13579810322

Committed 28 Feb 2025 02:06AM UTC coverage: 91.693% (-0.005%) from 91.698%

Build # 13579810322

Build Type

Pull #4724

github

Committed by

web-flow

Commit Message

Merge 068727df0 into 0e7c06384

Pull Request Pull Request #4724: Cleanups and deprecations for key agreement

Run Details

95849 of 104533 relevant lines covered (91.69%)

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81.82

/src/lib/pubkey/curve448/x448/x448.h

/*
* X448
* (C) 2024 Jack Lloyd
*     2024 Fabian Albert - Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_X448_H_
#define BOTAN_X448_H_

#include <botan/pk_keys.h>

#include <array>

namespace Botan {
/**
 * @brief A public key for the X448 key agreement scheme according to RFC 7748.
 */
class BOTAN_PUBLIC_API(3, 4) X448_PublicKey : public virtual Public_Key {
   public:
      /**
      * Create a X448 Public Key.
      * @param alg_id the X.509 algorithm identifier
      * @param key_bits DER encoded public key bits
      */
      X448_PublicKey(const AlgorithmIdentifier& alg_id, std::span<const uint8_t> key_bits);

      /**
      * Create a X448 Public Key.
      * @param pub 56-byte raw public key
      */
      explicit X448_PublicKey(std::span<const uint8_t> pub);

      std::string algo_name() const override { return "X448"; }

      size_t estimated_strength() const override { return 224; }

      size_t key_length() const override { return 448; }

      bool check_key(RandomNumberGenerator& rng, bool strong) const override;

      AlgorithmIdentifier algorithm_identifier() const override;

      BOTAN_DEPRECATED("Use raw_public_key_bits") std::vector<uint8_t> public_value() const {
         return raw_public_key_bits();
      }

      std::vector<uint8_t> raw_public_key_bits() const override;

      std::vector<uint8_t> public_key_bits() const override;

      bool supports_operation(PublicKeyOperation op) const override { return (op == PublicKeyOperation::KeyAgreement); }

      std::unique_ptr<Private_Key> generate_another(RandomNumberGenerator& rng) const final;

   protected:
      X448_PublicKey() = default;
      std::array<uint8_t, 56> m_public;
};

BOTAN_DIAGNOSTIC_PUSH
BOTAN_DIAGNOSTIC_IGNORE_INHERITED_VIA_DOMINANCE

/**
 * @brief A private key for the X448 key agreement scheme according to RFC 7748.
 */
class BOTAN_PUBLIC_API(3, 4) X448_PrivateKey final : public X448_PublicKey,
                                                     public virtual Private_Key,
                                                     public virtual PK_Key_Agreement_Key {
   public:
      /**
      * Construct a private key from the specified parameters.
      * @param alg_id the X.509 algorithm identifier
      * @param key_bits PKCS #8 structure
      */
      X448_PrivateKey(const AlgorithmIdentifier& alg_id, std::span<const uint8_t> key_bits);

      /**
      * Generate a private key.
      * @param rng the RNG to use
      */
      explicit X448_PrivateKey(RandomNumberGenerator& rng);

      /**
      * Construct a private key from the specified parameters.
      * @param secret_key the private key
      */
      explicit X448_PrivateKey(std::span<const uint8_t> secret_key);

      std::vector<uint8_t> public_value() const override { return raw_public_key_bits(); }

      secure_vector<uint8_t> raw_private_key_bits() const override { return {m_private.begin(), m_private.end()}; }

      secure_vector<uint8_t> private_key_bits() const override;

      std::unique_ptr<Public_Key> public_key() const override;

      bool check_key(RandomNumberGenerator& rng, bool strong) const override;

      std::unique_ptr<PK_Ops::Key_Agreement> create_key_agreement_op(RandomNumberGenerator& rng,
                                                                     std::string_view params,
                                                                     std::string_view provider) const override;

   private:
      secure_vector<uint8_t> m_private;
};

BOTAN_DIAGNOSTIC_POP

}  // namespace Botan

#endif

1	/*
2	* X448
3	* (C) 2024 Jack Lloyd
4	* 2024 Fabian Albert - Rohde & Schwarz Cybersecurity
5	*
6	* Botan is released under the Simplified BSD License (see license.txt)
7	*/
8	#ifndef BOTAN_X448_H_
9	#define BOTAN_X448_H_
10
11	#include <botan/pk_keys.h>
12
13	#include <array>
14
15	namespace Botan {
16	/**
17	* @brief A public key for the X448 key agreement scheme according to RFC 7748.
18	*/
19	class BOTAN_PUBLIC_API(3, 4) X448_PublicKey : public virtual Public_Key {	×
20	public:
21	/**
22	* Create a X448 Public Key.
23	* @param alg_id the X.509 algorithm identifier
24	* @param key_bits DER encoded public key bits
25	*/
26	X448_PublicKey(const AlgorithmIdentifier& alg_id, std::span<const uint8_t> key_bits);
27
28	/**
29	* Create a X448 Public Key.
30	* @param pub 56-byte raw public key
31	*/
32	explicit X448_PublicKey(std::span<const uint8_t> pub);
33
34	std::string algo_name() const override { return "X448"; }	1,548✔
35
36	size_t estimated_strength() const override { return 224; }	6✔
37
38	size_t key_length() const override { return 448; }	4✔
39
40	bool check_key(RandomNumberGenerator& rng, bool strong) const override;
41
42	AlgorithmIdentifier algorithm_identifier() const override;
43
44	BOTAN_DEPRECATED("Use raw_public_key_bits") std::vector<uint8_t> public_value() const {	2✔
45	return raw_public_key_bits();	2✔
46	}
47
48	std::vector<uint8_t> raw_public_key_bits() const override;
49
50	std::vector<uint8_t> public_key_bits() const override;
51
52	bool supports_operation(PublicKeyOperation op) const override { return (op == PublicKeyOperation::KeyAgreement); }	499✔
53
54	std::unique_ptr<Private_Key> generate_another(RandomNumberGenerator& rng) const final;
55
56	protected:
57	X448_PublicKey() = default;	515✔
58	std::array<uint8_t, 56> m_public;
59	};
60
61	BOTAN_DIAGNOSTIC_PUSH
62	BOTAN_DIAGNOSTIC_IGNORE_INHERITED_VIA_DOMINANCE
63
64	/**
65	* @brief A private key for the X448 key agreement scheme according to RFC 7748.
66	*/
67	class BOTAN_PUBLIC_API(3, 4) X448_PrivateKey final : public X448_PublicKey,	×
68	public virtual Private_Key,
69	public virtual PK_Key_Agreement_Key {
70	public:
71	/**
72	* Construct a private key from the specified parameters.
73	* @param alg_id the X.509 algorithm identifier
74	* @param key_bits PKCS #8 structure
75	*/
76	X448_PrivateKey(const AlgorithmIdentifier& alg_id, std::span<const uint8_t> key_bits);
77
78	/**
79	* Generate a private key.
80	* @param rng the RNG to use
81	*/
82	explicit X448_PrivateKey(RandomNumberGenerator& rng);
83
84	/**
85	* Construct a private key from the specified parameters.
86	* @param secret_key the private key
87	*/
88	explicit X448_PrivateKey(std::span<const uint8_t> secret_key);
89
90	std::vector<uint8_t> public_value() const override { return raw_public_key_bits(); }	12✔
91
92	secure_vector<uint8_t> raw_private_key_bits() const override { return {m_private.begin(), m_private.end()}; }	1✔
93
94	secure_vector<uint8_t> private_key_bits() const override;
95
96	std::unique_ptr<Public_Key> public_key() const override;
97
98	bool check_key(RandomNumberGenerator& rng, bool strong) const override;
99
100	std::unique_ptr<PK_Ops::Key_Agreement> create_key_agreement_op(RandomNumberGenerator& rng,
101	std::string_view params,
102	std::string_view provider) const override;
103
104	private:
105	secure_vector<uint8_t> m_private;
106	};
107
108	BOTAN_DIAGNOSTIC_POP
109
110	} // namespace Botan
111
112	#endif

randombit / botan / 13579810322

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