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- /*
- * Copyright (C) 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 "owndefs.h"
- #include "owncp.h"
- #include "pcphash.h"
- #include "pcptool.h"
- #pragma message("IPP_ALG_HASH_MD5 enabled")
- /*
- // Magic functions defined in RFC 1321
- //
- */
- #define F(X,Y,Z) ((Z) ^ ((X) & ((Y) ^ (Z)))) /* sightly optimized form of (((X) & (Y)) | ((~(X) & (Z)))*/
- #define G(X,Y,Z) F((Z),(X),(Y)) /* replace the original (((X) & (Z)) | ((Y) & ~(Z))) */
- #define H(X,Y,Z) ((X) ^ (Y) ^ (Z))
- #define I(X,Y,Z) ((Y) ^ ((X) | ~(Z)))
- /*
- // MD5 step
- */
- #define MD5_STEP(MAGIC, A,B,C,D, data, constant, nrot) \
- (A = B +ROL32((A +MAGIC(B,C,D) +data +constant), nrot))
- /*
- // MD5 left rotations (number of bits)
- // depends on round type
- */
- #define F1 7
- #define F2 12
- #define F3 17
- #define F4 22
- #define G1 5
- #define G2 9
- #define G3 14
- #define G4 20
- #define H1 4
- #define H2 11
- #define H3 16
- #define H4 23
- #define I1 6
- #define I2 10
- #define I3 15
- #define I4 21
- /*F*
- // Name: UpdateMD5
- //
- // Purpose: Update internal hash according to input message stream.
- //
- // Parameters:
- // uniHash pointer to in/out hash
- // mblk pointer to message stream
- // mlen message stream length (multiple by message block size)
- // uniParam pointer to the optional parameter
- //
- *F*/
- void UpdateMD5(void* uinHash, const Ipp8u* mblk, int mlen, const void* uniParam)
- {
- Ipp32u* digest = (Ipp32u*)uinHash;
- Ipp32u* MD5_cnt_loc = (Ipp32u*)uniParam;
- for(; mlen>=MBS_MD5; mblk += MBS_MD5, mlen -= MBS_MD5) {
- /* allocate data */
- #if (IPP_ENDIAN == IPP_BIG_ENDIAN)
- Ipp32u data[MBS_MD5/sizeof(Ipp32u)];
- #else
- /* or just word alias */
- Ipp32u* data = (Ipp32u*)mblk;
- #endif
- /* init variables */
- Ipp32u a = digest[0];
- Ipp32u b = digest[1];
- Ipp32u c = digest[2];
- Ipp32u d = digest[3];
- #if (IPP_ENDIAN == IPP_BIG_ENDIAN)
- int t;
- for(t=0; t<16; t++) {
- data[t] = ENDIANNESS(((Ipp32u*)mblk)[t]);
- }
- #endif
- /* rounds type F */
- MD5_STEP(F, a,b,c,d, data[ 0], MD5_cnt_loc[ 0], F1);
- MD5_STEP(F, d,a,b,c, data[ 1], MD5_cnt_loc[ 1], F2);
- MD5_STEP(F, c,d,a,b, data[ 2], MD5_cnt_loc[ 2], F3);
- MD5_STEP(F, b,c,d,a, data[ 3], MD5_cnt_loc[ 3], F4);
- MD5_STEP(F, a,b,c,d, data[ 4], MD5_cnt_loc[ 4], F1);
- MD5_STEP(F, d,a,b,c, data[ 5], MD5_cnt_loc[ 5], F2);
- MD5_STEP(F, c,d,a,b, data[ 6], MD5_cnt_loc[ 6], F3);
- MD5_STEP(F, b,c,d,a, data[ 7], MD5_cnt_loc[ 7], F4);
- MD5_STEP(F, a,b,c,d, data[ 8], MD5_cnt_loc[ 8], F1);
- MD5_STEP(F, d,a,b,c, data[ 9], MD5_cnt_loc[ 9], F2);
- MD5_STEP(F, c,d,a,b, data[10], MD5_cnt_loc[10], F3);
- MD5_STEP(F, b,c,d,a, data[11], MD5_cnt_loc[11], F4);
- MD5_STEP(F, a,b,c,d, data[12], MD5_cnt_loc[12], F1);
- MD5_STEP(F, d,a,b,c, data[13], MD5_cnt_loc[13], F2);
- MD5_STEP(F, c,d,a,b, data[14], MD5_cnt_loc[14], F3);
- MD5_STEP(F, b,c,d,a, data[15], MD5_cnt_loc[15], F4);
- /* rounds type G */
- MD5_STEP(G, a,b,c,d, data[ 1], MD5_cnt_loc[16], G1);
- MD5_STEP(G, d,a,b,c, data[ 6], MD5_cnt_loc[17], G2);
- MD5_STEP(G, c,d,a,b, data[11], MD5_cnt_loc[18], G3);
- MD5_STEP(G, b,c,d,a, data[ 0], MD5_cnt_loc[19], G4);
- MD5_STEP(G, a,b,c,d, data[ 5], MD5_cnt_loc[20], G1);
- MD5_STEP(G, d,a,b,c, data[10], MD5_cnt_loc[21], G2);
- MD5_STEP(G, c,d,a,b, data[15], MD5_cnt_loc[22], G3);
- MD5_STEP(G, b,c,d,a, data[ 4], MD5_cnt_loc[23], G4);
- MD5_STEP(G, a,b,c,d, data[ 9], MD5_cnt_loc[24], G1);
- MD5_STEP(G, d,a,b,c, data[14], MD5_cnt_loc[25], G2);
- MD5_STEP(G, c,d,a,b, data[ 3], MD5_cnt_loc[26], G3);
- MD5_STEP(G, b,c,d,a, data[ 8], MD5_cnt_loc[27], G4);
- MD5_STEP(G, a,b,c,d, data[13], MD5_cnt_loc[28], G1);
- MD5_STEP(G, d,a,b,c, data[ 2], MD5_cnt_loc[29], G2);
- MD5_STEP(G, c,d,a,b, data[ 7], MD5_cnt_loc[30], G3);
- MD5_STEP(G, b,c,d,a, data[12], MD5_cnt_loc[31], G4);
- /* rounds type H */
- MD5_STEP(H, a,b,c,d, data[ 5], MD5_cnt_loc[32], H1);
- MD5_STEP(H, d,a,b,c, data[ 8], MD5_cnt_loc[33], H2);
- MD5_STEP(H, c,d,a,b, data[11], MD5_cnt_loc[34], H3);
- MD5_STEP(H, b,c,d,a, data[14], MD5_cnt_loc[35], H4);
- MD5_STEP(H, a,b,c,d, data[ 1], MD5_cnt_loc[36], H1);
- MD5_STEP(H, d,a,b,c, data[ 4], MD5_cnt_loc[37], H2);
- MD5_STEP(H, c,d,a,b, data[ 7], MD5_cnt_loc[38], H3);
- MD5_STEP(H, b,c,d,a, data[10], MD5_cnt_loc[39], H4);
- MD5_STEP(H, a,b,c,d, data[13], MD5_cnt_loc[40], H1);
- MD5_STEP(H, d,a,b,c, data[ 0], MD5_cnt_loc[41], H2);
- MD5_STEP(H, c,d,a,b, data[ 3], MD5_cnt_loc[42], H3);
- MD5_STEP(H, b,c,d,a, data[ 6], MD5_cnt_loc[43], H4);
- MD5_STEP(H, a,b,c,d, data[ 9], MD5_cnt_loc[44], H1);
- MD5_STEP(H, d,a,b,c, data[12], MD5_cnt_loc[45], H2);
- MD5_STEP(H, c,d,a,b, data[15], MD5_cnt_loc[46], H3);
- MD5_STEP(H, b,c,d,a, data[ 2], MD5_cnt_loc[47], H4);
- /* rounds type I */
- MD5_STEP(I, a,b,c,d, data[ 0], MD5_cnt_loc[48], I1);
- MD5_STEP(I, d,a,b,c, data[ 7], MD5_cnt_loc[49], I2);
- MD5_STEP(I, c,d,a,b, data[14], MD5_cnt_loc[50], I3);
- MD5_STEP(I, b,c,d,a, data[ 5], MD5_cnt_loc[51], I4);
- MD5_STEP(I, a,b,c,d, data[12], MD5_cnt_loc[52], I1);
- MD5_STEP(I, d,a,b,c, data[ 3], MD5_cnt_loc[53], I2);
- MD5_STEP(I, c,d,a,b, data[10], MD5_cnt_loc[54], I3);
- MD5_STEP(I, b,c,d,a, data[ 1], MD5_cnt_loc[55], I4);
- MD5_STEP(I, a,b,c,d, data[ 8], MD5_cnt_loc[56], I1);
- MD5_STEP(I, d,a,b,c, data[15], MD5_cnt_loc[57], I2);
- MD5_STEP(I, c,d,a,b, data[ 6], MD5_cnt_loc[58], I3);
- MD5_STEP(I, b,c,d,a, data[13], MD5_cnt_loc[59], I4);
- MD5_STEP(I, a,b,c,d, data[ 4], MD5_cnt_loc[60], I1);
- MD5_STEP(I, d,a,b,c, data[11], MD5_cnt_loc[61], I2);
- MD5_STEP(I, c,d,a,b, data[ 2], MD5_cnt_loc[62], I3);
- MD5_STEP(I, b,c,d,a, data[ 9], MD5_cnt_loc[63], I4);
- /* update digest */
- digest[0] += a;
- digest[1] += b;
- digest[2] += c;
- digest[3] += d;
- }
- }
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