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Limit variable scope

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practicalswift
2017-06-04 22:45:22 +02:00
parent f259263a7b
commit 90593ed92c
11 changed files with 21 additions and 23 deletions
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3
src/crypto/aes.cpp
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@@ -112,7 +112,6 @@ static int CBCEncrypt(const T& enc, const unsigned char iv[AES_BLOCKSIZE], const
template <typename T>
static int CBCDecrypt(const T& dec, const unsigned char iv[AES_BLOCKSIZE], const unsigned char* data, int size, bool pad, unsigned char* out)
{
unsigned char padsize = 0;
int written = 0;
bool fail = false;
const unsigned char* prev = iv;
@@ -136,7 +135,7 @@ static int CBCDecrypt(const T& dec, const unsigned char iv[AES_BLOCKSIZE], const
if (pad) {
// If used, padding size is the value of the last decrypted byte. For
// it to be valid, It must be between 1 and AES_BLOCKSIZE.
padsize = *--out;
unsigned char padsize = *--out;
fail = !padsize | (padsize > AES_BLOCKSIZE);
// If not well-formed, treat it as though there's no padding.