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Bfv API update

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York Jasper Niebuhr 2025-11-22 22:46:38 +01:00
parent 5ad59651bc
commit 36c9ab36cf
1 changed files with 26 additions and 22 deletions
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48
include/bfv.hpp
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@ -42,33 +42,37 @@ struct plaintext {
using ciphertext = int;
// TODO -> Exception with enum that differentiates reason (e.g. CONTEXT_NO_PRIVATE)
// Inheriting from context class allows pluggability of implementations (e.g. SEAL vs. GPU)
class context {
public:
context(const context& other) = delete;
context(context&& other) noexcept;
context& operator=(const context& other) = delete;
context& operator=(context&& other) noexcept;
struct context {
static constexpr int PUBLIC_COMPONENT = 1;
static constexpr int PRIVATE_COMPONENT = 2;
context();
virtual ~context();
virtual bool allocate(ciphertext& ct) = 0;
virtual bool free(ciphertext ct) = 0;
virtual bool serialize(ciphertext ct, void* buf, std::size_t& n) = 0;
virtual bool deserialize(ciphertext ct, const void* buf, std::size_t n) = 0;
virtual bool encrypt(const plaintext& pt, ciphertext ct) = 0;
virtual bool decrypt(ciphertext ct, plaintext& pt) = 0;
virtual bool add_cipher_plain(ciphertext a, const plaintext& b, ciphertext res) = 0;
virtual bool add_cipher_cipher(ciphertext a, ciphertext b, ciphertext res) = 0;
virtual bool sub_cipher_plain(ciphertext a, const plaintext& b, ciphertext res) = 0;
virtual bool sub_cipher_cipher(ciphertext a, ciphertext b, ciphertext res) = 0;
virtual bool mul_cipher_plain(ciphertext a, const plaintext& b, ciphertext res) = 0;
virtual bool mul_cipher_cipher(ciphertext a, ciphertext b, ciphertext res) = 0;
virtual bool rot_cipher_rows(ciphertext ct, int r, ciphertext res) = 0;
virtual bool swap_cipher_rows(ciphertext ct, ciphertext res) = 0;
virtual bool noise_budget(ciphertext ct, std::size_t& budget) = 0;
virtual void new_components(int components) = 0; // context default constructs empty
virtual void has_components(int components) const = 0;
virtual void clone_components(int components, std::shared_ptr<context>& ptr) const = 0;
// virtual void dump_components(int components, void* buf, std::size_t& n) const = 0;
// virtual void load_components(int components, const void* buf, std::size_t n) = 0;
virtual void allocate(ciphertext& ct) = 0;
virtual void free(ciphertext ct) = 0;
virtual void serialize(ciphertext ct, void* buf, std::size_t& n) const = 0;
virtual void deserialize(ciphertext ct, const void* buf, std::size_t n) const = 0;
virtual void encrypt(const plaintext& pt, ciphertext ct) const = 0;
virtual void decrypt(ciphertext ct, plaintext& pt) const = 0; // private
virtual void add_cipher_plain(ciphertext a, const plaintext& b, ciphertext res) const = 0;
virtual void add_cipher_cipher(ciphertext a, ciphertext b, ciphertext res) const = 0;
virtual void sub_cipher_plain(ciphertext a, const plaintext& b, ciphertext res) const = 0;
virtual void sub_cipher_cipher(ciphertext a, ciphertext b, ciphertext res) const = 0;
virtual void mul_cipher_plain(ciphertext a, const plaintext& b, ciphertext res) const = 0;
virtual void mul_cipher_cipher(ciphertext a, ciphertext b, ciphertext res) const = 0;
virtual void rot_cipher_rows(ciphertext ct, int r, ciphertext res) const = 0;
virtual void swap_cipher_rows(ciphertext ct, ciphertext res) const = 0;
virtual void noise_budget(ciphertext ct, std::size_t& budget) const = 0; // private
};
/*