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idea_mult() now works on 16,32, AND 64bit systems

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toddouska
2015-11-12 10:32:35 -08:00
parent d9cb1cfbe1
commit 261fedd906
1 changed files with 3 additions and 4 deletions
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7
wolfcrypt/src/idea.c
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@@ -44,12 +44,11 @@
*/ */
static INLINE word16 idea_mult(word16 x, word16 y) static INLINE word16 idea_mult(word16 x, word16 y)
{ {
word32 mul; long mul, res;
long res;
mul = (word32)x * (word32)y; mul = (long)x * (long)y;
if (mul) { if (mul) {
res = (mul & IDEA_MASK) - (mul >> 16); res = (mul & IDEA_MASK) - ((word32)mul >> 16);
if (res <= 0) if (res <= 0)
res += IDEA_MODULO; res += IDEA_MODULO;