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LibCrypto: Move all elliptic curve private methods into .cpp
All the elliptic curve implementations had a long list of private methods which were all stored in a single .cpp file. Now we simply use static methods instead.
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commit
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6 changed files with 171 additions and 220 deletions
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@ -12,34 +12,12 @@
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namespace Crypto::Curves {
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class X448 : public EllipticCurve {
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static constexpr u16 BITS = 448;
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static constexpr u8 BYTES = 56;
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static constexpr u8 WORDS = 14;
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static constexpr u32 A24 = 39082;
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public:
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size_t key_size() override { return BYTES; }
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size_t key_size() override { return 56; }
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ErrorOr<ByteBuffer> generate_private_key() override;
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ErrorOr<ByteBuffer> generate_public_key(ReadonlyBytes a) override;
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ErrorOr<ByteBuffer> compute_coordinate(ReadonlyBytes a, ReadonlyBytes b) override;
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ErrorOr<ByteBuffer> derive_premaster_key(ReadonlyBytes shared_point) override;
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private:
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static void import_state(u32* state, ReadonlyBytes data);
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static ErrorOr<ByteBuffer> export_state(u32* data);
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static void select(u32* state, u32* a, u32* b, u32 condition);
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static void set(u32* state, u32 value);
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static void copy(u32* state, u32* value);
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static void conditional_swap(u32* first, u32* second, u32 condition);
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static void modular_multiply_single(u32* state, u32* first, u32 second);
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static void modular_square(u32* state, u32* value);
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static void modular_multiply(u32* state, u32* first, u32* second);
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static void modular_add(u32* state, u32* first, u32* second);
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static void modular_subtract(u32* state, u32* first, u32* second);
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static void modular_reduce(u32* state, u32* data, u32 data_high);
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static void to_power_of_2n(u32* state, u32* value, u8 n);
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static void modular_multiply_inverse(u32* state, u32* value);
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};
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}
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