diff options
Diffstat (limited to 'comm/third_party/libgcrypt/cipher/sha256-ppc.c')
| -rw-r--r-- | comm/third_party/libgcrypt/cipher/sha256-ppc.c | 795 |
1 files changed, 795 insertions, 0 deletions
diff --git a/comm/third_party/libgcrypt/cipher/sha256-ppc.c b/comm/third_party/libgcrypt/cipher/sha256-ppc.c new file mode 100644 index 0000000000..a9b59714d2 --- /dev/null +++ b/comm/third_party/libgcrypt/cipher/sha256-ppc.c @@ -0,0 +1,795 @@ +/* sha256-ppc.c - PowerPC vcrypto implementation of SHA-256 transform + * Copyright (C) 2019 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#include <config.h> + +#if defined(ENABLE_PPC_CRYPTO_SUPPORT) && \ + defined(HAVE_COMPATIBLE_CC_PPC_ALTIVEC) && \ + defined(HAVE_GCC_INLINE_ASM_PPC_ALTIVEC) && \ + defined(USE_SHA256) && \ + __GNUC__ >= 4 + +#include <altivec.h> +#include "bufhelp.h" + + +typedef vector unsigned char vector16x_u8; +typedef vector unsigned int vector4x_u32; +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 u32 K[64] = + { +#define TBL(v) v + TBL(0x428a2f98), TBL(0x71374491), TBL(0xb5c0fbcf), TBL(0xe9b5dba5), + TBL(0x3956c25b), TBL(0x59f111f1), TBL(0x923f82a4), TBL(0xab1c5ed5), + TBL(0xd807aa98), TBL(0x12835b01), TBL(0x243185be), TBL(0x550c7dc3), + TBL(0x72be5d74), TBL(0x80deb1fe), TBL(0x9bdc06a7), TBL(0xc19bf174), + TBL(0xe49b69c1), TBL(0xefbe4786), TBL(0x0fc19dc6), TBL(0x240ca1cc), + TBL(0x2de92c6f), TBL(0x4a7484aa), TBL(0x5cb0a9dc), TBL(0x76f988da), + TBL(0x983e5152), TBL(0xa831c66d), TBL(0xb00327c8), TBL(0xbf597fc7), + TBL(0xc6e00bf3), TBL(0xd5a79147), TBL(0x06ca6351), TBL(0x14292967), + TBL(0x27b70a85), TBL(0x2e1b2138), TBL(0x4d2c6dfc), TBL(0x53380d13), + TBL(0x650a7354), TBL(0x766a0abb), TBL(0x81c2c92e), TBL(0x92722c85), + TBL(0xa2bfe8a1), TBL(0xa81a664b), TBL(0xc24b8b70), TBL(0xc76c51a3), + TBL(0xd192e819), TBL(0xd6990624), TBL(0xf40e3585), TBL(0x106aa070), + TBL(0x19a4c116), TBL(0x1e376c08), TBL(0x2748774c), TBL(0x34b0bcb5), + TBL(0x391c0cb3), TBL(0x4ed8aa4a), TBL(0x5b9cca4f), TBL(0x682e6ff3), + TBL(0x748f82ee), TBL(0x78a5636f), TBL(0x84c87814), TBL(0x8cc70208), + TBL(0x90befffa), TBL(0xa4506ceb), TBL(0xbef9a3f7), TBL(0xc67178f2) +#undef TBL + }; + + +static ASM_FUNC_ATTR_INLINE vector4x_u32 +vec_rol_elems(vector4x_u32 v, unsigned int idx) +{ +#ifndef WORDS_BIGENDIAN + return vec_sld (v, v, (16 - (4 * idx)) & 15); +#else + return vec_sld (v, v, (4 * idx) & 15); +#endif +} + + +static ASM_FUNC_ATTR_INLINE vector4x_u32 +vec_merge_idx0_elems(vector4x_u32 v0, vector4x_u32 v1, + vector4x_u32 v2, vector4x_u32 v3) +{ + return (vector4x_u32)vec_mergeh ((vector2x_u64) vec_mergeh(v0, v1), + (vector2x_u64) vec_mergeh(v2, v3)); +} + + +static ASM_FUNC_ATTR_INLINE vector4x_u32 +vec_ror_u32(vector4x_u32 v, unsigned int shift) +{ + return (v >> (shift & 31)) ^ (v << ((32 - shift) & 31)); +} + + +static ASM_FUNC_ATTR_INLINE vector4x_u32 +vec_vshasigma_u32(vector4x_u32 v, unsigned int a, unsigned int b) +{ + asm ("vshasigmaw %0,%1,%2,%3" + : "=v" (v) + : "v" (v), "g" (a), "g" (b) + : "memory"); + return v; +} + + +/* 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_u32(x, 1, 0)) + +#define Sum1(x) (vec_vshasigma_u32(x, 1, 15)) + + +/* Message expansion on general purpose registers */ +#define S0(x) (ror ((x), 7) ^ ror ((x), 18) ^ ((x) >> 3)) +#define S1(x) (ror ((x), 17) ^ ror ((x), 19) ^ ((x) >> 10)) + +#define I(i) ( w[i] = buf_get_be32(data + i * 4) ) +#define W(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 I2(i) ( w2[i] = buf_get_be32(64 + data + i * 4), I(i) ) +#define W2(i) ({ w2[i] = w2[i-7]; \ + w2[i] += S1(w2[i-2]); \ + w2[i] += S0(w2[i-15]); \ + w2[i] += w2[i-16]; \ + W(i); }) +#define R2(i) ( w2[i] ) + + +unsigned int ASM_FUNC_ATTR +_gcry_sha256_transform_ppc8(u32 state[8], const unsigned char *data, + size_t nblks) +{ + /* GPRs used for message expansion as vector intrinsics based generates + * slower code. */ + vector4x_u32 h0, h1, h2, h3, h4, h5, h6, h7; + vector4x_u32 h0_h3, h4_h7; + vector4x_u32 a, b, c, d, e, f, g, h, t1, t2; + u32 w[16]; + u32 w2[64]; + + h0_h3 = vec_vsx_ld (4 * 0, state); + h4_h7 = vec_vsx_ld (4 * 4, state); + + h0 = h0_h3; + h1 = vec_rol_elems (h0_h3, 1); + h2 = vec_rol_elems (h0_h3, 2); + h3 = vec_rol_elems (h0_h3, 3); + h4 = h4_h7; + h5 = vec_rol_elems (h4_h7, 1); + h6 = vec_rol_elems (h4_h7, 2); + h7 = vec_rol_elems (h4_h7, 3); + + while (nblks >= 2) + { + 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], I2(0)); + R(h, a, b, c, d, e, f, g, K[1], I2(1)); + R(g, h, a, b, c, d, e, f, K[2], I2(2)); + R(f, g, h, a, b, c, d, e, K[3], I2(3)); + R(e, f, g, h, a, b, c, d, K[4], I2(4)); + R(d, e, f, g, h, a, b, c, K[5], I2(5)); + R(c, d, e, f, g, h, a, b, K[6], I2(6)); + R(b, c, d, e, f, g, h, a, K[7], I2(7)); + R(a, b, c, d, e, f, g, h, K[8], I2(8)); + R(h, a, b, c, d, e, f, g, K[9], I2(9)); + R(g, h, a, b, c, d, e, f, K[10], I2(10)); + R(f, g, h, a, b, c, d, e, K[11], I2(11)); + R(e, f, g, h, a, b, c, d, K[12], I2(12)); + R(d, e, f, g, h, a, b, c, K[13], I2(13)); + R(c, d, e, f, g, h, a, b, K[14], I2(14)); + R(b, c, d, e, f, g, h, a, K[15], I2(15)); + data += 64 * 2; + + R(a, b, c, d, e, f, g, h, K[16], W2(16)); + R(h, a, b, c, d, e, f, g, K[17], W2(17)); + R(g, h, a, b, c, d, e, f, K[18], W2(18)); + R(f, g, h, a, b, c, d, e, K[19], W2(19)); + R(e, f, g, h, a, b, c, d, K[20], W2(20)); + R(d, e, f, g, h, a, b, c, K[21], W2(21)); + R(c, d, e, f, g, h, a, b, K[22], W2(22)); + R(b, c, d, e, f, g, h, a, K[23], W2(23)); + R(a, b, c, d, e, f, g, h, K[24], W2(24)); + R(h, a, b, c, d, e, f, g, K[25], W2(25)); + R(g, h, a, b, c, d, e, f, K[26], W2(26)); + R(f, g, h, a, b, c, d, e, K[27], W2(27)); + R(e, f, g, h, a, b, c, d, K[28], W2(28)); + R(d, e, f, g, h, a, b, c, K[29], W2(29)); + R(c, d, e, f, g, h, a, b, K[30], W2(30)); + R(b, c, d, e, f, g, h, a, K[31], W2(31)); + + R(a, b, c, d, e, f, g, h, K[32], W2(32)); + R(h, a, b, c, d, e, f, g, K[33], W2(33)); + R(g, h, a, b, c, d, e, f, K[34], W2(34)); + R(f, g, h, a, b, c, d, e, K[35], W2(35)); + R(e, f, g, h, a, b, c, d, K[36], W2(36)); + R(d, e, f, g, h, a, b, c, K[37], W2(37)); + R(c, d, e, f, g, h, a, b, K[38], W2(38)); + R(b, c, d, e, f, g, h, a, K[39], W2(39)); + R(a, b, c, d, e, f, g, h, K[40], W2(40)); + R(h, a, b, c, d, e, f, g, K[41], W2(41)); + R(g, h, a, b, c, d, e, f, K[42], W2(42)); + R(f, g, h, a, b, c, d, e, K[43], W2(43)); + R(e, f, g, h, a, b, c, d, K[44], W2(44)); + R(d, e, f, g, h, a, b, c, K[45], W2(45)); + R(c, d, e, f, g, h, a, b, K[46], W2(46)); + R(b, c, d, e, f, g, h, a, K[47], W2(47)); + + R(a, b, c, d, e, f, g, h, K[48], W2(48)); + R(h, a, b, c, d, e, f, g, K[49], W2(49)); + R(g, h, a, b, c, d, e, f, K[50], W2(50)); + R(f, g, h, a, b, c, d, e, K[51], W2(51)); + R(e, f, g, h, a, b, c, d, K[52], W2(52)); + R(d, e, f, g, h, a, b, c, K[53], W2(53)); + R(c, d, e, f, g, h, a, b, K[54], W2(54)); + R(b, c, d, e, f, g, h, a, K[55], W2(55)); + R(a, b, c, d, e, f, g, h, K[56], W2(56)); + R(h, a, b, c, d, e, f, g, K[57], W2(57)); + R(g, h, a, b, c, d, e, f, K[58], W2(58)); + R(f, g, h, a, b, c, d, e, K[59], W2(59)); + R(e, f, g, h, a, b, c, d, K[60], W2(60)); + R(d, e, f, g, h, a, b, c, K[61], W2(61)); + R(c, d, e, f, g, h, a, b, K[62], W2(62)); + R(b, c, d, e, f, g, h, a, K[63], W2(63)); + + 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], R2(0)); + R(h, a, b, c, d, e, f, g, K[1], R2(1)); + R(g, h, a, b, c, d, e, f, K[2], R2(2)); + R(f, g, h, a, b, c, d, e, K[3], R2(3)); + R(e, f, g, h, a, b, c, d, K[4], R2(4)); + R(d, e, f, g, h, a, b, c, K[5], R2(5)); + R(c, d, e, f, g, h, a, b, K[6], R2(6)); + R(b, c, d, e, f, g, h, a, K[7], R2(7)); + R(a, b, c, d, e, f, g, h, K[8], R2(8)); + R(h, a, b, c, d, e, f, g, K[9], R2(9)); + R(g, h, a, b, c, d, e, f, K[10], R2(10)); + R(f, g, h, a, b, c, d, e, K[11], R2(11)); + R(e, f, g, h, a, b, c, d, K[12], R2(12)); + R(d, e, f, g, h, a, b, c, K[13], R2(13)); + R(c, d, e, f, g, h, a, b, K[14], R2(14)); + R(b, c, d, e, f, g, h, a, K[15], R2(15)); + + R(a, b, c, d, e, f, g, h, K[16], R2(16)); + R(h, a, b, c, d, e, f, g, K[17], R2(17)); + R(g, h, a, b, c, d, e, f, K[18], R2(18)); + R(f, g, h, a, b, c, d, e, K[19], R2(19)); + R(e, f, g, h, a, b, c, d, K[20], R2(20)); + R(d, e, f, g, h, a, b, c, K[21], R2(21)); + R(c, d, e, f, g, h, a, b, K[22], R2(22)); + R(b, c, d, e, f, g, h, a, K[23], R2(23)); + R(a, b, c, d, e, f, g, h, K[24], R2(24)); + R(h, a, b, c, d, e, f, g, K[25], R2(25)); + R(g, h, a, b, c, d, e, f, K[26], R2(26)); + R(f, g, h, a, b, c, d, e, K[27], R2(27)); + R(e, f, g, h, a, b, c, d, K[28], R2(28)); + R(d, e, f, g, h, a, b, c, K[29], R2(29)); + R(c, d, e, f, g, h, a, b, K[30], R2(30)); + R(b, c, d, e, f, g, h, a, K[31], R2(31)); + + R(a, b, c, d, e, f, g, h, K[32], R2(32)); + R(h, a, b, c, d, e, f, g, K[33], R2(33)); + R(g, h, a, b, c, d, e, f, K[34], R2(34)); + R(f, g, h, a, b, c, d, e, K[35], R2(35)); + R(e, f, g, h, a, b, c, d, K[36], R2(36)); + R(d, e, f, g, h, a, b, c, K[37], R2(37)); + R(c, d, e, f, g, h, a, b, K[38], R2(38)); + R(b, c, d, e, f, g, h, a, K[39], R2(39)); + R(a, b, c, d, e, f, g, h, K[40], R2(40)); + R(h, a, b, c, d, e, f, g, K[41], R2(41)); + R(g, h, a, b, c, d, e, f, K[42], R2(42)); + R(f, g, h, a, b, c, d, e, K[43], R2(43)); + R(e, f, g, h, a, b, c, d, K[44], R2(44)); + R(d, e, f, g, h, a, b, c, K[45], R2(45)); + R(c, d, e, f, g, h, a, b, K[46], R2(46)); + R(b, c, d, e, f, g, h, a, K[47], R2(47)); + + R(a, b, c, d, e, f, g, h, K[48], R2(48)); + R(h, a, b, c, d, e, f, g, K[49], R2(49)); + R(g, h, a, b, c, d, e, f, K[50], R2(50)); + R(f, g, h, a, b, c, d, e, K[51], R2(51)); + R(e, f, g, h, a, b, c, d, K[52], R2(52)); + R(d, e, f, g, h, a, b, c, K[53], R2(53)); + R(c, d, e, f, g, h, a, b, K[54], R2(54)); + R(b, c, d, e, f, g, h, a, K[55], R2(55)); + R(a, b, c, d, e, f, g, h, K[56], R2(56)); + R(h, a, b, c, d, e, f, g, K[57], R2(57)); + R(g, h, a, b, c, d, e, f, K[58], R2(58)); + R(f, g, h, a, b, c, d, e, K[59], R2(59)); + R(e, f, g, h, a, b, c, d, K[60], R2(60)); + R(d, e, f, g, h, a, b, c, K[61], R2(61)); + R(c, d, e, f, g, h, a, b, K[62], R2(62)); + R(b, c, d, e, f, g, h, a, K[63], R2(63)); + + 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; + + R(a, b, c, d, e, f, g, h, K[0], I(0)); + R(h, a, b, c, d, e, f, g, K[1], I(1)); + R(g, h, a, b, c, d, e, f, K[2], I(2)); + R(f, g, h, a, b, c, d, e, K[3], I(3)); + R(e, f, g, h, a, b, c, d, K[4], I(4)); + R(d, e, f, g, h, a, b, c, K[5], I(5)); + R(c, d, e, f, g, h, a, b, K[6], I(6)); + R(b, c, d, e, f, g, h, a, K[7], I(7)); + R(a, b, c, d, e, f, g, h, K[8], I(8)); + R(h, a, b, c, d, e, f, g, K[9], I(9)); + R(g, h, a, b, c, d, e, f, K[10], I(10)); + R(f, g, h, a, b, c, d, e, K[11], I(11)); + R(e, f, g, h, a, b, c, d, K[12], I(12)); + R(d, e, f, g, h, a, b, c, K[13], I(13)); + R(c, d, e, f, g, h, a, b, K[14], I(14)); + R(b, c, d, e, f, g, h, a, K[15], I(15)); + data += 64; + + 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)); + + h0 += a; + h1 += b; + h2 += c; + h3 += d; + h4 += e; + h5 += f; + h6 += g; + h7 += h; + + nblks--; + } + + h0_h3 = vec_merge_idx0_elems (h0, h1, h2, h3); + h4_h7 = vec_merge_idx0_elems (h4, h5, h6, h7); + vec_vsx_st (h0_h3, 4 * 0, state); + vec_vsx_st (h4_h7, 4 * 4, state); + + return sizeof(w2) + 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) (ror (x, 2) ^ ror (x ^ ror (x, 22-13), 13)) + +#define Sum1(x) (ror (x, 6) ^ ror (x, 11) ^ ror (x, 25)) + + +/* Message expansion on general purpose registers */ +#define S0(x) (ror ((x), 7) ^ ror ((x), 18) ^ ((x) >> 3)) +#define S1(x) (ror ((x), 17) ^ ror ((x), 19) ^ ((x) >> 10)) + +#define I(i) ( w[i] = buf_get_be32(data + i * 4) ) +#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) ({ u32 r = w[i&0x0f]; WN(i); r; }) +#define L(i) w[i&0x0f] + + +unsigned int ASM_FUNC_ATTR +_gcry_sha256_transform_ppc9(u32 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. */ + u32 a, b, c, d, e, f, g, h, t1, t2; + u32 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 += 64; + 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], L(48)); + R(h, a, b, c, d, e, f, g, K[49], L(49)); + R(g, h, a, b, c, d, e, f, K[50], L(50)); + R(f, g, h, a, b, c, d, e, K[51], L(51)); + I(0); I(1); I(2); I(3); + R(e, f, g, h, a, b, c, d, K[52], L(52)); + R(d, e, f, g, h, a, b, c, K[53], L(53)); + R(c, d, e, f, g, h, a, b, K[54], L(54)); + R(b, c, d, e, f, g, h, a, K[55], L(55)); + I(4); I(5); I(6); I(7); + R(a, b, c, d, e, f, g, h, K[56], L(56)); + R(h, a, b, c, d, e, f, g, K[57], L(57)); + R(g, h, a, b, c, d, e, f, K[58], L(58)); + R(f, g, h, a, b, c, d, e, K[59], L(59)); + I(8); I(9); I(10); I(11); + R(e, f, g, h, a, b, c, d, K[60], L(60)); + R(d, e, f, g, h, a, b, c, K[61], L(61)); + R(c, d, e, f, g, h, a, b, K[62], L(62)); + R(b, c, d, e, f, g, h, a, K[63], L(63)); + I(12); I(13); I(14); I(15); + data += 64; + + 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], L(48)); + R(h, a, b, c, d, e, f, g, K[49], L(49)); + R(g, h, a, b, c, d, e, f, K[50], L(50)); + R(f, g, h, a, b, c, d, e, K[51], L(51)); + R(e, f, g, h, a, b, c, d, K[52], L(52)); + R(d, e, f, g, h, a, b, c, K[53], L(53)); + R(c, d, e, f, g, h, a, b, K[54], L(54)); + R(b, c, d, e, f, g, h, a, K[55], L(55)); + R(a, b, c, d, e, f, g, h, K[56], L(56)); + R(h, a, b, c, d, e, f, g, K[57], L(57)); + R(g, h, a, b, c, d, e, f, K[58], L(58)); + R(f, g, h, a, b, c, d, e, K[59], L(59)); + R(e, f, g, h, a, b, c, d, K[60], L(60)); + R(d, e, f, g, h, a, b, c, K[61], L(61)); + R(c, d, e, f, g, h, a, b, K[62], L(62)); + R(b, c, d, e, f, g, h, a, K[63], L(63)); + + 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 += 64; + 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], L(48)); + R(h, a, b, c, d, e, f, g, K[49], L(49)); + R(g, h, a, b, c, d, e, f, K[50], L(50)); + R(f, g, h, a, b, c, d, e, K[51], L(51)); + R(e, f, g, h, a, b, c, d, K[52], L(52)); + R(d, e, f, g, h, a, b, c, K[53], L(53)); + R(c, d, e, f, g, h, a, b, K[54], L(54)); + R(b, c, d, e, f, g, h, a, K[55], L(55)); + R(a, b, c, d, e, f, g, h, K[56], L(56)); + R(h, a, b, c, d, e, f, g, K[57], L(57)); + R(g, h, a, b, c, d, e, f, K[58], L(58)); + R(f, g, h, a, b, c, d, e, K[59], L(59)); + R(e, f, g, h, a, b, c, d, K[60], L(60)); + R(d, e, f, g, h, a, b, c, K[61], L(61)); + R(c, d, e, f, g, h, a, b, K[62], L(62)); + R(b, c, d, e, f, g, h, a, K[63], L(63)); + + 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 */ |