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/* 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
*/
#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 */