19012754211

Committed 02 Nov 2025 01:10PM UTC coverage: 90.677% (+0.006%) from 90.671%

Build # 19012754211

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push

github

Committed by

web-flow

Commit Message

Merge pull request #5137 from randombit/jack/clang-tidy-includes

Remove various unused includes flagged by clang-tidy misc-include-cleaner

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95.31

/src/lib/passhash/argon2fmt/argon2fmt.cpp

/**
* (C) 2019 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/argon2fmt.h>

#include <botan/base64.h>
#include <botan/pwdhash.h>
#include <botan/rng.h>
#include <botan/internal/ct_utils.h>
#include <botan/internal/fmt.h>
#include <botan/internal/parsing.h>

namespace Botan {

namespace {

std::string strip_padding(std::string s) {
   while(!s.empty() && s[s.size() - 1] == '=') {
      s.resize(s.size() - 1);
   }
   return s;
}

std::string argon2_family(uint8_t y) {
   if(y == 0) {
      return "Argon2d";
   } else if(y == 1) {
      return "Argon2i";
   } else if(y == 2) {
      return "Argon2id";
   } else {
      throw Not_Implemented("Unknown Argon2 family type");
   }
}

}  // namespace

std::string argon2_generate_pwhash(const char* password,
                                   size_t password_len,
                                   RandomNumberGenerator& rng,
                                   size_t p,
                                   size_t M,
                                   size_t t,
                                   uint8_t y,
                                   size_t salt_len,
                                   size_t output_len) {
   std::vector<uint8_t> salt(salt_len);
   rng.randomize(salt.data(), salt.size());

   std::vector<uint8_t> output(output_len);

   auto pwdhash_fam = PasswordHashFamily::create_or_throw(argon2_family(y));
   auto pwdhash = pwdhash_fam->from_params(M, t, p);

   pwdhash->derive_key(output.data(), output.size(), password, password_len, salt.data(), salt.size());

   const auto enc_salt = strip_padding(base64_encode(salt));
   const auto enc_output = strip_padding(base64_encode(output));

   const std::string argon2_mode = [&]() -> std::string {
      if(y == 0) {
         return "d";
      } else if(y == 1) {
         return "i";
      } else {
         return "id";
      }
   }();

   return fmt("$argon2{}$v=19$m={},t={},p={}${}${}", argon2_mode, M, t, p, enc_salt, enc_output);
}

bool argon2_check_pwhash(const char* password, size_t password_len, std::string_view input_hash) {
   const std::vector<std::string> parts = split_on(input_hash, '$');

   if(parts.size() != 5) {
      return false;
   }

   uint8_t family = 0;

   if(parts[0] == "argon2d") {
      family = 0;
   } else if(parts[0] == "argon2i") {
      family = 1;
   } else if(parts[0] == "argon2id") {
      family = 2;
   } else {
      return false;
   }

   if(parts[1] != "v=19") {
      return false;
   }

   const std::vector<std::string> params = split_on(parts[2], ',');

   if(params.size() != 3) {
      return false;
   }

   size_t M = 0;
   size_t t = 0;
   size_t p = 0;

   for(const auto& param_str : params) {
      const std::vector<std::string> param = split_on(param_str, '=');

      if(param.size() != 2) {
         return false;
      }

      std::string_view key = param[0];
      const size_t val = to_u32bit(param[1]);
      if(key == "m") {
         M = val;
      } else if(key == "t") {
         t = val;
      } else if(key == "p") {
         p = val;
      } else {
         return false;
      }
   }

   std::vector<uint8_t> salt(base64_decode_max_output(parts[3].size()));
   salt.resize(base64_decode(salt.data(), parts[3], false));

   std::vector<uint8_t> hash(base64_decode_max_output(parts[4].size()));
   hash.resize(base64_decode(hash.data(), parts[4], false));

   if(hash.size() < 4) {
      return false;
   }

   std::vector<uint8_t> generated(hash.size());
   auto pwdhash_fam = PasswordHashFamily::create_or_throw(argon2_family(family));
   auto pwdhash = pwdhash_fam->from_params(M, t, p);

   pwdhash->derive_key(generated.data(), generated.size(), password, password_len, salt.data(), salt.size());

   return CT::is_equal(generated.data(), hash.data(), generated.size()).as_bool();
}

}  // namespace Botan

1	/**
2	* (C) 2019 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include <botan/argon2fmt.h>
8
9	#include <botan/base64.h>
10	#include <botan/pwdhash.h>
11	#include <botan/rng.h>
12	#include <botan/internal/ct_utils.h>
13	#include <botan/internal/fmt.h>
14	#include <botan/internal/parsing.h>
15
16	namespace Botan {
17
18	namespace {
19
20	std::string strip_padding(std::string s) {	12✔
21	while(!s.empty() && s[s.size() - 1] == '=') {	24✔
22	s.resize(s.size() - 1);	12✔
23	}
24	return s;	12✔
25	}
26
27	std::string argon2_family(uint8_t y) {	14✔
28	if(y == 0) {	14✔
29	return "Argon2d";	3✔
30	} else if(y == 1) {	11✔
31	return "Argon2i";	3✔
32	} else if(y == 2) {	8✔
33	return "Argon2id";	8✔
34	} else {
35	throw Not_Implemented("Unknown Argon2 family type");	×
36	}
37	}
38
39	} // namespace
40
41	std::string argon2_generate_pwhash(const char* password,	6✔
42	size_t password_len,
43	RandomNumberGenerator& rng,
44	size_t p,
45	size_t M,
46	size_t t,
47	uint8_t y,
48	size_t salt_len,
49	size_t output_len) {
50	std::vector<uint8_t> salt(salt_len);	6✔
51	rng.randomize(salt.data(), salt.size());	6✔
52
53	std::vector<uint8_t> output(output_len);	6✔
54
55	auto pwdhash_fam = PasswordHashFamily::create_or_throw(argon2_family(y));	6✔
56	auto pwdhash = pwdhash_fam->from_params(M, t, p);	6✔
57
58	pwdhash->derive_key(output.data(), output.size(), password, password_len, salt.data(), salt.size());	6✔
59
60	const auto enc_salt = strip_padding(base64_encode(salt));	6✔
61	const auto enc_output = strip_padding(base64_encode(output));	6✔
62
63	const std::string argon2_mode = [&]() -> std::string {	×
64	if(y == 0) {	6✔
65	return "d";	1✔
66	} else if(y == 1) {	5✔
67	return "i";	1✔
68	} else {
69	return "id";	4✔
70	}
71	}();	6✔
72
73	return fmt("$argon2{}$v=19$m={},t={},p={}${}${}", argon2_mode, M, t, p, enc_salt, enc_output);	6✔
74	}	30✔
75
76	bool argon2_check_pwhash(const char* password, size_t password_len, std::string_view input_hash) {	8✔
77	const std::vector<std::string> parts = split_on(input_hash, '$');	8✔
78
79	if(parts.size() != 5) {	8✔
80	return false;
81	}
82
83	uint8_t family = 0;	8✔
84
85	if(parts[0] == "argon2d") {	8✔
86	family = 0;
87	} else if(parts[0] == "argon2i") {	6✔
88	family = 1;
89	} else if(parts[0] == "argon2id") {	4✔
90	family = 2;
91	} else {
92	return false;
93	}
94
95	if(parts[1] != "v=19") {	8✔
96	return false;
97	}
98
99	const std::vector<std::string> params = split_on(parts[2], ',');	8✔
100
101	if(params.size() != 3) {	8✔
102	return false;
103	}
104
105	size_t M = 0;
106	size_t t = 0;
107	size_t p = 0;
108
109	for(const auto& param_str : params) {	32✔
110	const std::vector<std::string> param = split_on(param_str, '=');	24✔
111
112	if(param.size() != 2) {	24✔
113	return false;
114	}
115
116	std::string_view key = param[0];	24✔
117	const size_t val = to_u32bit(param[1]);	24✔
118	if(key == "m") {	24✔
119	M = val;	8✔
120	} else if(key == "t") {	16✔
121	t = val;	8✔
122	} else if(key == "p") {	8✔
123	p = val;	8✔
124	} else {
125	return false;	×
126	}
127	}	24✔
128
129	std::vector<uint8_t> salt(base64_decode_max_output(parts[3].size()));	8✔
130	salt.resize(base64_decode(salt.data(), parts[3], false));	8✔
131
132	std::vector<uint8_t> hash(base64_decode_max_output(parts[4].size()));	8✔
133	hash.resize(base64_decode(hash.data(), parts[4], false));	8✔
134
135	if(hash.size() < 4) {	8✔
136	return false;
137	}
138
139	std::vector<uint8_t> generated(hash.size());	8✔
140	auto pwdhash_fam = PasswordHashFamily::create_or_throw(argon2_family(family));	16✔
141	auto pwdhash = pwdhash_fam->from_params(M, t, p);	8✔
142
143	pwdhash->derive_key(generated.data(), generated.size(), password, password_len, salt.data(), salt.size());	8✔
144
145	return CT::is_equal(generated.data(), hash.data(), generated.size()).as_bool();	16✔
146	}	40✔
147
148	} // namespace Botan

randombit / botan / 19012754211

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