Botan  2.12.1
Crypto and TLS for C++11
pk_keys.cpp
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1 /*
2 * PK Key Types
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #include <botan/pk_keys.h>
9 #include <botan/pk_ops.h>
10 #include <botan/der_enc.h>
11 #include <botan/oids.h>
12 #include <botan/hash.h>
13 #include <botan/hex.h>
14 
15 namespace Botan {
16 
17 std::string create_hex_fingerprint(const uint8_t bits[],
18  size_t bits_len,
19  const std::string& hash_name)
20  {
21  std::unique_ptr<HashFunction> hash_fn(HashFunction::create_or_throw(hash_name));
22  const std::string hex_hash = hex_encode(hash_fn->process(bits, bits_len));
23 
24  std::string fprint;
25 
26  for(size_t i = 0; i != hex_hash.size(); i += 2)
27  {
28  if(i != 0)
29  fprint.push_back(':');
30 
31  fprint.push_back(hex_hash[i]);
32  fprint.push_back(hex_hash[i+1]);
33  }
34 
35  return fprint;
36  }
37 
38 std::vector<uint8_t> Public_Key::subject_public_key() const
39  {
40  std::vector<uint8_t> output;
41 
45  .end_cons();
46 
47  return output;
48  }
49 
50 /*
51 * Default OID access
52 */
54  {
56  if(o.empty())
57  throw Lookup_Error("PK algo " + algo_name() + " has no defined OIDs");
58  return o;
59  }
60 
62  {
63  const size_t PKCS8_VERSION = 0;
64 
65  return DER_Encoder()
67  .encode(PKCS8_VERSION)
70  .end_cons()
71  .get_contents();
72  }
73 
74 /*
75 * Hash of the X.509 subjectPublicKey encoding
76 */
77 std::string Public_Key::fingerprint_public(const std::string& hash_algo) const
78  {
80  }
81 
82 /*
83 * Hash of the PKCS #8 encoding for this key object
84 */
85 std::string Private_Key::fingerprint_private(const std::string& hash_algo) const
86  {
88  }
89 
90 std::unique_ptr<PK_Ops::Encryption>
92  const std::string& /*params*/,
93  const std::string& /*provider*/) const
94  {
95  throw Lookup_Error(algo_name() + " does not support encryption");
96  }
97 
98 std::unique_ptr<PK_Ops::KEM_Encryption>
100  const std::string& /*params*/,
101  const std::string& /*provider*/) const
102  {
103  throw Lookup_Error(algo_name() + " does not support KEM encryption");
104  }
105 
106 std::unique_ptr<PK_Ops::Verification>
107 Public_Key::create_verification_op(const std::string& /*params*/,
108  const std::string& /*provider*/) const
109  {
110  throw Lookup_Error(algo_name() + " does not support verification");
111  }
112 
113 std::unique_ptr<PK_Ops::Decryption>
115  const std::string& /*params*/,
116  const std::string& /*provider*/) const
117  {
118  throw Lookup_Error(algo_name() + " does not support decryption");
119  }
120 
121 std::unique_ptr<PK_Ops::KEM_Decryption>
123  const std::string& /*params*/,
124  const std::string& /*provider*/) const
125  {
126  throw Lookup_Error(algo_name() + " does not support KEM decryption");
127  }
128 
129 std::unique_ptr<PK_Ops::Signature>
131  const std::string& /*params*/,
132  const std::string& /*provider*/) const
133  {
134  throw Lookup_Error(algo_name() + " does not support signatures");
135  }
136 
137 std::unique_ptr<PK_Ops::Key_Agreement>
139  const std::string& /*params*/,
140  const std::string& /*provider*/) const
141  {
142  throw Lookup_Error(algo_name() + " does not support key agreement");
143  }
144 
145 }
void hex_encode(char output[], const uint8_t input[], size_t input_length, bool uppercase)
Definition: hex.cpp:14
static std::unique_ptr< HashFunction > create_or_throw(const std::string &algo_spec, const std::string &provider="")
Definition: hash.cpp:344
virtual std::vector< uint8_t > public_key_bits() const =0
virtual AlgorithmIdentifier algorithm_identifier() const =0
virtual std::unique_ptr< PK_Ops::Signature > create_signature_op(RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:130
virtual secure_vector< uint8_t > private_key_bits() const =0
secure_vector< uint8_t > get_contents()
Definition: der_enc.cpp:152
virtual std::string algo_name() const =0
std::string fingerprint_public(const std::string &alg="SHA-256") const
Definition: pk_keys.cpp:77
virtual std::unique_ptr< PK_Ops::KEM_Decryption > create_kem_decryption_op(RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:122
BOTAN_UNSTABLE_API OID str2oid_or_empty(const std::string &name)
Definition: oids.cpp:116
DER_Encoder & end_cons()
Definition: der_enc.cpp:191
virtual std::unique_ptr< PK_Ops::KEM_Encryption > create_kem_encryption_op(RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:99
virtual std::unique_ptr< PK_Ops::Decryption > create_decryption_op(RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:114
std::string fingerprint_private(const std::string &alg) const
Definition: pk_keys.cpp:85
DER_Encoder & encode(bool b)
Definition: der_enc.cpp:285
secure_vector< uint8_t > private_key_info() const
Definition: pk_keys.cpp:61
virtual OID get_oid() const
Definition: pk_keys.cpp:53
bool empty() const
Definition: asn1_oid.h:59
Definition: alg_id.cpp:13
AlgorithmIdentifier hash_algo
Definition: x509_obj.cpp:22
std::string create_hex_fingerprint(const uint8_t bits[], size_t bits_len, const std::string &hash_name)
Definition: pk_keys.cpp:17
DER_Encoder & start_cons(ASN1_Tag type_tag, ASN1_Tag class_tag=UNIVERSAL)
Definition: der_enc.cpp:181
virtual std::unique_ptr< PK_Ops::Verification > create_verification_op(const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:107
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:65
virtual std::unique_ptr< PK_Ops::Encryption > create_encryption_op(RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:91
std::vector< uint8_t > subject_public_key() const
Definition: pk_keys.cpp:38
virtual AlgorithmIdentifier pkcs8_algorithm_identifier() const
Definition: pk_keys.h:205
virtual std::unique_ptr< PK_Ops::Key_Agreement > create_key_agreement_op(RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
Definition: pk_keys.cpp:138