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/*
#
# Copyright 2008-2011 Lukas Lueg, lukas.lueg@gmail.com
#
# This file is part of Pyrit.
#
# Pyrit is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrit 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Pyrit. If not, see <http://www.gnu.org/licenses/>.
#
# Additional permission under GNU GPL version 3 section 7
#
# If you modify this Program, or any covered work, by linking or
# combining it with any library or libraries implementing the
# Khronos Group OpenCL Standard v1.0 or later (or modified
# versions of those libraries), containing parts covered by the
# terms of the licenses of their respective copyright owners,
# the licensors of this Program grant you additional permission
# to convey the resulting work.
*/
void sha1_process(__private const SHA_DEV_CTX ctx, __private SHA_DEV_CTX *data)
{
uint32_t temp, W[16], A, B, C, D, E;
W[ 0] = data->h0; W[ 1] = data->h1;
W[ 2] = data->h2; W[ 3] = data->h3;
W[ 4] = data->h4; W[ 5] = 0x80000000;
W[ 6] = 0; W[ 7] = 0;
W[ 8] = 0; W[ 9] = 0;
W[10] = 0; W[11] = 0;
W[12] = 0; W[13] = 0;
W[14] = 0; W[15] = (64+20)*8;
A = ctx.h0;
B = ctx.h1;
C = ctx.h2;
D = ctx.h3;
E = ctx.h4;
#undef R
#define R(t) \
( \
temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \
W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \
( W[t & 0x0F] = rotate((int)temp,1) ) \
)
#undef P
#define P(a,b,c,d,e,x) \
{ \
e += rotate((int)a,5) + F(b,c,d) + K + x; b = rotate((int)b,30);\
}
#define F(x,y,z) (z ^ (x & (y ^ z)))
#define K 0x5A827999
P( A, B, C, D, E, W[0] );
P( E, A, B, C, D, W[1] );
P( D, E, A, B, C, W[2] );
P( C, D, E, A, B, W[3] );
P( B, C, D, E, A, W[4] );
P( A, B, C, D, E, W[5] );
P( E, A, B, C, D, W[6] );
P( D, E, A, B, C, W[7] );
P( C, D, E, A, B, W[8] );
P( B, C, D, E, A, W[9] );
P( A, B, C, D, E, W[10] );
P( E, A, B, C, D, W[11] );
P( D, E, A, B, C, W[12] );
P( C, D, E, A, B, W[13] );
P( B, C, D, E, A, W[14] );
P( A, B, C, D, E, W[15] );
P( E, A, B, C, D, R(16) );
P( D, E, A, B, C, R(17) );
P( C, D, E, A, B, R(18) );
P( B, C, D, E, A, R(19) );
#undef K
#undef F
#define F(x,y,z) (x ^ y ^ z)
#define K 0x6ED9EBA1
P( A, B, C, D, E, R(20) );
P( E, A, B, C, D, R(21) );
P( D, E, A, B, C, R(22) );
P( C, D, E, A, B, R(23) );
P( B, C, D, E, A, R(24) );
P( A, B, C, D, E, R(25) );
P( E, A, B, C, D, R(26) );
P( D, E, A, B, C, R(27) );
P( C, D, E, A, B, R(28) );
P( B, C, D, E, A, R(29) );
P( A, B, C, D, E, R(30) );
P( E, A, B, C, D, R(31) );
P( D, E, A, B, C, R(32) );
P( C, D, E, A, B, R(33) );
P( B, C, D, E, A, R(34) );
P( A, B, C, D, E, R(35) );
P( E, A, B, C, D, R(36) );
P( D, E, A, B, C, R(37) );
P( C, D, E, A, B, R(38) );
P( B, C, D, E, A, R(39) );
#undef K
#undef F
#define F(x,y,z) ((x & y) | (z & (x | y)))
#define K 0x8F1BBCDC
P( A, B, C, D, E, R(40) );
P( E, A, B, C, D, R(41) );
P( D, E, A, B, C, R(42) );
P( C, D, E, A, B, R(43) );
P( B, C, D, E, A, R(44) );
P( A, B, C, D, E, R(45) );
P( E, A, B, C, D, R(46) );
P( D, E, A, B, C, R(47) );
P( C, D, E, A, B, R(48) );
P( B, C, D, E, A, R(49) );
P( A, B, C, D, E, R(50) );
P( E, A, B, C, D, R(51) );
P( D, E, A, B, C, R(52) );
P( C, D, E, A, B, R(53) );
P( B, C, D, E, A, R(54) );
P( A, B, C, D, E, R(55) );
P( E, A, B, C, D, R(56) );
P( D, E, A, B, C, R(57) );
P( C, D, E, A, B, R(58) );
P( B, C, D, E, A, R(59) );
#undef K
#undef F
#define F(x,y,z) (x ^ y ^ z)
#define K 0xCA62C1D6
P( A, B, C, D, E, R(60) );
P( E, A, B, C, D, R(61) );
P( D, E, A, B, C, R(62) );
P( C, D, E, A, B, R(63) );
P( B, C, D, E, A, R(64) );
P( A, B, C, D, E, R(65) );
P( E, A, B, C, D, R(66) );
P( D, E, A, B, C, R(67) );
P( C, D, E, A, B, R(68) );
P( B, C, D, E, A, R(69) );
P( A, B, C, D, E, R(70) );
P( E, A, B, C, D, R(71) );
P( D, E, A, B, C, R(72) );
P( C, D, E, A, B, R(73) );
P( B, C, D, E, A, R(74) );
P( A, B, C, D, E, R(75) );
P( E, A, B, C, D, R(76) );
P( D, E, A, B, C, R(77) );
P( C, D, E, A, B, R(78) );
P( B, C, D, E, A, R(79) );
#undef K
#undef F
data->h0 = ctx.h0 + A;
data->h1 = ctx.h1 + B;
data->h2 = ctx.h2 + C;
data->h3 = ctx.h3 + D;
data->h4 = ctx.h4 + E;
}
__kernel
void opencl_pmk_kernel(__global gpu_inbuffer *inbuffer, __global gpu_outbuffer *outbuffer) {
int i;
const int idx = get_global_id(0);
SHA_DEV_CTX temp_ctx;
SHA_DEV_CTX pmk_ctx;
SHA_DEV_CTX ipad;
SHA_DEV_CTX opad;
CPY_DEVCTX(inbuffer[idx].ctx_ipad, ipad);
CPY_DEVCTX(inbuffer[idx].ctx_opad, opad);
CPY_DEVCTX(inbuffer[idx].e1, temp_ctx);
CPY_DEVCTX(temp_ctx, pmk_ctx);
for( i = 0; i < 4096-1; i++ )
{
sha1_process(ipad, &temp_ctx);
sha1_process(opad, &temp_ctx);
pmk_ctx.h0 ^= temp_ctx.h0; pmk_ctx.h1 ^= temp_ctx.h1;
pmk_ctx.h2 ^= temp_ctx.h2; pmk_ctx.h3 ^= temp_ctx.h3;
pmk_ctx.h4 ^= temp_ctx.h4;
}
CPY_DEVCTX(pmk_ctx, outbuffer[idx].pmk1);
CPY_DEVCTX(inbuffer[idx].e2, temp_ctx);
CPY_DEVCTX(temp_ctx, pmk_ctx);
for( i = 0; i < 4096-1; i++ )
{
sha1_process(ipad, &temp_ctx);
sha1_process(opad, &temp_ctx);
pmk_ctx.h0 ^= temp_ctx.h0; pmk_ctx.h1 ^= temp_ctx.h1;
pmk_ctx.h2 ^= temp_ctx.h2; pmk_ctx.h3 ^= temp_ctx.h3;
pmk_ctx.h4 ^= temp_ctx.h4;
}
CPY_DEVCTX(pmk_ctx, outbuffer[idx].pmk2);
}
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