bn.h

00001 /* bn.h for openssl */
00002 
00003 
00004 #ifndef WOLFSSL_BN_H_
00005 #define WOLFSSL_BN_H_
00006 
00007 #include <wolfssl/wolfcrypt/settings.h>
00008 #include <wolfssl/wolfcrypt/integer.h>
00009 
00010 #ifdef __cplusplus
00011     extern "C" {
00012 #endif
00013 
00014 typedef struct WOLFSSL_BIGNUM {
00015     int   neg;              /* openssh deference */
00016     void* internal;         /* our big num */
00017 } WOLFSSL_BIGNUM;
00018 
00019 
00020 #define WOLFSSL_BN_ULONG mp_digit
00021 
00022 typedef struct WOLFSSL_BN_CTX WOLFSSL_BN_CTX;
00023 typedef struct WOLFSSL_BN_GENCB WOLFSSL_BN_GENCB;
00024 
00025 WOLFSSL_API WOLFSSL_BN_CTX* wolfSSL_BN_CTX_new(void);
00026 WOLFSSL_API void           wolfSSL_BN_CTX_init(WOLFSSL_BN_CTX*);
00027 WOLFSSL_API void           wolfSSL_BN_CTX_free(WOLFSSL_BN_CTX*);
00028 
00029 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_new(void);
00030 WOLFSSL_API void           wolfSSL_BN_free(WOLFSSL_BIGNUM*);
00031 WOLFSSL_API void           wolfSSL_BN_clear_free(WOLFSSL_BIGNUM*);
00032 
00033 
00034 WOLFSSL_API int wolfSSL_BN_sub(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*,
00035                              const WOLFSSL_BIGNUM*);
00036 WOLFSSL_API int wolfSSL_BN_mod(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*,
00037                              const WOLFSSL_BIGNUM*, const WOLFSSL_BN_CTX*);
00038 WOLFSSL_API int wolfSSL_BN_mod_exp(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a,
00039         const WOLFSSL_BIGNUM *p, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx);
00040 WOLFSSL_API const WOLFSSL_BIGNUM* wolfSSL_BN_value_one(void);
00041 
00042 
00043 WOLFSSL_API int wolfSSL_BN_num_bytes(const WOLFSSL_BIGNUM*);
00044 WOLFSSL_API int wolfSSL_BN_num_bits(const WOLFSSL_BIGNUM*);
00045 
00046 WOLFSSL_API int wolfSSL_BN_is_zero(const WOLFSSL_BIGNUM*);
00047 WOLFSSL_API int wolfSSL_BN_is_one(const WOLFSSL_BIGNUM*);
00048 WOLFSSL_API int wolfSSL_BN_is_odd(const WOLFSSL_BIGNUM*);
00049 
00050 WOLFSSL_API int wolfSSL_BN_cmp(const WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*);
00051 
00052 WOLFSSL_API int wolfSSL_BN_bn2bin(const WOLFSSL_BIGNUM*, unsigned char*);
00053 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_bin2bn(const unsigned char*, int len,
00054                                 WOLFSSL_BIGNUM* ret);
00055 
00056 WOLFSSL_API int wolfSSL_mask_bits(WOLFSSL_BIGNUM*, int n);
00057 
00058 WOLFSSL_API int wolfSSL_BN_rand(WOLFSSL_BIGNUM*, int bits, int top, int bottom);
00059 WOLFSSL_API int wolfSSL_BN_is_bit_set(const WOLFSSL_BIGNUM*, int n);
00060 WOLFSSL_API int wolfSSL_BN_hex2bn(WOLFSSL_BIGNUM**, const char* str);
00061 
00062 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_dup(const WOLFSSL_BIGNUM*);
00063 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_copy(WOLFSSL_BIGNUM*,
00064                                             const WOLFSSL_BIGNUM*);
00065 
00066 WOLFSSL_API int   wolfSSL_BN_dec2bn(WOLFSSL_BIGNUM**, const char* str);
00067 WOLFSSL_API char* wolfSSL_BN_bn2dec(const WOLFSSL_BIGNUM*);
00068 
00069 WOLFSSL_API int wolfSSL_BN_lshift(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, int);
00070 WOLFSSL_API int wolfSSL_BN_add_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG);
00071 WOLFSSL_API int wolfSSL_BN_set_bit(WOLFSSL_BIGNUM*, int);
00072 WOLFSSL_API int wolfSSL_BN_set_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG);
00073 
00074 WOLFSSL_API int wolfSSL_BN_add(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*,
00075                                WOLFSSL_BIGNUM*);
00076 WOLFSSL_API char *wolfSSL_BN_bn2hex(const WOLFSSL_BIGNUM*);
00077 WOLFSSL_API int wolfSSL_BN_is_prime_ex(const WOLFSSL_BIGNUM*, int,
00078                                        WOLFSSL_BN_CTX*, WOLFSSL_BN_GENCB*);
00079 WOLFSSL_API WOLFSSL_BN_ULONG wolfSSL_BN_mod_word(const WOLFSSL_BIGNUM*,
00080                                                  WOLFSSL_BN_ULONG);
00081 #ifndef NO_FILESYSTEM
00082     WOLFSSL_API int wolfSSL_BN_print_fp(FILE*, const WOLFSSL_BIGNUM*);
00083 #endif
00084 WOLFSSL_API int wolfSSL_BN_rshift(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, int);
00085 WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_BN_CTX_get(WOLFSSL_BN_CTX *ctx);
00086 WOLFSSL_API void wolfSSL_BN_CTX_start(WOLFSSL_BN_CTX *ctx);
00087 
00088 typedef WOLFSSL_BIGNUM BIGNUM;
00089 typedef WOLFSSL_BN_CTX BN_CTX;
00090 typedef WOLFSSL_BN_GENCB BN_GENCB;
00091 
00092 #define BN_CTX_new        wolfSSL_BN_CTX_new
00093 #define BN_CTX_init       wolfSSL_BN_CTX_init
00094 #define BN_CTX_free       wolfSSL_BN_CTX_free
00095 
00096 #define BN_new        wolfSSL_BN_new
00097 #define BN_free       wolfSSL_BN_free
00098 #define BN_clear_free wolfSSL_BN_clear_free
00099 
00100 #define BN_num_bytes wolfSSL_BN_num_bytes
00101 #define BN_num_bits  wolfSSL_BN_num_bits
00102 
00103 #define BN_is_zero  wolfSSL_BN_is_zero
00104 #define BN_is_one   wolfSSL_BN_is_one
00105 #define BN_is_odd   wolfSSL_BN_is_odd
00106 
00107 #define BN_cmp    wolfSSL_BN_cmp
00108 
00109 #define BN_bn2bin  wolfSSL_BN_bn2bin
00110 #define BN_bin2bn  wolfSSL_BN_bin2bn
00111 
00112 #define BN_mod       wolfSSL_BN_mod
00113 #define BN_mod_exp   wolfSSL_BN_mod_exp
00114 #define BN_sub       wolfSSL_BN_sub
00115 #define BN_value_one wolfSSL_BN_value_one
00116 
00117 #define BN_mask_bits wolfSSL_mask_bits
00118 
00119 #define BN_rand       wolfSSL_BN_rand
00120 #define BN_is_bit_set wolfSSL_BN_is_bit_set
00121 #define BN_hex2bn     wolfSSL_BN_hex2bn
00122 
00123 #define BN_dup  wolfSSL_BN_dup
00124 #define BN_copy wolfSSL_BN_copy
00125 
00126 #define BN_set_word wolfSSL_BN_set_word
00127 
00128 #define BN_dec2bn wolfSSL_BN_dec2bn
00129 #define BN_bn2dec wolfSSL_BN_bn2dec
00130 #define BN_bn2hex wolfSSL_BN_bn2hex
00131 
00132 #define BN_lshift wolfSSL_BN_lshift
00133 #define BN_add_word wolfSSL_BN_add_word
00134 #define BN_add wolfSSL_BN_add
00135 #define BN_set_word wolfSSL_BN_set_word
00136 #define BN_set_bit wolfSSL_BN_set_bit
00137 
00138 
00139 #define BN_is_prime_ex wolfSSL_BN_is_prime_ex
00140 #define BN_print_fp wolfSSL_BN_print_fp
00141 #define BN_rshift wolfSSL_BN_rshift
00142 #define BN_mod_word wolfSSL_BN_mod_word
00143 
00144 #define BN_CTX_get wolfSSL_BN_CTX_get
00145 #define BN_CTX_start wolfSSL_BN_CTX_start
00146 
00147 #ifdef __cplusplus
00148     }  /* extern "C" */
00149 #endif
00150 
00151 
00152 #endif /* WOLFSSL__H_ */
00153