Coverage Report

Created: 2022-01-14 08:07

/src/botan/build/include/botan/dsa.h
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/*
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* DSA
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* (C) 1999-2010 Jack Lloyd
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*
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* Botan is released under the Simplified BSD License (see license.txt)
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*/
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#ifndef BOTAN_DSA_H_
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#define BOTAN_DSA_H_
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#include <botan/dl_algo.h>
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namespace Botan {
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/**
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* DSA Public Key
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*/
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class BOTAN_PUBLIC_API(2,0) DSA_PublicKey : public virtual DL_Scheme_PublicKey
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   {
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   public:
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      std::string algo_name() const override { return "DSA"; }
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      DL_Group_Format group_format() const override { return DL_Group_Format::ANSI_X9_57; }
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      size_t message_parts() const override { return 2; }
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      size_t message_part_size() const override { return group_q().bytes(); }
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      /**
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      * Load a public key.
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      * @param alg_id the X.509 algorithm identifier
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      * @param key_bits DER encoded public key bits
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      */
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      DSA_PublicKey(const AlgorithmIdentifier& alg_id,
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                    const std::vector<uint8_t>& key_bits) :
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         DL_Scheme_PublicKey(alg_id, key_bits, DL_Group_Format::ANSI_X9_57)
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         {
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         }
Botan::DSA_PublicKey::DSA_PublicKey(Botan::AlgorithmIdentifier const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&)
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         {
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         }
Unexecuted instantiation: Botan::DSA_PublicKey::DSA_PublicKey(Botan::AlgorithmIdentifier const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&)
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      /**
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      * Create a public key.
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      * @param group the underlying DL group
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      * @param y the public value y = g^x mod p
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      */
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      DSA_PublicKey(const DL_Group& group, const BigInt& y);
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      std::unique_ptr<PK_Ops::Verification>
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         create_verification_op(const std::string& params,
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                                const std::string& provider) const override;
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   protected:
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      DSA_PublicKey() = default;
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   };
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/**
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* DSA Private Key
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*/
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class BOTAN_PUBLIC_API(2,0) DSA_PrivateKey final : public DSA_PublicKey,
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                                 public virtual DL_Scheme_PrivateKey
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   {
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   public:
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      /**
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      * Load a private key.
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      * @param alg_id the X.509 algorithm identifier
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      * @param key_bits DER encoded key bits in ANSI X9.57 format
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      */
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      DSA_PrivateKey(const AlgorithmIdentifier& alg_id,
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                     const secure_vector<uint8_t>& key_bits);
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      /**
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      * Create a private key.
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      * @param rng the RNG to use
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      * @param group the underlying DL group
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      * @param private_key the private key (if zero, a new random key is generated)
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      */
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      DSA_PrivateKey(RandomNumberGenerator& rng,
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                     const DL_Group& group,
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                     const BigInt& private_key = BigInt::zero());
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      std::unique_ptr<Public_Key> public_key() const override;
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      bool check_key(RandomNumberGenerator& rng, bool strong) const override;
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      std::unique_ptr<PK_Ops::Signature>
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         create_signature_op(RandomNumberGenerator& rng,
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                             const std::string& params,
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                             const std::string& provider) const override;
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   };
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}
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#endif