21892189369

Committed 11 Feb 2026 12:53AM UTC coverage: 90.069% (-1.6%) from 91.638%

Build # 21892189369

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #5302 from randombit/jack/header-patrol-4

Cleanup various header inclusions

Run Details

102230 of 113502 relevant lines covered (90.07%)

11577018.64 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

91.67

/src/lib/ffi/ffi_srp6.cpp

/*
* (C) 2022 Rostyslav Khudolii
*     2023 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/ffi.h>

#include <botan/assert.h>
#include <botan/internal/ffi_rng.h>
#include <botan/internal/ffi_util.h>

#if defined(BOTAN_HAS_SRP6)
   #include <botan/bigint.h>
   #include <botan/dl_group.h>
   #include <botan/rng.h>
   #include <botan/srp6.h>
   #include <botan/symkey.h>
#endif

extern "C" {

using namespace Botan_FFI;

#if defined(BOTAN_HAS_SRP6)
BOTAN_FFI_DECLARE_STRUCT(botan_srp6_server_session_struct, Botan::SRP6_Server_Session, 0x44F7425F);
#else
BOTAN_FFI_DECLARE_DUMMY_STRUCT(botan_srp6_server_session_struct, 0x44F7425F);
#endif

int botan_srp6_server_session_init(botan_srp6_server_session_t* srp6) {
#if defined(BOTAN_HAS_SRP6)
   return ffi_guard_thunk(
      __func__, [=]() -> int { return ffi_new_object(srp6, std::make_unique<Botan::SRP6_Server_Session>()); });
#else
   BOTAN_UNUSED(srp6);
   return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
#endif
}

int botan_srp6_server_session_destroy(botan_srp6_server_session_t srp6) {
   return BOTAN_FFI_CHECKED_DELETE(srp6);
}

int botan_srp6_group_size(const char* group_id, size_t* group_p_bytes) {
#if defined(BOTAN_HAS_SRP6)
   if(any_null_pointers(group_id, group_p_bytes)) {
      return BOTAN_FFI_ERROR_NULL_POINTER;
   }

   return ffi_guard_thunk(__func__, [=]() -> int {
      const auto group = Botan::DL_Group::from_name(group_id);
      *group_p_bytes = group.p_bytes();
      return BOTAN_FFI_SUCCESS;
   });
#else
   BOTAN_UNUSED(group_id, group_p_bytes);
   return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
#endif
}

int botan_srp6_server_session_step1(botan_srp6_server_session_t srp6,
                                    const uint8_t* verifier,
                                    size_t verifier_len,
                                    const char* group_id,
                                    const char* hash_id,
                                    botan_rng_t rng_obj,
                                    uint8_t b_pub[],
                                    size_t* b_pub_len) {
#if defined(BOTAN_HAS_SRP6)
   return BOTAN_FFI_VISIT(srp6, [=](auto& s) -> int {
      if(any_null_pointers(verifier, group_id, hash_id, rng_obj)) {
         return BOTAN_FFI_ERROR_NULL_POINTER;
      }
      try {
         const auto group = Botan::DL_Group::from_name(group_id);
         const auto rc = check_and_prepare_output_space(b_pub, b_pub_len, group.p_bytes());
         if(rc != BOTAN_FFI_SUCCESS) {
            return rc;
         }

         Botan::RandomNumberGenerator& rng = safe_get(rng_obj);
         auto v_bn = Botan::BigInt::from_bytes(std::span{verifier, verifier_len});
         auto b_pub_bn = s.step1(v_bn, group, hash_id, group.exponent_bits(), rng);
         return write_vec_output(b_pub, b_pub_len, b_pub_bn.serialize(group.p_bytes()));
      } catch(Botan::Decoding_Error&) {
         return BOTAN_FFI_ERROR_BAD_PARAMETER;
      } catch(Botan::Lookup_Error&) {
         return BOTAN_FFI_ERROR_BAD_PARAMETER;
      }
   });
#else
   BOTAN_UNUSED(srp6, verifier, verifier_len, group_id, hash_id, rng_obj, b_pub, b_pub_len);
   return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
#endif
}

int botan_srp6_server_session_step2(
   botan_srp6_server_session_t srp6, const uint8_t a[], size_t a_len, uint8_t key[], size_t* key_len) {
#if defined(BOTAN_HAS_SRP6)
   return BOTAN_FFI_VISIT(srp6, [=](auto& s) -> int {
      if(!a) {
         return BOTAN_FFI_ERROR_NULL_POINTER;
      }
      try {
         const Botan::BigInt a_bn = Botan::BigInt::from_bytes({a, a_len});
         auto key_sk = s.step2(a_bn);
         return write_vec_output(key, key_len, key_sk.bits_of());
      } catch(Botan::Decoding_Error&) {
         return BOTAN_FFI_ERROR_BAD_PARAMETER;
      }
   });
#else
   BOTAN_UNUSED(srp6, a, a_len, key, key_len);
   return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
#endif
}

int botan_srp6_generate_verifier(const char* username,
                                 const char* password,
                                 const uint8_t salt[],
                                 size_t salt_len,
                                 const char* group_id,
                                 const char* hash_id,
                                 uint8_t verifier[],
                                 size_t* verifier_len) {
#if defined(BOTAN_HAS_SRP6)
   return ffi_guard_thunk(__func__, [=]() -> int {
      if(any_null_pointers(username, password, salt, group_id, hash_id)) {
         return BOTAN_FFI_ERROR_NULL_POINTER;
      }
      try {
         const std::vector<uint8_t> salt_vec(salt, salt + salt_len);
         const auto group = Botan::DL_Group::from_name(group_id);
         const size_t p_bytes = group.p_bytes();
         auto verifier_bn = Botan::srp6_generate_verifier(username, password, salt_vec, group, hash_id);
         return write_vec_output(verifier, verifier_len, verifier_bn.serialize(p_bytes));
      } catch(Botan::Lookup_Error&) {
         return BOTAN_FFI_ERROR_BAD_PARAMETER;
      }
   });
#else
   BOTAN_UNUSED(username, password, group_id, hash_id);
   BOTAN_UNUSED(salt, salt_len, verifier, verifier_len);
   return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
#endif
}

int botan_srp6_client_agree(const char* identity,
                            const char* password,
                            const char* group_id,
                            const char* hash_id,
                            const uint8_t salt[],
                            size_t salt_len,
                            const uint8_t b[],
                            size_t b_len,
                            botan_rng_t rng_obj,
                            uint8_t A[],
                            size_t* A_len,
                            uint8_t K[],
                            size_t* K_len) {
#if defined(BOTAN_HAS_SRP6)
   return ffi_guard_thunk(__func__, [=]() -> int {
      if(any_null_pointers(identity, password, salt, group_id, hash_id, b, rng_obj)) {
         return BOTAN_FFI_ERROR_NULL_POINTER;
      }
      try {
         const std::vector<uint8_t> saltv(salt, salt + salt_len);
         Botan::RandomNumberGenerator& rng = safe_get(rng_obj);
         auto b_bn = Botan::BigInt::from_bytes({b, b_len});
         const auto group = Botan::DL_Group::from_name(group_id);
         const size_t a_bits = group.exponent_bits();
         auto [A_bn, K_sk] = Botan::srp6_client_agree(identity, password, group, hash_id, saltv, b_bn, a_bits, rng);
         auto ret_a = write_vec_output(A, A_len, A_bn.serialize(group.p_bytes()));
         auto ret_k = write_vec_output(K, K_len, K_sk.bits_of());
         if(ret_a != BOTAN_FFI_SUCCESS) {
            return ret_a;
         }
         if(ret_k != BOTAN_FFI_SUCCESS) {
            return ret_k;
         }
         return BOTAN_FFI_SUCCESS;
      } catch(Botan::Lookup_Error&) {
         return BOTAN_FFI_ERROR_BAD_PARAMETER;
      }
   });
#else
   BOTAN_UNUSED(identity, password, group_id, hash_id, rng_obj);
   BOTAN_UNUSED(salt, salt_len, b, b_len, A, A_len, K, K_len);
   return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
#endif
}
}

1	/*
2	* (C) 2022 Rostyslav Khudolii
3	* 2023 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/ffi.h>
9
10	#include <botan/assert.h>
11	#include <botan/internal/ffi_rng.h>
12	#include <botan/internal/ffi_util.h>
13
14	#if defined(BOTAN_HAS_SRP6)
15	#include <botan/bigint.h>
16	#include <botan/dl_group.h>
17	#include <botan/rng.h>
18	#include <botan/srp6.h>
19	#include <botan/symkey.h>
20	#endif
21
22	extern "C" {
23
24	using namespace Botan_FFI;
25
26	#if defined(BOTAN_HAS_SRP6)
27	BOTAN_FFI_DECLARE_STRUCT(botan_srp6_server_session_struct, Botan::SRP6_Server_Session, 0x44F7425F);	2✔
28	#else
29	BOTAN_FFI_DECLARE_DUMMY_STRUCT(botan_srp6_server_session_struct, 0x44F7425F);
30	#endif
31
32	int botan_srp6_server_session_init(botan_srp6_server_session_t* srp6) {	2✔
33	#if defined(BOTAN_HAS_SRP6)
34	return ffi_guard_thunk(	2✔
35	__func__, [=]() -> int { return ffi_new_object(srp6, std::make_unique<Botan::SRP6_Server_Session>()); });	2✔
36	#else
37	BOTAN_UNUSED(srp6);
38	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
39	#endif
40	}
41
42	int botan_srp6_server_session_destroy(botan_srp6_server_session_t srp6) {	2✔
43	return BOTAN_FFI_CHECKED_DELETE(srp6);	2✔
44	}
45
46	int botan_srp6_group_size(const char* group_id, size_t* group_p_bytes) {	4✔
47	#if defined(BOTAN_HAS_SRP6)
48	if(any_null_pointers(group_id, group_p_bytes)) {	4✔
49	return BOTAN_FFI_ERROR_NULL_POINTER;
50	}
51
52	return ffi_guard_thunk(__func__, [=]() -> int {	4✔
53	const auto group = Botan::DL_Group::from_name(group_id);	4✔
54	*group_p_bytes = group.p_bytes();	4✔
55	return BOTAN_FFI_SUCCESS;	4✔
56	});	8✔
57	#else
58	BOTAN_UNUSED(group_id, group_p_bytes);
59	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
60	#endif
61	}
62
63	int botan_srp6_server_session_step1(botan_srp6_server_session_t srp6,	3✔
64	const uint8_t* verifier,
65	size_t verifier_len,
66	const char* group_id,
67	const char* hash_id,
68	botan_rng_t rng_obj,
69	uint8_t b_pub[],
70	size_t* b_pub_len) {
71	#if defined(BOTAN_HAS_SRP6)
72	return BOTAN_FFI_VISIT(srp6, [=](auto& s) -> int {	11✔
73	if(any_null_pointers(verifier, group_id, hash_id, rng_obj)) {
74	return BOTAN_FFI_ERROR_NULL_POINTER;
75	}
76	try {
77	const auto group = Botan::DL_Group::from_name(group_id);
78	const auto rc = check_and_prepare_output_space(b_pub, b_pub_len, group.p_bytes());
79	if(rc != BOTAN_FFI_SUCCESS) {
80	return rc;
81	}
82
83	Botan::RandomNumberGenerator& rng = safe_get(rng_obj);
84	auto v_bn = Botan::BigInt::from_bytes(std::span{verifier, verifier_len});
85	auto b_pub_bn = s.step1(v_bn, group, hash_id, group.exponent_bits(), rng);
86	return write_vec_output(b_pub, b_pub_len, b_pub_bn.serialize(group.p_bytes()));
87	} catch(Botan::Decoding_Error&) {
88	return BOTAN_FFI_ERROR_BAD_PARAMETER;
89	} catch(Botan::Lookup_Error&) {
90	return BOTAN_FFI_ERROR_BAD_PARAMETER;
91	}
92	});
93	#else
94	BOTAN_UNUSED(srp6, verifier, verifier_len, group_id, hash_id, rng_obj, b_pub, b_pub_len);
95	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
96	#endif
97	}
98
99	int botan_srp6_server_session_step2(	3✔
100	botan_srp6_server_session_t srp6, const uint8_t a[], size_t a_len, uint8_t key[], size_t* key_len) {
101	#if defined(BOTAN_HAS_SRP6)
102	return BOTAN_FFI_VISIT(srp6, [=](auto& s) -> int {	15✔
103	if(!a) {
104	return BOTAN_FFI_ERROR_NULL_POINTER;
105	}
106	try {
107	const Botan::BigInt a_bn = Botan::BigInt::from_bytes({a, a_len});
108	auto key_sk = s.step2(a_bn);
109	return write_vec_output(key, key_len, key_sk.bits_of());
110	} catch(Botan::Decoding_Error&) {
111	return BOTAN_FFI_ERROR_BAD_PARAMETER;
112	}
113	});
114	#else
115	BOTAN_UNUSED(srp6, a, a_len, key, key_len);
116	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
117	#endif
118	}
119
120	int botan_srp6_generate_verifier(const char* username,	3✔
121	const char* password,
122	const uint8_t salt[],
123	size_t salt_len,
124	const char* group_id,
125	const char* hash_id,
126	uint8_t verifier[],
127	size_t* verifier_len) {
128	#if defined(BOTAN_HAS_SRP6)
129	return ffi_guard_thunk(__func__, [=]() -> int {	3✔
130	if(any_null_pointers(username, password, salt, group_id, hash_id)) {	6✔
131	return BOTAN_FFI_ERROR_NULL_POINTER;
132	}
133	try {	3✔
134	const std::vector<uint8_t> salt_vec(salt, salt + salt_len);	3✔
135	const auto group = Botan::DL_Group::from_name(group_id);	3✔
136	const size_t p_bytes = group.p_bytes();	3✔
137	auto verifier_bn = Botan::srp6_generate_verifier(username, password, salt_vec, group, hash_id);	3✔
138	return write_vec_output(verifier, verifier_len, verifier_bn.serialize(p_bytes));	3✔
139	} catch(Botan::Lookup_Error&) {	9✔
140	return BOTAN_FFI_ERROR_BAD_PARAMETER;	×
141	}	×
142	});	3✔
143	#else
144	BOTAN_UNUSED(username, password, group_id, hash_id);
145	BOTAN_UNUSED(salt, salt_len, verifier, verifier_len);
146	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
147	#endif
148	}
149
150	int botan_srp6_client_agree(const char* identity,	3✔
151	const char* password,
152	const char* group_id,
153	const char* hash_id,
154	const uint8_t salt[],
155	size_t salt_len,
156	const uint8_t b[],
157	size_t b_len,
158	botan_rng_t rng_obj,
159	uint8_t A[],
160	size_t* A_len,
161	uint8_t K[],
162	size_t* K_len) {
163	#if defined(BOTAN_HAS_SRP6)
164	return ffi_guard_thunk(__func__, [=]() -> int {	3✔
165	if(any_null_pointers(identity, password, salt, group_id, hash_id, b, rng_obj)) {	6✔
166	return BOTAN_FFI_ERROR_NULL_POINTER;
167	}
168	try {	3✔
169	const std::vector<uint8_t> saltv(salt, salt + salt_len);	3✔
170	Botan::RandomNumberGenerator& rng = safe_get(rng_obj);	3✔
171	auto b_bn = Botan::BigInt::from_bytes({b, b_len});	3✔
172	const auto group = Botan::DL_Group::from_name(group_id);	3✔
173	const size_t a_bits = group.exponent_bits();	3✔
174	auto [A_bn, K_sk] = Botan::srp6_client_agree(identity, password, group, hash_id, saltv, b_bn, a_bits, rng);	3✔
175	auto ret_a = write_vec_output(A, A_len, A_bn.serialize(group.p_bytes()));	3✔
176	auto ret_k = write_vec_output(K, K_len, K_sk.bits_of());	3✔
177	if(ret_a != BOTAN_FFI_SUCCESS) {	3✔
178	return ret_a;	1✔
179	}
180	if(ret_k != BOTAN_FFI_SUCCESS) {
181	return ret_k;
182	}
183	return BOTAN_FFI_SUCCESS;
184	} catch(Botan::Lookup_Error&) {	9✔
185	return BOTAN_FFI_ERROR_BAD_PARAMETER;	×
186	}	×
187	});	3✔
188	#else
189	BOTAN_UNUSED(identity, password, group_id, hash_id, rng_obj);
190	BOTAN_UNUSED(salt, salt_len, b, b_len, A, A_len, K, K_len);
191	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
192	#endif
193	}
194	}

randombit / botan / 21892189369

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous