/src/botan/build/include/botan/dh.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Diffie-Hellman |
3 | | * (C) 1999-2007 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_DIFFIE_HELLMAN_H_ |
9 | | #define BOTAN_DIFFIE_HELLMAN_H_ |
10 | | |
11 | | #include <botan/dl_algo.h> |
12 | | |
13 | | namespace Botan { |
14 | | |
15 | | /** |
16 | | * This class represents Diffie-Hellman public keys. |
17 | | */ |
18 | | class BOTAN_PUBLIC_API(2,0) DH_PublicKey : public virtual DL_Scheme_PublicKey |
19 | | { |
20 | | public: |
21 | 3 | std::string algo_name() const override { return "DH"; } |
22 | | |
23 | | std::vector<uint8_t> public_value() const; |
24 | | |
25 | 0 | DL_Group_Format group_format() const override { return DL_Group_Format::ANSI_X9_42; } |
26 | | |
27 | | /** |
28 | | * Create a public key. |
29 | | * @param alg_id the X.509 algorithm identifier |
30 | | * @param key_bits DER encoded public key bits |
31 | | */ |
32 | | DH_PublicKey(const AlgorithmIdentifier& alg_id, |
33 | | const std::vector<uint8_t>& key_bits) : |
34 | 47 | DL_Scheme_PublicKey(alg_id, key_bits, DL_Group_Format::ANSI_X9_42) {} Botan::DH_PublicKey::DH_PublicKey(Botan::AlgorithmIdentifier const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&) Line | Count | Source | 34 | 47 | DL_Scheme_PublicKey(alg_id, key_bits, DL_Group_Format::ANSI_X9_42) {} |
Unexecuted instantiation: Botan::DH_PublicKey::DH_PublicKey(Botan::AlgorithmIdentifier const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&) |
35 | | |
36 | | /** |
37 | | * Construct a public key with the specified parameters. |
38 | | * @param grp the DL group to use in the key |
39 | | * @param y the public value y |
40 | | */ |
41 | | DH_PublicKey(const DL_Group& grp, const BigInt& y); |
42 | | protected: |
43 | 40 | DH_PublicKey() = default; |
44 | | }; |
45 | | |
46 | | /** |
47 | | * This class represents Diffie-Hellman private keys. |
48 | | */ |
49 | | class BOTAN_PUBLIC_API(2,0) DH_PrivateKey final : public DH_PublicKey, |
50 | | public PK_Key_Agreement_Key, |
51 | | public virtual DL_Scheme_PrivateKey |
52 | | { |
53 | | public: |
54 | | std::vector<uint8_t> public_value() const override; |
55 | | |
56 | | /** |
57 | | * Load a private key. |
58 | | * @param alg_id the X.509 algorithm identifier |
59 | | * @param key_bits PKCS #8 structure |
60 | | */ |
61 | | DH_PrivateKey(const AlgorithmIdentifier& alg_id, |
62 | | const secure_vector<uint8_t>& key_bits); |
63 | | |
64 | | /** |
65 | | * Create a private key. |
66 | | * @param rng random number generator to use |
67 | | * @param grp the group to be used in the key |
68 | | * @param x the key's secret value (or if zero, generate a new key) |
69 | | */ |
70 | | DH_PrivateKey(RandomNumberGenerator& rng, const DL_Group& grp, |
71 | | const BigInt& x = BigInt::zero()); |
72 | | |
73 | | std::unique_ptr<Public_Key> public_key() const override; |
74 | | |
75 | | std::unique_ptr<PK_Ops::Key_Agreement> |
76 | | create_key_agreement_op(RandomNumberGenerator& rng, |
77 | | const std::string& params, |
78 | | const std::string& provider) const override; |
79 | | }; |
80 | | |
81 | | } |
82 | | |
83 | | #endif |