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fix for possible bug on 64-bit platforms

pull/2/head
weidai 2003-03-25 02:05:32 +00:00
parent cafc368766
commit a7d2ffa2b3
1 changed files with 2 additions and 2 deletions
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4
serpent.cpp
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@ -428,13 +428,12 @@ void Serpent::Base::UncheckedSetKey(CipherDir direction, const byte *userKey, un
word32 *k = m_key;
GetUserKey(LITTLE_ENDIAN_ORDER, k, 8, userKey, keylen);
word32 i,a,b,c,d,e;
if (keylen < 32)
k[keylen/4] |= word32(1) << ((keylen%4)*8);
k += 8;
word32 t = k[-1];
signed int i;
for (i = 0; i < 132; ++i)
k[i] = t = rotlFixed(k[i-8] ^ k[i-5] ^ k[i-3] ^ t ^ 0x9e3779b9 ^ i, 11);
k -= 20;
@ -451,6 +450,7 @@ void Serpent::Base::UncheckedSetKey(CipherDir direction, const byte *userKey, un
k[(8-r)*4 + 6] = c; \
k[(8-r)*4 + 7] = d;} \
word32 a,b,c,d,e;
for (i=0; i<4; i++)
{
afterS2(LK); afterS2(S3); afterS3(SK);