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diff --git a/src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.h b/src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.h
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+/*
+* ECDSA
+* (C) 2007 Falko Strenzke, FlexSecure GmbH
+* Manuel Hartl, FlexSecure GmbH
+* (C) 2008-2010 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_ECC_PUBLIC_KEY_BASE_H_
+#define BOTAN_ECC_PUBLIC_KEY_BASE_H_
+
+#include <botan/ec_group.h>
+#include <botan/pk_keys.h>
+
+namespace Botan {
+
+/**
+* This class represents abstract ECC public keys. When encoding a key
+* via an encoder that can be accessed via the corresponding member
+* functions, the key will decide upon its internally stored encoding
+* information whether to encode itself with or without domain
+* parameters, or using the domain parameter oid. Furthermore, a public
+* key without domain parameters can be decoded. In that case, it
+* cannot be used for verification until its domain parameters are set
+* by calling the corresponding member function.
+*/
+class BOTAN_PUBLIC_API(2,0) EC_PublicKey : public virtual Public_Key
+ {
+ public:
+ /**
+ * Create a public key.
+ * @param dom_par EC domain parameters
+ * @param pub_point public point on the curve
+ */
+ EC_PublicKey(const EC_Group& dom_par,
+ const PointGFp& pub_point);
+
+ /**
+ * Load a public key.
+ * @param alg_id the X.509 algorithm identifier
+ * @param key_bits DER encoded public key bits
+ */
+ EC_PublicKey(const AlgorithmIdentifier& alg_id,
+ const std::vector<uint8_t>& key_bits);
+
+ EC_PublicKey(const EC_PublicKey& other) = default;
+ EC_PublicKey& operator=(const EC_PublicKey& other) = default;
+ virtual ~EC_PublicKey() = default;
+
+ /**
+ * Get the public point of this key.
+ * @throw Invalid_State is thrown if the
+ * domain parameters of this point are not set
+ * @result the public point of this key
+ */
+ const PointGFp& public_point() const { return m_public_key; }
+
+ AlgorithmIdentifier algorithm_identifier() const override;
+
+ std::vector<uint8_t> public_key_bits() const override;
+
+ bool check_key(RandomNumberGenerator& rng,
+ bool strong) const override;
+
+ /**
+ * Get the domain parameters of this key.
+ * @throw Invalid_State is thrown if the
+ * domain parameters of this point are not set
+ * @result the domain parameters of this key
+ */
+ const EC_Group& domain() const { return m_domain_params; }
+
+ /**
+ * Set the domain parameter encoding to be used when encoding this key.
+ * @param enc the encoding to use
+ */
+ void set_parameter_encoding(EC_Group_Encoding enc);
+
+ /**
+ * Set the point encoding method to be used when encoding this key.
+ * @param enc the encoding to use
+ */
+ void set_point_encoding(PointGFp::Compression_Type enc);
+
+ /**
+ * Return the DER encoding of this keys domain in whatever format
+ * is preset for this particular key
+ */
+ std::vector<uint8_t> DER_domain() const
+ { return domain().DER_encode(domain_format()); }
+
+ /**
+ * Get the domain parameter encoding to be used when encoding this key.
+ * @result the encoding to use
+ */
+ EC_Group_Encoding domain_format() const
+ { return m_domain_encoding; }
+
+ /**
+ * Get the point encoding method to be used when encoding this key.
+ * @result the encoding to use
+ */
+ PointGFp::Compression_Type point_encoding() const
+ { return m_point_encoding; }
+
+ size_t key_length() const override;
+ size_t estimated_strength() const override;
+
+ protected:
+ EC_PublicKey() : m_domain_params{}, m_public_key{}, m_domain_encoding(EC_DOMPAR_ENC_EXPLICIT)
+ {}
+
+ EC_Group m_domain_params;
+ PointGFp m_public_key;
+ EC_Group_Encoding m_domain_encoding;
+ PointGFp::Compression_Type m_point_encoding = PointGFp::UNCOMPRESSED;
+ };
+
+/**
+* This abstract class represents ECC private keys
+*/
+class BOTAN_PUBLIC_API(2,0) EC_PrivateKey : public virtual EC_PublicKey,
+ public virtual Private_Key
+ {
+ public:
+ /*
+ * If x=0, creates a new private key in the domain
+ * using the given rng. If with_modular_inverse is set,
+ * the public key will be calculated by multiplying
+ * the base point with the modular inverse of
+ * x (as in ECGDSA and ECKCDSA), otherwise by
+ * multiplying directly with x (as in ECDSA).
+ */
+ EC_PrivateKey(RandomNumberGenerator& rng,
+ const EC_Group& domain,
+ const BigInt& x,
+ bool with_modular_inverse=false);
+
+ /*
+ * Creates a new private key object from the
+ * ECPrivateKey structure given in key_bits.
+ * If with_modular_inverse is set,
+ * the public key will be calculated by multiplying
+ * the base point with the modular inverse of
+ * x (as in ECGDSA and ECKCDSA), otherwise by
+ * multiplying directly with x (as in ECDSA).
+ */
+ EC_PrivateKey(const AlgorithmIdentifier& alg_id,
+ const secure_vector<uint8_t>& key_bits,
+ bool with_modular_inverse=false);
+
+ secure_vector<uint8_t> private_key_bits() const override;
+
+ /**
+ * Get the private key value of this key object.
+ * @result the private key value of this key object
+ */
+ const BigInt& private_value() const;
+
+ EC_PrivateKey(const EC_PrivateKey& other) = default;
+ EC_PrivateKey& operator=(const EC_PrivateKey& other) = default;
+ ~EC_PrivateKey() = default;
+ protected:
+ EC_PrivateKey() = default;
+
+ BigInt m_private_key;
+ };
+
+}
+
+#endif