13257645065

Committed 11 Feb 2025 07:10AM UTC coverage: 91.65% (-0.009%) from 91.659%

Build # 13257645065

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Pull #4647

github

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web-flow

Commit Message

Merge b9f3a0603 into f372b5a9e

Pull Request Pull Request #4647: Avoid using mem_ops.h or assert.h in public headers

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88.97

/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, 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(!source.end_of_data()) {
               uint8_t b;
               size_t read = source.read_byte(b);
               if(read) {
                  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,	4,774✔
43	const std::function<std::string()>& get_passphrase,
44	AlgorithmIdentifier& pk_alg_id,
45	bool is_encrypted) {
46	AlgorithmIdentifier pbe_alg_id;	4,774✔
47	secure_vector<uint8_t> key_data, key;	4,774✔
48
49	try {	4,774✔
50	if(ASN1::maybe_BER(source) && !PEM_Code::matches(source)) {	4,774✔
51	if(is_encrypted) {	2,156✔
52	key_data = PKCS8_extract(source, pbe_alg_id);	506✔
53	} else {
54	// todo read more efficiently
55	while(!source.end_of_data()) {	1,199,018✔
56	uint8_t b;	1,197,115✔
57	size_t read = source.read_byte(b);	1,197,115✔
58	if(read) {	1,197,115✔
59	key_data.push_back(b);	1,197,115✔
60	}
61	}
62	}
63	} else {
64	std::string label;	2,617✔
65	key_data = PEM_Code::decode(source, label);	5,172✔
66
67	// todo remove autodetect for pem as well?
68	if(label == "PRIVATE KEY") {	2,555✔
69	is_encrypted = false;
70	} else if(label == "ENCRYPTED PRIVATE KEY") {	274✔
71	DataSource_Memory key_source(key_data);	336✔
72	key_data = PKCS8_extract(key_source, pbe_alg_id);	492✔
73	} else {	246✔
74	throw PKCS8_Exception(fmt("Unknown PEM label '{}'", label));	28✔
75	}
76	}	2,617✔
77
78	if(key_data.empty()) {	4,683✔
79	throw PKCS8_Exception("No key data found");	×
80	}
81	} catch(Decoding_Error& e) {	91✔
82	throw Decoding_Error("PKCS #8 private key decoding", e);	83✔
83	}	83✔
84
85	try {	4,683✔
86	if(is_encrypted) {	4,683✔
87	if(pbe_alg_id.oid().to_formatted_string() != "PBE-PKCS5v20") {	499✔
88	throw PKCS8_Exception(fmt("Unknown PBE type {}", pbe_alg_id.oid()));	×
89	}
90
91	#if defined(BOTAN_HAS_PKCS5_PBES2)
92	key = pbes2_decrypt(key_data, get_passphrase(), pbe_alg_id.parameters());	1,497✔
93	#else
94	BOTAN_UNUSED(get_passphrase);
95	throw Decoding_Error("Private key is encrypted but PBES2 was disabled in build");
96	#endif
97	} else {
98	key = key_data;	4,184✔
99	}
100
101	BER_Decoder(key)	9,366✔
102	.start_sequence()	4,589✔
103	.decode_and_check<size_t>(0, "Unknown PKCS #8 version number")	9,077✔
104	.decode(pk_alg_id)	4,488✔
105	.decode(key, ASN1_Type::OctetString)	4,348✔
106	.discard_remaining()	4,348✔
107	.end_cons();	4,348✔
108	} catch(std::exception& e) {	335✔
109	throw Decoding_Error("PKCS #8 private key decoding", e);	335✔
110	}	335✔
111	return key;	8,696✔
112	}	5,200✔
113
114	} // namespace
115
116	/*
117	* PEM encode a PKCS #8 private key, unencrypted
118	*/
119	std::string PEM_encode(const Private_Key& key) {	61✔
120	return PEM_Code::encode(key.private_key_info(), "PRIVATE KEY");	183✔
121	}
122
123	#if defined(BOTAN_HAS_PKCS5_PBES2)
124
125	namespace {
126
127	std::pair<std::string, std::string> choose_pbe_params(std::string_view pbe_algo, std::string_view key_algo) {	470✔
128	if(pbe_algo.empty()) {	470✔
129	/*
130	* For algorithms where we are using a non-RFC format anyway, default to
131	* SIV or GCM. For others (RSA, ECDSA, ...) default to something widely
132	* compatible.
133	*/
134	const bool nonstandard_pk = (key_algo == "McEliece" \|\| key_algo == "XMSS");	26✔
135
136	if(nonstandard_pk) {	26✔
137	#if defined(BOTAN_HAS_AEAD_SIV) && defined(BOTAN_HAS_SHA2_64)
138	return std::make_pair("AES-256/SIV", "SHA-512");	×
139	#elif defined(BOTAN_HAS_AEAD_GCM) && defined(BOTAN_HAS_SHA2_64)
140	return std::make_pair("AES-256/GCM", "SHA-512");
141	#endif
142	}
143
144	// Default is something compatible with everyone else
145	return std::make_pair("AES-256/CBC", "SHA-256");	26✔
146	}
147
148	SCAN_Name request(pbe_algo);	444✔
149
150	if(request.arg_count() != 2 \|\| (request.algo_name() != "PBE-PKCS5v20" && request.algo_name() != "PBES2")) {	444✔
151	throw Invalid_Argument(fmt("Unsupported PBE '{}'", pbe_algo));	×
152	}
153
154	return std::make_pair(request.arg(0), request.arg(1));	888✔
155	}	444✔
156
157	} // namespace
158
159	#endif
160
161	/*
162	* BER encode a PKCS #8 private key, encrypted
163	*/
164	std::vector<uint8_t> BER_encode(const Private_Key& key,	470✔
165	RandomNumberGenerator& rng,
166	std::string_view pass,
167	std::chrono::milliseconds msec,
168	std::string_view pbe_algo) {
169	#if defined(BOTAN_HAS_PKCS5_PBES2)
170	const auto pbe_params = choose_pbe_params(pbe_algo, key.algo_name());	470✔
171
172	const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =	470✔
173	pbes2_encrypt_msec(PKCS8::BER_encode(key), pass, msec, nullptr, pbe_params.first, pbe_params.second, rng);	470✔
174
175	std::vector<uint8_t> output;	470✔
176	DER_Encoder der(output);	470✔
177	der.start_sequence().encode(pbe_info.first).encode(pbe_info.second, ASN1_Type::OctetString).end_cons();	470✔
178
179	return output;	940✔
180	#else
181	BOTAN_UNUSED(key, rng, pass, msec, pbe_algo);
182	throw Encoding_Error("PKCS8::BER_encode cannot encrypt because PBES2 was disabled in build");
183	#endif
184	}	940✔
185
186	/*
187	* PEM encode a PKCS #8 private key, encrypted
188	*/
189	std::string PEM_encode(const Private_Key& key,	242✔
190	RandomNumberGenerator& rng,
191	std::string_view pass,
192	std::chrono::milliseconds msec,
193	std::string_view pbe_algo) {
194	if(pass.empty()) {	242✔
195	return PEM_encode(key);	×
196	}
197
198	return PEM_Code::encode(PKCS8::BER_encode(key, rng, pass, msec, pbe_algo), "ENCRYPTED PRIVATE KEY");	726✔
199	}
200
201	/*
202	* BER encode a PKCS #8 private key, encrypted
203	*/
204	std::vector<uint8_t> BER_encode_encrypted_pbkdf_iter(const Private_Key& key,	44✔
205	RandomNumberGenerator& rng,
206	std::string_view pass,
207	size_t pbkdf_iterations,
208	std::string_view cipher,
209	std::string_view pbkdf_hash) {
210	#if defined(BOTAN_HAS_PKCS5_PBES2)
211	const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =	44✔
212	pbes2_encrypt_iter(key.private_key_info(),	44✔
213	pass,
214	pbkdf_iterations,
215	cipher.empty() ? "AES-256/CBC" : cipher,	44✔
216	pbkdf_hash.empty() ? "SHA-256" : pbkdf_hash,	44✔
217	rng);	88✔
218
219	std::vector<uint8_t> output;	44✔
220	DER_Encoder der(output);	44✔
221	der.start_sequence().encode(pbe_info.first).encode(pbe_info.second, ASN1_Type::OctetString).end_cons();	44✔
222
223	return output;	44✔
224
225	#else
226	BOTAN_UNUSED(key, rng, pass, pbkdf_iterations, cipher, pbkdf_hash);
227	throw Encoding_Error("PKCS8::BER_encode_encrypted_pbkdf_iter cannot encrypt because PBES2 disabled in build");
228	#endif
229	}	44✔
230
231	/*
232	* PEM encode a PKCS #8 private key, encrypted
233	*/
234	std::string PEM_encode_encrypted_pbkdf_iter(const Private_Key& key,	22✔
235	RandomNumberGenerator& rng,
236	std::string_view pass,
237	size_t pbkdf_iterations,
238	std::string_view cipher,
239	std::string_view pbkdf_hash) {
240	return PEM_Code::encode(PKCS8::BER_encode_encrypted_pbkdf_iter(key, rng, pass, pbkdf_iterations, cipher, pbkdf_hash),	22✔
241	"ENCRYPTED PRIVATE KEY");	44✔
242	}
243
244	/*
245	* BER encode a PKCS #8 private key, encrypted
246	*/
247	std::vector<uint8_t> BER_encode_encrypted_pbkdf_msec(const Private_Key& key,	19✔
248	RandomNumberGenerator& rng,
249	std::string_view pass,
250	std::chrono::milliseconds pbkdf_msec,
251	size_t* pbkdf_iterations,
252	std::string_view cipher,
253	std::string_view pbkdf_hash) {
254	#if defined(BOTAN_HAS_PKCS5_PBES2)
255	const std::pair<AlgorithmIdentifier, std::vector<uint8_t>> pbe_info =	19✔
256	pbes2_encrypt_msec(key.private_key_info(),	19✔
257	pass,
258	pbkdf_msec,
259	pbkdf_iterations,
260	cipher.empty() ? "AES-256/CBC" : cipher,	19✔
261	pbkdf_hash.empty() ? "SHA-256" : pbkdf_hash,	19✔
262	rng);	38✔
263
264	std::vector<uint8_t> output;	19✔
265	DER_Encoder(output)	38✔
266	.start_sequence()	19✔
267	.encode(pbe_info.first)	19✔
268	.encode(pbe_info.second, ASN1_Type::OctetString)	19✔
269	.end_cons();	19✔
270
271	return output;	19✔
272	#else
273	BOTAN_UNUSED(key, rng, pass, pbkdf_msec, pbkdf_iterations, cipher, pbkdf_hash);
274	throw Encoding_Error("BER_encode_encrypted_pbkdf_msec cannot encrypt because PBES2 disabled in build");
275	#endif
276	}	19✔
277
278	/*
279	* PEM encode a PKCS #8 private key, encrypted
280	*/
281	std::string PEM_encode_encrypted_pbkdf_msec(const Private_Key& key,	4✔
282	RandomNumberGenerator& rng,
283	std::string_view pass,
284	std::chrono::milliseconds pbkdf_msec,
285	size_t* pbkdf_iterations,
286	std::string_view cipher,
287	std::string_view pbkdf_hash) {
288	return PEM_Code::encode(	4✔
289	PKCS8::BER_encode_encrypted_pbkdf_msec(key, rng, pass, pbkdf_msec, pbkdf_iterations, cipher, pbkdf_hash),	4✔
290	"ENCRYPTED PRIVATE KEY");	8✔
291	}
292
293	namespace {
294
295	/*
296	* Extract a private key (encrypted/unencrypted) and return it
297	*/
298	std::unique_ptr<Private_Key> load_key(DataSource& source,	4,774✔
299	const std::function<std::string()>& get_pass,
300	bool is_encrypted) {
301	AlgorithmIdentifier alg_id;	4,774✔
302	secure_vector<uint8_t> pkcs8_key = PKCS8_decode(source, get_pass, alg_id, is_encrypted);	4,774✔
303
304	const std::string alg_name = alg_id.oid().human_name_or_empty();	4,348✔
305	if(alg_name.empty()) {	4,348✔
306	throw PKCS8_Exception(fmt("Unknown algorithm OID {}", alg_id.oid()));	4✔
307	}
308
309	return load_private_key(alg_id, pkcs8_key);	7,716✔
310	}	9,122✔
311
312	} // namespace
313
314	/*
315	* Extract an encrypted private key and return it
316	*/
317	std::unique_ptr<Private_Key> load_key(DataSource& source, const std::function<std::string()>& get_pass) {	11✔
318	return load_key(source, get_pass, true);	11✔
319	}
320
321	std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source,	×
322	const std::function<std::string()>& get_passphrase) {
323	Botan::DataSource_Memory ds(source);	×
324	return load_key(ds, get_passphrase);	×
325	}	×
326
327	std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source, std::string_view pass) {	×
328	Botan::DataSource_Memory ds(source);	×
329	return load_key(ds, pass);	×
330	}	×
331
332	std::unique_ptr<Private_Key> load_key(std::span<const uint8_t> source) {	1✔
333	Botan::DataSource_Memory ds(source);	1✔
334	return load_key(ds);	1✔
335	}	1✔
336
337	/*
338	* Extract an encrypted private key and return it
339	*/
340	std::unique_ptr<Private_Key> load_key(DataSource& source, std::string_view pass) {	528✔
341	return load_key(	528✔
342	source, [pass]() { return std::string(pass); }, true);	1,545✔
343	}
344
345	/*
346	* Extract an unencrypted private key and return it
347	*/
348	std::unique_ptr<Private_Key> load_key(DataSource& source) {	4,235✔
349	auto fail_fn = []() -> std::string {	4,235✔
350	throw PKCS8_Exception("Internal error: Attempt to read password for unencrypted key");	×
351	};
352
353	return load_key(source, fail_fn, false);	7,064✔
354	}
355
356	} // namespace Botan::PKCS8

randombit / botan / 13257645065

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