testing

Elliptic-Curve-Cryptography/include/ecc.h

@@ -0,0 +1,35 @@
+#ifndef ECC_H
+#define ECC_H
+
+#include <stdint.h>
+
+// Struct for representing a point on the elliptic curve
+typedef struct {
+    uint64_t x;
+    uint64_t y;
+} ECPoint;
+
+// Define an elliptic curve
+typedef struct {
+    uint64_t a;
+    uint64_t b;
+    uint64_t p;  // Prime modulus
+    ECPoint generator;  // Generator point
+    uint64_t n;  // Order of the curve
+} EllipticCurve;
+
+// Key pair
+typedef struct {
+    uint64_t private_key;
+    ECPoint public_key;
+} ECCKeyPair;
+
+// Function declarations
+ECPoint ecc_point_add(ECPoint P, ECPoint Q, EllipticCurve curve);
+ECPoint ecc_point_double(ECPoint P, EllipticCurve curve);
+ECPoint ecc_scalar_mult(uint64_t k, ECPoint P, EllipticCurve curve);
+ECCKeyPair ecc_generate_keypair(EllipticCurve curve);
+void ecc_encrypt(uint64_t plaintext, ECPoint public_key, EllipticCurve curve, ECPoint *C1, uint64_t *C2);
+uint64_t ecc_decrypt(ECPoint C1, uint64_t C2, uint64_t private_key, EllipticCurve curve);
+
+#endif