16393801904

Committed 19 Jul 2025 11:30PM UTC coverage: 90.637% (-0.07%) from 90.708%

Build # 16393801904

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Merge pull request #4998 from randombit/jack/fix-clang-tidy-readability-isolate-declaration

Enable and fix clang-tidy warning readability-isolate-declaration

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/src/lib/pubkey/pkcs8.cpp

/*
* PKCS #8
* (C) 1999-2010,2014,2018 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/pkcs8.h>

#include <botan/asn1_obj.h>
#include <botan/assert.h>
#include <botan/ber_dec.h>
#include <botan/der_enc.h>
#include <botan/pem.h>
#include <botan/pk_algs.h>
#include <botan/rng.h>
#include <botan/internal/fmt.h>
#include <botan/internal/scan_name.h>

#if defined(BOTAN_HAS_PKCS5_PBES2)
   #include <botan/internal/pbes2.h>
#endif

namespace Botan::PKCS8 {

namespace {

/*
* Get info from an EncryptedPrivateKeyInfo
*/
secure_vector<uint8_t> PKCS8_extract(DataSource& source, AlgorithmIdentifier& pbe_alg_id) {
   secure_vector<uint8_t> key_data;

   BER_Decoder(source).start_sequence().decode(pbe_alg_id).decode(key_data, ASN1_Type::OctetString).verify_end();

   return key_data;
}

/*
* PEM decode and/or decrypt a private key
*/
secure_vector<uint8_t> PKCS8_decode(DataSource& source,
                                    const std::function<std::string()>& get_passphrase,
                                    AlgorithmIdentifier& pk_alg_id,
                                    bool is_encrypted) {
   AlgorithmIdentifier pbe_alg_id;
   secure_vector<uint8_t> key_data;
   secure_vector<uint8_t> key;

   try {
      if(ASN1::maybe_BER(source) && !PEM_Code::matches(source)) {
         if(is_encrypted) {
            key_data = PKCS8_extract(source, pbe_alg_id);
         } else {
            // todo read more efficiently
            while(auto b = source.read_byte()) {
               key_data.push_back(*b);
            }
         }
      } else {
         std::string label;
         key_data = PEM_Code::decode(source, label);

         // todo remove autodetect for pem as well?
         if(label == "PRIVATE KEY") {
            is_encrypted = false;
         } else if(label == "ENCRYPTED PRIVATE KEY") {
            DataSource_Memory key_source(key_data);
            key_data = PKCS8_extract(key_source, pbe_alg_id);
         } else {
            throw PKCS8_Exception(fmt("Unknown PEM label '{}'", label));
         }
      }

      if(key_data.empty()) {
         throw PKCS8_Exception("No key data found");
      }
   } catch(Decoding_Error& e) {
      throw Decoding_Error("PKCS #8 private key decoding", e);
   }

   try {
      if(is_encrypted) {
         if(pbe_alg_id.oid().to_formatted_string() != "PBE-PKCS5v20") {
            throw PKCS8_Exception(fmt("Unknown PBE type {}", pbe_alg_id.oid()));
         }

#if defined(BOTAN_HAS_PKCS5_PBES2)
         key = pbes2_decrypt(key_data, get_passphrase(), pbe_alg_id.parameters());
#else
         BOTAN_UNUSED(get_passphrase);
         throw Decoding_Error("Private key is encrypted but PBES2 was disabled in build");
#endif
      } else {
         key = key_data;
      }

      BER_Decoder(key)
         .start_sequence()
         .decode_and_check<size_t>(0, "Unknown PKCS #8 version number")
         .decode(pk_alg_id)
         .decode(key, ASN1_Type::OctetString)
         .discard_remaining()
         .end_cons();
   } catch(std::exception& e) {
      throw Decoding_Error("PKCS #8 private key decoding", e);
   }
   return key;
}

}  // namespace

/*
* PEM encode a PKCS #8 private key, unencrypted
*/
std::string PEM_encode(const Private_Key& key) {
   return PEM_Code::encode(key.private_key_info(), "PRIVATE KEY");
}

#if defined(BOTAN_HAS_PKCS5_PBES2)

namespace {

std::pair<std::string, std::string> choose_pbe_params(std::string_view pbe_algo, std::string_view key_algo) {
   if(pbe_algo.empty()) {
      /*
      * For algorithms where we are using a non-RFC format anyway, default to
      * SIV or GCM. For others (RSA, ECDSA, ...) default to something widely
      * compatible.
      */
      const bool nonstandard_pk = (key_algo == "McEliece" || key_algo == "XMSS");

      if(nonstandard_pk) {
   #if defined(BOTAN_HAS_AEAD_SIV) && defined(BOTAN_HAS_SHA2_64)
         return std::make_pair("AES-256/SIV", "SHA-512");
   #elif defined(BOTAN_HAS_AEAD_GCM) && defined(BOTAN_HAS_SHA2_64)
         return std::make_pair("AES-256/GCM", "SHA-512");
   #endif
      }

      // Default is something compatible with everyone else
      return std::make_pair("AES-256/CBC", "SHA-256");
   }

   SCAN_Name request(pbe_algo);

   if(request.arg_count() != 2 || (request.algo_name() != "PBE-PKCS5v20" && request.algo_name() != "PBES2")) {
      throw Invalid_Argument(fmt("Unsupported PBE '{}'", pbe_algo));
   }

   return std::make_pair(request.arg(0), request.arg(1));
}

}  // namespace

#endif

/*
* BER encode a PKCS #8 private key, encrypted
*/
std::vector<uint8_t> BER_encode(const Private_Key& key,
                                RandomNumberGenerator& rng,
                                std::string_view pass,
                                std::chrono::milliseconds msec,
                                std::string_view pbe_algo) {
#if defined(BOTAN_HAS_PKCS5_PBES2)
   const auto pbe_params = choose_pbe_params(pbe_algo, key.algo_name());

   const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =
      pbes2_encrypt_msec(PKCS8::BER_encode(key), pass, msec, nullptr, pbe_params.first, pbe_params.second, rng);

   std::vector<uint8_t> output;
   DER_Encoder der(output);
   der.start_sequence().encode(pbe_info.first).encode(pbe_info.second, ASN1_Type::OctetString).end_cons();

   return output;
#else
   BOTAN_UNUSED(key, rng, pass, msec, pbe_algo);
   throw Encoding_Error("PKCS8::BER_encode cannot encrypt because PBES2 was disabled in build");
#endif
}

/*
* PEM encode a PKCS #8 private key, encrypted
*/
std::string PEM_encode(const Private_Key& key,
                       RandomNumberGenerator& rng,
                       std::string_view pass,
                       std::chrono::milliseconds msec,
                       std::string_view pbe_algo) {
   if(pass.empty()) {
      return PEM_encode(key);
   }

   return PEM_Code::encode(PKCS8::BER_encode(key, rng, pass, msec, pbe_algo), "ENCRYPTED PRIVATE KEY");
}

/*
* BER encode a PKCS #8 private key, encrypted
*/
std::vector<uint8_t> BER_encode_encrypted_pbkdf_iter(const Private_Key& key,
                                                     RandomNumberGenerator& rng,
                                                     std::string_view pass,
                                                     size_t pbkdf_iterations,
                                                     std::string_view cipher,
                                                     std::string_view pbkdf_hash) {
#if defined(BOTAN_HAS_PKCS5_PBES2)
   const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =
      pbes2_encrypt_iter(key.private_key_info(),
                         pass,
                         pbkdf_iterations,
                         cipher.empty() ? "AES-256/CBC" : cipher,
                         pbkdf_hash.empty() ? "SHA-256" : pbkdf_hash,
                         rng);

   std::vector<uint8_t> output;
   DER_Encoder der(output);
   der.start_sequence().encode(pbe_info.first).encode(pbe_info.second, ASN1_Type::OctetString).end_cons();

   return output;

#else
   BOTAN_UNUSED(key, rng, pass, pbkdf_iterations, cipher, pbkdf_hash);
   throw Encoding_Error("PKCS8::BER_encode_encrypted_pbkdf_iter cannot encrypt because PBES2 disabled in build");
#endif
}

/*
* PEM encode a PKCS #8 private key, encrypted
*/
std::string PEM_encode_encrypted_pbkdf_iter(const Private_Key& key,
                                            RandomNumberGenerator& rng,
                                            std::string_view pass,
                                            size_t pbkdf_iterations,
                                            std::string_view cipher,
                                            std::string_view pbkdf_hash) {
   return PEM_Code::encode(PKCS8::BER_encode_encrypted_pbkdf_iter(key, rng, pass, pbkdf_iterations, cipher, pbkdf_hash),
                           "ENCRYPTED PRIVATE KEY");
}

/*
* BER encode a PKCS #8 private key, encrypted
*/
std::vector<uint8_t> BER_encode_encrypted_pbkdf_msec(const Private_Key& key,
                                                     RandomNumberGenerator& rng,
                                                     std::string_view pass,
                                                     std::chrono::milliseconds pbkdf_msec,
                                                     size_t* pbkdf_iterations,
                                                     std::string_view cipher,
                                                     std::string_view pbkdf_hash) {
#if defined(BOTAN_HAS_PKCS5_PBES2)
   const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =
      pbes2_encrypt_msec(key.private_key_info(),
                         pass,
                         pbkdf_msec,
                         pbkdf_iterations,
                         cipher.empty() ? "AES-256/CBC" : cipher,
                         pbkdf_hash.empty() ? "SHA-256" : pbkdf_hash,
                         rng);

   std::vector<uint8_t> output;
   DER_Encoder(output)
      .start_sequence()
      .encode(pbe_info.first)
      .encode(pbe_info.second, ASN1_Type::OctetString)
      .end_cons();

   return output;
#else
   BOTAN_UNUSED(key, rng, pass, pbkdf_msec, pbkdf_iterations, cipher, pbkdf_hash);
   throw Encoding_Error("BER_encode_encrypted_pbkdf_msec cannot encrypt because PBES2 disabled in build");
#endif
}

/*
* PEM encode a PKCS #8 private key, encrypted
*/
std::string PEM_encode_encrypted_pbkdf_msec(const Private_Key& key,
                                            RandomNumberGenerator& rng,
                                            std::string_view pass,
                                            std::chrono::milliseconds pbkdf_msec,
                                            size_t* pbkdf_iterations,
                                            std::string_view cipher,
                                            std::string_view pbkdf_hash) {
   return PEM_Code::encode(
      PKCS8::BER_encode_encrypted_pbkdf_msec(key, rng, pass, pbkdf_msec, pbkdf_iterations, cipher, pbkdf_hash),
      "ENCRYPTED PRIVATE KEY");
}

namespace {

/*
* Extract a private key (encrypted/unencrypted) and return it
*/
std::unique_ptr<Private_Key> load_key(DataSource& source,
                                      const std::function<std::string()>& get_pass,
                                      bool is_encrypted) {
   AlgorithmIdentifier alg_id;
   secure_vector<uint8_t> pkcs8_key = PKCS8_decode(source, get_pass, alg_id, is_encrypted);

   const std::string alg_name = alg_id.oid().human_name_or_empty();
   if(alg_name.empty()) {
      throw PKCS8_Exception(fmt("Unknown algorithm OID {}", alg_id.oid()));
   }

   return load_private_key(alg_id, pkcs8_key);
}

}  // namespace

/*
* Extract an encrypted private key and return it
*/
std::unique_ptr<Private_Key> load_key(DataSource& source, const std::function<std::string()>& get_pass) {
   return load_key(source, get_pass, true);
}

std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source,
                                      const std::function<std::string()>& get_passphrase) {
   Botan::DataSource_Memory ds(source);
   return load_key(ds, get_passphrase);
}

std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source, std::string_view pass) {
   Botan::DataSource_Memory ds(source);
   return load_key(ds, pass);
}

std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source) {
   Botan::DataSource_Memory ds(source);
   return load_key(ds);
}

/*
* Extract an encrypted private key and return it
*/
std::unique_ptr<Private_Key> load_key(DataSource& source, std::string_view pass) {
   return load_key(
      source, [pass]() { return std::string(pass); }, true);
}

/*
* Extract an unencrypted private key and return it
*/
std::unique_ptr<Private_Key> load_key(DataSource& source) {
   auto fail_fn = []() -> std::string {
      throw PKCS8_Exception("Internal error: Attempt to read password for unencrypted key");
   };

   return load_key(source, fail_fn, false);
}

}  // namespace Botan::PKCS8

1	/*
2	* PKCS #8
3	* (C) 1999-2010,2014,2018 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/pkcs8.h>
9
10	#include <botan/asn1_obj.h>
11	#include <botan/assert.h>
12	#include <botan/ber_dec.h>
13	#include <botan/der_enc.h>
14	#include <botan/pem.h>
15	#include <botan/pk_algs.h>
16	#include <botan/rng.h>
17	#include <botan/internal/fmt.h>
18	#include <botan/internal/scan_name.h>
19
20	#if defined(BOTAN_HAS_PKCS5_PBES2)
21	#include <botan/internal/pbes2.h>
22	#endif
23
24	namespace Botan::PKCS8 {
25
26	namespace {
27
28	/*
29	* Get info from an EncryptedPrivateKeyInfo
30	*/
31	secure_vector<uint8_t> PKCS8_extract(DataSource& source, AlgorithmIdentifier& pbe_alg_id) {	499✔
32	secure_vector<uint8_t> key_data;	499✔
33
34	BER_Decoder(source).start_sequence().decode(pbe_alg_id).decode(key_data, ASN1_Type::OctetString).verify_end();	998✔
35
36	return key_data;	499✔
37	}	×
38
39	/*
40	* PEM decode and/or decrypt a private key
41	*/
42	secure_vector<uint8_t> PKCS8_decode(DataSource& source,	4,785✔
43	const std::function<std::string()>& get_passphrase,
44	AlgorithmIdentifier& pk_alg_id,
45	bool is_encrypted) {
46	AlgorithmIdentifier pbe_alg_id;	4,785✔
47	secure_vector<uint8_t> key_data;	4,785✔
48	secure_vector<uint8_t> key;	4,785✔
49
50	try {	4,785✔
51	if(ASN1::maybe_BER(source) && !PEM_Code::matches(source)) {	4,785✔
52	if(is_encrypted) {	2,169✔
53	key_data = PKCS8_extract(source, pbe_alg_id);	506✔
54	} else {
55	// todo read more efficiently
56	while(auto b = source.read_byte()) {	1,204,504✔
57	key_data.push_back(*b);	1,202,588✔
58	}	1,202,588✔
59	}
60	} else {
61	std::string label;	2,615✔
62	key_data = PEM_Code::decode(source, label);	5,168✔
63
64	// todo remove autodetect for pem as well?
65	if(label == "PRIVATE KEY") {	2,553✔
66	is_encrypted = false;
67	} else if(label == "ENCRYPTED PRIVATE KEY") {	274✔
68	DataSource_Memory key_source(key_data);	336✔
69	key_data = PKCS8_extract(key_source, pbe_alg_id);	492✔
70	} else {	246✔
71	throw PKCS8_Exception(fmt("Unknown PEM label '{}'", label));	28✔
72	}
73	}	2,615✔
74
75	if(key_data.empty()) {	4,694✔
76	throw PKCS8_Exception("No key data found");	×
77	}
78	} catch(Decoding_Error& e) {	91✔
79	throw Decoding_Error("PKCS #8 private key decoding", e);	83✔
80	}	83✔
81
82	try {	4,694✔
83	if(is_encrypted) {	4,694✔
84	if(pbe_alg_id.oid().to_formatted_string() != "PBE-PKCS5v20") {	499✔
85	throw PKCS8_Exception(fmt("Unknown PBE type {}", pbe_alg_id.oid()));	×
86	}
87
88	#if defined(BOTAN_HAS_PKCS5_PBES2)
89	key = pbes2_decrypt(key_data, get_passphrase(), pbe_alg_id.parameters());	1,497✔
90	#else
91	BOTAN_UNUSED(get_passphrase);
92	throw Decoding_Error("Private key is encrypted but PBES2 was disabled in build");
93	#endif
94	} else {
95	key = key_data;	4,195✔
96	}
97
98	BER_Decoder(key)	9,388✔
99	.start_sequence()	4,600✔
100	.decode_and_check<size_t>(0, "Unknown PKCS #8 version number")	9,099✔
101	.decode(pk_alg_id)	4,499✔
102	.decode(key, ASN1_Type::OctetString)	4,359✔
103	.discard_remaining()	4,359✔
104	.end_cons();	4,359✔
105	} catch(std::exception& e) {	335✔
106	throw Decoding_Error("PKCS #8 private key decoding", e);	335✔
107	}	335✔
108	return key;	8,718✔
109	}	5,211✔
110
111	} // namespace
112
113	/*
114	* PEM encode a PKCS #8 private key, unencrypted
115	*/
116	std::string PEM_encode(const Private_Key& key) {	61✔
117	return PEM_Code::encode(key.private_key_info(), "PRIVATE KEY");	183✔
118	}
119
120	#if defined(BOTAN_HAS_PKCS5_PBES2)
121
122	namespace {
123
124	std::pair<std::string, std::string> choose_pbe_params(std::string_view pbe_algo, std::string_view key_algo) {	470✔
125	if(pbe_algo.empty()) {	470✔
126	/*
127	* For algorithms where we are using a non-RFC format anyway, default to
128	* SIV or GCM. For others (RSA, ECDSA, ...) default to something widely
129	* compatible.
130	*/
131	const bool nonstandard_pk = (key_algo == "McEliece" \|\| key_algo == "XMSS");	26✔
132
133	if(nonstandard_pk) {	26✔
134	#if defined(BOTAN_HAS_AEAD_SIV) && defined(BOTAN_HAS_SHA2_64)
135	return std::make_pair("AES-256/SIV", "SHA-512");	×
136	#elif defined(BOTAN_HAS_AEAD_GCM) && defined(BOTAN_HAS_SHA2_64)
137	return std::make_pair("AES-256/GCM", "SHA-512");
138	#endif
139	}
140
141	// Default is something compatible with everyone else
142	return std::make_pair("AES-256/CBC", "SHA-256");	26✔
143	}
144
145	SCAN_Name request(pbe_algo);	444✔
146
147	if(request.arg_count() != 2 \|\| (request.algo_name() != "PBE-PKCS5v20" && request.algo_name() != "PBES2")) {	444✔
148	throw Invalid_Argument(fmt("Unsupported PBE '{}'", pbe_algo));	×
149	}
150
151	return std::make_pair(request.arg(0), request.arg(1));	888✔
152	}	444✔
153
154	} // namespace
155
156	#endif
157
158	/*
159	* BER encode a PKCS #8 private key, encrypted
160	*/
161	std::vector<uint8_t> BER_encode(const Private_Key& key,	470✔
162	RandomNumberGenerator& rng,
163	std::string_view pass,
164	std::chrono::milliseconds msec,
165	std::string_view pbe_algo) {
166	#if defined(BOTAN_HAS_PKCS5_PBES2)
167	const auto pbe_params = choose_pbe_params(pbe_algo, key.algo_name());	470✔
168
169	const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =	470✔
170	pbes2_encrypt_msec(PKCS8::BER_encode(key), pass, msec, nullptr, pbe_params.first, pbe_params.second, rng);	470✔
171
172	std::vector<uint8_t> output;	470✔
173	DER_Encoder der(output);	470✔
174	der.start_sequence().encode(pbe_info.first).encode(pbe_info.second, ASN1_Type::OctetString).end_cons();	470✔
175
176	return output;	940✔
177	#else
178	BOTAN_UNUSED(key, rng, pass, msec, pbe_algo);
179	throw Encoding_Error("PKCS8::BER_encode cannot encrypt because PBES2 was disabled in build");
180	#endif
181	}	940✔
182
183	/*
184	* PEM encode a PKCS #8 private key, encrypted
185	*/
186	std::string PEM_encode(const Private_Key& key,	242✔
187	RandomNumberGenerator& rng,
188	std::string_view pass,
189	std::chrono::milliseconds msec,
190	std::string_view pbe_algo) {
191	if(pass.empty()) {	242✔
192	return PEM_encode(key);	×
193	}
194
195	return PEM_Code::encode(PKCS8::BER_encode(key, rng, pass, msec, pbe_algo), "ENCRYPTED PRIVATE KEY");	726✔
196	}
197
198	/*
199	* BER encode a PKCS #8 private key, encrypted
200	*/
201	std::vector<uint8_t> BER_encode_encrypted_pbkdf_iter(const Private_Key& key,	44✔
202	RandomNumberGenerator& rng,
203	std::string_view pass,
204	size_t pbkdf_iterations,
205	std::string_view cipher,
206	std::string_view pbkdf_hash) {
207	#if defined(BOTAN_HAS_PKCS5_PBES2)
208	const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =	44✔
209	pbes2_encrypt_iter(key.private_key_info(),	44✔
210	pass,
211	pbkdf_iterations,
212	cipher.empty() ? "AES-256/CBC" : cipher,	44✔
213	pbkdf_hash.empty() ? "SHA-256" : pbkdf_hash,	44✔
214	rng);	88✔
215
216	std::vector<uint8_t> output;	44✔
217	DER_Encoder der(output);	44✔
218	der.start_sequence().encode(pbe_info.first).encode(pbe_info.second, ASN1_Type::OctetString).end_cons();	44✔
219
220	return output;	44✔
221
222	#else
223	BOTAN_UNUSED(key, rng, pass, pbkdf_iterations, cipher, pbkdf_hash);
224	throw Encoding_Error("PKCS8::BER_encode_encrypted_pbkdf_iter cannot encrypt because PBES2 disabled in build");
225	#endif
226	}	44✔
227
228	/*
229	* PEM encode a PKCS #8 private key, encrypted
230	*/
231	std::string PEM_encode_encrypted_pbkdf_iter(const Private_Key& key,	22✔
232	RandomNumberGenerator& rng,
233	std::string_view pass,
234	size_t pbkdf_iterations,
235	std::string_view cipher,
236	std::string_view pbkdf_hash) {
237	return PEM_Code::encode(PKCS8::BER_encode_encrypted_pbkdf_iter(key, rng, pass, pbkdf_iterations, cipher, pbkdf_hash),	22✔
238	"ENCRYPTED PRIVATE KEY");	44✔
239	}
240
241	/*
242	* BER encode a PKCS #8 private key, encrypted
243	*/
244	std::vector<uint8_t> BER_encode_encrypted_pbkdf_msec(const Private_Key& key,	19✔
245	RandomNumberGenerator& rng,
246	std::string_view pass,
247	std::chrono::milliseconds pbkdf_msec,
248	size_t* pbkdf_iterations,
249	std::string_view cipher,
250	std::string_view pbkdf_hash) {
251	#if defined(BOTAN_HAS_PKCS5_PBES2)
252	const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =	19✔
253	pbes2_encrypt_msec(key.private_key_info(),	19✔
254	pass,
255	pbkdf_msec,
256	pbkdf_iterations,
257	cipher.empty() ? "AES-256/CBC" : cipher,	19✔
258	pbkdf_hash.empty() ? "SHA-256" : pbkdf_hash,	19✔
259	rng);	38✔
260
261	std::vector<uint8_t> output;	19✔
262	DER_Encoder(output)	38✔
263	.start_sequence()	19✔
264	.encode(pbe_info.first)	19✔
265	.encode(pbe_info.second, ASN1_Type::OctetString)	19✔
266	.end_cons();	19✔
267
268	return output;	19✔
269	#else
270	BOTAN_UNUSED(key, rng, pass, pbkdf_msec, pbkdf_iterations, cipher, pbkdf_hash);
271	throw Encoding_Error("BER_encode_encrypted_pbkdf_msec cannot encrypt because PBES2 disabled in build");
272	#endif
273	}	19✔
274
275	/*
276	* PEM encode a PKCS #8 private key, encrypted
277	*/
278	std::string PEM_encode_encrypted_pbkdf_msec(const Private_Key& key,	4✔
279	RandomNumberGenerator& rng,
280	std::string_view pass,
281	std::chrono::milliseconds pbkdf_msec,
282	size_t* pbkdf_iterations,
283	std::string_view cipher,
284	std::string_view pbkdf_hash) {
285	return PEM_Code::encode(	4✔
286	PKCS8::BER_encode_encrypted_pbkdf_msec(key, rng, pass, pbkdf_msec, pbkdf_iterations, cipher, pbkdf_hash),	4✔
287	"ENCRYPTED PRIVATE KEY");	8✔
288	}
289
290	namespace {
291
292	/*
293	* Extract a private key (encrypted/unencrypted) and return it
294	*/
295	std::unique_ptr<Private_Key> load_key(DataSource& source,	4,785✔
296	const std::function<std::string()>& get_pass,
297	bool is_encrypted) {
298	AlgorithmIdentifier alg_id;	4,785✔
299	secure_vector<uint8_t> pkcs8_key = PKCS8_decode(source, get_pass, alg_id, is_encrypted);	4,785✔
300
301	const std::string alg_name = alg_id.oid().human_name_or_empty();	4,359✔
302	if(alg_name.empty()) {	4,359✔
303	throw PKCS8_Exception(fmt("Unknown algorithm OID {}", alg_id.oid()));	4✔
304	}
305
306	return load_private_key(alg_id, pkcs8_key);	7,739✔
307	}	9,144✔
308
309	} // namespace
310
311	/*
312	* Extract an encrypted private key and return it
313	*/
314	std::unique_ptr<Private_Key> load_key(DataSource& source, const std::function<std::string()>& get_pass) {	11✔
315	return load_key(source, get_pass, true);	11✔
316	}
317
318	std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source,	×
319	const std::function<std::string()>& get_passphrase) {
320	Botan::DataSource_Memory ds(source);	×
321	return load_key(ds, get_passphrase);	×
322	}	×
323
324	std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source, std::string_view pass) {	×
325	Botan::DataSource_Memory ds(source);	×
326	return load_key(ds, pass);	×
327	}	×
328
329	std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source) {	14✔
330	Botan::DataSource_Memory ds(source);	14✔
331	return load_key(ds);	14✔
332	}	14✔
333
334	/*
335	* Extract an encrypted private key and return it
336	*/
337	std::unique_ptr<Private_Key> load_key(DataSource& source, std::string_view pass) {	528✔
338	return load_key(	528✔
339	source, [pass]() { return std::string(pass); }, true);	1,545✔
340	}
341
342	/*
343	* Extract an unencrypted private key and return it
344	*/
345	std::unique_ptr<Private_Key> load_key(DataSource& source) {	4,246✔
346	auto fail_fn = []() -> std::string {	4,246✔
347	throw PKCS8_Exception("Internal error: Attempt to read password for unencrypted key");	×
348	};
349
350	return load_key(source, fail_fn, false);	7,087✔
351	}
352
353	} // namespace Botan::PKCS8

randombit / botan / 16393801904

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