23116397659

Committed 15 Mar 2026 06:19PM UTC coverage: 89.753% (+0.01%) from 89.74%

Build # 23116397659

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push

github

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web-flow

Commit Message

Merge pull request #5450 from randombit/jack/sm2-mac-length-check

In SM2 verify the C3 field is of the required length

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98.21

/src/tests/test_sm2.cpp

/*
* (C) 2017 Ribose Inc
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "tests.h"

#if defined(BOTAN_HAS_SM2)
   #include "test_pubkey.h"
   #include "test_rng.h"
   #include <botan/ec_group.h>
   #include <botan/pubkey.h>
   #include <botan/sm2.h>
#endif

namespace Botan_Tests {

#if defined(BOTAN_HAS_SM2)

namespace {

std::unique_ptr<Botan::Private_Key> load_sm2_private_key(const VarMap& vars) {
   // group params
   const BigInt p = vars.get_req_bn("P");
   const BigInt a = vars.get_req_bn("A");
   const BigInt b = vars.get_req_bn("B");
   const BigInt xG = vars.get_req_bn("xG");
   const BigInt yG = vars.get_req_bn("yG");
   const BigInt order = vars.get_req_bn("Order");
   const BigInt x = vars.get_req_bn("x");
   const Botan::OID oid = Botan::OID(vars.get_req_str("Oid"));

   const Botan::EC_Group domain(oid, p, a, b, xG, yG, order);

   Botan::Null_RNG null_rng;
   return std::make_unique<Botan::SM2_PrivateKey>(null_rng, domain, x);
}

class SM2_Signature_KAT_Tests final : public PK_Signature_Generation_Test {
   public:
      SM2_Signature_KAT_Tests() :
            PK_Signature_Generation_Test(
               "SM2", "pubkey/sm2_sig.vec", "P,A,B,xG,yG,Order,Oid,Ident,Msg,x,Nonce,Signature", "Hash") {}

      bool skip_this_test(const std::string& /*header*/, const VarMap& /*vars*/) override {
         return !Botan::EC_Group::supports_application_specific_group();
      }

      bool clear_between_callbacks() const override { return false; }

      std::string default_padding(const VarMap& vars) const override {
         return vars.get_req_str("Ident") + "," + vars.get_opt_str("Hash", "SM3");
      }

      std::unique_ptr<Botan::RandomNumberGenerator> test_rng(const std::vector<uint8_t>& nonce) const override {
         return std::make_unique<Fixed_Output_Position_RNG>(nonce, 1, this->rng());
      }

      std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override {
         return load_sm2_private_key(vars);
      }
};

BOTAN_REGISTER_TEST("pubkey", "sm2_sig", SM2_Signature_KAT_Tests);

class SM2_Encryption_KAT_Tests final : public PK_Encryption_Decryption_Test {
   public:
      SM2_Encryption_KAT_Tests() :
            PK_Encryption_Decryption_Test(
               "SM2", "pubkey/sm2_enc.vec", "P,A,B,xG,yG,Order,Oid,Msg,x,Nonce,Ciphertext", "Hash") {}

      bool skip_this_test(const std::string& /*header*/, const VarMap& /*vars*/) override {
         return !Botan::EC_Group::supports_application_specific_group();
      }

      std::string default_padding(const VarMap& vars) const override { return vars.get_opt_str("Hash", "SM3"); }

      bool clear_between_callbacks() const override { return false; }

      std::unique_ptr<Botan::RandomNumberGenerator> test_rng(const std::vector<uint8_t>& nonce) const override {
         return std::make_unique<Fixed_Output_Position_RNG>(nonce, 1, this->rng());
      }

      std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override {
         return load_sm2_private_key(vars);
      }
};

}  // namespace

BOTAN_REGISTER_TEST("pubkey", "sm2_enc", SM2_Encryption_KAT_Tests);

class SM2_Keygen_Tests final : public PK_Key_Generation_Test {
   public:
      std::vector<std::string> keygen_params() const override { return {"secp256r1", "sm2p256v1"}; }

      std::string algo_name() const override { return "SM2"; }

      std::unique_ptr<Botan::Public_Key> public_key_from_raw(std::string_view keygen_params,
                                                             std::string_view /* provider */,
                                                             std::span<const uint8_t> raw_pk) const override {
         const auto group = Botan::EC_Group(keygen_params);
         const auto public_key = Botan::EC_AffinePoint(group, raw_pk);
         return std::make_unique<Botan::SM2_PublicKey>(group, public_key);
      }
};

BOTAN_REGISTER_TEST("pubkey", "sm2_keygen", SM2_Keygen_Tests);

namespace {

class SM2_Invalid_Ciphertexts : public Text_Based_Test {
   public:
      SM2_Invalid_Ciphertexts() : Text_Based_Test("pubkey/sm2_invalid.vec", "Key,Ctext") {}

      bool clear_between_callbacks() const override { return false; }

      Test::Result run_one_test(const std::string& /*header*/, const VarMap& vars) override {
         Test::Result result("SM2 invalid ciphertext");

         const auto key = vars.get_req_bin("Key");
         const auto ctext = vars.get_req_bin("Ctext");

         const auto group = Botan::EC_Group::from_name("sm2p256v1");
         const auto pkey = Botan::SM2_PrivateKey(group, Botan::EC_Scalar::deserialize(group, key).value());

         Botan::PK_Decryptor_EME dec(pkey, rng(), "SM3");

         result.test_throws<Botan::Exception>("Decryption should fail for invalid ciphertext",
                                              [&] { dec.decrypt(ctext); });

         return result;
      }
};

BOTAN_REGISTER_TEST("pubkey", "sm2_invalid_ctext", SM2_Invalid_Ciphertexts);

}  // namespace

#endif

}  // namespace Botan_Tests

1	/*
2	* (C) 2017 Ribose Inc
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include "tests.h"
8
9	#if defined(BOTAN_HAS_SM2)
10	#include "test_pubkey.h"
11	#include "test_rng.h"
12	#include <botan/ec_group.h>
13	#include <botan/pubkey.h>
14	#include <botan/sm2.h>
15	#endif
16
17	namespace Botan_Tests {
18
19	#if defined(BOTAN_HAS_SM2)
20
21	namespace {
22
23	std::unique_ptr<Botan::Private_Key> load_sm2_private_key(const VarMap& vars) {	12✔
24	// group params
25	const BigInt p = vars.get_req_bn("P");	12✔
26	const BigInt a = vars.get_req_bn("A");	12✔
27	const BigInt b = vars.get_req_bn("B");	12✔
28	const BigInt xG = vars.get_req_bn("xG");	12✔
29	const BigInt yG = vars.get_req_bn("yG");	12✔
30	const BigInt order = vars.get_req_bn("Order");	12✔
31	const BigInt x = vars.get_req_bn("x");	12✔
32	const Botan::OID oid = Botan::OID(vars.get_req_str("Oid"));	12✔
33
34	const Botan::EC_Group domain(oid, p, a, b, xG, yG, order);	12✔
35
36	Botan::Null_RNG null_rng;	12✔
37	return std::make_unique<Botan::SM2_PrivateKey>(null_rng, domain, x);	36✔
38	}	12✔
39
40	class SM2_Signature_KAT_Tests final : public PK_Signature_Generation_Test {
41	public:
42	SM2_Signature_KAT_Tests() :	1✔
43	PK_Signature_Generation_Test(
44	"SM2", "pubkey/sm2_sig.vec", "P,A,B,xG,yG,Order,Oid,Ident,Msg,x,Nonce,Signature", "Hash") {}	2✔
45
46	bool skip_this_test(const std::string& /header/, const VarMap& /vars/) override {	7✔
47	return !Botan::EC_Group::supports_application_specific_group();	7✔
48	}
49
50	bool clear_between_callbacks() const override { return false; }	7✔
51
52	std::string default_padding(const VarMap& vars) const override {	7✔
53	return vars.get_req_str("Ident") + "," + vars.get_opt_str("Hash", "SM3");	21✔
54	}
55
56	std::unique_ptr<Botan::RandomNumberGenerator> test_rng(const std::vector<uint8_t>& nonce) const override {	7✔
57	return std::make_unique<Fixed_Output_Position_RNG>(nonce, 1, this->rng());	7✔
58	}
59
60	std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override {	7✔
61	return load_sm2_private_key(vars);	7✔
62	}
63	};
64
65	BOTAN_REGISTER_TEST("pubkey", "sm2_sig", SM2_Signature_KAT_Tests);
66
67	class SM2_Encryption_KAT_Tests final : public PK_Encryption_Decryption_Test {
68	public:
69	SM2_Encryption_KAT_Tests() :	1✔
70	PK_Encryption_Decryption_Test(
71	"SM2", "pubkey/sm2_enc.vec", "P,A,B,xG,yG,Order,Oid,Msg,x,Nonce,Ciphertext", "Hash") {}	2✔
72
73	bool skip_this_test(const std::string& /header/, const VarMap& /vars/) override {	5✔
74	return !Botan::EC_Group::supports_application_specific_group();	5✔
75	}
76
77	std::string default_padding(const VarMap& vars) const override { return vars.get_opt_str("Hash", "SM3"); }	5✔
78
79	bool clear_between_callbacks() const override { return false; }	5✔
80
81	std::unique_ptr<Botan::RandomNumberGenerator> test_rng(const std::vector<uint8_t>& nonce) const override {	5✔
82	return std::make_unique<Fixed_Output_Position_RNG>(nonce, 1, this->rng());	5✔
83	}
84
85	std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override {	5✔
86	return load_sm2_private_key(vars);	5✔
87	}
88	};
89
90	} // namespace
91
92	BOTAN_REGISTER_TEST("pubkey", "sm2_enc", SM2_Encryption_KAT_Tests);
93
94	class SM2_Keygen_Tests final : public PK_Key_Generation_Test {	1✔
95	public:
96	std::vector<std::string> keygen_params() const override { return {"secp256r1", "sm2p256v1"}; }	1✔
97
98	std::string algo_name() const override { return "SM2"; }	2✔
99
100	std::unique_ptr<Botan::Public_Key> public_key_from_raw(std::string_view keygen_params,	2✔
101	std::string_view /* provider */,
102	std::span<const uint8_t> raw_pk) const override {
103	const auto group = Botan::EC_Group(keygen_params);	2✔
104	const auto public_key = Botan::EC_AffinePoint(group, raw_pk);	2✔
105	return std::make_unique<Botan::SM2_PublicKey>(group, public_key);	6✔
106	}	2✔
107	};
108
109	BOTAN_REGISTER_TEST("pubkey", "sm2_keygen", SM2_Keygen_Tests);
110
111	namespace {
112
113	class SM2_Invalid_Ciphertexts : public Text_Based_Test {	×
114	public:
115	SM2_Invalid_Ciphertexts() : Text_Based_Test("pubkey/sm2_invalid.vec", "Key,Ctext") {}	2✔
116
117	bool clear_between_callbacks() const override { return false; }	19✔
118
119	Test::Result run_one_test(const std::string& /header/, const VarMap& vars) override {	19✔
120	Test::Result result("SM2 invalid ciphertext");	19✔
121
122	const auto key = vars.get_req_bin("Key");	19✔
123	const auto ctext = vars.get_req_bin("Ctext");	19✔
124
125	const auto group = Botan::EC_Group::from_name("sm2p256v1");	19✔
126	const auto pkey = Botan::SM2_PrivateKey(group, Botan::EC_Scalar::deserialize(group, key).value());	38✔
127
128	Botan::PK_Decryptor_EME dec(pkey, rng(), "SM3");	19✔
129
130	result.test_throws<Botan::Exception>("Decryption should fail for invalid ciphertext",	19✔
131	[&] { dec.decrypt(ctext); });	38✔
132
133	return result;	19✔
134	}	19✔
135	};
136
137	BOTAN_REGISTER_TEST("pubkey", "sm2_invalid_ctext", SM2_Invalid_Ciphertexts);
138
139	} // namespace
140
141	#endif
142
143	} // namespace Botan_Tests

randombit / botan / 23116397659

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