/* sha512-ppc.c - PowerPC vcrypto implementation of SHA-512 transform * Copyright (C) 2019 Jussi Kivilinna * * This file is part of Libgcrypt. * * Libgcrypt is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * Libgcrypt is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see . */ #include #if defined(ENABLE_PPC_CRYPTO_SUPPORT) && \ defined(HAVE_COMPATIBLE_CC_PPC_ALTIVEC) && \ defined(HAVE_GCC_INLINE_ASM_PPC_ALTIVEC) && \ defined(USE_SHA512) && \ __GNUC__ >= 4 #include #include "bufhelp.h" typedef vector unsigned char vector16x_u8; typedef vector unsigned long long vector2x_u64; #define ALWAYS_INLINE inline __attribute__((always_inline)) #define NO_INLINE __attribute__((noinline)) #define NO_INSTRUMENT_FUNCTION __attribute__((no_instrument_function)) #define ASM_FUNC_ATTR NO_INSTRUMENT_FUNCTION #define ASM_FUNC_ATTR_INLINE ASM_FUNC_ATTR ALWAYS_INLINE #define ASM_FUNC_ATTR_NOINLINE ASM_FUNC_ATTR NO_INLINE static const u64 K[80] = { U64_C(0x428a2f98d728ae22), U64_C(0x7137449123ef65cd), U64_C(0xb5c0fbcfec4d3b2f), U64_C(0xe9b5dba58189dbbc), U64_C(0x3956c25bf348b538), U64_C(0x59f111f1b605d019), U64_C(0x923f82a4af194f9b), U64_C(0xab1c5ed5da6d8118), U64_C(0xd807aa98a3030242), U64_C(0x12835b0145706fbe), U64_C(0x243185be4ee4b28c), U64_C(0x550c7dc3d5ffb4e2), U64_C(0x72be5d74f27b896f), U64_C(0x80deb1fe3b1696b1), U64_C(0x9bdc06a725c71235), U64_C(0xc19bf174cf692694), U64_C(0xe49b69c19ef14ad2), U64_C(0xefbe4786384f25e3), U64_C(0x0fc19dc68b8cd5b5), U64_C(0x240ca1cc77ac9c65), U64_C(0x2de92c6f592b0275), U64_C(0x4a7484aa6ea6e483), U64_C(0x5cb0a9dcbd41fbd4), U64_C(0x76f988da831153b5), U64_C(0x983e5152ee66dfab), U64_C(0xa831c66d2db43210), U64_C(0xb00327c898fb213f), U64_C(0xbf597fc7beef0ee4), U64_C(0xc6e00bf33da88fc2), U64_C(0xd5a79147930aa725), U64_C(0x06ca6351e003826f), U64_C(0x142929670a0e6e70), U64_C(0x27b70a8546d22ffc), U64_C(0x2e1b21385c26c926), U64_C(0x4d2c6dfc5ac42aed), U64_C(0x53380d139d95b3df), U64_C(0x650a73548baf63de), U64_C(0x766a0abb3c77b2a8), U64_C(0x81c2c92e47edaee6), U64_C(0x92722c851482353b), U64_C(0xa2bfe8a14cf10364), U64_C(0xa81a664bbc423001), U64_C(0xc24b8b70d0f89791), U64_C(0xc76c51a30654be30), U64_C(0xd192e819d6ef5218), U64_C(0xd69906245565a910), U64_C(0xf40e35855771202a), U64_C(0x106aa07032bbd1b8), U64_C(0x19a4c116b8d2d0c8), U64_C(0x1e376c085141ab53), U64_C(0x2748774cdf8eeb99), U64_C(0x34b0bcb5e19b48a8), U64_C(0x391c0cb3c5c95a63), U64_C(0x4ed8aa4ae3418acb), U64_C(0x5b9cca4f7763e373), U64_C(0x682e6ff3d6b2b8a3), U64_C(0x748f82ee5defb2fc), U64_C(0x78a5636f43172f60), U64_C(0x84c87814a1f0ab72), U64_C(0x8cc702081a6439ec), U64_C(0x90befffa23631e28), U64_C(0xa4506cebde82bde9), U64_C(0xbef9a3f7b2c67915), U64_C(0xc67178f2e372532b), U64_C(0xca273eceea26619c), U64_C(0xd186b8c721c0c207), U64_C(0xeada7dd6cde0eb1e), U64_C(0xf57d4f7fee6ed178), U64_C(0x06f067aa72176fba), U64_C(0x0a637dc5a2c898a6), U64_C(0x113f9804bef90dae), U64_C(0x1b710b35131c471b), U64_C(0x28db77f523047d84), U64_C(0x32caab7b40c72493), U64_C(0x3c9ebe0a15c9bebc), U64_C(0x431d67c49c100d4c), U64_C(0x4cc5d4becb3e42b6), U64_C(0x597f299cfc657e2a), U64_C(0x5fcb6fab3ad6faec), U64_C(0x6c44198c4a475817) }; static ASM_FUNC_ATTR_INLINE u64 ror64 (u64 v, u64 shift) { return (v >> (shift & 63)) ^ (v << ((64 - shift) & 63)); } static ASM_FUNC_ATTR_INLINE vector2x_u64 vec_rol_elems(vector2x_u64 v, unsigned int idx) { #ifndef WORDS_BIGENDIAN return vec_sld (v, v, (16 - (8 * idx)) & 15); #else return vec_sld (v, v, (8 * idx) & 15); #endif } static ASM_FUNC_ATTR_INLINE vector2x_u64 vec_merge_idx0_elems(vector2x_u64 v0, vector2x_u64 v1) { return vec_mergeh (v0, v1); } static ASM_FUNC_ATTR_INLINE vector2x_u64 vec_vshasigma_u64(vector2x_u64 v, unsigned int a, unsigned int b) { __asm__ ("vshasigmad %0,%1,%2,%3" : "=v" (v) : "v" (v), "g" (a), "g" (b) : "memory"); return v; } static ASM_FUNC_ATTR_INLINE vector2x_u64 vec_u64_load(unsigned long offset, const void *ptr) { vector2x_u64 vecu64; #if __GNUC__ >= 4 if (__builtin_constant_p (offset) && offset == 0) __asm__ ("lxvd2x %x0,0,%1\n\t" : "=wa" (vecu64) : "r" ((uintptr_t)ptr) : "memory"); else #endif __asm__ ("lxvd2x %x0,%1,%2\n\t" : "=wa" (vecu64) : "r" (offset), "r" ((uintptr_t)ptr) : "memory", "r0"); #ifndef WORDS_BIGENDIAN __asm__ ("xxswapd %x0, %x1" : "=wa" (vecu64) : "wa" (vecu64)); #endif return vecu64; } static ASM_FUNC_ATTR_INLINE void vec_u64_store(vector2x_u64 vecu64, unsigned long offset, void *ptr) { #ifndef WORDS_BIGENDIAN __asm__ ("xxswapd %x0, %x1" : "=wa" (vecu64) : "wa" (vecu64)); #endif #if __GNUC__ >= 4 if (__builtin_constant_p (offset) && offset == 0) __asm__ ("stxvd2x %x0,0,%1\n\t" : : "wa" (vecu64), "r" ((uintptr_t)ptr) : "memory"); else #endif __asm__ ("stxvd2x %x0,%1,%2\n\t" : : "wa" (vecu64), "r" (offset), "r" ((uintptr_t)ptr) : "memory", "r0"); } /* SHA2 round in vector registers */ #define R(a,b,c,d,e,f,g,h,k,w) do \ { \ t1 = (h); \ t1 += ((k) + (w)); \ t1 += Cho((e),(f),(g)); \ t1 += Sum1((e)); \ t2 = Sum0((a)); \ t2 += Maj((a),(b),(c)); \ d += t1; \ h = t1 + t2; \ } while (0) #define Cho(b, c, d) (vec_sel(d, c, b)) #define Maj(c, d, b) (vec_sel(c, b, c ^ d)) #define Sum0(x) (vec_vshasigma_u64(x, 1, 0)) #define Sum1(x) (vec_vshasigma_u64(x, 1, 15)) /* Message expansion on general purpose registers */ #define S0(x) (ror64 ((x), 1) ^ ror64 ((x), 8) ^ ((x) >> 7)) #define S1(x) (ror64 ((x), 19) ^ ror64 ((x), 61) ^ ((x) >> 6)) #define I(i) ( w[i] = buf_get_be64(data + i * 8) ) #define WN(i) ({ w[i&0x0f] += w[(i-7) &0x0f]; \ w[i&0x0f] += S0(w[(i-15)&0x0f]); \ w[i&0x0f] += S1(w[(i-2) &0x0f]); \ w[i&0x0f]; }) #define W(i) ({ u64 r = w[i&0x0f]; WN(i); r; }) #define L(i) w[i&0x0f] unsigned int ASM_FUNC_ATTR _gcry_sha512_transform_ppc8(u64 state[8], const unsigned char *data, size_t nblks) { /* GPRs used for message expansion as vector intrinsics based generates * slower code. */ vector2x_u64 h0, h1, h2, h3, h4, h5, h6, h7; vector2x_u64 a, b, c, d, e, f, g, h, t1, t2; u64 w[16]; h0 = vec_u64_load (8 * 0, (unsigned long long *)state); h1 = vec_rol_elems (h0, 1); h2 = vec_u64_load (8 * 2, (unsigned long long *)state); h3 = vec_rol_elems (h2, 1); h4 = vec_u64_load (8 * 4, (unsigned long long *)state); h5 = vec_rol_elems (h4, 1); h6 = vec_u64_load (8 * 6, (unsigned long long *)state); h7 = vec_rol_elems (h6, 1); while (nblks >= 2) { a = h0; b = h1; c = h2; d = h3; e = h4; f = h5; g = h6; h = h7; I(0); I(1); I(2); I(3); I(4); I(5); I(6); I(7); I(8); I(9); I(10); I(11); I(12); I(13); I(14); I(15); data += 128; R(a, b, c, d, e, f, g, h, K[0], W(0)); R(h, a, b, c, d, e, f, g, K[1], W(1)); R(g, h, a, b, c, d, e, f, K[2], W(2)); R(f, g, h, a, b, c, d, e, K[3], W(3)); R(e, f, g, h, a, b, c, d, K[4], W(4)); R(d, e, f, g, h, a, b, c, K[5], W(5)); R(c, d, e, f, g, h, a, b, K[6], W(6)); R(b, c, d, e, f, g, h, a, K[7], W(7)); R(a, b, c, d, e, f, g, h, K[8], W(8)); R(h, a, b, c, d, e, f, g, K[9], W(9)); R(g, h, a, b, c, d, e, f, K[10], W(10)); R(f, g, h, a, b, c, d, e, K[11], W(11)); R(e, f, g, h, a, b, c, d, K[12], W(12)); R(d, e, f, g, h, a, b, c, K[13], W(13)); R(c, d, e, f, g, h, a, b, K[14], W(14)); R(b, c, d, e, f, g, h, a, K[15], W(15)); R(a, b, c, d, e, f, g, h, K[16], W(16)); R(h, a, b, c, d, e, f, g, K[17], W(17)); R(g, h, a, b, c, d, e, f, K[18], W(18)); R(f, g, h, a, b, c, d, e, K[19], W(19)); R(e, f, g, h, a, b, c, d, K[20], W(20)); R(d, e, f, g, h, a, b, c, K[21], W(21)); R(c, d, e, f, g, h, a, b, K[22], W(22)); R(b, c, d, e, f, g, h, a, K[23], W(23)); R(a, b, c, d, e, f, g, h, K[24], W(24)); R(h, a, b, c, d, e, f, g, K[25], W(25)); R(g, h, a, b, c, d, e, f, K[26], W(26)); R(f, g, h, a, b, c, d, e, K[27], W(27)); R(e, f, g, h, a, b, c, d, K[28], W(28)); R(d, e, f, g, h, a, b, c, K[29], W(29)); R(c, d, e, f, g, h, a, b, K[30], W(30)); R(b, c, d, e, f, g, h, a, K[31], W(31)); R(a, b, c, d, e, f, g, h, K[32], W(32)); R(h, a, b, c, d, e, f, g, K[33], W(33)); R(g, h, a, b, c, d, e, f, K[34], W(34)); R(f, g, h, a, b, c, d, e, K[35], W(35)); R(e, f, g, h, a, b, c, d, K[36], W(36)); R(d, e, f, g, h, a, b, c, K[37], W(37)); R(c, d, e, f, g, h, a, b, K[38], W(38)); R(b, c, d, e, f, g, h, a, K[39], W(39)); R(a, b, c, d, e, f, g, h, K[40], W(40)); R(h, a, b, c, d, e, f, g, K[41], W(41)); R(g, h, a, b, c, d, e, f, K[42], W(42)); R(f, g, h, a, b, c, d, e, K[43], W(43)); R(e, f, g, h, a, b, c, d, K[44], W(44)); R(d, e, f, g, h, a, b, c, K[45], W(45)); R(c, d, e, f, g, h, a, b, K[46], W(46)); R(b, c, d, e, f, g, h, a, K[47], W(47)); R(a, b, c, d, e, f, g, h, K[48], W(48)); R(h, a, b, c, d, e, f, g, K[49], W(49)); R(g, h, a, b, c, d, e, f, K[50], W(50)); R(f, g, h, a, b, c, d, e, K[51], W(51)); R(e, f, g, h, a, b, c, d, K[52], W(52)); R(d, e, f, g, h, a, b, c, K[53], W(53)); R(c, d, e, f, g, h, a, b, K[54], W(54)); R(b, c, d, e, f, g, h, a, K[55], W(55)); R(a, b, c, d, e, f, g, h, K[56], W(56)); R(h, a, b, c, d, e, f, g, K[57], W(57)); R(g, h, a, b, c, d, e, f, K[58], W(58)); R(f, g, h, a, b, c, d, e, K[59], W(59)); R(e, f, g, h, a, b, c, d, K[60], W(60)); R(d, e, f, g, h, a, b, c, K[61], W(61)); R(c, d, e, f, g, h, a, b, K[62], W(62)); R(b, c, d, e, f, g, h, a, K[63], W(63)); R(a, b, c, d, e, f, g, h, K[64], L(64)); R(h, a, b, c, d, e, f, g, K[65], L(65)); R(g, h, a, b, c, d, e, f, K[66], L(66)); R(f, g, h, a, b, c, d, e, K[67], L(67)); I(0); I(1); I(2); I(3); R(e, f, g, h, a, b, c, d, K[68], L(68)); R(d, e, f, g, h, a, b, c, K[69], L(69)); R(c, d, e, f, g, h, a, b, K[70], L(70)); R(b, c, d, e, f, g, h, a, K[71], L(71)); I(4); I(5); I(6); I(7); R(a, b, c, d, e, f, g, h, K[72], L(72)); R(h, a, b, c, d, e, f, g, K[73], L(73)); R(g, h, a, b, c, d, e, f, K[74], L(74)); R(f, g, h, a, b, c, d, e, K[75], L(75)); I(8); I(9); I(10); I(11); R(e, f, g, h, a, b, c, d, K[76], L(76)); R(d, e, f, g, h, a, b, c, K[77], L(77)); R(c, d, e, f, g, h, a, b, K[78], L(78)); R(b, c, d, e, f, g, h, a, K[79], L(79)); I(12); I(13); I(14); I(15); data += 128; h0 += a; h1 += b; h2 += c; h3 += d; h4 += e; h5 += f; h6 += g; h7 += h; a = h0; b = h1; c = h2; d = h3; e = h4; f = h5; g = h6; h = h7; R(a, b, c, d, e, f, g, h, K[0], W(0)); R(h, a, b, c, d, e, f, g, K[1], W(1)); R(g, h, a, b, c, d, e, f, K[2], W(2)); R(f, g, h, a, b, c, d, e, K[3], W(3)); R(e, f, g, h, a, b, c, d, K[4], W(4)); R(d, e, f, g, h, a, b, c, K[5], W(5)); R(c, d, e, f, g, h, a, b, K[6], W(6)); R(b, c, d, e, f, g, h, a, K[7], W(7)); R(a, b, c, d, e, f, g, h, K[8], W(8)); R(h, a, b, c, d, e, f, g, K[9], W(9)); R(g, h, a, b, c, d, e, f, K[10], W(10)); R(f, g, h, a, b, c, d, e, K[11], W(11)); R(e, f, g, h, a, b, c, d, K[12], W(12)); R(d, e, f, g, h, a, b, c, K[13], W(13)); R(c, d, e, f, g, h, a, b, K[14], W(14)); R(b, c, d, e, f, g, h, a, K[15], W(15)); R(a, b, c, d, e, f, g, h, K[16], W(16)); R(h, a, b, c, d, e, f, g, K[17], W(17)); R(g, h, a, b, c, d, e, f, K[18], W(18)); R(f, g, h, a, b, c, d, e, K[19], W(19)); R(e, f, g, h, a, b, c, d, K[20], W(20)); R(d, e, f, g, h, a, b, c, K[21], W(21)); R(c, d, e, f, g, h, a, b, K[22], W(22)); R(b, c, d, e, f, g, h, a, K[23], W(23)); R(a, b, c, d, e, f, g, h, K[24], W(24)); R(h, a, b, c, d, e, f, g, K[25], W(25)); R(g, h, a, b, c, d, e, f, K[26], W(26)); R(f, g, h, a, b, c, d, e, K[27], W(27)); R(e, f, g, h, a, b, c, d, K[28], W(28)); R(d, e, f, g, h, a, b, c, K[29], W(29)); R(c, d, e, f, g, h, a, b, K[30], W(30)); R(b, c, d, e, f, g, h, a, K[31], W(31)); R(a, b, c, d, e, f, g, h, K[32], W(32)); R(h, a, b, c, d, e, f, g, K[33], W(33)); R(g, h, a, b, c, d, e, f, K[34], W(34)); R(f, g, h, a, b, c, d, e, K[35], W(35)); R(e, f, g, h, a, b, c, d, K[36], W(36)); R(d, e, f, g, h, a, b, c, K[37], W(37)); R(c, d, e, f, g, h, a, b, K[38], W(38)); R(b, c, d, e, f, g, h, a, K[39], W(39)); R(a, b, c, d, e, f, g, h, K[40], W(40)); R(h, a, b, c, d, e, f, g, K[41], W(41)); R(g, h, a, b, c, d, e, f, K[42], W(42)); R(f, g, h, a, b, c, d, e, K[43], W(43)); R(e, f, g, h, a, b, c, d, K[44], W(44)); R(d, e, f, g, h, a, b, c, K[45], W(45)); R(c, d, e, f, g, h, a, b, K[46], W(46)); R(b, c, d, e, f, g, h, a, K[47], W(47)); R(a, b, c, d, e, f, g, h, K[48], W(48)); R(h, a, b, c, d, e, f, g, K[49], W(49)); R(g, h, a, b, c, d, e, f, K[50], W(50)); R(f, g, h, a, b, c, d, e, K[51], W(51)); R(e, f, g, h, a, b, c, d, K[52], W(52)); R(d, e, f, g, h, a, b, c, K[53], W(53)); R(c, d, e, f, g, h, a, b, K[54], W(54)); R(b, c, d, e, f, g, h, a, K[55], W(55)); R(a, b, c, d, e, f, g, h, K[56], W(56)); R(h, a, b, c, d, e, f, g, K[57], W(57)); R(g, h, a, b, c, d, e, f, K[58], W(58)); R(f, g, h, a, b, c, d, e, K[59], W(59)); R(e, f, g, h, a, b, c, d, K[60], W(60)); R(d, e, f, g, h, a, b, c, K[61], W(61)); R(c, d, e, f, g, h, a, b, K[62], W(62)); R(b, c, d, e, f, g, h, a, K[63], W(63)); R(a, b, c, d, e, f, g, h, K[64], L(64)); R(h, a, b, c, d, e, f, g, K[65], L(65)); R(g, h, a, b, c, d, e, f, K[66], L(66)); R(f, g, h, a, b, c, d, e, K[67], L(67)); R(e, f, g, h, a, b, c, d, K[68], L(68)); R(d, e, f, g, h, a, b, c, K[69], L(69)); R(c, d, e, f, g, h, a, b, K[70], L(70)); R(b, c, d, e, f, g, h, a, K[71], L(71)); R(a, b, c, d, e, f, g, h, K[72], L(72)); R(h, a, b, c, d, e, f, g, K[73], L(73)); R(g, h, a, b, c, d, e, f, K[74], L(74)); R(f, g, h, a, b, c, d, e, K[75], L(75)); R(e, f, g, h, a, b, c, d, K[76], L(76)); R(d, e, f, g, h, a, b, c, K[77], L(77)); R(c, d, e, f, g, h, a, b, K[78], L(78)); R(b, c, d, e, f, g, h, a, K[79], L(79)); h0 += a; h1 += b; h2 += c; h3 += d; h4 += e; h5 += f; h6 += g; h7 += h; nblks -= 2; } while (nblks) { a = h0; b = h1; c = h2; d = h3; e = h4; f = h5; g = h6; h = h7; I(0); I(1); I(2); I(3); I(4); I(5); I(6); I(7); I(8); I(9); I(10); I(11); I(12); I(13); I(14); I(15); data += 128; R(a, b, c, d, e, f, g, h, K[0], W(0)); R(h, a, b, c, d, e, f, g, K[1], W(1)); R(g, h, a, b, c, d, e, f, K[2], W(2)); R(f, g, h, a, b, c, d, e, K[3], W(3)); R(e, f, g, h, a, b, c, d, K[4], W(4)); R(d, e, f, g, h, a, b, c, K[5], W(5)); R(c, d, e, f, g, h, a, b, K[6], W(6)); R(b, c, d, e, f, g, h, a, K[7], W(7)); R(a, b, c, d, e, f, g, h, K[8], W(8)); R(h, a, b, c, d, e, f, g, K[9], W(9)); R(g, h, a, b, c, d, e, f, K[10], W(10)); R(f, g, h, a, b, c, d, e, K[11], W(11)); R(e, f, g, h, a, b, c, d, K[12], W(12)); R(d, e, f, g, h, a, b, c, K[13], W(13)); R(c, d, e, f, g, h, a, b, K[14], W(14)); R(b, c, d, e, f, g, h, a, K[15], W(15)); R(a, b, c, d, e, f, g, h, K[16], W(16)); R(h, a, b, c, d, e, f, g, K[17], W(17)); R(g, h, a, b, c, d, e, f, K[18], W(18)); R(f, g, h, a, b, c, d, e, K[19], W(19)); R(e, f, g, h, a, b, c, d, K[20], W(20)); R(d, e, f, g, h, a, b, c, K[21], W(21)); R(c, d, e, f, g, h, a, b, K[22], W(22)); R(b, c, d, e, f, g, h, a, K[23], W(23)); R(a, b, c, d, e, f, g, h, K[24], W(24)); R(h, a, b, c, d, e, f, g, K[25], W(25)); R(g, h, a, b, c, d, e, f, K[26], W(26)); R(f, g, h, a, b, c, d, e, K[27], W(27)); R(e, f, g, h, a, b, c, d, K[28], W(28)); R(d, e, f, g, h, a, b, c, K[29], W(29)); R(c, d, e, f, g, h, a, b, K[30], W(30)); R(b, c, d, e, f, g, h, a, K[31], W(31)); R(a, b, c, d, e, f, g, h, K[32], W(32)); R(h, a, b, c, d, e, f, g, K[33], W(33)); R(g, h, a, b, c, d, e, f, K[34], W(34)); R(f, g, h, a, b, c, d, e, K[35], W(35)); R(e, f, g, h, a, b, c, d, K[36], W(36)); R(d, e, f, g, h, a, b, c, K[37], W(37)); R(c, d, e, f, g, h, a, b, K[38], W(38)); R(b, c, d, e, f, g, h, a, K[39], W(39)); R(a, b, c, d, e, f, g, h, K[40], W(40)); R(h, a, b, c, d, e, f, g, K[41], W(41)); R(g, h, a, b, c, d, e, f, K[42], W(42)); R(f, g, h, a, b, c, d, e, K[43], W(43)); R(e, f, g, h, a, b, c, d, K[44], W(44)); R(d, e, f, g, h, a, b, c, K[45], W(45)); R(c, d, e, f, g, h, a, b, K[46], W(46)); R(b, c, d, e, f, g, h, a, K[47], W(47)); R(a, b, c, d, e, f, g, h, K[48], W(48)); R(h, a, b, c, d, e, f, g, K[49], W(49)); R(g, h, a, b, c, d, e, f, K[50], W(50)); R(f, g, h, a, b, c, d, e, K[51], W(51)); R(e, f, g, h, a, b, c, d, K[52], W(52)); R(d, e, f, g, h, a, b, c, K[53], W(53)); R(c, d, e, f, g, h, a, b, K[54], W(54)); R(b, c, d, e, f, g, h, a, K[55], W(55)); R(a, b, c, d, e, f, g, h, K[56], W(56)); R(h, a, b, c, d, e, f, g, K[57], W(57)); R(g, h, a, b, c, d, e, f, K[58], W(58)); R(f, g, h, a, b, c, d, e, K[59], W(59)); R(e, f, g, h, a, b, c, d, K[60], W(60)); R(d, e, f, g, h, a, b, c, K[61], W(61)); R(c, d, e, f, g, h, a, b, K[62], W(62)); R(b, c, d, e, f, g, h, a, K[63], W(63)); R(a, b, c, d, e, f, g, h, K[64], L(64)); R(h, a, b, c, d, e, f, g, K[65], L(65)); R(g, h, a, b, c, d, e, f, K[66], L(66)); R(f, g, h, a, b, c, d, e, K[67], L(67)); R(e, f, g, h, a, b, c, d, K[68], L(68)); R(d, e, f, g, h, a, b, c, K[69], L(69)); R(c, d, e, f, g, h, a, b, K[70], L(70)); R(b, c, d, e, f, g, h, a, K[71], L(71)); R(a, b, c, d, e, f, g, h, K[72], L(72)); R(h, a, b, c, d, e, f, g, K[73], L(73)); R(g, h, a, b, c, d, e, f, K[74], L(74)); R(f, g, h, a, b, c, d, e, K[75], L(75)); R(e, f, g, h, a, b, c, d, K[76], L(76)); R(d, e, f, g, h, a, b, c, K[77], L(77)); R(c, d, e, f, g, h, a, b, K[78], L(78)); R(b, c, d, e, f, g, h, a, K[79], L(79)); h0 += a; h1 += b; h2 += c; h3 += d; h4 += e; h5 += f; h6 += g; h7 += h; nblks--; } h0 = vec_merge_idx0_elems (h0, h1); h2 = vec_merge_idx0_elems (h2, h3); h4 = vec_merge_idx0_elems (h4, h5); h6 = vec_merge_idx0_elems (h6, h7); vec_u64_store (h0, 8 * 0, (unsigned long long *)state); vec_u64_store (h2, 8 * 2, (unsigned long long *)state); vec_u64_store (h4, 8 * 4, (unsigned long long *)state); vec_u64_store (h6, 8 * 6, (unsigned long long *)state); return sizeof(w); } #undef R #undef Cho #undef Maj #undef Sum0 #undef Sum1 #undef S0 #undef S1 #undef I #undef W #undef I2 #undef W2 #undef R2 /* SHA2 round in general purpose registers */ #define R(a,b,c,d,e,f,g,h,k,w) do \ { \ t1 = (h) + Sum1((e)) + Cho((e),(f),(g)) + ((k) + (w));\ t2 = Sum0((a)) + Maj((a),(b),(c)); \ d += t1; \ h = t1 + t2; \ } while (0) #define Cho(x, y, z) ((x & y) + (~x & z)) #define Maj(z, x, y) ((x & y) + (z & (x ^ y))) #define Sum0(x) (ror64(x, 28) ^ ror64(x ^ ror64(x, 39-34), 34)) #define Sum1(x) (ror64(x, 14) ^ ror64(x, 18) ^ ror64(x, 41)) /* Message expansion on general purpose registers */ #define S0(x) (ror64 ((x), 1) ^ ror64 ((x), 8) ^ ((x) >> 7)) #define S1(x) (ror64 ((x), 19) ^ ror64 ((x), 61) ^ ((x) >> 6)) #define I(i) ( w[i] = buf_get_be64(data + i * 8) ) #define WN(i) ({ w[i&0x0f] += w[(i-7) &0x0f]; \ w[i&0x0f] += S0(w[(i-15)&0x0f]); \ w[i&0x0f] += S1(w[(i-2) &0x0f]); \ w[i&0x0f]; }) #define W(i) ({ u64 r = w[i&0x0f]; WN(i); r; }) #define L(i) w[i&0x0f] unsigned int ASM_FUNC_ATTR _gcry_sha512_transform_ppc9(u64 state[8], const unsigned char *data, size_t nblks) { /* GPRs used for round function and message expansion as vector intrinsics * based generates slower code for POWER9. */ u64 a, b, c, d, e, f, g, h, t1, t2; u64 w[16]; a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4]; f = state[5]; g = state[6]; h = state[7]; while (nblks >= 2) { I(0); I(1); I(2); I(3); I(4); I(5); I(6); I(7); I(8); I(9); I(10); I(11); I(12); I(13); I(14); I(15); data += 128; R(a, b, c, d, e, f, g, h, K[0], W(0)); R(h, a, b, c, d, e, f, g, K[1], W(1)); R(g, h, a, b, c, d, e, f, K[2], W(2)); R(f, g, h, a, b, c, d, e, K[3], W(3)); R(e, f, g, h, a, b, c, d, K[4], W(4)); R(d, e, f, g, h, a, b, c, K[5], W(5)); R(c, d, e, f, g, h, a, b, K[6], W(6)); R(b, c, d, e, f, g, h, a, K[7], W(7)); R(a, b, c, d, e, f, g, h, K[8], W(8)); R(h, a, b, c, d, e, f, g, K[9], W(9)); R(g, h, a, b, c, d, e, f, K[10], W(10)); R(f, g, h, a, b, c, d, e, K[11], W(11)); R(e, f, g, h, a, b, c, d, K[12], W(12)); R(d, e, f, g, h, a, b, c, K[13], W(13)); R(c, d, e, f, g, h, a, b, K[14], W(14)); R(b, c, d, e, f, g, h, a, K[15], W(15)); R(a, b, c, d, e, f, g, h, K[16], W(16)); R(h, a, b, c, d, e, f, g, K[17], W(17)); R(g, h, a, b, c, d, e, f, K[18], W(18)); R(f, g, h, a, b, c, d, e, K[19], W(19)); R(e, f, g, h, a, b, c, d, K[20], W(20)); R(d, e, f, g, h, a, b, c, K[21], W(21)); R(c, d, e, f, g, h, a, b, K[22], W(22)); R(b, c, d, e, f, g, h, a, K[23], W(23)); R(a, b, c, d, e, f, g, h, K[24], W(24)); R(h, a, b, c, d, e, f, g, K[25], W(25)); R(g, h, a, b, c, d, e, f, K[26], W(26)); R(f, g, h, a, b, c, d, e, K[27], W(27)); R(e, f, g, h, a, b, c, d, K[28], W(28)); R(d, e, f, g, h, a, b, c, K[29], W(29)); R(c, d, e, f, g, h, a, b, K[30], W(30)); R(b, c, d, e, f, g, h, a, K[31], W(31)); R(a, b, c, d, e, f, g, h, K[32], W(32)); R(h, a, b, c, d, e, f, g, K[33], W(33)); R(g, h, a, b, c, d, e, f, K[34], W(34)); R(f, g, h, a, b, c, d, e, K[35], W(35)); R(e, f, g, h, a, b, c, d, K[36], W(36)); R(d, e, f, g, h, a, b, c, K[37], W(37)); R(c, d, e, f, g, h, a, b, K[38], W(38)); R(b, c, d, e, f, g, h, a, K[39], W(39)); R(a, b, c, d, e, f, g, h, K[40], W(40)); R(h, a, b, c, d, e, f, g, K[41], W(41)); R(g, h, a, b, c, d, e, f, K[42], W(42)); R(f, g, h, a, b, c, d, e, K[43], W(43)); R(e, f, g, h, a, b, c, d, K[44], W(44)); R(d, e, f, g, h, a, b, c, K[45], W(45)); R(c, d, e, f, g, h, a, b, K[46], W(46)); R(b, c, d, e, f, g, h, a, K[47], W(47)); R(a, b, c, d, e, f, g, h, K[48], W(48)); R(h, a, b, c, d, e, f, g, K[49], W(49)); R(g, h, a, b, c, d, e, f, K[50], W(50)); R(f, g, h, a, b, c, d, e, K[51], W(51)); R(e, f, g, h, a, b, c, d, K[52], W(52)); R(d, e, f, g, h, a, b, c, K[53], W(53)); R(c, d, e, f, g, h, a, b, K[54], W(54)); R(b, c, d, e, f, g, h, a, K[55], W(55)); R(a, b, c, d, e, f, g, h, K[56], W(56)); R(h, a, b, c, d, e, f, g, K[57], W(57)); R(g, h, a, b, c, d, e, f, K[58], W(58)); R(f, g, h, a, b, c, d, e, K[59], W(59)); R(e, f, g, h, a, b, c, d, K[60], W(60)); R(d, e, f, g, h, a, b, c, K[61], W(61)); R(c, d, e, f, g, h, a, b, K[62], W(62)); R(b, c, d, e, f, g, h, a, K[63], W(63)); R(a, b, c, d, e, f, g, h, K[64], L(64)); R(h, a, b, c, d, e, f, g, K[65], L(65)); R(g, h, a, b, c, d, e, f, K[66], L(66)); R(f, g, h, a, b, c, d, e, K[67], L(67)); I(0); I(1); I(2); I(3); R(e, f, g, h, a, b, c, d, K[68], L(68)); R(d, e, f, g, h, a, b, c, K[69], L(69)); R(c, d, e, f, g, h, a, b, K[70], L(70)); R(b, c, d, e, f, g, h, a, K[71], L(71)); I(4); I(5); I(6); I(7); R(a, b, c, d, e, f, g, h, K[72], L(72)); R(h, a, b, c, d, e, f, g, K[73], L(73)); R(g, h, a, b, c, d, e, f, K[74], L(74)); R(f, g, h, a, b, c, d, e, K[75], L(75)); I(8); I(9); I(10); I(11); R(e, f, g, h, a, b, c, d, K[76], L(76)); R(d, e, f, g, h, a, b, c, K[77], L(77)); R(c, d, e, f, g, h, a, b, K[78], L(78)); R(b, c, d, e, f, g, h, a, K[79], L(79)); I(12); I(13); I(14); I(15); data += 128; a += state[0]; b += state[1]; c += state[2]; d += state[3]; e += state[4]; f += state[5]; g += state[6]; h += state[7]; state[0] = a; state[1] = b; state[2] = c; state[3] = d; state[4] = e; state[5] = f; state[6] = g; state[7] = h; R(a, b, c, d, e, f, g, h, K[0], W(0)); R(h, a, b, c, d, e, f, g, K[1], W(1)); R(g, h, a, b, c, d, e, f, K[2], W(2)); R(f, g, h, a, b, c, d, e, K[3], W(3)); R(e, f, g, h, a, b, c, d, K[4], W(4)); R(d, e, f, g, h, a, b, c, K[5], W(5)); R(c, d, e, f, g, h, a, b, K[6], W(6)); R(b, c, d, e, f, g, h, a, K[7], W(7)); R(a, b, c, d, e, f, g, h, K[8], W(8)); R(h, a, b, c, d, e, f, g, K[9], W(9)); R(g, h, a, b, c, d, e, f, K[10], W(10)); R(f, g, h, a, b, c, d, e, K[11], W(11)); R(e, f, g, h, a, b, c, d, K[12], W(12)); R(d, e, f, g, h, a, b, c, K[13], W(13)); R(c, d, e, f, g, h, a, b, K[14], W(14)); R(b, c, d, e, f, g, h, a, K[15], W(15)); R(a, b, c, d, e, f, g, h, K[16], W(16)); R(h, a, b, c, d, e, f, g, K[17], W(17)); R(g, h, a, b, c, d, e, f, K[18], W(18)); R(f, g, h, a, b, c, d, e, K[19], W(19)); R(e, f, g, h, a, b, c, d, K[20], W(20)); R(d, e, f, g, h, a, b, c, K[21], W(21)); R(c, d, e, f, g, h, a, b, K[22], W(22)); R(b, c, d, e, f, g, h, a, K[23], W(23)); R(a, b, c, d, e, f, g, h, K[24], W(24)); R(h, a, b, c, d, e, f, g, K[25], W(25)); R(g, h, a, b, c, d, e, f, K[26], W(26)); R(f, g, h, a, b, c, d, e, K[27], W(27)); R(e, f, g, h, a, b, c, d, K[28], W(28)); R(d, e, f, g, h, a, b, c, K[29], W(29)); R(c, d, e, f, g, h, a, b, K[30], W(30)); R(b, c, d, e, f, g, h, a, K[31], W(31)); R(a, b, c, d, e, f, g, h, K[32], W(32)); R(h, a, b, c, d, e, f, g, K[33], W(33)); R(g, h, a, b, c, d, e, f, K[34], W(34)); R(f, g, h, a, b, c, d, e, K[35], W(35)); R(e, f, g, h, a, b, c, d, K[36], W(36)); R(d, e, f, g, h, a, b, c, K[37], W(37)); R(c, d, e, f, g, h, a, b, K[38], W(38)); R(b, c, d, e, f, g, h, a, K[39], W(39)); R(a, b, c, d, e, f, g, h, K[40], W(40)); R(h, a, b, c, d, e, f, g, K[41], W(41)); R(g, h, a, b, c, d, e, f, K[42], W(42)); R(f, g, h, a, b, c, d, e, K[43], W(43)); R(e, f, g, h, a, b, c, d, K[44], W(44)); R(d, e, f, g, h, a, b, c, K[45], W(45)); R(c, d, e, f, g, h, a, b, K[46], W(46)); R(b, c, d, e, f, g, h, a, K[47], W(47)); R(a, b, c, d, e, f, g, h, K[48], W(48)); R(h, a, b, c, d, e, f, g, K[49], W(49)); R(g, h, a, b, c, d, e, f, K[50], W(50)); R(f, g, h, a, b, c, d, e, K[51], W(51)); R(e, f, g, h, a, b, c, d, K[52], W(52)); R(d, e, f, g, h, a, b, c, K[53], W(53)); R(c, d, e, f, g, h, a, b, K[54], W(54)); R(b, c, d, e, f, g, h, a, K[55], W(55)); R(a, b, c, d, e, f, g, h, K[56], W(56)); R(h, a, b, c, d, e, f, g, K[57], W(57)); R(g, h, a, b, c, d, e, f, K[58], W(58)); R(f, g, h, a, b, c, d, e, K[59], W(59)); R(e, f, g, h, a, b, c, d, K[60], W(60)); R(d, e, f, g, h, a, b, c, K[61], W(61)); R(c, d, e, f, g, h, a, b, K[62], W(62)); R(b, c, d, e, f, g, h, a, K[63], W(63)); R(a, b, c, d, e, f, g, h, K[64], L(64)); R(h, a, b, c, d, e, f, g, K[65], L(65)); R(g, h, a, b, c, d, e, f, K[66], L(66)); R(f, g, h, a, b, c, d, e, K[67], L(67)); R(e, f, g, h, a, b, c, d, K[68], L(68)); R(d, e, f, g, h, a, b, c, K[69], L(69)); R(c, d, e, f, g, h, a, b, K[70], L(70)); R(b, c, d, e, f, g, h, a, K[71], L(71)); R(a, b, c, d, e, f, g, h, K[72], L(72)); R(h, a, b, c, d, e, f, g, K[73], L(73)); R(g, h, a, b, c, d, e, f, K[74], L(74)); R(f, g, h, a, b, c, d, e, K[75], L(75)); R(e, f, g, h, a, b, c, d, K[76], L(76)); R(d, e, f, g, h, a, b, c, K[77], L(77)); R(c, d, e, f, g, h, a, b, K[78], L(78)); R(b, c, d, e, f, g, h, a, K[79], L(79)); a += state[0]; b += state[1]; c += state[2]; d += state[3]; e += state[4]; f += state[5]; g += state[6]; h += state[7]; state[0] = a; state[1] = b; state[2] = c; state[3] = d; state[4] = e; state[5] = f; state[6] = g; state[7] = h; nblks -= 2; } while (nblks) { I(0); I(1); I(2); I(3); I(4); I(5); I(6); I(7); I(8); I(9); I(10); I(11); I(12); I(13); I(14); I(15); data += 128; R(a, b, c, d, e, f, g, h, K[0], W(0)); R(h, a, b, c, d, e, f, g, K[1], W(1)); R(g, h, a, b, c, d, e, f, K[2], W(2)); R(f, g, h, a, b, c, d, e, K[3], W(3)); R(e, f, g, h, a, b, c, d, K[4], W(4)); R(d, e, f, g, h, a, b, c, K[5], W(5)); R(c, d, e, f, g, h, a, b, K[6], W(6)); R(b, c, d, e, f, g, h, a, K[7], W(7)); R(a, b, c, d, e, f, g, h, K[8], W(8)); R(h, a, b, c, d, e, f, g, K[9], W(9)); R(g, h, a, b, c, d, e, f, K[10], W(10)); R(f, g, h, a, b, c, d, e, K[11], W(11)); R(e, f, g, h, a, b, c, d, K[12], W(12)); R(d, e, f, g, h, a, b, c, K[13], W(13)); R(c, d, e, f, g, h, a, b, K[14], W(14)); R(b, c, d, e, f, g, h, a, K[15], W(15)); R(a, b, c, d, e, f, g, h, K[16], W(16)); R(h, a, b, c, d, e, f, g, K[17], W(17)); R(g, h, a, b, c, d, e, f, K[18], W(18)); R(f, g, h, a, b, c, d, e, K[19], W(19)); R(e, f, g, h, a, b, c, d, K[20], W(20)); R(d, e, f, g, h, a, b, c, K[21], W(21)); R(c, d, e, f, g, h, a, b, K[22], W(22)); R(b, c, d, e, f, g, h, a, K[23], W(23)); R(a, b, c, d, e, f, g, h, K[24], W(24)); R(h, a, b, c, d, e, f, g, K[25], W(25)); R(g, h, a, b, c, d, e, f, K[26], W(26)); R(f, g, h, a, b, c, d, e, K[27], W(27)); R(e, f, g, h, a, b, c, d, K[28], W(28)); R(d, e, f, g, h, a, b, c, K[29], W(29)); R(c, d, e, f, g, h, a, b, K[30], W(30)); R(b, c, d, e, f, g, h, a, K[31], W(31)); R(a, b, c, d, e, f, g, h, K[32], W(32)); R(h, a, b, c, d, e, f, g, K[33], W(33)); R(g, h, a, b, c, d, e, f, K[34], W(34)); R(f, g, h, a, b, c, d, e, K[35], W(35)); R(e, f, g, h, a, b, c, d, K[36], W(36)); R(d, e, f, g, h, a, b, c, K[37], W(37)); R(c, d, e, f, g, h, a, b, K[38], W(38)); R(b, c, d, e, f, g, h, a, K[39], W(39)); R(a, b, c, d, e, f, g, h, K[40], W(40)); R(h, a, b, c, d, e, f, g, K[41], W(41)); R(g, h, a, b, c, d, e, f, K[42], W(42)); R(f, g, h, a, b, c, d, e, K[43], W(43)); R(e, f, g, h, a, b, c, d, K[44], W(44)); R(d, e, f, g, h, a, b, c, K[45], W(45)); R(c, d, e, f, g, h, a, b, K[46], W(46)); R(b, c, d, e, f, g, h, a, K[47], W(47)); R(a, b, c, d, e, f, g, h, K[48], W(48)); R(h, a, b, c, d, e, f, g, K[49], W(49)); R(g, h, a, b, c, d, e, f, K[50], W(50)); R(f, g, h, a, b, c, d, e, K[51], W(51)); R(e, f, g, h, a, b, c, d, K[52], W(52)); R(d, e, f, g, h, a, b, c, K[53], W(53)); R(c, d, e, f, g, h, a, b, K[54], W(54)); R(b, c, d, e, f, g, h, a, K[55], W(55)); R(a, b, c, d, e, f, g, h, K[56], W(56)); R(h, a, b, c, d, e, f, g, K[57], W(57)); R(g, h, a, b, c, d, e, f, K[58], W(58)); R(f, g, h, a, b, c, d, e, K[59], W(59)); R(e, f, g, h, a, b, c, d, K[60], W(60)); R(d, e, f, g, h, a, b, c, K[61], W(61)); R(c, d, e, f, g, h, a, b, K[62], W(62)); R(b, c, d, e, f, g, h, a, K[63], W(63)); R(a, b, c, d, e, f, g, h, K[64], L(64)); R(h, a, b, c, d, e, f, g, K[65], L(65)); R(g, h, a, b, c, d, e, f, K[66], L(66)); R(f, g, h, a, b, c, d, e, K[67], L(67)); R(e, f, g, h, a, b, c, d, K[68], L(68)); R(d, e, f, g, h, a, b, c, K[69], L(69)); R(c, d, e, f, g, h, a, b, K[70], L(70)); R(b, c, d, e, f, g, h, a, K[71], L(71)); R(a, b, c, d, e, f, g, h, K[72], L(72)); R(h, a, b, c, d, e, f, g, K[73], L(73)); R(g, h, a, b, c, d, e, f, K[74], L(74)); R(f, g, h, a, b, c, d, e, K[75], L(75)); R(e, f, g, h, a, b, c, d, K[76], L(76)); R(d, e, f, g, h, a, b, c, K[77], L(77)); R(c, d, e, f, g, h, a, b, K[78], L(78)); R(b, c, d, e, f, g, h, a, K[79], L(79)); a += state[0]; b += state[1]; c += state[2]; d += state[3]; e += state[4]; f += state[5]; g += state[6]; h += state[7]; state[0] = a; state[1] = b; state[2] = c; state[3] = d; state[4] = e; state[5] = f; state[6] = g; state[7] = h; nblks--; } return sizeof(w); } #endif /* ENABLE_PPC_CRYPTO_SUPPORT */