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 
00039 WOLFSSL_API const WOLFSSL_BIGNUM* wolfSSL_BN_value_one(void);
00040 
00041 
00042 WOLFSSL_API int wolfSSL_BN_num_bytes(const WOLFSSL_BIGNUM*);
00043 WOLFSSL_API int wolfSSL_BN_num_bits(const WOLFSSL_BIGNUM*);
00044 
00045 WOLFSSL_API int wolfSSL_BN_is_zero(const WOLFSSL_BIGNUM*);
00046 WOLFSSL_API int wolfSSL_BN_is_one(const WOLFSSL_BIGNUM*);
00047 WOLFSSL_API int wolfSSL_BN_is_odd(const WOLFSSL_BIGNUM*);
00048 
00049 WOLFSSL_API int wolfSSL_BN_cmp(const WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*);
00050 
00051 WOLFSSL_API int wolfSSL_BN_bn2bin(const WOLFSSL_BIGNUM*, unsigned char*);
00052 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_bin2bn(const unsigned char*, int len,
00053                                 WOLFSSL_BIGNUM* ret);
00054 
00055 WOLFSSL_API int wolfSSL_mask_bits(WOLFSSL_BIGNUM*, int n);
00056 
00057 WOLFSSL_API int wolfSSL_BN_rand(WOLFSSL_BIGNUM*, int bits, int top, int bottom);
00058 WOLFSSL_API int wolfSSL_BN_is_bit_set(const WOLFSSL_BIGNUM*, int n);
00059 WOLFSSL_API int wolfSSL_BN_hex2bn(WOLFSSL_BIGNUM**, const char* str);
00060 
00061 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_dup(const WOLFSSL_BIGNUM*);
00062 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_copy(WOLFSSL_BIGNUM*,
00063                                             const WOLFSSL_BIGNUM*);
00064 
00065 WOLFSSL_API int   wolfSSL_BN_dec2bn(WOLFSSL_BIGNUM**, const char* str);
00066 WOLFSSL_API char* wolfSSL_BN_bn2dec(const WOLFSSL_BIGNUM*);
00067 
00068 WOLFSSL_API int wolfSSL_BN_lshift(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, int);
00069 WOLFSSL_API int wolfSSL_BN_add_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG);
00070 WOLFSSL_API int wolfSSL_BN_set_bit(WOLFSSL_BIGNUM*, int);
00071 WOLFSSL_API int wolfSSL_BN_set_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG);
00072 
00073 WOLFSSL_API int wolfSSL_BN_add(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*,
00074                                WOLFSSL_BIGNUM*);
00075 WOLFSSL_API char *wolfSSL_BN_bn2hex(const WOLFSSL_BIGNUM*);
00076 WOLFSSL_API int wolfSSL_BN_is_prime_ex(const WOLFSSL_BIGNUM*, int,
00077                                        WOLFSSL_BN_CTX*, WOLFSSL_BN_GENCB*);
00078 WOLFSSL_API WOLFSSL_BN_ULONG wolfSSL_BN_mod_word(const WOLFSSL_BIGNUM*,
00079                                                  WOLFSSL_BN_ULONG);
00080 #ifndef NO_FILESYSTEM
00081     WOLFSSL_API int wolfSSL_BN_print_fp(FILE*, const WOLFSSL_BIGNUM*);
00082 #endif
00083 WOLFSSL_API int wolfSSL_BN_rshift(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, int);
00084 WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_BN_CTX_get(WOLFSSL_BN_CTX *ctx);
00085 WOLFSSL_API void wolfSSL_BN_CTX_start(WOLFSSL_BN_CTX *ctx);
00086 
00087 typedef WOLFSSL_BIGNUM BIGNUM;
00088 typedef WOLFSSL_BN_CTX BN_CTX;
00089 typedef WOLFSSL_BN_GENCB BN_GENCB;
00090 
00091 #define BN_CTX_new        wolfSSL_BN_CTX_new
00092 #define BN_CTX_init       wolfSSL_BN_CTX_init
00093 #define BN_CTX_free       wolfSSL_BN_CTX_free
00094 
00095 #define BN_new        wolfSSL_BN_new
00096 #define BN_free       wolfSSL_BN_free
00097 #define BN_clear_free wolfSSL_BN_clear_free
00098 
00099 #define BN_num_bytes wolfSSL_BN_num_bytes
00100 #define BN_num_bits  wolfSSL_BN_num_bits
00101 
00102 #define BN_is_zero  wolfSSL_BN_is_zero
00103 #define BN_is_one   wolfSSL_BN_is_one
00104 #define BN_is_odd   wolfSSL_BN_is_odd
00105 
00106 #define BN_cmp    wolfSSL_BN_cmp
00107 
00108 #define BN_bn2bin  wolfSSL_BN_bn2bin
00109 #define BN_bin2bn  wolfSSL_BN_bin2bn
00110 
00111 #define BN_mod       wolfSSL_BN_mod
00112 #define BN_sub       wolfSSL_BN_sub
00113 #define BN_value_one wolfSSL_BN_value_one
00114 
00115 #define BN_mask_bits wolfSSL_mask_bits
00116 
00117 #define BN_rand       wolfSSL_BN_rand
00118 #define BN_is_bit_set wolfSSL_BN_is_bit_set
00119 #define BN_hex2bn     wolfSSL_BN_hex2bn
00120 
00121 #define BN_dup  wolfSSL_BN_dup
00122 #define BN_copy wolfSSL_BN_copy
00123 
00124 #define BN_set_word wolfSSL_BN_set_word
00125 
00126 #define BN_dec2bn wolfSSL_BN_dec2bn
00127 #define BN_bn2dec wolfSSL_BN_bn2dec
00128 #define BN_bn2hex wolfSSL_BN_bn2hex
00129 
00130 #define BN_lshift wolfSSL_BN_lshift
00131 #define BN_add_word wolfSSL_BN_add_word
00132 #define BN_add wolfSSL_BN_add
00133 #define BN_set_word wolfSSL_BN_set_word
00134 #define BN_set_bit wolfSSL_BN_set_bit
00135 
00136 
00137 #define BN_is_prime_ex wolfSSL_BN_is_prime_ex
00138 #define BN_print_fp wolfSSL_BN_print_fp
00139 #define BN_rshift wolfSSL_BN_rshift
00140 #define BN_mod_word wolfSSL_BN_mod_word
00141 
00142 #define BN_CTX_get wolfSSL_BN_CTX_get
00143 #define BN_CTX_start wolfSSL_BN_CTX_start
00144 
00145 #ifdef __cplusplus
00146     }  /* extern "C" */
00147 #endif
00148 
00149 
00150 #endif /* WOLFSSL__H_ */
00151 
00152