libtommath sync
Karel Miko
7 years ago
| 37 | 37 | #endif |
| 38 | 38 | |
| 39 | 39 | /* detect 64-bit mode if possible */ |
| 40 | #if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT)) | |
| 41 | #if defined(__x86_64__) | |
| 40 | #if defined(__x86_64__) | |
| 41 | #if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT)) | |
| 42 | 42 | #if defined(__GNUC__) |
| 43 | 43 | typedef unsigned long mp_uint128 __attribute__ ((mode(TI))); |
| 44 | 44 | #define MP_64BIT |
| 58 | 58 | * [any size beyond that is ok provided it doesn't overflow the data type] |
| 59 | 59 | */ |
| 60 | 60 | #ifdef MP_8BIT |
| 61 | typedef mp_uint8 mp_digit; | |
| 62 | typedef mp_uint16 mp_word; | |
| 63 | #define DIGIT_BIT 7 | |
| 61 | typedef mp_uint8 mp_digit; | |
| 62 | typedef mp_uint16 mp_word; | |
| 63 | #define MP_SIZEOF_MP_DIGIT 1 | |
| 64 | #ifdef DIGIT_BIT | |
| 65 | #error You must not define DIGIT_BIT when using MP_8BIT | |
| 66 | #endif | |
| 64 | 67 | #elif defined(MP_16BIT) |
| 65 | typedef mp_uint16 mp_digit; | |
| 66 | typedef mp_uint32 mp_word; | |
| 67 | #define DIGIT_BIT 15 | |
| 68 | typedef mp_uint16 mp_digit; | |
| 69 | typedef mp_uint32 mp_word; | |
| 70 | #define MP_SIZEOF_MP_DIGIT 2 | |
| 71 | #ifdef DIGIT_BIT | |
| 72 | #error You must not define DIGIT_BIT when using MP_16BIT | |
| 73 | #endif | |
| 68 | 74 | #elif defined(MP_64BIT) |
| 69 | typedef mp_uint64 mp_digit; | |
| 70 | typedef mp_uint128 mp_word; | |
| 71 | #define DIGIT_BIT 60 | |
| 72 | #elif defined(MP_32BIT) | |
| 73 | typedef mp_uint32 mp_digit; | |
| 74 | typedef mp_uint64 mp_word; | |
| 75 | #define DIGIT_BIT 31 | |
| 75 | typedef mp_uint64 mp_digit; | |
| 76 | typedef mp_uint128 mp_word; | |
| 77 | #define DIGIT_BIT 60 | |
| 76 | 78 | #else |
| 77 | typedef mp_uint32 mp_digit; | |
| 78 | typedef mp_uint64 mp_word; | |
| 79 | #define DIGIT_BIT 28 | |
| 79 | /* this is the default case, 28-bit digits */ | |
| 80 | ||
| 81 | /* this is to make porting into LibTomCrypt easier :-) */ | |
| 82 | typedef mp_uint32 mp_digit; | |
| 83 | typedef mp_uint64 mp_word; | |
| 84 | ||
| 85 | #ifdef MP_31BIT | |
| 86 | /* this is an extension that uses 31-bit digits */ | |
| 87 | #define DIGIT_BIT 31 | |
| 88 | #else | |
| 89 | /* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */ | |
| 90 | #define DIGIT_BIT 28 | |
| 80 | 91 | #define MP_28BIT |
| 92 | #endif | |
| 93 | #endif | |
| 94 | ||
| 95 | /* otherwise the bits per digit is calculated automatically from the size of a mp_digit */ | |
| 96 | #ifndef DIGIT_BIT | |
| 97 | #define DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1)) /* bits per digit */ | |
| 98 | typedef mp_uint32 mp_min_u32; | |
| 99 | #else | |
| 100 | typedef mp_digit mp_min_u32; | |
| 81 | 101 | #endif |
| 82 | 102 | |
| 83 | 103 | /* platforms that can use a better rand function */ |