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fix

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NIIBE Yutaka
2014-03-19 17:07:04 +09:00
parent 22bc67959e
commit 53bf87acf5
2 changed files with 7 additions and 8 deletions
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12
src/mod25638.c
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@@ -69,8 +69,8 @@
2^256 - 32 - 4 - 2 2^256 - 32 - 4 - 2
0 ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffda 0 ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffda
*/ */
const bn256 n25638 = { {0xffffffda, 0xffffffff, 0xffffffff, 0xffffffff, const bn256 n25638[1] = { {0xffffffda, 0xffffffff, 0xffffffff, 0xffffffff,
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff } }; 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff } };
/* /*
@@ -93,9 +93,9 @@ mod25638_add (bn256 *X, const bn256 *A, const bn256 *B)
carry = bn256_add (X, A, B); carry = bn256_add (X, A, B);
if (carry) if (carry)
bn256_sub (X, X, N25638); bn256_sub (X, X, n25638);
else else
bn256_sub (tmp, X, N25638); bn256_sub (tmp, X, n25638);
} }
/** /**
@@ -109,9 +109,9 @@ mod25638_sub (bn256 *X, const bn256 *A, const bn256 *B)
borrow = bn256_sub (X, A, B); borrow = bn256_sub (X, A, B);
if (borrow) if (borrow)
bn256_add (X, X, N25638); bn256_add (X, X, n25638);
else else
bn256_add (tmp, X, N25638); bn256_add (tmp, X, n25638);
} }

3
src/mod25638.h
View File

@@ -1,5 +1,4 @@
extern const bn256 n25638; extern const bn256 *n25638;
#define N25638 (&n25638)
void mod25638_add (bn256 *X, const bn256 *A, const bn256 *B); void mod25638_add (bn256 *X, const bn256 *A, const bn256 *B);
void mod25638_sub (bn256 *X, const bn256 *A, const bn256 *B); void mod25638_sub (bn256 *X, const bn256 *A, const bn256 *B);