8 #ifndef BOTAN_POWER_MOD_H__     9 #define BOTAN_POWER_MOD_H__    11 #include <botan/bigint.h>    21       virtual void set_base(
const BigInt&) = 0;
    22       virtual void set_exponent(
const BigInt&) = 0;
    23       virtual BigInt execute() 
const = 0;
    38          BASE_IS_FIXED   = 0x0001,
    39          BASE_IS_SMALL   = 0x0002,
    40          BASE_IS_LARGE   = 0x0004,
    43          EXP_IS_FIXED    = 0x0100,
    44          EXP_IS_SMALL    = 0x0200,
    51       static size_t window_bits(
size_t exp_bits, 
size_t base_bits,
    55       void set_base(
const BigInt&) 
const;
    56       void set_exponent(
const BigInt&) 
const;
    77          { set_base(b); 
return execute(); }
    91          { set_exponent(e); 
return execute(); }
 
virtual ~Modular_Exponentiator()
BigInt operator()(const BigInt &b) const
Fixed_Exponent_Power_Mod()
BigInt operator()(const BigInt &e) const