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* ECKCDSA (ISO/IEC 14888-3:2006/Cor.2:2009)
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* (C) 2016 René Korthaus, Sirrix AG
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* Botan is released under the Simplified BSD License (see license.txt)
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#ifndef BOTAN_ECKCDSA_KEY_H_
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#define BOTAN_ECKCDSA_KEY_H_
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#include <botan/ecc_key.h>
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* This class represents ECKCDSA public keys.
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class BOTAN_PUBLIC_API(2,0) ECKCDSA_PublicKey : public virtual EC_PublicKey
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* Construct a public key from a given public point.
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* @param dom_par the domain parameters associated with this key
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* @param public_point the public point defining this key
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ECKCDSA_PublicKey(const EC_Group& dom_par,
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const PointGFp& public_point) :
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EC_PublicKey(dom_par, public_point) {}
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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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ECKCDSA_PublicKey(const AlgorithmIdentifier& alg_id,
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const std::vector<uint8_t>& key_bits) :
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EC_PublicKey(alg_id, key_bits) {}
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* Get this keys algorithm name.
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* @result this keys algorithm name ("ECGDSA")
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std::string algo_name() const override { return "ECKCDSA"; }
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size_t message_parts() const override { return 2; }
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size_t message_part_size() const override
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{ return domain().get_order().bytes(); }
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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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ECKCDSA_PublicKey() = default;
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* This class represents ECKCDSA private keys.
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class BOTAN_PUBLIC_API(2,0) ECKCDSA_PrivateKey final : public ECKCDSA_PublicKey,
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* @param alg_id the X.509 algorithm identifier
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* @param key_bits ECPrivateKey bits
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ECKCDSA_PrivateKey(const AlgorithmIdentifier& alg_id,
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const secure_vector<uint8_t>& key_bits) :
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EC_PrivateKey(alg_id, key_bits, true) {}
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* Create a private key.
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* @param rng a random number generator
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* @param domain parameters to used for this key
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* @param x the private key (if zero, generate a new random key)
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ECKCDSA_PrivateKey(RandomNumberGenerator& rng,
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const EC_Group& domain,
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const BigInt& x = 0) :
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EC_PrivateKey(rng, domain, x, true) {}
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bool check_key(RandomNumberGenerator& rng, bool) 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;