diff options
Diffstat (limited to 'cryptlib.cpp')
| -rw-r--r-- | cryptlib.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/cryptlib.cpp b/cryptlib.cpp index 55df7134..ddc829db 100644 --- a/cryptlib.cpp +++ b/cryptlib.cpp @@ -148,16 +148,16 @@ size_t BlockTransformation::AdvancedProcessBlocks(const byte *inBlocks, const by CRYPTOPP_ASSERT(outBlocks);
CRYPTOPP_ASSERT(length);
- ptrdiff_t blockSize = static_cast<ptrdiff_t>(BlockSize());
+ const ptrdiff_t blockSize = static_cast<ptrdiff_t>(BlockSize());
ptrdiff_t inIncrement = (flags & (BT_InBlockIsCounter|BT_DontIncrementInOutPointers)) ? 0 : blockSize;
ptrdiff_t xorIncrement = xorBlocks ? blockSize : 0;
ptrdiff_t outIncrement = (flags & BT_DontIncrementInOutPointers) ? 0 : blockSize;
if (flags & BT_ReverseDirection)
{
- inBlocks += length - blockSize;
- xorBlocks += length - blockSize;
- outBlocks += length - blockSize;
+ inBlocks += static_cast<ptrdiff_t>(length) - blockSize;
+ xorBlocks += static_cast<ptrdiff_t>(length) - blockSize;
+ outBlocks += static_cast<ptrdiff_t>(length) - blockSize;
inIncrement = 0-inIncrement;
xorIncrement = 0-xorIncrement;
outIncrement = 0-outIncrement;
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