Delete bundled copy of NSS and replace with README.

nss/lib/freebl/ecl/ecp_384.c

Index: nss/lib/freebl/ecl/ecp_384.c
diff --git a/nss/lib/freebl/ecl/ecp_384.c b/nss/lib/freebl/ecl/ecp_384.c
deleted file mode 100644
index 4c1e85e3bacc2c310085da1565446ea9cbd2371e..0000000000000000000000000000000000000000
--- a/nss/lib/freebl/ecl/ecp_384.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "ecp.h"
-#include "mpi.h"
-#include "mplogic.h"
-#include "mpi-priv.h"
-
-/* Fast modular reduction for p384 = 2^384 - 2^128 - 2^96 + 2^32 - 1.  a can be r. 
- * Uses algorithm 2.30 from Hankerson, Menezes, Vanstone. Guide to 
- * Elliptic Curve Cryptography. */
-static mp_err
-ec_GFp_nistp384_mod(const mp_int *a, mp_int *r, const GFMethod *meth)
-{
-	mp_err res = MP_OKAY;
-	int a_bits = mpl_significant_bits(a);
-	int i;
-
-	/* m1, m2 are statically-allocated mp_int of exactly the size we need */
-	mp_int m[10];
-
-#ifdef ECL_THIRTY_TWO_BIT
-	mp_digit s[10][12];
-	for (i = 0; i < 10; i++) {
-		MP_SIGN(&m[i]) = MP_ZPOS;
-		MP_ALLOC(&m[i]) = 12;
-		MP_USED(&m[i]) = 12;
-		MP_DIGITS(&m[i]) = s[i];
-	}
-#else
-	mp_digit s[10][6];
-	for (i = 0; i < 10; i++) {
-		MP_SIGN(&m[i]) = MP_ZPOS;
-		MP_ALLOC(&m[i]) = 6;
-		MP_USED(&m[i]) = 6;
-		MP_DIGITS(&m[i]) = s[i];
-	}
-#endif
-
-#ifdef ECL_THIRTY_TWO_BIT
-	/* for polynomials larger than twice the field size or polynomials 
-	 * not using all words, use regular reduction */
-	if ((a_bits > 768) || (a_bits <= 736)) {
-		MP_CHECKOK(mp_mod(a, &meth->irr, r));
-	} else {
-		for (i = 0; i < 12; i++) {
-			s[0][i] = MP_DIGIT(a, i);
-		}
-		s[1][0] = 0;
-		s[1][1] = 0;
-		s[1][2] = 0;
-		s[1][3] = 0;
-		s[1][4] = MP_DIGIT(a, 21);
-		s[1][5] = MP_DIGIT(a, 22);
-		s[1][6] = MP_DIGIT(a, 23);
-		s[1][7] = 0;
-		s[1][8] = 0;
-		s[1][9] = 0;
-		s[1][10] = 0;
-		s[1][11] = 0;
-		for (i = 0; i < 12; i++) {
-			s[2][i] = MP_DIGIT(a, i+12);
-		}
-		s[3][0] = MP_DIGIT(a, 21);
-		s[3][1] = MP_DIGIT(a, 22);
-		s[3][2] = MP_DIGIT(a, 23);
-		for (i = 3; i < 12; i++) {
-			s[3][i] = MP_DIGIT(a, i+9);
-		}
-		s[4][0] = 0;
-		s[4][1] = MP_DIGIT(a, 23);
-		s[4][2] = 0;
-		s[4][3] = MP_DIGIT(a, 20);
-		for (i = 4; i < 12; i++) {
-			s[4][i] = MP_DIGIT(a, i+8);
-		}
-		s[5][0] = 0;
-		s[5][1] = 0;
-		s[5][2] = 0;
-		s[5][3] = 0;
-		s[5][4] = MP_DIGIT(a, 20);
-		s[5][5] = MP_DIGIT(a, 21);
-		s[5][6] = MP_DIGIT(a, 22);
-		s[5][7] = MP_DIGIT(a, 23);
-		s[5][8] = 0;
-		s[5][9] = 0;
-		s[5][10] = 0;
-		s[5][11] = 0;
-		s[6][0] = MP_DIGIT(a, 20);
-		s[6][1] = 0;
-		s[6][2] = 0;
-		s[6][3] = MP_DIGIT(a, 21);
-		s[6][4] = MP_DIGIT(a, 22);
-		s[6][5] = MP_DIGIT(a, 23);
-		s[6][6] = 0;
-		s[6][7] = 0;
-		s[6][8] = 0;
-		s[6][9] = 0;
-		s[6][10] = 0;
-		s[6][11] = 0;
-		s[7][0] = MP_DIGIT(a, 23);
-		for (i = 1; i < 12; i++) {
-			s[7][i] = MP_DIGIT(a, i+11);
-		}
-		s[8][0] = 0;
-		s[8][1] = MP_DIGIT(a, 20);
-		s[8][2] = MP_DIGIT(a, 21);
-		s[8][3] = MP_DIGIT(a, 22);
-		s[8][4] = MP_DIGIT(a, 23);
-		s[8][5] = 0;
-		s[8][6] = 0;
-		s[8][7] = 0;
-		s[8][8] = 0;
-		s[8][9] = 0;
-		s[8][10] = 0;
-		s[8][11] = 0;
-		s[9][0] = 0;
-		s[9][1] = 0;
-		s[9][2] = 0;
-		s[9][3] = MP_DIGIT(a, 23);
-		s[9][4] = MP_DIGIT(a, 23);
-		s[9][5] = 0;
-		s[9][6] = 0;
-		s[9][7] = 0;
-		s[9][8] = 0;
-		s[9][9] = 0;
-		s[9][10] = 0;
-		s[9][11] = 0;
-
-		MP_CHECKOK(mp_add(&m[0], &m[1], r));
-		MP_CHECKOK(mp_add(r, &m[1], r));
-		MP_CHECKOK(mp_add(r, &m[2], r));
-		MP_CHECKOK(mp_add(r, &m[3], r));
-		MP_CHECKOK(mp_add(r, &m[4], r));
-		MP_CHECKOK(mp_add(r, &m[5], r));
-		MP_CHECKOK(mp_add(r, &m[6], r));
-		MP_CHECKOK(mp_sub(r, &m[7], r));
-		MP_CHECKOK(mp_sub(r, &m[8], r));
-		MP_CHECKOK(mp_submod(r, &m[9], &meth->irr, r));
-		s_mp_clamp(r);
-	}
-#else
-	/* for polynomials larger than twice the field size or polynomials 
-	 * not using all words, use regular reduction */
-	if ((a_bits > 768) || (a_bits <= 736)) {
-		MP_CHECKOK(mp_mod(a, &meth->irr, r));
-	} else {
-		for (i = 0; i < 6; i++) {
-			s[0][i] = MP_DIGIT(a, i);
-		}
-		s[1][0] = 0;
-		s[1][1] = 0;
-		s[1][2] = (MP_DIGIT(a, 10) >> 32) | (MP_DIGIT(a, 11) << 32);
-		s[1][3] = MP_DIGIT(a, 11) >> 32;
-		s[1][4] = 0;
-		s[1][5] = 0;
-		for (i = 0; i < 6; i++) {
-			s[2][i] = MP_DIGIT(a, i+6);
-		}
-		s[3][0] = (MP_DIGIT(a, 10) >> 32) | (MP_DIGIT(a, 11) << 32);
-		s[3][1] = (MP_DIGIT(a, 11) >> 32) | (MP_DIGIT(a, 6) << 32);
-		for (i = 2; i < 6; i++) {
-			s[3][i] = (MP_DIGIT(a, i+4) >> 32) | (MP_DIGIT(a, i+5) << 32);
-		}
-		s[4][0] = (MP_DIGIT(a, 11) >> 32) << 32;
-		s[4][1] = MP_DIGIT(a, 10) << 32;
-		for (i = 2; i < 6; i++) {
-			s[4][i] = MP_DIGIT(a, i+4);
-		}
-		s[5][0] = 0;
-		s[5][1] = 0;
-		s[5][2] = MP_DIGIT(a, 10);
-		s[5][3] = MP_DIGIT(a, 11);
-		s[5][4] = 0;
-		s[5][5] = 0;
-		s[6][0] = (MP_DIGIT(a, 10) << 32) >> 32;
-		s[6][1] = (MP_DIGIT(a, 10) >> 32) << 32;
-		s[6][2] = MP_DIGIT(a, 11);
-		s[6][3] = 0;
-		s[6][4] = 0;
-		s[6][5] = 0;
-		s[7][0] = (MP_DIGIT(a, 11) >> 32) | (MP_DIGIT(a, 6) << 32);
-		for (i = 1; i < 6; i++) {
-			s[7][i] = (MP_DIGIT(a, i+5) >> 32) | (MP_DIGIT(a, i+6) << 32);
-		}
-		s[8][0] = MP_DIGIT(a, 10) << 32;
-		s[8][1] = (MP_DIGIT(a, 10) >> 32) | (MP_DIGIT(a, 11) << 32);
-		s[8][2] = MP_DIGIT(a, 11) >> 32;
-		s[8][3] = 0;
-		s[8][4] = 0;
-		s[8][5] = 0;
-		s[9][0] = 0;
-		s[9][1] = (MP_DIGIT(a, 11) >> 32) << 32;
-		s[9][2] = MP_DIGIT(a, 11) >> 32;
-		s[9][3] = 0;
-		s[9][4] = 0;
-		s[9][5] = 0;
-
-		MP_CHECKOK(mp_add(&m[0], &m[1], r));
-		MP_CHECKOK(mp_add(r, &m[1], r));
-		MP_CHECKOK(mp_add(r, &m[2], r));
-		MP_CHECKOK(mp_add(r, &m[3], r));
-		MP_CHECKOK(mp_add(r, &m[4], r));
-		MP_CHECKOK(mp_add(r, &m[5], r));
-		MP_CHECKOK(mp_add(r, &m[6], r));
-		MP_CHECKOK(mp_sub(r, &m[7], r));
-		MP_CHECKOK(mp_sub(r, &m[8], r));
-		MP_CHECKOK(mp_submod(r, &m[9], &meth->irr, r));
-		s_mp_clamp(r);
-	}
-#endif
-
-  CLEANUP:
-	return res;
-}
-
-/* Compute the square of polynomial a, reduce modulo p384. Store the
- * result in r.  r could be a.  Uses optimized modular reduction for p384. 
- */
-static mp_err
-ec_GFp_nistp384_sqr(const mp_int *a, mp_int *r, const GFMethod *meth)
-{
-	mp_err res = MP_OKAY;
-
-	MP_CHECKOK(mp_sqr(a, r));
-	MP_CHECKOK(ec_GFp_nistp384_mod(r, r, meth));
-  CLEANUP:
-	return res;
-}
-
-/* Compute the product of two polynomials a and b, reduce modulo p384.
- * Store the result in r.  r could be a or b; a could be b.  Uses
- * optimized modular reduction for p384. */
-static mp_err
-ec_GFp_nistp384_mul(const mp_int *a, const mp_int *b, mp_int *r,
-					const GFMethod *meth)
-{
-	mp_err res = MP_OKAY;
-
-	MP_CHECKOK(mp_mul(a, b, r));
-	MP_CHECKOK(ec_GFp_nistp384_mod(r, r, meth));
-  CLEANUP:
-	return res;
-}
-
-/* Wire in fast field arithmetic and precomputation of base point for
- * named curves. */
-mp_err
-ec_group_set_gfp384(ECGroup *group, ECCurveName name)
-{
-	if (name == ECCurve_NIST_P384) {
-		group->meth->field_mod = &ec_GFp_nistp384_mod;
-		group->meth->field_mul = &ec_GFp_nistp384_mul;
-		group->meth->field_sqr = &ec_GFp_nistp384_sqr;
-	}
-	return MP_OKAY;
-}