberGenerator& rng) {
   // Potentially unused if all EC algorthms are disabled
   BOTAN_UNUSED(alg_name, ec_group, rng);

#if defined(BOTAN_HAS_ECDSA)
   if(alg_name == "ECDSA") {
      return std::make_unique<ECDSA_PrivateKey>(rng, ec_group);
   }
#endif

#if defined(BOTAN_HAS_ECDH)
   if(alg_name == "ECDH") {
      return std::make_unique<ECDH_PrivateKey>(rng, ec_group);
   }
#endif

#if defined(BOTAN_HAS_ECKCDSA)
   if(alg_name == "ECKCDSA") {
      return std::make_unique<ECKCDSA_PrivateKey>(rng, ec_group);
   }
#endif

#if defined(BOTAN_HAS_GOST_34_10_2001)
   if(alg_name == "GOST-34.10" || alg_name == "GOST-34.10-2012-256" || alg_name == "GOST-34.10-2012-512") {
      return std::make_unique<GOST_3410_PrivateKey>(rng, ec_group);
   }
#endif

#if defined(BOTAN_HAS_SM2)
   if(alg_name == "SM2" || alg_name == "SM2_Sig" || alg_name == "SM2_Enc") {
      return std::make_unique<SM2_PrivateKey>(rng, ec_group);
   }
#endif

#if defined(BOTAN_HAS_ECGDSA)
   if(alg_name == "ECGDSA") {
      return std::make_unique<ECGDSA_PrivateKey>(rng, ec_group);
   }
#endif

   return nullptr;
}

std::unique_ptr<Private_Key> create_private_key(std::string_view alg_name,
                                                RandomNumberGenerator& rng,
                                                std::string_view params,
                                                std::string_view provider) {
   /*
   * Default paramaters are chosen for work factor > 2**128 where possible
   */

#if defined(BOTAN_HAS_CURVE_25519)
   if(alg_name == "Curve25519") {
      return std::make_unique<Curve25519_PrivateKey>(rng);
   }
#endif

#if defined(BOTAN_HAS_RSA)
   if(alg_name == "RSA") {
      const size_t modulus_bits = params.empty() ? 3072 : to_u32bit(params);
      return std::make_unique<RSA_PrivateKey>(rng, modulus_bits);
   }
#endif

#if defined(BOTAN_HAS_MCELIECE)
   if(alg_name == "McEliece") {
      const auto [n, t] = [&]() -> std::pair<size_t, size_t> {
         if(params.empty()) {
            return {2960, 57};
         }

         const auto mce_params = split_on(params, ',');

         if(mce_params.size() != 2) {
            throw Invalid_Argument(fmt("create_private_key: invalid McEliece parameters '{}'", params));
         }

         const size_t mce_n = to_u32bit(mce_params[0]);
         const size_t mce_t = to_u32bit(mce_params[1]);
         return {mce_n, mce_t};
      }();

      return std::make_unique<McEliece_PrivateKey>(rng, n, t);
   }
#endif

#if defined(BOTAN_HAS_KYBER) || defined(BOTAN_HAS_KYBER_90S)
   if(alg_name == "Kyber") {
      const auto mode = [&]() -> KyberMode {
         if(params.empty()) {
            return KyberMode::Kyber1024;
         }
         return KyberMode(params);
      }();

      return std::make_unique<Kyber_PrivateKey>(rng, mode);
   }
#endif

#if defined(BOTAN_HAS_DILITHIUM) || defined(BOTAN_HAS_DILITHIUM_AES)
   if(alg_name == "Dilithium" || alg_name == "Dilithium-") {
      const auto mode = [&]() -> DilithiumMode {
         if(params.empty()) {
            return DilithiumMode::Dilithium6x5;
         }
         return DilithiumMode(params);
      }();

      return std::make_unique<Dilithium_PrivateKey>(rng, mode);
   }
#endif

#if defined(BOTAN_HAS_SPHINCS_PLUS)
   if(alg_name == "SPHINCS+" || alg_name == "SphincsPlus-") {
      auto sphincs_params = Sphincs_Parameters::create(params);

      return std::make_unique<SphincsPlus_PrivateKey>(rng, sphincs_params);
   }
#endif

#if defined(BOTAN_HAS_XMSS_RFC8391)
   if(alg_name == "XMSS") {
      const auto xmss_oid = [&]() -> XMSS_Parameters::xmss_algorithm_t {
         if(params.empty()) {
            return XMSS_Parameters::XMSS_SHA2_10_512;
         }
         return XMSS_Parameters(params).oid();
      }();

      return std::make_unique<XMSS_PrivateKey>(xmss_oid, rng);
   }
#endif

#if defined(BOTAN_HAS_ED25519)
   if(alg_name == "Ed25519") {
      return std::make_unique<Ed25519_PrivateKey>(rng);
   }
#endif

   // ECC crypto
#if defined(BOTAN_HAS_ECC_PUBLIC_KEY_CRYPTO)

   if(alg_name == "ECDSA" || alg_name == "ECDH" || alg_name == "ECKCDSA" || alg_name == "ECGDSA" || alg_name == "SM2" ||
      alg_name == "SM2_Sig" || alg_name == "SM2_Enc" || alg_name == "GOST-34.10" || alg_name == "GOST-34.10-2012-256" ||
      alg_name == "GOST-34.10-2012-512") {
      const std::string group_id = [&]() -> std::string {
         if(!params.empty()) {
            return std::string(params);
         }
         if(alg_name == "SM2" || alg_name == "SM2_Enc" || alg_name == "SM2_Sig") {
            return "sm2p256v1";
         }
         if(alg_name == "GOST-34.10" || alg_name == "GOST-34.10-2012-256") {
            return "gost_256A";
         }
         if(alg_name == "GOST-34.10-2012-512") {
            return "gost_512A";
         }
         if(alg_name == "ECGDSA") {
            return "brainpool256r1";
         }
         return "secp256r1";
      }();

      const EC_Group ec_group(group_id);
      return create_ec_private_key(alg_name, ec_group, rng);
   }
#endif

   // DL crypto
#if defined(BOTAN_HAS_DL_GROUP)
   if(alg_name == "DH" || alg_name == "DSA" || alg_name == "ElGamal") {
      const std::string group_id = [&]() -> std::string {
         if(!params.empty()) {
            return std::string(params);
         }
         if(alg_name == "DSA") {
            return "dsa/botan/2048";
         }
         return "modp/ietf/2048";
      }();

      DL_Group modp_group(group_id);

   #if defined(BOTAN_HAS_DIFFIE_HELLMAN)
      if(alg_name == "DH") {
         return std::make_unique<DH_PrivateKey>(rng, modp_group);
      }
   #endif

   #if defined(BOTAN_HAS_DSA)
      if(alg_name == "DSA") {
         return std::make_unique<DSA_PrivateKey>(rng, modp_group);
      }
   #endif

   #if defined(BOTAN_HAS_ELGAMAL)
      if(alg_name == "ElGamal") {
         return std::make_unique<ElGamal_PrivateKey>(rng, modp_group);
      }
   #endif
   }
#endif

   BOTAN_UNUSED(alg_name, rng, params, provider);

   return std::unique_ptr<Private_Key>();
}

std::vector<std::string> probe_provider_private_key(std::string_view alg_name,
                                                    const std::vector<std::string>& possible) {
   std::vector<std::string> providers;

   for(auto&& prov : possible) {
      if(prov == "base") {
         providers.push_back(prov);
      }
   }

   BOTAN_UNUSED(alg_name);

   return providers;
}
}  // namespace Botan

1	/*
2	* PK Key
3	* (C) 1999-2010,2016 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/pk_algs.h>
9
10	#include <botan/internal/fmt.h>
11	#include <botan/internal/parsing.h>
12
13	#if defined(BOTAN_HAS_RSA)
14	#include <botan/rsa.h>
15	#endif
16
17	#if defined(BOTAN_HAS_DSA)
18	#include <botan/dsa.h>
19	#endif
20
21	#if defined(BOTAN_HAS_DL_GROUP)
22	#include <botan/dl_group.h>
23	#endif
24
25	#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
26	#include <botan/dh.h>
27	#endif
28
29	#if defined(BOTAN_HAS_ECC_PUBLIC_KEY_CRYPTO)
30	#include <botan/ecc_key.h>
31	#endif
32
33	#if defined(BOTAN_HAS_ECDSA)
34	#include <botan/ecdsa.h>
35	#endif
36
37	#if defined(BOTAN_HAS_ECGDSA)
38	#include <botan/ecgdsa.h>
39	#endif
40
41	#if defined(BOTAN_HAS_ECKCDSA)
42	#include <botan/eckcdsa.h>
43	#endif
44
45	#if defined(BOTAN_HAS_ED25519)
46	#include <botan/ed25519.h>
47	#endif
48
49	#if defined(BOTAN_HAS_GOST_34_10_2001)
50	#include <botan/gost_3410.h>
51	#endif
52
53	#if defined(BOTAN_HAS_ELGAMAL)
54	#include <botan/elgamal.h>
55	#endif
56
57	#if defined(BOTAN_HAS_ECDH)
58	#include <botan/ecdh.h>
59	#endif
60
61	#if defined(BOTAN_HAS_CURVE_25519)
62	#include <botan/curve25519.h>
63	#endif
64
65	#if defined(BOTAN_HAS_MCELIECE)
66	#include <botan/mceliece.h>
67	#endif
68
69	#if defined(BOTAN_HAS_KYBER) \|\| defined(BOTAN_HAS_KYBER_90S)
70	#include <botan/kyber.h>
71	#endif
72
73	#if defined(BOTAN_HAS_XMSS_RFC8391)
74	#include <botan/xmss.h>
75	#endif
76
77	#if defined(BOTAN_HAS_SM2)
78	#include <botan/sm2.h>
79	#endif
80
81	#if defined(BOTAN_HAS_DILITHIUM) \|\| defined(BOTAN_HAS_DILITHIUM_AES)
82	#include <botan/dilithium.h>
83	#endif
84
85	#if defined(BOTAN_HAS_SPHINCS_PLUS)
86	#include <botan/sphincsplus.h>
87	#endif
88
89	namespace Botan {
90
91	std::unique_ptr<Public_Key> load_public_key(const AlgorithmIdentifier& alg_id,	15,301✔
92	[[maybe_unused]] std::span<const uint8_t> key_bits) {
93	const std::string oid_str = alg_id.oid().to_formatted_string();	15,301✔
94	const std::vector<std::string> alg_info = split_on(oid_str, '/');	15,301✔
95	std::string_view alg_name = alg_info[0];	15,301✔
96
97	#if defined(BOTAN_HAS_RSA)
98	if(alg_name == "RSA") {	15,550✔
99	return std::make_unique<RSA_PublicKey>(alg_id, key_bits);	22,221✔
100	}
101	#endif
102
103	#if defined(BOTAN_HAS_CURVE_25519)
104	if(alg_name == "Curve25519") {	3,765✔
105	return std::make_unique<Curve25519_PublicKey>(alg_id, key_bits);	44✔
106	}
107	#endif
108
109	#if defined(BOTAN_HAS_MCELIECE)
110	if(alg_name == "McEliece") {	3,743✔
111	return std::make_unique<McEliece_PublicKey>(key_bits);	2✔
112	}
113	#endif
114
115	#if defined(BOTAN_HAS_KYBER) \|\| defined(BOTAN_HAS_KYBER_90S)
116	if(alg_name == "Kyber" \|\| alg_name.starts_with("Kyber-")) {	6,022✔
117	return std::make_unique<Kyber_PublicKey>(alg_id, key_bits);	24✔
118	}
119	#endif
120
121	#if defined(BOTAN_HAS_ECDSA)
122	if(alg_name == "ECDSA") {	3,730✔
123	return std::make_unique<ECDSA_PublicKey>(alg_id, key_bits);	4,331✔
124	}
125	#endif
126
127	#if defined(BOTAN_HAS_ECDH)
128	if(alg_name == "ECDH") {	1,487✔
129	return std::make_unique<ECDH_PublicKey>(alg_id, key_bits);	33✔
130	}
131	#endif
132
133	#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
134	if(alg_name == "DH") {	1,432✔
135	return std::make_unique<DH_PublicKey>(alg_id, key_bits);	16✔
136	}
137	#endif
138
139	#if defined(BOTAN_HAS_DSA)
140	if(alg_name == "DSA") {	1,433✔
141	return std::make_unique<DSA_PublicKey>(alg_id, key_bits);	355✔
142	}
143	#endif
144
145	#if defined(BOTAN_HAS_ELGAMAL)
146	if(alg_name == "ElGamal") {	2,018✔
147	return std::make_unique<ElGamal_PublicKey>(alg_id, key_bits);	8✔
148	}
149	#endif
150
151	#if defined(BOTAN_HAS_ECGDSA)
152	if(alg_name == "ECGDSA") {	1,180✔
153	return std::make_unique<ECGDSA_PublicKey>(alg_id, key_bits);	144✔
154	}
155	#endif
156
157	#if defined(BOTAN_HAS_ECKCDSA)
158	if(alg_name == "ECKCDSA") {	1,871✔
159	return std::make_unique<ECKCDSA_PublicKey>(alg_id, key_bits);	142✔
160	}
161	#endif
162
163	#if defined(BOTAN_HAS_ED25519)
164	if(alg_name == "Ed25519") {	1,038✔
165	return std::make_unique<Ed25519_PublicKey>(alg_id, key_bits);	1,524✔
166	}
167	#endif
168
169	#if defined(BOTAN_HAS_GOST_34_10_2001)
170	if(alg_name == "GOST-34.10" \|\| alg_name == "GOST-34.10-2012-256" \|\| alg_name == "GOST-34.10-2012-512") {	353✔
171	return std::make_unique<GOST_3410_PublicKey>(alg_id, key_bits);	130✔
172	}
173	#endif
174
175	#if defined(BOTAN_HAS_SM2)
176	if(alg_name == "SM2" \|\| alg_name == "SM2_Sig" \|\| alg_name == "SM2_Enc") {	226✔
177	return std::make_unique<SM2_PublicKey>(alg_id, key_bits);	26✔
178	}
179	#endif
180
181	#if defined(BOTAN_HAS_XMSS_RFC8391)
182	if(alg_name == "XMSS") {	197✔
183	return std::make_unique<XMSS_PublicKey>(key_bits);	76✔
184	}
185	#endif
186
187	#if defined(BOTAN_HAS_DILITHIUM) \|\| defined(BOTAN_HAS_DILITHIUM_AES)
188	if(alg_name == "Dilithium" \|\| alg_name.starts_with("Dilithium-")) {	162✔
189	return std::make_unique<Dilithium_PublicKey>(alg_id, key_bits);	166✔
190	}
191	#endif
192
193	throw Decoding_Error(fmt("Unknown or unavailable public key algorithm '{}'", alg_name));	152✔
194	}	15,455✔
195
196	std::unique_ptr<Private_Key> load_private_key(const AlgorithmIdentifier& alg_id,	3,356✔
197	[[maybe_unused]] std::span<const uint8_t> key_bits) {
198	const std::string oid_str = alg_id.oid().to_formatted_string();	3,356✔
199	const std::vector<std::string> alg_info = split_on(oid_str, '/');	3,356✔
200	std::string_view alg_name = alg_info[0];	3,356✔
201
202	#if defined(BOTAN_HAS_RSA)
203	if(alg_name == "RSA") {	3,589✔
204	return std::make_unique<RSA_PrivateKey>(alg_id, key_bits);	2,102✔
205	}
206	#endif
207
208	#if defined(BOTAN_HAS_CURVE_25519)
209	if(alg_name == "Curve25519") {	1,256✔
210	return std::make_unique<Curve25519_PrivateKey>(alg_id, key_bits);	54✔
211	}
212	#endif
213
214	#if defined(BOTAN_HAS_ECDSA)
215	if(alg_name == "ECDSA") {	1,226✔
216	return std::make_unique<ECDSA_PrivateKey>(alg_id, key_bits);	908✔
217	}
218	#endif
219
220	#if defined(BOTAN_HAS_ECDH)
221	if(alg_name == "ECDH") {	606✔
222	return std::make_unique<ECDH_PrivateKey>(alg_id, key_bits);	158✔
223	}
224	#endif
225
226	#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
227	if(alg_name == "DH") {	494✔
228	return std::make_unique<DH_PrivateKey>(alg_id, key_bits);	24✔
229	}
230	#endif
231
232	#if defined(BOTAN_HAS_DSA)
233	if(alg_name == "DSA") {	497✔
234	return std::make_unique<DSA_PrivateKey>(alg_id, key_bits);	278✔
235	}
236	#endif
237
238	#if defined(BOTAN_HAS_KYBER) \|\| defined(BOTAN_HAS_KYBER_90S)
239	if(alg_name == "Kyber" \|\| alg_name.starts_with("Kyber-")) {	264✔
240	return std::make_unique<Kyber_PrivateKey>(alg_id, key_bits);	36✔
241	}
242	#endif
243
244	#if defined(BOTAN_HAS_MCELIECE)
245	if(alg_name == "McEliece") {	228✔
246	return std::make_unique<McEliece_PrivateKey>(key_bits);	4✔
247	}
248	#endif
249
250	#if defined(BOTAN_HAS_ECGDSA)
251	if(alg_name == "ECGDSA") {	224✔
252	return std::make_unique<ECGDSA_PrivateKey>(alg_id, key_bits);	36✔
253	}
254	#endif
255
256	#if defined(BOTAN_HAS_ECKCDSA)
257	if(alg_name == "ECKCDSA") {	230✔
258	return std::make_unique<ECKCDSA_PrivateKey>(alg_id, key_bits);	36✔
259	}
260	#endif
261
262	#if defined(BOTAN_HAS_ED25519)
263	if(alg_name == "Ed25519") {	202✔
264	return std::make_unique<Ed25519_PrivateKey>(alg_id, key_bits);	17✔
265	}
266	#endif
267
268	#if defined(BOTAN_HAS_GOST_34_10_2001)
269	if(alg_name == "GOST-34.10" \|\| alg_name == "GOST-34.10-2012-256" \|\| alg_name == "GOST-34.10-2012-512") {	194✔
270	return std::make_unique<GOST_3410_PrivateKey>(alg_id, key_bits);	24✔
271	}
272	#endif
273
274	#if defined(BOTAN_HAS_SM2)
275	if(alg_name == "SM2" \|\| alg_name == "SM2_Sig" \|\| alg_name == "SM2_Enc") {	215✔
276	return std::make_unique<SM2_PrivateKey>(alg_id, key_bits);	40✔
277	}
278	#endif
279
280	#if defined(BOTAN_HAS_ELGAMAL)
281	if(alg_name == "ElGamal") {	146✔
282	return std::make_unique<ElGamal_PrivateKey>(alg_id, key_bits);	28✔
283	}
284	#endif
285
286	#if defined(BOTAN_HAS_XMSS_RFC8391)
287	if(alg_name == "XMSS") {	132✔
288	return std::make_unique<XMSS_PrivateKey>(key_bits);	16✔
289	}
290	#endif
291
292	#if defined(BOTAN_HAS_DILITHIUM) \|\| defined(BOTAN_HAS_DILITHIUM_AES)
293	if(alg_name == "Dilithium" \|\| alg_name.starts_with("Dilithium-")) {	128✔
294	return std::make_unique<Dilithium_PrivateKey>(alg_id, key_bits);	55✔
295	}
296	#endif
297
298	throw Decoding_Error(fmt("Unknown or unavailable public key algorithm '{}'", alg_name));	122✔
299	}	3,441✔
300
301	std::unique_ptr<Private_Key> create_ec_private_key(std::string_view alg_name,	126✔
302	const EC_Group& ec_group,
303	RandomNumberGenerator& rng) {
304	// Potentially unused if all EC algorthms are disabled
305	BOTAN_UNUSED(alg_name, ec_group, rng);	126✔
306
307	#if defined(BOTAN_HAS_ECDSA)
308	if(alg_name == "ECDSA") {	126✔
309	return std::make_unique<ECDSA_PrivateKey>(rng, ec_group);	84✔
310	}
311	#endif
312
313	#if defined(BOTAN_HAS_ECDH)
314	if(alg_name == "ECDH") {	84✔
315	return std::make_unique<ECDH_PrivateKey>(rng, ec_group);	56✔
316	}
317	#endif
318
319	#if defined(BOTAN_HAS_ECKCDSA)
320	if(alg_name == "ECKCDSA") {	64✔
321	return std::make_unique<ECKCDSA_PrivateKey>(rng, ec_group);	34✔
322	}
323	#endif
324
325	#if defined(BOTAN_HAS_GOST_34_10_2001)
326	if(alg_name == "GOST-34.10" \|\| alg_name == "GOST-34.10-2012-256" \|\| alg_name == "GOST-34.10-2012-512") {	50✔
327	return std::make_unique<GOST_3410_PrivateKey>(rng, ec_group);	22✔
328	}
329	#endif
330
331	#if defined(BOTAN_HAS_SM2)
332	if(alg_name == "SM2" \|\| alg_name == "SM2_Sig" \|\| alg_name == "SM2_Enc") {	40✔
333	return std::make_unique<SM2_PrivateKey>(rng, ec_group);	22✔
334	}
335	#endif
336
337	#if defined(BOTAN_HAS_ECGDSA)
338	if(alg_name == "ECGDSA") {	17✔
339	return std::make_unique<ECGDSA_PrivateKey>(rng, ec_group);	34✔
340	}
341	#endif
342
343	return nullptr;	×
344	}
345
346	std::unique_ptr<Private_Key> create_private_key(std::string_view alg_name,	252✔
347	RandomNumberGenerator& rng,
348	std::string_view params,
349	std::string_view provider) {
350	/*
351	* Default paramaters are chosen for work factor > 2**128 where possible
352	*/
353
354	#if defined(BOTAN_HAS_CURVE_25519)
355	if(alg_name == "Curve25519") {	263✔
356	return std::make_unique<Curve25519_PrivateKey>(rng);	6✔
357	}
358	#endif
359
360	#if defined(BOTAN_HAS_RSA)
361	if(alg_name == "RSA") {	265✔
362	const size_t modulus_bits = params.empty() ? 3072 : to_u32bit(params);	43✔
363	return std::make_unique<RSA_PrivateKey>(rng, modulus_bits);	43✔
364	}
365	#endif
366
367	#if defined(BOTAN_HAS_MCELIECE)
368	if(alg_name == "McEliece") {	206✔
369	const auto [n, t] = [&]() -> std::pair<size_t, size_t> {	2✔
370	if(params.empty()) {	2✔
371	return {2960, 57};	×
372	}
373
374	const auto mce_params = split_on(params, ',');	2✔
375
376	if(mce_params.size() != 2) {	2✔
377	throw Invalid_Argument(fmt("create_private_key: invalid McEliece parameters '{}'", params));	×
378	}
379
380	const size_t mce_n = to_u32bit(mce_params[0]);	2✔
381	const size_t mce_t = to_u32bit(mce_params[1]);	2✔
382	return {mce_n, mce_t};	2✔
383	}();	4✔
384
385	return std::make_unique<McEliece_PrivateKey>(rng, n, t);	2✔
386	}
387	#endif
388
389	#if defined(BOTAN_HAS_KYBER) \|\| defined(BOTAN_HAS_KYBER_90S)
390	if(alg_name == "Kyber") {	246✔
391	const auto mode = [&]() -> KyberMode {	16✔
392	if(params.empty()) {	8✔
393	return KyberMode::Kyber1024;	1✔
394	}
395	return KyberMode(params);	7✔
396	}();	8✔
397
398	return std::make_unique<Kyber_PrivateKey>(rng, mode);	8✔
399	}
400	#endif
401
402	#if defined(BOTAN_HAS_DILITHIUM) \|\| defined(BOTAN_HAS_DILITHIUM_AES)
403	if(alg_name == "Dilithium" \|\| alg_name == "Dilithium-") {	225✔
404	const auto mode = [&]() -> DilithiumMode {	18✔
405	if(params.empty()) {	18✔
406	return DilithiumMode::Dilithium6x5;
407	}
408	return DilithiumMode(params);	10✔
409	}();	18✔
410
411	return std::make_unique<Dilithium_PrivateKey>(rng, mode);	18✔
412	}
413	#endif
414
415	#if defined(BOTAN_HAS_SPHINCS_PLUS)
416	if(alg_name == "SPHINCS+" \|\| alg_name == "SphincsPlus-") {	178✔
417	auto sphincs_params = Sphincs_Parameters::create(params);	×
418
419	return std::make_unique<SphincsPlus_PrivateKey>(rng, sphincs_params);	×
420	}
421	#endif
422
423	#if defined(BOTAN_HAS_XMSS_RFC8391)
424	if(alg_name == "XMSS") {	206✔
425	const auto xmss_oid = [&]() -> XMSS_Parameters::xmss_algorithm_t {	8✔
426	if(params.empty()) {	4✔
427	return XMSS_Parameters::XMSS_SHA2_10_512;
428	}
429	return XMSS_Parameters(params).oid();	3✔
430	}();	4✔
431
432	return std::make_unique<XMSS_PrivateKey>(xmss_oid, rng);	4✔
433	}
434	#endif
435
436	#if defined(BOTAN_HAS_ED25519)
437	if(alg_name == "Ed25519") {	206✔
438	return std::make_unique<Ed25519_PrivateKey>(rng);	20✔
439	}
440	#endif
441
442	// ECC crypto
443	#if defined(BOTAN_HAS_ECC_PUBLIC_KEY_CRYPTO)
444
445	if(alg_name == "ECDSA" \|\| alg_name == "ECDH" \|\| alg_name == "ECKCDSA" \|\| alg_name == "ECGDSA" \|\| alg_name == "SM2" \|\|	299✔
446	alg_name == "SM2_Sig" \|\| alg_name == "SM2_Enc" \|\| alg_name == "GOST-34.10" \|\| alg_name == "GOST-34.10-2012-256" \|\|	91✔
447	alg_name == "GOST-34.10-2012-512") {	38✔
448	const std::string group_id = [&]() -> std::string {	252✔
449	if(!params.empty()) {	126✔
450	return std::string(params);	117✔
451	}
452	if(alg_name == "SM2" \|\| alg_name == "SM2_Enc" \|\| alg_name == "SM2_Sig") {	9✔
453	return "sm2p256v1";	×
454	}
455	if(alg_name == "GOST-34.10" \|\| alg_name == "GOST-34.10-2012-256") {	9✔
456	return "gost_256A";	×
457	}
458	if(alg_name == "GOST-34.10-2012-512") {	9✔
459	return "gost_512A";	×
460	}
461	if(alg_name == "ECGDSA") {	9✔
462	return "brainpool256r1";	×
463	}
464	return "secp256r1";	9✔
465	}();	126✔
466
467	const EC_Group ec_group(group_id);	126✔
468	return create_ec_private_key(alg_name, ec_group, rng);	126✔
469	}	126✔
470	#endif
471
472	// DL crypto
473	#if defined(BOTAN_HAS_DL_GROUP)
474	if(alg_name == "DH" \|\| alg_name == "DSA" \|\| alg_name == "ElGamal") {	76✔
475	const std::string group_id = [&]() -> std::string {	76✔
476	if(!params.empty()) {	38✔
477	return std::string(params);	28✔
478	}
479	if(alg_name == "DSA") {	10✔
480	return "dsa/botan/2048";	8✔
481	}
482	return "modp/ietf/2048";	2✔
483	}();	38✔
484
485	DL_Group modp_group(group_id);	38✔
486
487	#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
488	if(alg_name == "DH") {	38✔
489	return std::make_unique<DH_PrivateKey>(rng, modp_group);	36✔
490	}
491	#endif
492
493	#if defined(BOTAN_HAS_DSA)
494	if(alg_name == "DSA") {	20✔
495	return std::make_unique<DSA_PrivateKey>(rng, modp_group);	26✔
496	}
497	#endif
498
499	#if defined(BOTAN_HAS_ELGAMAL)
500	if(alg_name == "ElGamal") {	7✔
501	return std::make_unique<ElGamal_PrivateKey>(rng, modp_group);	14✔
502	}
503	#endif
504	}	38✔
505	#endif
506
507	BOTAN_UNUSED(alg_name, rng, params, provider);	×
508
509	return std::unique_ptr<Private_Key>();	252✔
510	}
511
512	std::vector<std::string> probe_provider_private_key(std::string_view alg_name,	43✔
513	const std::vector<std::string>& possible) {
514	std::vector<std::string> providers;	43✔
515
516	for(auto&& prov : possible) {	215✔
517	if(prov == "base") {	172✔
518	providers.push_back(prov);	43✔
519	}
520	}
521
522	BOTAN_UNUSED(alg_name);	43✔
523
524	return providers;	43✔
525	}	×
526	} // namespace Botan

randombit / botan / 5129806836

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