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Diffstat (limited to 'openssl/crypto/seed/seed_locl.h')
-rw-r--r--openssl/crypto/seed/seed_locl.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/openssl/crypto/seed/seed_locl.h b/openssl/crypto/seed/seed_locl.h
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+++ b/openssl/crypto/seed/seed_locl.h
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+/*
+ * 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 */