20852529804

Committed 09 Jan 2026 12:52PM UTC coverage: 90.425% (+0.002%) from 90.423%

Build # 20852529804

Build Type

Pull #5224

github

Committed by

web-flow

Commit Message

Merge 4e7c239a0 into 46ea9a2a3

Pull Request Pull Request #5224: Bump the FFI version for 3.11

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82.74

/src/lib/ffi/ffi.cpp

/*
* (C) 2015,2017 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/ffi.h>

#include <botan/base64.h>
#include <botan/hex.h>
#include <botan/mem_ops.h>
#include <botan/version.h>
#include <botan/internal/ct_utils.h>
#include <botan/internal/ffi_util.h>
#include <cstdio>
#include <cstdlib>

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

namespace Botan_FFI {

namespace {

// NOLINTNEXTLINE(*-avoid-non-const-global-variables)
thread_local std::string g_last_exception_what;

int ffi_map_error_type(Botan::ErrorType err) {
   switch(err) {
      case Botan::ErrorType::Unknown:
         return BOTAN_FFI_ERROR_UNKNOWN_ERROR;

      case Botan::ErrorType::SystemError:
      case Botan::ErrorType::IoError:
      case Botan::ErrorType::Pkcs11Error:
      case Botan::ErrorType::CommonCryptoError:
      case Botan::ErrorType::ZlibError:
      case Botan::ErrorType::Bzip2Error:
      case Botan::ErrorType::LzmaError:
      case Botan::ErrorType::DatabaseError:
         return BOTAN_FFI_ERROR_SYSTEM_ERROR;

      case Botan::ErrorType::TPMError:
         return BOTAN_FFI_ERROR_TPM_ERROR;

      case Botan::ErrorType::NotImplemented:
         return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
      case Botan::ErrorType::OutOfMemory:
         return BOTAN_FFI_ERROR_OUT_OF_MEMORY;
      case Botan::ErrorType::InternalError:
         return BOTAN_FFI_ERROR_INTERNAL_ERROR;
      case Botan::ErrorType::InvalidObjectState:
         return BOTAN_FFI_ERROR_INVALID_OBJECT_STATE;
      case Botan::ErrorType::KeyNotSet:
         return BOTAN_FFI_ERROR_KEY_NOT_SET;
      case Botan::ErrorType::InvalidArgument:
      case Botan::ErrorType::InvalidNonceLength:
         return BOTAN_FFI_ERROR_BAD_PARAMETER;

      case Botan::ErrorType::EncodingFailure:
      case Botan::ErrorType::DecodingFailure:
         return BOTAN_FFI_ERROR_INVALID_INPUT;

      case Botan::ErrorType::InvalidTag:
         return BOTAN_FFI_ERROR_BAD_MAC;

      case Botan::ErrorType::InvalidKeyLength:
         return BOTAN_FFI_ERROR_INVALID_KEY_LENGTH;
      case Botan::ErrorType::LookupError:
         return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;

      case Botan::ErrorType::HttpError:
         return BOTAN_FFI_ERROR_HTTP_ERROR;
      case Botan::ErrorType::TLSError:
         return BOTAN_FFI_ERROR_TLS_ERROR;
      case Botan::ErrorType::RoughtimeError:
         return BOTAN_FFI_ERROR_ROUGHTIME_ERROR;
   }

   return BOTAN_FFI_ERROR_UNKNOWN_ERROR;
}

}  // namespace

void ffi_clear_last_exception() {
   g_last_exception_what.clear();
}

int ffi_error_exception_thrown(const char* func_name, const char* exn, int rc) {
   g_last_exception_what.assign(exn);

#if defined(BOTAN_HAS_OS_UTILS)
   std::string val;
   if(Botan::OS::read_env_variable(val, "BOTAN_FFI_PRINT_EXCEPTIONS") && !val.empty()) {
      // NOLINTNEXTLINE(*-vararg)
      static_cast<void>(std::fprintf(stderr, "in %s exception '%s' returning %d\n", func_name, exn, rc));
   }
#endif

   return rc;
}

int ffi_error_exception_thrown(const char* func_name, const char* exn, Botan::ErrorType err) {
   return ffi_error_exception_thrown(func_name, exn, ffi_map_error_type(err));
}

int botan_view_str_bounce_fn(botan_view_ctx vctx, const char* str, size_t len) {
   return botan_view_bin_bounce_fn(vctx, reinterpret_cast<const uint8_t*>(str), len);
}

int botan_view_bin_bounce_fn(botan_view_ctx vctx, const uint8_t* buf, size_t len) {
   if(vctx == nullptr || buf == nullptr) {
      return BOTAN_FFI_ERROR_NULL_POINTER;
   }

   const botan_view_bounce_struct* ctx = static_cast<botan_view_bounce_struct*>(vctx);

   const size_t avail = *ctx->out_len;
   *ctx->out_len = len;

   if(avail < len || ctx->out_ptr == nullptr) {
      if(ctx->out_ptr != nullptr) {
         Botan::clear_mem(ctx->out_ptr, avail);
      }
      return BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE;
   } else {
      Botan::copy_mem(ctx->out_ptr, buf, len);
      return BOTAN_FFI_SUCCESS;
   }
}

}  // namespace Botan_FFI

extern "C" {

using namespace Botan_FFI;

const char* botan_error_last_exception_message() {
   return g_last_exception_what.c_str();
}

const char* botan_error_description(int err) {
   switch(err) {
      case BOTAN_FFI_SUCCESS:
         return "OK";

      case BOTAN_FFI_INVALID_VERIFIER:
         return "Invalid verifier";

      case BOTAN_FFI_ERROR_INVALID_INPUT:
         return "Invalid input";

      case BOTAN_FFI_ERROR_BAD_MAC:
         return "Invalid authentication code";

      case BOTAN_FFI_ERROR_NO_VALUE:
         return "No value available";

      case BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE:
         return "Insufficient buffer space";

      case BOTAN_FFI_ERROR_STRING_CONVERSION_ERROR:
         return "String conversion error";

      case BOTAN_FFI_ERROR_EXCEPTION_THROWN:
         return "Exception thrown";

      case BOTAN_FFI_ERROR_OUT_OF_MEMORY:
         return "Out of memory";

      case BOTAN_FFI_ERROR_SYSTEM_ERROR:
         return "Error while calling system API";

      case BOTAN_FFI_ERROR_INTERNAL_ERROR:
         return "Internal error";

      case BOTAN_FFI_ERROR_BAD_FLAG:
         return "Bad flag";

      case BOTAN_FFI_ERROR_NULL_POINTER:
         return "Null pointer argument";

      case BOTAN_FFI_ERROR_BAD_PARAMETER:
         return "Bad parameter";

      case BOTAN_FFI_ERROR_KEY_NOT_SET:
         return "Key not set on object";

      case BOTAN_FFI_ERROR_INVALID_KEY_LENGTH:
         return "Invalid key length";

      case BOTAN_FFI_ERROR_INVALID_OBJECT_STATE:
         return "Invalid object state";

      case BOTAN_FFI_ERROR_NOT_IMPLEMENTED:
         return "Not implemented";

      case BOTAN_FFI_ERROR_INVALID_OBJECT:
         return "Invalid object handle";

      case BOTAN_FFI_ERROR_TLS_ERROR:
         return "TLS error";

      case BOTAN_FFI_ERROR_HTTP_ERROR:
         return "HTTP error";

      case BOTAN_FFI_ERROR_UNKNOWN_ERROR:
      default:
         return "Unknown error";
   }
}

/*
* Versioning
*/
uint32_t botan_ffi_api_version() {
   return BOTAN_HAS_FFI;
}

int botan_ffi_supports_api(uint32_t api_version) {
   // This is the API introduced in 3.11
   if(api_version == 20260203) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 3.10
   if(api_version == 20250829) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 3.8
   if(api_version == 20250506) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 3.4
   if(api_version == 20240408) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 3.2
   if(api_version == 20231009) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 3.1
   if(api_version == 20230711) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 3.0
   if(api_version == 20230403) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 2.18
   if(api_version == 20210220) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 2.13
   if(api_version == 20191214) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 2.8
   if(api_version == 20180713) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 2.3
   if(api_version == 20170815) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 2.1
   if(api_version == 20170327) {
      return BOTAN_FFI_SUCCESS;
   }

   // This is the API introduced in 2.0
   if(api_version == 20150515) {
      return BOTAN_FFI_SUCCESS;
   }

   // Something else:
   return -1;
}

const char* botan_version_string() {
   return Botan::version_cstr();
}

uint32_t botan_version_major() {
   return Botan::version_major();
}

uint32_t botan_version_minor() {
   return Botan::version_minor();
}

uint32_t botan_version_patch() {
   return Botan::version_patch();
}

uint32_t botan_version_datestamp() {
   return Botan::version_datestamp();
}

int botan_constant_time_compare(const uint8_t* x, const uint8_t* y, size_t len) {
   auto same = Botan::CT::is_equal(x, y, len);
   // Return 0 if same or -1 otherwise
   return static_cast<int>(same.select(1, 0)) - 1;
}

int botan_same_mem(const uint8_t* x, const uint8_t* y, size_t len) {
   return botan_constant_time_compare(x, y, len);
}

int botan_scrub_mem(void* mem, size_t bytes) {
   Botan::secure_scrub_memory(mem, bytes);
   return BOTAN_FFI_SUCCESS;
}

int botan_hex_encode(const uint8_t* in, size_t len, char* out, uint32_t flags) {
   return ffi_guard_thunk(__func__, [=]() -> int {
      const bool uppercase = (flags & BOTAN_FFI_HEX_LOWER_CASE) == 0;
      Botan::hex_encode(out, in, len, uppercase);
      return BOTAN_FFI_SUCCESS;
   });
}

int botan_hex_decode(const char* hex_str, size_t in_len, uint8_t* out, size_t* out_len) {
   return ffi_guard_thunk(__func__, [=]() -> int {
      const std::vector<uint8_t> bin = Botan::hex_decode(hex_str, in_len);
      return Botan_FFI::write_vec_output(out, out_len, bin);
   });
}

int botan_base64_encode(const uint8_t* in, size_t len, char* out, size_t* out_len) {
   return ffi_guard_thunk(__func__, [=]() -> int {
      const std::string base64 = Botan::base64_encode(in, len);
      return Botan_FFI::write_str_output(out, out_len, base64);
   });
}

int botan_base64_decode(const char* base64_str, size_t in_len, uint8_t* out, size_t* out_len) {
   return ffi_guard_thunk(__func__, [=]() -> int {
      if(*out_len < Botan::base64_decode_max_output(in_len)) {
         *out_len = Botan::base64_decode_max_output(in_len);
         return BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE;
      }

      *out_len = Botan::base64_decode(out, std::string(base64_str, in_len));
      return BOTAN_FFI_SUCCESS;
   });
}
}

1	/*
2	* (C) 2015,2017 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include <botan/ffi.h>
8
9	#include <botan/base64.h>
10	#include <botan/hex.h>
11	#include <botan/mem_ops.h>
12	#include <botan/version.h>
13	#include <botan/internal/ct_utils.h>
14	#include <botan/internal/ffi_util.h>
15	#include <cstdio>
16	#include <cstdlib>
17
18	#if defined(BOTAN_HAS_OS_UTILS)
19	#include <botan/internal/os_utils.h>
20	#endif
21
22	namespace Botan_FFI {
23
24	namespace {
25
26	// NOLINTNEXTLINE(*-avoid-non-const-global-variables)
27	thread_local std::string g_last_exception_what;	97,102✔
28
29	int ffi_map_error_type(Botan::ErrorType err) {	11✔
30	switch(err) {	11✔
31	case Botan::ErrorType::Unknown:
32	return BOTAN_FFI_ERROR_UNKNOWN_ERROR;
33
34	case Botan::ErrorType::SystemError:	×
35	case Botan::ErrorType::IoError:	×
36	case Botan::ErrorType::Pkcs11Error:	×
37	case Botan::ErrorType::CommonCryptoError:	×
38	case Botan::ErrorType::ZlibError:	×
39	case Botan::ErrorType::Bzip2Error:	×
40	case Botan::ErrorType::LzmaError:	×
41	case Botan::ErrorType::DatabaseError:	×
42	return BOTAN_FFI_ERROR_SYSTEM_ERROR;	×
43
44	case Botan::ErrorType::TPMError:	×
45	return BOTAN_FFI_ERROR_TPM_ERROR;	×
46
47	case Botan::ErrorType::NotImplemented:
48	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
49	case Botan::ErrorType::OutOfMemory:	×
50	return BOTAN_FFI_ERROR_OUT_OF_MEMORY;	×
51	case Botan::ErrorType::InternalError:	×
52	return BOTAN_FFI_ERROR_INTERNAL_ERROR;	×
53	case Botan::ErrorType::InvalidObjectState:	2✔
54	return BOTAN_FFI_ERROR_INVALID_OBJECT_STATE;	2✔
55	case Botan::ErrorType::KeyNotSet:	2✔
56	return BOTAN_FFI_ERROR_KEY_NOT_SET;	2✔
57	case Botan::ErrorType::InvalidArgument:	4✔
58	case Botan::ErrorType::InvalidNonceLength:	4✔
59	return BOTAN_FFI_ERROR_BAD_PARAMETER;	4✔
60
61	case Botan::ErrorType::EncodingFailure:	1✔
62	case Botan::ErrorType::DecodingFailure:	1✔
63	return BOTAN_FFI_ERROR_INVALID_INPUT;	1✔
64
65	case Botan::ErrorType::InvalidTag:	×
66	return BOTAN_FFI_ERROR_BAD_MAC;	×
67
68	case Botan::ErrorType::InvalidKeyLength:	×
69	return BOTAN_FFI_ERROR_INVALID_KEY_LENGTH;	×
70	case Botan::ErrorType::LookupError:
71	return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
72
73	case Botan::ErrorType::HttpError:	×
74	return BOTAN_FFI_ERROR_HTTP_ERROR;	×
75	case Botan::ErrorType::TLSError:	×
76	return BOTAN_FFI_ERROR_TLS_ERROR;	×
77	case Botan::ErrorType::RoughtimeError:	×
78	return BOTAN_FFI_ERROR_ROUGHTIME_ERROR;	×
79	}
80
81	return BOTAN_FFI_ERROR_UNKNOWN_ERROR;
82	}
83
84	} // namespace
85
86	void ffi_clear_last_exception() {	97,080✔
87	g_last_exception_what.clear();	97,080✔
88	}	97,071✔
89
90	int ffi_error_exception_thrown(const char* func_name, const char* exn, int rc) {	17✔
91	g_last_exception_what.assign(exn);	17✔
92
93	#if defined(BOTAN_HAS_OS_UTILS)
94	std::string val;	17✔
95	if(Botan::OS::read_env_variable(val, "BOTAN_FFI_PRINT_EXCEPTIONS") && !val.empty()) {	17✔
96	// NOLINTNEXTLINE(*-vararg)
97	static_cast<void>(std::fprintf(stderr, "in %s exception '%s' returning %d\n", func_name, exn, rc));	×
98	}
99	#endif
100
101	return rc;	17✔
102	}	17✔
103
104	int ffi_error_exception_thrown(const char* func_name, const char* exn, Botan::ErrorType err) {	11✔
105	return ffi_error_exception_thrown(func_name, exn, ffi_map_error_type(err));	11✔
106	}
107
108	int botan_view_str_bounce_fn(botan_view_ctx vctx, const char* str, size_t len) {	74✔
109	return botan_view_bin_bounce_fn(vctx, reinterpret_cast<const uint8_t*>(str), len);	74✔
110	}
111
112	int botan_view_bin_bounce_fn(botan_view_ctx vctx, const uint8_t* buf, size_t len) {	168✔
113	if(vctx == nullptr \|\| buf == nullptr) {	168✔
114	return BOTAN_FFI_ERROR_NULL_POINTER;
115	}
116
117	const botan_view_bounce_struct* ctx = static_cast<botan_view_bounce_struct*>(vctx);	168✔
118
119	const size_t avail = *ctx->out_len;	168✔
120	*ctx->out_len = len;	168✔
121
122	if(avail < len \|\| ctx->out_ptr == nullptr) {	168✔
123	if(ctx->out_ptr != nullptr) {	78✔
124	Botan::clear_mem(ctx->out_ptr, avail);	×
125	}
126	return BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE;	78✔
127	} else {
128	Botan::copy_mem(ctx->out_ptr, buf, len);	90✔
129	return BOTAN_FFI_SUCCESS;	90✔
130	}
131	}
132
133	} // namespace Botan_FFI
134
135	extern "C" {
136
137	using namespace Botan_FFI;
138
139	const char* botan_error_last_exception_message() {	5✔
140	return g_last_exception_what.c_str();	5✔
141	}
142
143	const char* botan_error_description(int err) {	155✔
144	switch(err) {	155✔
145	case BOTAN_FFI_SUCCESS:
146	return "OK";
147
148	case BOTAN_FFI_INVALID_VERIFIER:	1✔
149	return "Invalid verifier";	1✔
150
151	case BOTAN_FFI_ERROR_INVALID_INPUT:	2✔
152	return "Invalid input";	2✔
153
154	case BOTAN_FFI_ERROR_BAD_MAC:	1✔
155	return "Invalid authentication code";	1✔
156
157	case BOTAN_FFI_ERROR_NO_VALUE:	2✔
158	return "No value available";	2✔
159
160	case BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE:	1✔
161	return "Insufficient buffer space";	1✔
162
163	case BOTAN_FFI_ERROR_STRING_CONVERSION_ERROR:	1✔
164	return "String conversion error";	1✔
165
166	case BOTAN_FFI_ERROR_EXCEPTION_THROWN:	1✔
167	return "Exception thrown";	1✔
168
169	case BOTAN_FFI_ERROR_OUT_OF_MEMORY:	1✔
170	return "Out of memory";	1✔
171
172	case BOTAN_FFI_ERROR_SYSTEM_ERROR:	1✔
173	return "Error while calling system API";	1✔
174
175	case BOTAN_FFI_ERROR_INTERNAL_ERROR:	1✔
176	return "Internal error";	1✔
177
178	case BOTAN_FFI_ERROR_BAD_FLAG:	1✔
179	return "Bad flag";	1✔
180
181	case BOTAN_FFI_ERROR_NULL_POINTER:	1✔
182	return "Null pointer argument";	1✔
183
184	case BOTAN_FFI_ERROR_BAD_PARAMETER:	1✔
185	return "Bad parameter";	1✔
186
187	case BOTAN_FFI_ERROR_KEY_NOT_SET:	1✔
188	return "Key not set on object";	1✔
189
190	case BOTAN_FFI_ERROR_INVALID_KEY_LENGTH:	1✔
191	return "Invalid key length";	1✔
192
193	case BOTAN_FFI_ERROR_INVALID_OBJECT_STATE:	1✔
194	return "Invalid object state";	1✔
195
196	case BOTAN_FFI_ERROR_NOT_IMPLEMENTED:	4✔
197	return "Not implemented";	4✔
198
199	case BOTAN_FFI_ERROR_INVALID_OBJECT:	1✔
200	return "Invalid object handle";	1✔
201
202	case BOTAN_FFI_ERROR_TLS_ERROR:	1✔
203	return "TLS error";	1✔
204
205	case BOTAN_FFI_ERROR_HTTP_ERROR:	1✔
206	return "HTTP error";	1✔
207
208	case BOTAN_FFI_ERROR_UNKNOWN_ERROR:	129✔
209	default:	129✔
210	return "Unknown error";	129✔
211	}
212	}
213
214	/*
215	* Versioning
216	*/
217	uint32_t botan_ffi_api_version() {	4✔
218	return BOTAN_HAS_FFI;	4✔
219	}
220
221	int botan_ffi_supports_api(uint32_t api_version) {	7✔
222	// This is the API introduced in 3.11
223	if(api_version == 20260203) {	7✔
224	return BOTAN_FFI_SUCCESS;
225	}
226
227	// This is the API introduced in 3.10
228	if(api_version == 20250829) {	6✔
229	return BOTAN_FFI_SUCCESS;
230	}
231
232	// This is the API introduced in 3.8
233	if(api_version == 20250506) {	5✔
234	return BOTAN_FFI_SUCCESS;
235	}
236
237	// This is the API introduced in 3.4
238	if(api_version == 20240408) {	5✔
239	return BOTAN_FFI_SUCCESS;
240	}
241
242	// This is the API introduced in 3.2
243	if(api_version == 20231009) {	5✔
244	return BOTAN_FFI_SUCCESS;
245	}
246
247	// This is the API introduced in 3.1
248	if(api_version == 20230711) {	5✔
249	return BOTAN_FFI_SUCCESS;
250	}
251
252	// This is the API introduced in 3.0
253	if(api_version == 20230403) {	5✔
254	return BOTAN_FFI_SUCCESS;
255	}
256
257	// This is the API introduced in 2.18
258	if(api_version == 20210220) {	5✔
259	return BOTAN_FFI_SUCCESS;
260	}
261
262	// This is the API introduced in 2.13
263	if(api_version == 20191214) {	5✔
264	return BOTAN_FFI_SUCCESS;
265	}
266
267	// This is the API introduced in 2.8
268	if(api_version == 20180713) {	5✔
269	return BOTAN_FFI_SUCCESS;
270	}
271
272	// This is the API introduced in 2.3
273	if(api_version == 20170815) {	4✔
274	return BOTAN_FFI_SUCCESS;
275	}
276
277	// This is the API introduced in 2.1
278	if(api_version == 20170327) {	3✔
279	return BOTAN_FFI_SUCCESS;
280	}
281
282	// This is the API introduced in 2.0
283	if(api_version == 20150515) {	2✔
284	return BOTAN_FFI_SUCCESS;	1✔
285	}
286
287	// Something else:
288	return -1;
289	}
290
291	const char* botan_version_string() {	2✔
292	return Botan::version_cstr();	2✔
293	}
294
295	uint32_t botan_version_major() {	2✔
296	return Botan::version_major();	2✔
297	}
298
299	uint32_t botan_version_minor() {	2✔
300	return Botan::version_minor();	2✔
301	}
302
303	uint32_t botan_version_patch() {	1✔
304	return Botan::version_patch();	1✔
305	}
306
307	uint32_t botan_version_datestamp() {	1✔
308	return Botan::version_datestamp();	1✔
309	}
310
311	int botan_constant_time_compare(const uint8_t* x, const uint8_t* y, size_t len) {	28✔
312	auto same = Botan::CT::is_equal(x, y, len);	28✔
313	// Return 0 if same or -1 otherwise
314	return static_cast<int>(same.select(1, 0)) - 1;	28✔
315	}
316
317	int botan_same_mem(const uint8_t* x, const uint8_t* y, size_t len) {	×
318	return botan_constant_time_compare(x, y, len);	×
319	}
320
321	int botan_scrub_mem(void* mem, size_t bytes) {	1✔
322	Botan::secure_scrub_memory(mem, bytes);	1✔
323	return BOTAN_FFI_SUCCESS;	1✔
324	}
325
326	int botan_hex_encode(const uint8_t* in, size_t len, char* out, uint32_t flags) {	3✔
327	return ffi_guard_thunk(__func__, [=]() -> int {	3✔
328	const bool uppercase = (flags & BOTAN_FFI_HEX_LOWER_CASE) == 0;	3✔
329	Botan::hex_encode(out, in, len, uppercase);	3✔
330	return BOTAN_FFI_SUCCESS;
331	});	3✔
332	}
333
334	int botan_hex_decode(const char* hex_str, size_t in_len, uint8_t* out, size_t* out_len) {	2✔
335	return ffi_guard_thunk(__func__, [=]() -> int {	2✔
336	const std::vector<uint8_t> bin = Botan::hex_decode(hex_str, in_len);	2✔
337	return Botan_FFI::write_vec_output(out, out_len, bin);	2✔
338	});	2✔
339	}
340
341	int botan_base64_encode(const uint8_t* in, size_t len, char* out, size_t* out_len) {	2✔
342	return ffi_guard_thunk(__func__, [=]() -> int {	2✔
343	const std::string base64 = Botan::base64_encode(in, len);	2✔
344	return Botan_FFI::write_str_output(out, out_len, base64);	2✔
345	});	2✔
346	}
347
348	int botan_base64_decode(const char* base64_str, size_t in_len, uint8_t* out, size_t* out_len) {	2✔
349	return ffi_guard_thunk(__func__, [=]() -> int {	2✔
350	if(*out_len < Botan::base64_decode_max_output(in_len)) {	2✔
351	*out_len = Botan::base64_decode_max_output(in_len);	1✔
352	return BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE;	1✔
353	}
354
355	*out_len = Botan::base64_decode(out, std::string(base64_str, in_len));	1✔
356	return BOTAN_FFI_SUCCESS;	1✔
357	});	2✔
358	}
359	}

randombit / botan / 20852529804

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