#ifndef _CRYTO_ECC_CURVE_DEFS_H
  #define _CRYTO_ECC_CURVE_DEFS_H
  
  struct ecc_point {
  	u64 *x;
  	u64 *y;
  	u8 ndigits;
  };
  
  struct ecc_curve {
  	char *name;
  	struct ecc_point g;
  	u64 *p;
  	u64 *n;
  };
  
  /* NIST P-192 */
  static u64 nist_p192_g_x[] = { 0xF4FF0AFD82FF1012ull, 0x7CBF20EB43A18800ull,
  				0x188DA80EB03090F6ull };
  static u64 nist_p192_g_y[] = { 0x73F977A11E794811ull, 0x631011ED6B24CDD5ull,
  				0x07192B95FFC8DA78ull };
  static u64 nist_p192_p[] = { 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFEull,
  				0xFFFFFFFFFFFFFFFFull };
  static u64 nist_p192_n[] = { 0x146BC9B1B4D22831ull, 0xFFFFFFFF99DEF836ull,
  				0xFFFFFFFFFFFFFFFFull };
  static struct ecc_curve nist_p192 = {
  	.name = "nist_192",
  	.g = {
  		.x = nist_p192_g_x,
  		.y = nist_p192_g_y,
  		.ndigits = 3,
  	},
  	.p = nist_p192_p,
  	.n = nist_p192_n
  };
  
  /* NIST P-256 */
  static u64 nist_p256_g_x[] = { 0xF4A13945D898C296ull, 0x77037D812DEB33A0ull,
  				0xF8BCE6E563A440F2ull, 0x6B17D1F2E12C4247ull };
  static u64 nist_p256_g_y[] = { 0xCBB6406837BF51F5ull, 0x2BCE33576B315ECEull,
  				0x8EE7EB4A7C0F9E16ull, 0x4FE342E2FE1A7F9Bull };
  static u64 nist_p256_p[] = { 0xFFFFFFFFFFFFFFFFull, 0x00000000FFFFFFFFull,
  				0x0000000000000000ull, 0xFFFFFFFF00000001ull };
  static u64 nist_p256_n[] = { 0xF3B9CAC2FC632551ull, 0xBCE6FAADA7179E84ull,
  				0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFF00000000ull };
  static struct ecc_curve nist_p256 = {
  	.name = "nist_256",
  	.g = {
  		.x = nist_p256_g_x,
  		.y = nist_p256_g_y,
  		.ndigits = 4,
  	},
  	.p = nist_p256_p,
  	.n = nist_p256_n
  };
  
  #endif