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	Fix the b value to be compliant with FIPS 186-4 D.1.2.1. This fix is required to make sure the SP800-56A public key test passes for P-192. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
		
			
				
	
	
		
			72 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _CRYTO_ECC_CURVE_DEFS_H
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#define _CRYTO_ECC_CURVE_DEFS_H
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struct ecc_point {
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	u64 *x;
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	u64 *y;
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	u8 ndigits;
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};
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struct ecc_curve {
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	char *name;
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	struct ecc_point g;
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	u64 *p;
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	u64 *n;
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	u64 *a;
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	u64 *b;
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};
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/* NIST P-192: a = p - 3 */
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static u64 nist_p192_g_x[] = { 0xF4FF0AFD82FF1012ull, 0x7CBF20EB43A18800ull,
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				0x188DA80EB03090F6ull };
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static u64 nist_p192_g_y[] = { 0x73F977A11E794811ull, 0x631011ED6B24CDD5ull,
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				0x07192B95FFC8DA78ull };
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static u64 nist_p192_p[] = { 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFEull,
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				0xFFFFFFFFFFFFFFFFull };
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static u64 nist_p192_n[] = { 0x146BC9B1B4D22831ull, 0xFFFFFFFF99DEF836ull,
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				0xFFFFFFFFFFFFFFFFull };
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static u64 nist_p192_a[] = { 0xFFFFFFFFFFFFFFFCull, 0xFFFFFFFFFFFFFFFEull,
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				0xFFFFFFFFFFFFFFFFull };
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static u64 nist_p192_b[] = { 0xFEB8DEECC146B9B1ull, 0x0FA7E9AB72243049ull,
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				0x64210519E59C80E7ull };
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static struct ecc_curve nist_p192 = {
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	.name = "nist_192",
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	.g = {
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		.x = nist_p192_g_x,
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		.y = nist_p192_g_y,
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		.ndigits = 3,
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	},
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	.p = nist_p192_p,
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	.n = nist_p192_n,
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	.a = nist_p192_a,
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	.b = nist_p192_b
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};
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/* NIST P-256: a = p - 3 */
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static u64 nist_p256_g_x[] = { 0xF4A13945D898C296ull, 0x77037D812DEB33A0ull,
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				0xF8BCE6E563A440F2ull, 0x6B17D1F2E12C4247ull };
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static u64 nist_p256_g_y[] = { 0xCBB6406837BF51F5ull, 0x2BCE33576B315ECEull,
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				0x8EE7EB4A7C0F9E16ull, 0x4FE342E2FE1A7F9Bull };
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static u64 nist_p256_p[] = { 0xFFFFFFFFFFFFFFFFull, 0x00000000FFFFFFFFull,
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				0x0000000000000000ull, 0xFFFFFFFF00000001ull };
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static u64 nist_p256_n[] = { 0xF3B9CAC2FC632551ull, 0xBCE6FAADA7179E84ull,
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				0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFF00000000ull };
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static u64 nist_p256_a[] = { 0xFFFFFFFFFFFFFFFCull, 0x00000000FFFFFFFFull,
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				0x0000000000000000ull, 0xFFFFFFFF00000001ull };
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static u64 nist_p256_b[] = { 0x3BCE3C3E27D2604Bull, 0x651D06B0CC53B0F6ull,
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				0xB3EBBD55769886BCull, 0x5AC635D8AA3A93E7ull };
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static struct ecc_curve nist_p256 = {
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	.name = "nist_256",
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	.g = {
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		.x = nist_p256_g_x,
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		.y = nist_p256_g_y,
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		.ndigits = 4,
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	},
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	.p = nist_p256_p,
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	.n = nist_p256_n,
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	.a = nist_p256_a,
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	.b = nist_p256_b
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};
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#endif
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