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-rw-r--r--oox/source/crypto/Standard2007Engine.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/oox/source/crypto/Standard2007Engine.cxx b/oox/source/crypto/Standard2007Engine.cxx
index bcaba3052aeb..09035d7409f8 100644
--- a/oox/source/crypto/Standard2007Engine.cxx
+++ b/oox/source/crypto/Standard2007Engine.cxx
@@ -138,7 +138,7 @@ bool Standard2007Engine::calculateEncryptionKey(const OUString& rPassword)
// derive key
vector<sal_uInt8> buffer(64, 0x36);
- for( sal_uInt32 i = 0; i < hash.size(); ++i )
+ for( size_t i = 0; i < hash.size(); ++i )
buffer[i] ^= hash[i];
Digest::sha1(hash, buffer);