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fix idea_mult() for 16 and 32bit systems

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toddouska
2015-11-12 10:22:31 -08:00
parent 302fd05edd
commit d9cb1cfbe1
1 changed files with 3 additions and 2 deletions
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5
wolfcrypt/src/idea.c
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@ -44,9 +44,10 @@
*/ */
static INLINE word16 idea_mult(word16 x, word16 y) static INLINE word16 idea_mult(word16 x, word16 y)
{ {
long mul, res; word32 mul;
long res;
mul = (long)x * (long)y; mul = (word32)x * (word32)y;
if (mul) { if (mul) {
res = (mul & IDEA_MASK) - (mul >> 16); res = (mul & IDEA_MASK) - (mul >> 16);
if (res <= 0) if (res <= 0)