5134090420

Committed 31 May 2023 03:12PM UTC coverage: 91.721% (-0.3%) from 91.995%

Build # 5134090420

Build Type

push

github

Committed by

randombit

Commit Message

Merge GH #3565 Disable noisy/pointless pylint warnings

Run Details

76048 of 82912 relevant lines covered (91.72%)

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89.74

/src/cli/pbkdf.cpp

/*
* (C) 2018 Ribose Inc
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "cli.h"

#if defined(BOTAN_HAS_PASSWORD_HASHING)
   #include <botan/pwdhash.h>
   #include <botan/internal/os_utils.h>
#endif

namespace Botan_CLI {

#if defined(BOTAN_HAS_PASSWORD_HASHING)

class PBKDF_Tune final : public Command {
   public:
      PBKDF_Tune() : Command("pbkdf_tune --algo=Scrypt --max-mem=256 --tune-msec=10 --output-len=32 --check *times") {}

      std::string group() const override { return "passhash"; }

      std::string description() const override { return "Tune a PBKDF algo"; }

      void go() override {
         const size_t output_len = get_arg_sz("output-len");
         const size_t max_mem = get_arg_sz("max-mem");
         const auto tune_msec = std::chrono::milliseconds(get_arg_sz("tune-msec"));
         const std::string algo = get_arg("algo");
         const bool check_time = flag_set("check");

         auto pwdhash_fam = Botan::PasswordHashFamily::create(algo);

         if(!pwdhash_fam) {
            throw CLI_Error_Unsupported("Password hashing", algo);
         }

         for(const std::string& time : get_arg_list("times")) {
            std::unique_ptr<Botan::PasswordHash> pwhash;

            if(time == "default") {
               pwhash = pwdhash_fam->default_params();
            } else {
               size_t msec = 0;
               try {
                  msec = std::stoul(time);
               } catch(std::exception&) {
                  throw CLI_Usage_Error("Unknown time value '" + time + "' for pbkdf_tune");
               }

               pwhash = pwdhash_fam->tune(output_len, std::chrono::milliseconds(msec), max_mem, tune_msec);
            }

            output() << "For " << time << " ms selected " << pwhash->to_string();

            if(pwhash->total_memory_usage() > 0) {
               output() << " using " << pwhash->total_memory_usage() / (1024 * 1024) << " MiB";
            }

            if(check_time) {
               std::vector<uint8_t> outbuf(output_len);
               const uint8_t salt[8] = {0};

               const uint64_t start_ns = Botan::OS::get_system_timestamp_ns();
               pwhash->derive_key(outbuf.data(), outbuf.size(), "test", 4, salt, sizeof(salt));
               const uint64_t end_ns = Botan::OS::get_system_timestamp_ns();
               const uint64_t dur_ns = end_ns - start_ns;

               output() << " took " << (dur_ns / 1000000.0) << " msec to compute";
            }

            output() << "\n";
         }
      }
};

BOTAN_REGISTER_COMMAND("pbkdf_tune", PBKDF_Tune);

#endif

}  // namespace Botan_CLI

1	/*
2	* (C) 2018 Ribose Inc
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include "cli.h"
8
9	#if defined(BOTAN_HAS_PASSWORD_HASHING)
10	#include <botan/pwdhash.h>
11	#include <botan/internal/os_utils.h>
12	#endif
13
14	namespace Botan_CLI {
15
16	#if defined(BOTAN_HAS_PASSWORD_HASHING)
17
18	class PBKDF_Tune final : public Command {
19	public:
20	PBKDF_Tune() : Command("pbkdf_tune --algo=Scrypt --max-mem=256 --tune-msec=10 --output-len=32 --check *times") {}	8✔
21
22	std::string group() const override { return "passhash"; }	1✔
23
24	std::string description() const override { return "Tune a PBKDF algo"; }	1✔
25
26	void go() override {	3✔
27	const size_t output_len = get_arg_sz("output-len");	3✔
28	const size_t max_mem = get_arg_sz("max-mem");	3✔
29	const auto tune_msec = std::chrono::milliseconds(get_arg_sz("tune-msec"));	3✔
30	const std::string algo = get_arg("algo");	3✔
31	const bool check_time = flag_set("check");	3✔
32
33	auto pwdhash_fam = Botan::PasswordHashFamily::create(algo);	3✔
34
35	if(!pwdhash_fam) {	3✔
36	throw CLI_Error_Unsupported("Password hashing", algo);	×
37	}
38
39	for(const std::string& time : get_arg_list("times")) {	15✔
40	std::unique_ptr<Botan::PasswordHash> pwhash;	12✔
41
42	if(time == "default") {	12✔
43	pwhash = pwdhash_fam->default_params();	3✔
44	} else {
45	size_t msec = 0;	9✔
46	try {	9✔
47	msec = std::stoul(time);	9✔
48	} catch(std::exception&) {	×
49	throw CLI_Usage_Error("Unknown time value '" + time + "' for pbkdf_tune");	×
50	}	×
51
52	pwhash = pwdhash_fam->tune(output_len, std::chrono::milliseconds(msec), max_mem, tune_msec);	9✔
53	}
54
55	output() << "For " << time << " ms selected " << pwhash->to_string();	24✔
56
57	if(pwhash->total_memory_usage() > 0) {	12✔
58	output() << " using " << pwhash->total_memory_usage() / (1024 * 1024) << " MiB";	8✔
59	}
60
61	if(check_time) {	12✔
62	std::vector<uint8_t> outbuf(output_len);	12✔
63	const uint8_t salt[8] = {0};	12✔
64
65	const uint64_t start_ns = Botan::OS::get_system_timestamp_ns();	12✔
66	pwhash->derive_key(outbuf.data(), outbuf.size(), "test", 4, salt, sizeof(salt));	12✔
67	const uint64_t end_ns = Botan::OS::get_system_timestamp_ns();	12✔
68	const uint64_t dur_ns = end_ns - start_ns;	12✔
69
70	output() << " took " << (dur_ns / 1000000.0) << " msec to compute";	12✔
71	}	12✔
72
73	output() << "\n";	12✔
74	}	15✔
75	}	3✔
76	};
77
78	BOTAN_REGISTER_COMMAND("pbkdf_tune", PBKDF_Tune);	4✔
79
80	#endif
81
82	} // namespace Botan_CLI

randombit / botan / 5134090420

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