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Fix warnings, update Xcode project.

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This commit is contained in:
Michael R Sweet
2021-10-08 14:08:07 -04:00
parent f425952f36
commit 8aef2bfedd
3 changed files with 19 additions and 7 deletions
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8
pdfio-crypto.c
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@@ -80,7 +80,7 @@ static const uint8_t Rcon[11] = // Round constants
// Local functions...
//
static void AddRoundKey(uint8_t round, state_t *state, const uint8_t *RoundKey);
static void AddRoundKey(size_t round, state_t *state, const uint8_t *RoundKey);
static void SubBytes(state_t *state);
static void ShiftRows(state_t *state);
static uint8_t xtime(uint8_t x);
@@ -252,7 +252,7 @@ _pdfioCryptoAESEncrypt(
// This function adds the round key to state.
// The round key is added to the state by an XOR function.
static void
AddRoundKey(uint8_t round, state_t *state, const uint8_t *RoundKey)
AddRoundKey(size_t round, state_t *state, const uint8_t *RoundKey)
{
unsigned i; // Looping var
uint8_t *sptr = (*state)[0]; // Pointer into state
@@ -314,7 +314,7 @@ ShiftRows(state_t *state)
static uint8_t
xtime(uint8_t x)
{
return ((x << 1) ^ ((x >> 7) * 0x1b));
return ((uint8_t)((x << 1) ^ ((x >> 7) * 0x1b)));
}
@@ -466,7 +466,7 @@ Cipher(state_t *state, const _pdfio_aes_t *ctx)
static void
InvCipher(state_t *state, const _pdfio_aes_t *ctx)
{
uint8_t round = 0;
size_t round;
// Add the First round key to the state before starting the rounds.
AddRoundKey(ctx->round_size, state, ctx->round_key);