diff options
Diffstat (limited to 'comm/third_party/libgcrypt/cipher/sha512-ppc.c')
| -rw-r--r-- | comm/third_party/libgcrypt/cipher/sha512-ppc.c | 969 |
1 files changed, 969 insertions, 0 deletions
diff --git a/comm/third_party/libgcrypt/cipher/sha512-ppc.c b/comm/third_party/libgcrypt/cipher/sha512-ppc.c new file mode 100644 index 0000000000..31ea25bf9a --- /dev/null +++ b/comm/third_party/libgcrypt/cipher/sha512-ppc.c @@ -0,0 +1,969 @@ +/* sha512-ppc.c - PowerPC vcrypto implementation of SHA-512 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_SHA512) && \ + __GNUC__ >= 4 + +#include <altivec.h> +#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 */ |