From 996a01840a7cc920c430a32ffb2a59498055187e Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Thu, 4 Mar 2010 17:46:28 +0000
Subject: Cleanups

---
 src/pubkey/if_algo/if_algo.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'src/pubkey')

diff --git a/src/pubkey/if_algo/if_algo.cpp b/src/pubkey/if_algo/if_algo.cpp
index f793789cf..1acbad02c 100644
--- a/src/pubkey/if_algo/if_algo.cpp
+++ b/src/pubkey/if_algo/if_algo.cpp
@@ -94,7 +94,7 @@ IF_Scheme_PrivateKey::IF_Scheme_PrivateKey(RandomNumberGenerator& rng,
    q = prime2;
    e = exp;
    d = d_exp;
-   n = mod;
+   n = mod.is_nonzero() ? mod : p * q;
 
    if(d == 0)
       {
@@ -105,10 +105,9 @@ IF_Scheme_PrivateKey::IF_Scheme_PrivateKey(RandomNumberGenerator& rng,
       d = inverse_mod(e, inv_for_d);
       }
 
-   if(n == 0)  n = p * q;
-   if(d1 == 0) d1 = d % (p - 1);
-   if(d2 == 0) d2 = d % (q - 1);
-   if(c == 0)  c = inverse_mod(q, p);
+   d1 = d % (p - 1);
+   d2 = d % (q - 1);
+   c = inverse_mod(q, p);
 
    core = IF_Core(rng, e, n, d, p, q, d1, d2, c);
 
-- 
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