Diff: wolfssl/wolfcrypt/sp_int.h

Revision:

14:167253f4e170

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/sp_int.h	Sat Aug 18 22:19:52 2018 +0000
@@ -0,0 +1,193 @@
+/* sp_int.h
+ *
+ * Copyright (C) 2006-2017 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+
+#ifndef WOLF_CRYPT_SP_INT_H
+#define WOLF_CRYPT_SP_INT_H
+
+#include <stdint.h>
+#include <limits.h>
+
+#ifdef WOLFSSL_SP_X86_64_ASM
+    #define SP_WORD_SIZE 64
+
+    #define HAVE_INTEL_AVX1
+    #define HAVE_INTEL_AVX2
+#elif defined(WOLFSSL_SP_ARM64_ASM)
+    #define SP_WORD_SIZE 64
+#elif defined(WOLFSSL_SP_ARM32_ASM)
+    #define SP_WORD_SIZE 32
+#endif
+
+#ifndef SP_WORD_SIZE
+    #if defined(NO_64BIT) || !defined(HAVE___UINT128_T)
+        #define SP_WORD_SIZE 32
+    #else
+        #define SP_WORD_SIZE 64
+    #endif
+#endif
+
+#ifndef WOLFSSL_SP_ASM
+  #if SP_WORD_SIZE == 32
+    typedef int32_t sp_digit;
+    typedef uint32_t sp_int_digit;
+  #elif SP_WORD_SIZE == 64
+    typedef int64_t sp_digit;
+    typedef uint64_t sp_int_digit;
+    typedef unsigned long uint128_t __attribute__ ((mode(TI)));
+    typedef long int128_t __attribute__ ((mode(TI)));
+  #else
+    #error Word size not defined
+  #endif
+#else
+  #if SP_WORD_SIZE == 32
+    typedef uint32_t sp_digit;
+    typedef uint32_t sp_int_digit;
+  #elif SP_WORD_SIZE == 64
+    typedef uint64_t sp_digit;
+    typedef uint64_t sp_int_digit;
+    typedef unsigned long uint128_t __attribute__ ((mode(TI)));
+    typedef long int128_t __attribute__ ((mode(TI)));
+  #else
+    #error Word size not defined
+  #endif
+#endif
+
+#ifdef WOLFSSL_SP_MATH
+#include <wolfssl/wolfcrypt/random.h>
+
+#ifndef MIN
+   #define MIN(x,y) ((x)<(y)?(x):(y))
+#endif
+
+#ifndef MAX
+   #define MAX(x,y) ((x)>(y)?(x):(y))
+#endif
+
+#ifdef WOLFSSL_PUBLIC_MP
+    #define MP_API   WOLFSSL_API
+#else
+    #define MP_API   WOLFSSL_LOCAL
+#endif
+
+#if !defined(WOLFSSL_HAVE_SP_RSA) && !defined(WOLFSSL_HAVE_SP_DH)
+    #if !defined(NO_PWDBASED) && defined(WOLFSSL_SHA512)
+        #define SP_INT_DIGITS        ((512 + SP_WORD_SIZE) / SP_WORD_SIZE)
+    #else
+        #define SP_INT_DIGITS        ((256 + SP_WORD_SIZE) / SP_WORD_SIZE)
+    #endif
+#elif !defined(WOLFSSL_SP_NO_3072)
+    #define SP_INT_DIGITS        ((2048 + SP_WORD_SIZE) / SP_WORD_SIZE)
+#else
+    #define SP_INT_DIGITS        ((3072 + SP_WORD_SIZE) / SP_WORD_SIZE)
+#endif
+
+#define sp_isodd(a) (a->used != 0 && (a->dp[0] & 1))
+
+typedef struct sp_int {
+    sp_int_digit dp[SP_INT_DIGITS];
+    int size;
+    int used;
+} sp_int;
+
+
+MP_API int sp_init(sp_int* a);
+MP_API int sp_init_multi(sp_int* a, sp_int* b, sp_int* c, sp_int* d,
+                         sp_int* e, sp_int* f);
+MP_API void sp_clear(sp_int* a);
+MP_API int sp_unsigned_bin_size(sp_int* a);
+MP_API int sp_read_unsigned_bin(sp_int* a, const byte* in, word32 inSz);
+MP_API int sp_read_radix(sp_int* a, const char* in, int radix);
+MP_API int sp_cmp(sp_int* a, sp_int* b);
+MP_API int sp_count_bits(sp_int* a);
+MP_API int sp_leading_bit(sp_int* a);
+MP_API int sp_to_unsigned_bin(sp_int* a, byte* in);
+MP_API void sp_forcezero(sp_int* a);
+MP_API int sp_copy(sp_int* a, sp_int* b);
+MP_API int sp_set(sp_int* a, sp_int_digit d);
+MP_API int sp_iszero(sp_int* a);
+MP_API void sp_clamp(sp_int* a);
+MP_API int sp_grow(sp_int* a, int l);
+MP_API int sp_sub_d(sp_int* a, sp_int_digit d, sp_int* r);
+MP_API int sp_cmp_d(sp_int* a, sp_int_digit d);
+MP_API int sp_mod(sp_int* a, sp_int* m, sp_int* r);
+MP_API void sp_zero(sp_int* a);
+MP_API int sp_add_d(sp_int* a, sp_int_digit d, sp_int* r);
+MP_API int sp_lshd(sp_int* a, int s);
+MP_API int sp_add(sp_int* a, sp_int* b, sp_int* r);
+MP_API int sp_set_int(sp_int* a, unsigned long b);
+
+typedef sp_int mp_int;
+typedef sp_digit mp_digit;
+
+#define MP_OKAY    0
+#define MP_NO      0
+#define MP_YES     1
+
+#define MP_RADIX_HEX     16
+
+#define MP_GT    1
+#define MP_EQ    0
+#define MP_LT    -1
+
+#define MP_MEM   -2
+#define MP_VAL   -3
+
+#define DIGIT_BIT  SP_WORD_SIZE
+
+#define CheckFastMathSettings() 1
+
+#define mp_free(a)
+
+#define mp_init                 sp_init
+#define mp_init_multi           sp_init_multi
+#define mp_clear                sp_clear
+#define mp_read_unsigned_bin    sp_read_unsigned_bin
+#define mp_unsigned_bin_size    sp_unsigned_bin_size
+#define mp_read_radix           sp_read_radix
+#define mp_cmp                  sp_cmp
+#define mp_count_bits           sp_count_bits
+#define mp_leading_bit          sp_leading_bit
+#define mp_to_unsigned_bin      sp_to_unsigned_bin
+#define mp_forcezero            sp_forcezero
+#define mp_copy                 sp_copy
+#define mp_set                  sp_set
+#define mp_iszero               sp_iszero
+#define mp_clamp                sp_clamp
+#define mp_grow                 sp_grow
+#define mp_sub_d                sp_sub_d
+#define mp_cmp_d                sp_cmp_d
+#define mp_mod                  sp_mod
+#define mp_zero                 sp_zero
+#define mp_add_d                sp_add_d
+#define mp_lshd                 sp_lshd
+#define mp_add                  sp_add
+#define mp_isodd                sp_isodd
+#define mp_set_int              sp_set_int
+
+#define MP_INT_DEFINED
+
+#include <wolfssl/wolfcrypt/wolfmath.h>
+#endif
+
+#endif /* WOLF_CRYPT_SP_H */
+
+