bn.h

00001 /* bn.h for openssl */
00002 
00003 
00004 #ifndef CYASSL_BN_H_
00005 #define CYASSL_BN_H_
00006 
00007 #include <cyassl/ctaocrypt/settings.h>
00008 
00009 #ifdef __cplusplus
00010     extern "C" {
00011 #endif
00012 
00013 typedef struct CYASSL_BIGNUM {
00014     int   neg;              /* openssh deference */
00015     void* internal;         /* our big num */
00016 } CYASSL_BIGNUM;        
00017 
00018 
00019 typedef struct CYASSL_BN_CTX CYASSL_BN_CTX;
00020 
00021 
00022 CYASSL_API CYASSL_BN_CTX* CyaSSL_BN_CTX_new(void);
00023 CYASSL_API void           CyaSSL_BN_CTX_init(CYASSL_BN_CTX*);
00024 CYASSL_API void           CyaSSL_BN_CTX_free(CYASSL_BN_CTX*);
00025 
00026 CYASSL_API CYASSL_BIGNUM* CyaSSL_BN_new(void);
00027 CYASSL_API void           CyaSSL_BN_free(CYASSL_BIGNUM*);
00028 CYASSL_API void           CyaSSL_BN_clear_free(CYASSL_BIGNUM*);
00029 
00030 
00031 CYASSL_API int CyaSSL_BN_sub(CYASSL_BIGNUM*, const CYASSL_BIGNUM*,
00032                              const CYASSL_BIGNUM*);
00033 CYASSL_API int CyaSSL_BN_mod(CYASSL_BIGNUM*, const CYASSL_BIGNUM*,
00034                              const CYASSL_BIGNUM*, const CYASSL_BN_CTX*);
00035 
00036 CYASSL_API const CYASSL_BIGNUM* CyaSSL_BN_value_one(void);
00037 
00038 
00039 CYASSL_API int CyaSSL_BN_num_bytes(const CYASSL_BIGNUM*);
00040 CYASSL_API int CyaSSL_BN_num_bits(const CYASSL_BIGNUM*);
00041 
00042 CYASSL_API int CyaSSL_BN_is_zero(const CYASSL_BIGNUM*);
00043 CYASSL_API int CyaSSL_BN_is_one(const CYASSL_BIGNUM*);
00044 CYASSL_API int CyaSSL_BN_is_odd(const CYASSL_BIGNUM*);
00045 
00046 CYASSL_API int CyaSSL_BN_cmp(const CYASSL_BIGNUM*, const CYASSL_BIGNUM*);
00047 
00048 CYASSL_API int CyaSSL_BN_bn2bin(const CYASSL_BIGNUM*, unsigned char*);
00049 CYASSL_API CYASSL_BIGNUM* CyaSSL_BN_bin2bn(const unsigned char*, int len,
00050                                 CYASSL_BIGNUM* ret);
00051 
00052 CYASSL_API int CyaSSL_mask_bits(CYASSL_BIGNUM*, int n);
00053 
00054 CYASSL_API int CyaSSL_BN_rand(CYASSL_BIGNUM*, int bits, int top, int bottom);
00055 CYASSL_API int CyaSSL_BN_is_bit_set(const CYASSL_BIGNUM*, int n);
00056 CYASSL_API int CyaSSL_BN_hex2bn(CYASSL_BIGNUM**, const char* str);
00057 
00058 CYASSL_API CYASSL_BIGNUM* CyaSSL_BN_dup(const CYASSL_BIGNUM*);
00059 CYASSL_API CYASSL_BIGNUM* CyaSSL_BN_copy(CYASSL_BIGNUM*, const CYASSL_BIGNUM*);
00060 
00061 CYASSL_API int CyaSSL_BN_set_word(CYASSL_BIGNUM*, unsigned long w);
00062 
00063 CYASSL_API int   CyaSSL_BN_dec2bn(CYASSL_BIGNUM**, const char* str);
00064 CYASSL_API char* CyaSSL_BN_bn2dec(const CYASSL_BIGNUM*);
00065 
00066 
00067 typedef CYASSL_BIGNUM BIGNUM;
00068 typedef CYASSL_BN_CTX BN_CTX;
00069 
00070 #define BN_CTX_new        CyaSSL_BN_CTX_new
00071 #define BN_CTX_init       CyaSSL_BN_CTX_init
00072 #define BN_CTX_free       CyaSSL_BN_CTX_free
00073 
00074 #define BN_new        CyaSSL_BN_new
00075 #define BN_free       CyaSSL_BN_free
00076 #define BN_clear_free CyaSSL_BN_clear_free
00077 
00078 #define BN_num_bytes CyaSSL_BN_num_bytes
00079 #define BN_num_bits  CyaSSL_BN_num_bits
00080 
00081 #define BN_is_zero  CyaSSL_BN_is_zero
00082 #define BN_is_one   CyaSSL_BN_is_one
00083 #define BN_is_odd   CyaSSL_BN_is_odd
00084 
00085 #define BN_cmp    CyaSSL_BN_cmp
00086 
00087 #define BN_bn2bin  CyaSSL_BN_bn2bin
00088 #define BN_bin2bn  CyaSSL_BN_bin2bn
00089 
00090 #define BN_mod       CyaSSL_BN_mod
00091 #define BN_sub       CyaSSL_BN_sub
00092 #define BN_value_one CyaSSL_BN_value_one
00093 
00094 #define BN_mask_bits CyaSSL_mask_bits
00095 
00096 #define BN_rand       CyaSSL_BN_rand
00097 #define BN_is_bit_set CyaSSL_BN_is_bit_set
00098 #define BN_hex2bn     CyaSSL_BN_hex2bn
00099 
00100 #define BN_dup  CyaSSL_BN_dup
00101 #define BN_copy CyaSSL_BN_copy
00102 
00103 #define BN_set_word CyaSSL_BN_set_word
00104 
00105 #define BN_dec2bn CyaSSL_BN_dec2bn
00106 #define BN_bn2dec CyaSSL_BN_bn2dec
00107 
00108 
00109 #ifdef __cplusplus
00110     }  /* extern "C" */ 
00111 #endif
00112 
00113 
00114 #endif /* CYASSL__H_ */
00115