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Diffstat (limited to 'openssl/crypto/seed/seed_locl.h')
| -rw-r--r-- | openssl/crypto/seed/seed_locl.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/openssl/crypto/seed/seed_locl.h b/openssl/crypto/seed/seed_locl.h new file mode 100644 index 000000000..fd456b642 --- /dev/null +++ b/openssl/crypto/seed/seed_locl.h @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Neither the name of author 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 AUTHOR 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 AUTHOR 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. + * + */ +#ifndef HEADER_SEED_LOCL_H +#define HEADER_SEED_LOCL_H + +#include "openssl/e_os2.h" +#include <openssl/seed.h> + + +#ifdef SEED_LONG /* need 32-bit type */ +typedef unsigned long seed_word; +#else +typedef unsigned int seed_word; +#endif + + +#ifdef __cplusplus +extern "C" { +#endif + +#define G_FUNC(v) \ + SS[0][(unsigned char) (v) & 0xff] ^ SS[1][(unsigned char) ((v)>>8) & 0xff] ^ \ + SS[2][(unsigned char)((v)>>16) & 0xff] ^ SS[3][(unsigned char)((v)>>24) & 0xff] + +#define char2word(c, i) \ + (i) = ((((seed_word)(c)[0]) << 24) | (((seed_word)(c)[1]) << 16) | (((seed_word)(c)[2]) << 8) | ((seed_word)(c)[3])) + +#define word2char(l, c) \ + *((c)+0) = (unsigned char)((l)>>24) & 0xff; \ + *((c)+1) = (unsigned char)((l)>>16) & 0xff; \ + *((c)+2) = (unsigned char)((l)>> 8) & 0xff; \ + *((c)+3) = (unsigned char)((l)) & 0xff + +#define KEYSCHEDULE_UPDATE0(T0, T1, X1, X2, X3, X4, KC) \ + (T0) = (X3); \ + (X3) = (((X3)<<8) ^ ((X4)>>24)) & 0xffffffff; \ + (X4) = (((X4)<<8) ^ ((T0)>>24)) & 0xffffffff; \ + (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \ + (T1) = ((X2) + (KC) - (X4)) & 0xffffffff + +#define KEYSCHEDULE_UPDATE1(T0, T1, X1, X2, X3, X4, KC) \ + (T0) = (X1); \ + (X1) = (((X1)>>8) ^ ((X2)<<24)) & 0xffffffff; \ + (X2) = (((X2)>>8) ^ ((T0)<<24)) & 0xffffffff; \ + (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \ + (T1) = ((X2) + (KC) - (X4)) & 0xffffffff + +#define KEYUPDATE_TEMP(T0, T1, K) \ + (K)[0] = G_FUNC((T0)); \ + (K)[1] = G_FUNC((T1)) + +#define XOR_SEEDBLOCK(DST, SRC) \ + ((DST))[0] ^= ((SRC))[0]; \ + ((DST))[1] ^= ((SRC))[1]; \ + ((DST))[2] ^= ((SRC))[2]; \ + ((DST))[3] ^= ((SRC))[3] + +#define MOV_SEEDBLOCK(DST, SRC) \ + ((DST))[0] = ((SRC))[0]; \ + ((DST))[1] = ((SRC))[1]; \ + ((DST))[2] = ((SRC))[2]; \ + ((DST))[3] = ((SRC))[3] + +# define CHAR2WORD(C, I) \ + char2word((C), (I)[0]); \ + char2word((C+4), (I)[1]); \ + char2word((C+8), (I)[2]); \ + char2word((C+12), (I)[3]) + +# define WORD2CHAR(I, C) \ + word2char((I)[0], (C)); \ + word2char((I)[1], (C+4)); \ + word2char((I)[2], (C+8)); \ + word2char((I)[3], (C+12)) + +# define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \ + (T0) = (X3) ^ (ks->data)[(rbase)]; \ + (T1) = (X4) ^ (ks->data)[(rbase)+1]; \ + (T1) ^= (T0); \ + (T1) = G_FUNC((T1)); \ + (T0) = ((T0) + (T1)) & 0xffffffff; \ + (T0) = G_FUNC((T0)); \ + (T1) = ((T1) + (T0)) & 0xffffffff; \ + (T1) = G_FUNC((T1)); \ + (T0) = ((T0) + (T1)) & 0xffffffff; \ + (X1) ^= (T0); \ + (X2) ^= (T1) + +#ifdef __cplusplus +} +#endif + +#endif /* HEADER_SEED_LOCL_H */ |