password_hashing.h

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#ifndef CPPSECURITY_PASSWORD_HASHING_H
#define CPPSECURITY_PASSWORD_HASHING_H
 
#include "password.h"
 
namespace CppSecurity {
 
 
class PasswordHashing
{
public:
 
    PasswordHashing(size_t hash_length = 32, size_t salt_length = 32);
    PasswordHashing(const PasswordHashing&) = default;
    PasswordHashing(PasswordHashing&&) = default;
    virtual ~PasswordHashing() = default;
 
    PasswordHashing& operator=(const PasswordHashing&) = default;
    PasswordHashing& operator=(PasswordHashing&&) = default;
 
    size_t hash_length() const noexcept { return _hash_length; }
    size_t salt_length() const noexcept { return _salt_length; }
 
    virtual const std::string& name() const = 0;
 
 
    virtual std::string GenerateSalt() const;
 
 
    virtual std::pair<std::string, std::string> GenerateHashAndSalt(std::string_view password) const;
 
 
    virtual std::string GenerateHash(std::string_view password, std::string_view salt) const = 0;
 
 
    virtual std::string GenerateDigest(std::string_view password) const;
 
 
    virtual std::string GenerateEncodedDigest(std::string_view password) const;
 
 
    virtual bool Validate(std::string_view password, std::string_view hash, std::string_view salt) const = 0;
 
 
    virtual bool ValidateDigest(std::string_view password, std::string_view digest) const;
 
 
    virtual bool ValidateEncodedDigest(std::string_view password, std::string_view digest) const;
 
private:
    size_t _hash_length;
    size_t _salt_length;
};
 
} // namespace CppSecurity
 
#endif // CPPSECURITY_PASSWORD_HASHING_H