/src/botan/build/include/botan/internal/emsa_pkcs1.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * PKCS #1 v1.5 signature padding |
3 | | * (C) 1999-2008 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_EMSA_PKCS1_H_ |
9 | | #define BOTAN_EMSA_PKCS1_H_ |
10 | | |
11 | | #include <botan/internal/emsa.h> |
12 | | #include <botan/hash.h> |
13 | | |
14 | | namespace Botan { |
15 | | |
16 | | /** |
17 | | * PKCS #1 v1.5 signature padding |
18 | | * aka PKCS #1 block type 1 |
19 | | * aka EMSA3 from IEEE 1363 |
20 | | */ |
21 | | class EMSA_PKCS1v15 final : public EMSA |
22 | | { |
23 | | public: |
24 | | /** |
25 | | * @param hash the hash function to use |
26 | | */ |
27 | | explicit EMSA_PKCS1v15(std::unique_ptr<HashFunction> hash); |
28 | | |
29 | | std::unique_ptr<EMSA> new_object() override |
30 | 0 | { |
31 | 0 | return std::make_unique<EMSA_PKCS1v15>(m_hash->new_object()); |
32 | 0 | } |
33 | | |
34 | | void update(const uint8_t[], size_t) override; |
35 | | |
36 | | secure_vector<uint8_t> raw_data() override; |
37 | | |
38 | | secure_vector<uint8_t> encoding_of(const secure_vector<uint8_t>&, size_t, |
39 | | RandomNumberGenerator& rng) override; |
40 | | |
41 | | bool verify(const secure_vector<uint8_t>&, const secure_vector<uint8_t>&, |
42 | | size_t) override; |
43 | | |
44 | | std::string name() const override |
45 | 0 | { return "EMSA3(" + m_hash->name() + ")"; } |
46 | | |
47 | | AlgorithmIdentifier config_for_x509(const Private_Key& key, |
48 | | const std::string& cert_hash_name) const override; |
49 | | |
50 | 0 | bool requires_message_recovery() const override { return true; } |
51 | | private: |
52 | | std::unique_ptr<HashFunction> m_hash; |
53 | | std::vector<uint8_t> m_hash_id; |
54 | | }; |
55 | | |
56 | | /** |
57 | | * EMSA_PKCS1v15_Raw which is EMSA_PKCS1v15 without a hash or digest id |
58 | | * (which according to QCA docs is "identical to PKCS#11's CKM_RSA_PKCS |
59 | | * mechanism", something I have not confirmed) |
60 | | */ |
61 | | class EMSA_PKCS1v15_Raw final : public EMSA |
62 | | { |
63 | | public: |
64 | 0 | std::unique_ptr<EMSA> new_object() override { return std::make_unique<EMSA_PKCS1v15_Raw>(); } |
65 | | |
66 | | void update(const uint8_t[], size_t) override; |
67 | | |
68 | | secure_vector<uint8_t> raw_data() override; |
69 | | |
70 | | secure_vector<uint8_t> encoding_of(const secure_vector<uint8_t>&, size_t, |
71 | | RandomNumberGenerator& rng) override; |
72 | | |
73 | | bool verify(const secure_vector<uint8_t>&, const secure_vector<uint8_t>&, |
74 | | size_t) override; |
75 | | |
76 | | EMSA_PKCS1v15_Raw(); |
77 | | |
78 | | /** |
79 | | * @param hash_algo t he digest id for that hash is included in |
80 | | * the signature. |
81 | | */ |
82 | | EMSA_PKCS1v15_Raw(const std::string& hash_algo); |
83 | | |
84 | | std::string name() const override |
85 | 0 | { |
86 | 0 | if(m_hash_name.empty()) return "EMSA3(Raw)"; |
87 | 0 | else return "EMSA3(Raw," + m_hash_name + ")"; |
88 | 0 | } |
89 | | |
90 | 0 | bool requires_message_recovery() const override { return true; } |
91 | | private: |
92 | | size_t m_hash_output_len = 0; |
93 | | std::string m_hash_name; |
94 | | std::vector<uint8_t> m_hash_id; |
95 | | secure_vector<uint8_t> m_message; |
96 | | }; |
97 | | |
98 | | } |
99 | | |
100 | | #endif |