12991133942

Committed 27 Jan 2025 02:24PM UTC coverage: 91.246% (-0.008%) from 91.254%

Build # 12991133942

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push

github

Committed by

web-flow

Commit Message

Merge pull request #4592 from randombit/jack/split-key-prework

Some initial refactoring for splitting public and private keys

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89.58

/src/cli/perf_pk_enc.cpp

/*
* (C) 2024 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "perf.h"

#if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)
   #include <botan/pk_algs.h>
   #include <botan/pubkey.h>
#endif

namespace Botan_CLI {

#if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)

class PerfTest_PKEnc : public PerfTest {
   public:
      virtual std::string algo() const = 0;

      virtual std::vector<std::string> keygen_params(const PerfConfig& config) const {
         BOTAN_UNUSED(config);
         return {""};
      }

      void go(const PerfConfig& config) override {
         const std::string alg = this->algo();

         const auto params = this->keygen_params(config);

         for(const auto& param : params) {
            const std::string nm = this->format_name(alg, param);
            bench_pk_ka(config, nm, alg, param);
         }
      }

      void bench_pk_ka(const PerfConfig& config,
                       const std::string& nm,
                       const std::string& algo,
                       const std::string& params,
                       const std::string& provider = "") {
         auto& rng = config.rng();
         const auto msec = config.runtime();

         std::vector<uint8_t> plaintext, ciphertext;

         auto keygen_timer = config.make_timer(nm, 1, "keygen");

         auto sk = keygen_timer->run([&] { return Botan::create_private_key(algo, rng, params); });
         while(keygen_timer->under(msec)) {
            sk = keygen_timer->run([&] { return Botan::create_private_key(algo, rng, params); });
         }

         auto pk = sk->public_key();

         // TODO this would have to be generalized for anything but RSA/ElGamal
         const std::string padding = "PKCS1v15";

         Botan::PK_Encryptor_EME enc(*pk, rng, padding, provider);
         Botan::PK_Decryptor_EME dec(*sk, rng, padding, provider);

         auto enc_timer = config.make_timer(nm + " " + padding, 1, "encrypt");
         auto dec_timer = config.make_timer(nm + " " + padding, 1, "decrypt");

         while(enc_timer->under(msec) || dec_timer->under(msec)) {
            // Generate a new random ciphertext to decrypt
            if(ciphertext.empty() || enc_timer->under(msec)) {
               rng.random_vec(plaintext, enc.maximum_input_size());
               ciphertext = enc_timer->run([&]() { return enc.encrypt(plaintext, rng); });
            }

            if(dec_timer->under(msec)) {
               const auto dec_pt = dec_timer->run([&]() { return dec.decrypt(ciphertext); });

               // sanity check
               if(!(Botan::unlock(dec_pt) == plaintext)) {
                  config.error_output() << "Bad roundtrip in PK encrypt/decrypt bench\n";
               }
            }
         }

         config.record_result(*keygen_timer);
         config.record_result(*enc_timer);
         config.record_result(*dec_timer);
      }
};

#endif

#if defined(BOTAN_HAS_ELGAMAL)

class PerfTest_ElGamal final : public PerfTest_PKEnc {
   public:
      std::string algo() const override { return "ElGamal"; }

      std::vector<std::string> keygen_params(const PerfConfig& config) const override {
         BOTAN_UNUSED(config);
         return {
            "modp/ietf/1024",
            "modp/ietf/2048",
            "modp/ietf/3072",
            "modp/ietf/4096",
         };
      }

      std::string format_name(const std::string& alg, const std::string& param) const override {
         return Botan::fmt("{}-{}", alg, param.substr(param.find_last_of('/') + 1));
      }
};

BOTAN_REGISTER_PERF_TEST("ElGamal", PerfTest_ElGamal);

#endif

}  // namespace Botan_CLI

1	/*
2	* (C) 2024 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include "perf.h"
8
9	#if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)
10	#include <botan/pk_algs.h>
11	#include <botan/pubkey.h>
12	#endif
13
14	namespace Botan_CLI {
15
16	#if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)
17
18	class PerfTest_PKEnc : public PerfTest {	1✔
19	public:
20	virtual std::string algo() const = 0;
21
22	virtual std::vector<std::string> keygen_params(const PerfConfig& config) const {	×
23	BOTAN_UNUSED(config);	×
24	return {""};	×
25	}
26
27	void go(const PerfConfig& config) override {	1✔
28	const std::string alg = this->algo();	1✔
29
30	const auto params = this->keygen_params(config);	1✔
31
32	for(const auto& param : params) {	5✔
33	const std::string nm = this->format_name(alg, param);	4✔
34	bench_pk_ka(config, nm, alg, param);	8✔
35	}	4✔
36	}	1✔
37
38	void bench_pk_ka(const PerfConfig& config,	4✔
39	const std::string& nm,
40	const std::string& algo,
41	const std::string& params,
42	const std::string& provider = "") {
43	auto& rng = config.rng();	4✔
44	const auto msec = config.runtime();	4✔
45
46	std::vector<uint8_t> plaintext, ciphertext;	4✔
47
48	auto keygen_timer = config.make_timer(nm, 1, "keygen");	8✔
49
50	auto sk = keygen_timer->run([&] { return Botan::create_private_key(algo, rng, params); });	8✔
51	while(keygen_timer->under(msec)) {	4✔
52	sk = keygen_timer->run([&] { return Botan::create_private_key(algo, rng, params); });	×
53	}
54
55	auto pk = sk->public_key();	4✔
56
57	// TODO this would have to be generalized for anything but RSA/ElGamal
58	const std::string padding = "PKCS1v15";	4✔
59
60	Botan::PK_Encryptor_EME enc(*pk, rng, padding, provider);	4✔
61	Botan::PK_Decryptor_EME dec(*sk, rng, padding, provider);	4✔
62
63	auto enc_timer = config.make_timer(nm + " " + padding, 1, "encrypt");	8✔
64	auto dec_timer = config.make_timer(nm + " " + padding, 1, "decrypt");	8✔
65
66	while(enc_timer->under(msec) \|\| dec_timer->under(msec)) {	12✔
67	// Generate a new random ciphertext to decrypt
68	if(ciphertext.empty() \|\| enc_timer->under(msec)) {	4✔
69	rng.random_vec(plaintext, enc.maximum_input_size());	4✔
70	ciphertext = enc_timer->run([&]() { return enc.encrypt(plaintext, rng); });	16✔
71	}
72
73	if(dec_timer->under(msec)) {	4✔
74	const auto dec_pt = dec_timer->run([&]() { return dec.decrypt(ciphertext); });	12✔
75
76	// sanity check
77	if(!(Botan::unlock(dec_pt) == plaintext)) {	8✔
78	config.error_output() << "Bad roundtrip in PK encrypt/decrypt bench\n";	×
79	}
80	}	4✔
81	}
82
83	config.record_result(*keygen_timer);	4✔
84	config.record_result(*enc_timer);	4✔
85	config.record_result(*dec_timer);	8✔
86	}	20✔
87	};
88
89	#endif
90
91	#if defined(BOTAN_HAS_ELGAMAL)
92
93	class PerfTest_ElGamal final : public PerfTest_PKEnc {	1✔
94	public:
95	std::string algo() const override { return "ElGamal"; }	1✔
96
97	std::vector<std::string> keygen_params(const PerfConfig& config) const override {	1✔
98	BOTAN_UNUSED(config);	1✔
99	return {	1✔
100	"modp/ietf/1024",
101	"modp/ietf/2048",
102	"modp/ietf/3072",
103	"modp/ietf/4096",
104	};	1✔
105	}
106
107	std::string format_name(const std::string& alg, const std::string& param) const override {	4✔
108	return Botan::fmt("{}-{}", alg, param.substr(param.find_last_of('/') + 1));	8✔
109	}
110	};
111
112	BOTAN_REGISTER_PERF_TEST("ElGamal", PerfTest_ElGamal);	1✔
113
114	#endif
115
116	} // namespace Botan_CLI

randombit / botan / 12991133942

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