diff options
Diffstat (limited to 'src/pubkey/if_algo/if_op.cpp')
-rw-r--r-- | src/pubkey/if_algo/if_op.cpp | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/pubkey/if_algo/if_op.cpp b/src/pubkey/if_algo/if_op.cpp deleted file mode 100644 index 27aef453e..000000000 --- a/src/pubkey/if_algo/if_op.cpp +++ /dev/null @@ -1,47 +0,0 @@ -/* -* IF (RSA/RW) Operation -* (C) 1999-2007 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#include <botan/if_op.h> -#include <botan/numthry.h> - -namespace Botan { - -/* -* Default_IF_Op Constructor -*/ -Default_IF_Op::Default_IF_Op(const BigInt& e, const BigInt& n, const BigInt&, - const BigInt& p, const BigInt& q, - const BigInt& d1, const BigInt& d2, - const BigInt& c) - { - powermod_e_n = Fixed_Exponent_Power_Mod(e, n); - - if(d1 != 0 && d2 != 0 && p != 0 && q != 0) - { - powermod_d1_p = Fixed_Exponent_Power_Mod(d1, p); - powermod_d2_q = Fixed_Exponent_Power_Mod(d2, q); - reducer = Modular_Reducer(p); - this->c = c; - this->q = q; - } - } - -/* -* Default IF Private Operation -*/ -BigInt Default_IF_Op::private_op(const BigInt& i) const - { - if(q == 0) - throw Internal_Error("Default_IF_Op::private_op: No private key"); - - BigInt j1 = powermod_d1_p(i); - BigInt j2 = powermod_d2_q(i); - j1 = reducer.reduce(sub_mul(j1, j2, c)); - return mul_add(j1, q, j2); - } - -} |