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libgcrypt: Import libgcrypt 1.11
We currently use an old version of libgcrypt which results in us having fewer ciphers and missing on many other improvements. Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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/* asm-common-amd64.h - Poly1305 macros for zSeries assembly
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*
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* Copyright (C) 2020 Jussi Kivilinna <jussi.kivilinna@iki.fi>
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*
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* This file is part of Libgcrypt.
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*
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* Libgcrypt is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* Libgcrypt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GCRY_ASM_POLY1305_S390X_H
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#define GCRY_ASM_POLY1305_S390X_H
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#include "asm-common-s390x.h"
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/**********************************************************************
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poly1305 for stitched chacha20-poly1305
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**********************************************************************/
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#define POLY_RSTATE %r1
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#define POLY_RSRC %r14
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#define POLY_R_H0_TMP_HI %r6 // even-
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#define POLY_R_H0 %r7 // odd pair
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#define POLY_R_H1_TMP_HI %r8 // even-
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#define POLY_R_H1 %r9 // odd pair
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#define POLY_R_H2 %r10
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#define POLY_R_R0 %r11
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#define POLY_R_R1 %r12
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#define POLY_R_R1_MUL5 %r13
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#define POLY_R_X0_HI %r2 // even-
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#define POLY_R_X0_LO %r3 // odd pair
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#define POLY_R_X1_HI %r4 // even-
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#define POLY_R_X1_LO %r5 // odd pair
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#define POLY_S_R0 (4 * 4 + 0 * 8)(POLY_RSTATE)
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#define POLY_S_R1 (4 * 4 + 1 * 8)(POLY_RSTATE)
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#define POLY_S_H0 (4 * 4 + 2 * 8 + 0 * 8)(POLY_RSTATE)
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#define POLY_S_H1 (4 * 4 + 2 * 8 + 1 * 8)(POLY_RSTATE)
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#define POLY_S_H2d (4 * 4 + 2 * 8 + 2 * 8)(POLY_RSTATE)
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#define INC_POLY1305_SRC(a) \
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aghi POLY_RSRC, (a);
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#define POLY1305_LOAD_STATE() \
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lg POLY_R_H0, POLY_S_H0; \
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lg POLY_R_H1, POLY_S_H1; \
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llgf POLY_R_H2, POLY_S_H2d; \
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rllg POLY_R_H0, POLY_R_H0, 32; \
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rllg POLY_R_H1, POLY_R_H1, 32; \
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lg POLY_R_R0, POLY_S_R0; \
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lg POLY_R_R1, POLY_S_R1; \
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rllg POLY_R_R0, POLY_R_R0, 32; \
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rllg POLY_R_R1, POLY_R_R1, 32; \
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srlg POLY_R_R1_MUL5, POLY_R_R1, 2; \
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algr POLY_R_R1_MUL5, POLY_R_R1;
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#define POLY1305_STORE_STATE() \
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rllg POLY_R_H0, POLY_R_H0, 32; \
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rllg POLY_R_H1, POLY_R_H1, 32; \
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stg POLY_R_H0, POLY_S_H0; \
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stg POLY_R_H1, POLY_S_H1; \
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st POLY_R_H2, POLY_S_H2d;
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/* a = h + m */
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#define POLY1305_BLOCK_PART1_HB(src_offset, high_pad) \
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lrvg POLY_R_X0_HI, ((src_offset) + 1 * 8)(POLY_RSRC); \
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lrvg POLY_R_X0_LO, ((src_offset) + 0 * 8)(POLY_RSRC); \
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lghi POLY_R_H1_TMP_HI, (high_pad);
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#define POLY1305_BLOCK_PART1(src_offset) \
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POLY1305_BLOCK_PART1_HB(src_offset, 1);
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#define POLY1305_BLOCK_PART2() \
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algr POLY_R_H0, POLY_R_X0_LO; \
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alcgr POLY_R_H1, POLY_R_X0_HI; \
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alcgr POLY_R_H2, POLY_R_H1_TMP_HI; \
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lgr POLY_R_X1_LO, POLY_R_H0; \
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lgr POLY_R_X0_LO, POLY_R_H0;
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#define POLY1305_BLOCK_PART3() \
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/* h = a * r (partial mod 2^130-5): */ \
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\
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/* h0 * r1 */ \
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mlgr POLY_R_X1_HI, POLY_R_R1; \
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\
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/* h1 * r0 */ \
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lgr POLY_R_H0, POLY_R_H1; \
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mlgr POLY_R_H0_TMP_HI, POLY_R_R0; \
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\
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/* h1 * r1 mod 2^130-5 */ \
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mlgr POLY_R_H1_TMP_HI, POLY_R_R1_MUL5;
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#define POLY1305_BLOCK_PART4() \
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\
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/* h0 * r0 */ \
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mlgr POLY_R_X0_HI, POLY_R_R0; \
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\
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algr POLY_R_X1_LO, POLY_R_H0; \
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alcgr POLY_R_X1_HI, POLY_R_H0_TMP_HI; \
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\
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lgr POLY_R_H0_TMP_HI, POLY_R_H2; \
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msgr POLY_R_H0_TMP_HI, POLY_R_R1_MUL5; /* h2 * r1 mod 2^130-5 */ \
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msgr POLY_R_H2, POLY_R_R0; /* h2 * r0 */
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#define POLY1305_BLOCK_PART5() \
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\
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algr POLY_R_X0_LO, POLY_R_H1; \
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alcgr POLY_R_X0_HI, POLY_R_H1_TMP_HI;
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#define POLY1305_BLOCK_PART6() \
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\
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algrk POLY_R_H1, POLY_R_H0_TMP_HI, POLY_R_X1_LO; \
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alcgr POLY_R_H2, POLY_R_X1_HI;
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#define POLY1305_BLOCK_PART7() \
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\
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/* carry propagation */ \
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srlg POLY_R_H0, POLY_R_H2, 2; \
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risbgn POLY_R_X1_LO, POLY_R_H2, 0, 0x80 | 61, 0; \
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lghi POLY_R_H1_TMP_HI, 0; \
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agr POLY_R_H0, POLY_R_X1_LO; \
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risbgn POLY_R_H2, POLY_R_H2, 62, 0x80 | 63, 0;
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#define POLY1305_BLOCK_PART8() \
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algr POLY_R_H0, POLY_R_X0_LO; \
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alcgr POLY_R_H1, POLY_R_X0_HI; \
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alcgr POLY_R_H2, POLY_R_H1_TMP_HI;
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#endif /* GCRY_ASM_POLY1305_AMD64_H */
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