diff options
Diffstat (limited to 'src/crypto/isa-l/isa-l_crypto/mh_sha1/sha1_for_mh_sha1.c')
| -rw-r--r-- | src/crypto/isa-l/isa-l_crypto/mh_sha1/sha1_for_mh_sha1.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/mh_sha1/sha1_for_mh_sha1.c b/src/crypto/isa-l/isa-l_crypto/mh_sha1/sha1_for_mh_sha1.c new file mode 100644 index 000000000..697155b50 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/mh_sha1/sha1_for_mh_sha1.c @@ -0,0 +1,212 @@ +/********************************************************************** + Copyright(c) 2011-2016 Intel Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**********************************************************************/ + +#include "mh_sha1_internal.h" +#include <string.h> + +//////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////// +// Reference SHA1 Functions for mh_sha1 +//////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////// + +#define W(x) w[(x) & 15] + +#define step00_19(i,a,b,c,d,e) \ + if (i>15) W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + else W(i) = bswap(ww[i]); \ + e += rol32(a,5) + F1(b,c,d) + 0x5A827999 + W(i); \ + b = rol32(b,30) + +#define step20_39(i,a,b,c,d,e) \ + W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + e += rol32(a,5) + F2(b,c,d) + 0x6ED9EBA1 + W(i); \ + b = rol32(b,30) + +#define step40_59(i,a,b,c,d,e) \ + W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + e += rol32(a,5) + F3(b,c,d) + 0x8F1BBCDC + W(i); \ + b = rol32(b,30) + +#define step60_79(i,a,b,c,d,e) \ + W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + e += rol32(a,5) + F4(b,c,d) + 0xCA62C1D6 + W(i); \ + b = rol32(b,30) + +void sha1_single_for_mh_sha1(const uint8_t * data, uint32_t digest[]) +{ + uint32_t a, b, c, d, e; + uint32_t w[16] = { 0 }; + uint32_t *ww = (uint32_t *) data; + + a = digest[0]; + b = digest[1]; + c = digest[2]; + d = digest[3]; + e = digest[4]; + + step00_19(0, a, b, c, d, e); + step00_19(1, e, a, b, c, d); + step00_19(2, d, e, a, b, c); + step00_19(3, c, d, e, a, b); + step00_19(4, b, c, d, e, a); + step00_19(5, a, b, c, d, e); + step00_19(6, e, a, b, c, d); + step00_19(7, d, e, a, b, c); + step00_19(8, c, d, e, a, b); + step00_19(9, b, c, d, e, a); + step00_19(10, a, b, c, d, e); + step00_19(11, e, a, b, c, d); + step00_19(12, d, e, a, b, c); + step00_19(13, c, d, e, a, b); + step00_19(14, b, c, d, e, a); + step00_19(15, a, b, c, d, e); + step00_19(16, e, a, b, c, d); + step00_19(17, d, e, a, b, c); + step00_19(18, c, d, e, a, b); + step00_19(19, b, c, d, e, a); + + step20_39(20, a, b, c, d, e); + step20_39(21, e, a, b, c, d); + step20_39(22, d, e, a, b, c); + step20_39(23, c, d, e, a, b); + step20_39(24, b, c, d, e, a); + step20_39(25, a, b, c, d, e); + step20_39(26, e, a, b, c, d); + step20_39(27, d, e, a, b, c); + step20_39(28, c, d, e, a, b); + step20_39(29, b, c, d, e, a); + step20_39(30, a, b, c, d, e); + step20_39(31, e, a, b, c, d); + step20_39(32, d, e, a, b, c); + step20_39(33, c, d, e, a, b); + step20_39(34, b, c, d, e, a); + step20_39(35, a, b, c, d, e); + step20_39(36, e, a, b, c, d); + step20_39(37, d, e, a, b, c); + step20_39(38, c, d, e, a, b); + step20_39(39, b, c, d, e, a); + + step40_59(40, a, b, c, d, e); + step40_59(41, e, a, b, c, d); + step40_59(42, d, e, a, b, c); + step40_59(43, c, d, e, a, b); + step40_59(44, b, c, d, e, a); + step40_59(45, a, b, c, d, e); + step40_59(46, e, a, b, c, d); + step40_59(47, d, e, a, b, c); + step40_59(48, c, d, e, a, b); + step40_59(49, b, c, d, e, a); + step40_59(50, a, b, c, d, e); + step40_59(51, e, a, b, c, d); + step40_59(52, d, e, a, b, c); + step40_59(53, c, d, e, a, b); + step40_59(54, b, c, d, e, a); + step40_59(55, a, b, c, d, e); + step40_59(56, e, a, b, c, d); + step40_59(57, d, e, a, b, c); + step40_59(58, c, d, e, a, b); + step40_59(59, b, c, d, e, a); + + step60_79(60, a, b, c, d, e); + step60_79(61, e, a, b, c, d); + step60_79(62, d, e, a, b, c); + step60_79(63, c, d, e, a, b); + step60_79(64, b, c, d, e, a); + step60_79(65, a, b, c, d, e); + step60_79(66, e, a, b, c, d); + step60_79(67, d, e, a, b, c); + step60_79(68, c, d, e, a, b); + step60_79(69, b, c, d, e, a); + step60_79(70, a, b, c, d, e); + step60_79(71, e, a, b, c, d); + step60_79(72, d, e, a, b, c); + step60_79(73, c, d, e, a, b); + step60_79(74, b, c, d, e, a); + step60_79(75, a, b, c, d, e); + step60_79(76, e, a, b, c, d); + step60_79(77, d, e, a, b, c); + step60_79(78, c, d, e, a, b); + step60_79(79, b, c, d, e, a); + + digest[0] += a; + digest[1] += b; + digest[2] += c; + digest[3] += d; + digest[4] += e; +} + +void sha1_for_mh_sha1(const uint8_t * input_data, uint32_t * digest, const uint32_t len) +{ + uint32_t i, j; + uint8_t buf[2 * SHA1_BLOCK_SIZE]; + union { + uint64_t uint; + uint8_t uchar[8]; + } convert; + uint8_t *p; + + digest[0] = MH_SHA1_H0; + digest[1] = MH_SHA1_H1; + digest[2] = MH_SHA1_H2; + digest[3] = MH_SHA1_H3; + digest[4] = MH_SHA1_H4; + + i = len; + while (i >= SHA1_BLOCK_SIZE) { + sha1_single_for_mh_sha1(input_data, digest); + input_data += SHA1_BLOCK_SIZE; + i -= SHA1_BLOCK_SIZE; + } + + memcpy(buf, input_data, i); + buf[i++] = 0x80; + for (j = i; j < ((2 * SHA1_BLOCK_SIZE) - 8); j++) + buf[j] = 0; + + if (i > SHA1_BLOCK_SIZE - 8) + i = 2 * SHA1_BLOCK_SIZE; + else + i = SHA1_BLOCK_SIZE; + + convert.uint = 8 * len; + p = buf + i - 8; + p[0] = convert.uchar[7]; + p[1] = convert.uchar[6]; + p[2] = convert.uchar[5]; + p[3] = convert.uchar[4]; + p[4] = convert.uchar[3]; + p[5] = convert.uchar[2]; + p[6] = convert.uchar[1]; + p[7] = convert.uchar[0]; + + sha1_single_for_mh_sha1(buf, digest); + if (i == (2 * SHA1_BLOCK_SIZE)) + sha1_single_for_mh_sha1(buf + SHA1_BLOCK_SIZE, digest); +} |