* SBOX Table
*/
-unsigned char sbox_table[256] =
+static unsigned char sbox_table[256] =
{
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
-unsigned char dot2_table[256] = {
+static unsigned char dot2_table[256] = {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
};
-unsigned char dot3_table[256] = {
+static unsigned char dot3_table[256] = {
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
/*--------------------- Export Functions --------------------------*/
-void xor_128(unsigned char *a, unsigned char *b, unsigned char *out)
+static void xor_128(unsigned char *a, unsigned char *b, unsigned char *out)
{
unsigned long *dwPtrA = (unsigned long *)a;
unsigned long *dwPtrB = (unsigned long *)b;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
-void xor_32(unsigned char *a, unsigned char *b, unsigned char *out)
+static void xor_32(unsigned char *a, unsigned char *b, unsigned char *out)
{
unsigned long *dwPtrA = (unsigned long *)a;
unsigned long *dwPtrB = (unsigned long *)b;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
-void AddRoundKey(unsigned char *key, int round)
+static void AddRoundKey(unsigned char *key, int round)
{
unsigned char sbox_key[4];
unsigned char rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
xor_32(&key[12], &key[8], &key[12]);
}
-void SubBytes(unsigned char *in, unsigned char *out)
+static void SubBytes(unsigned char *in, unsigned char *out)
{
int i;
}
}
-void ShiftRows(unsigned char *in, unsigned char *out)
+static void ShiftRows(unsigned char *in, unsigned char *out)
{
out[0] = in[0];
out[1] = in[5];
out[15] = in[11];
}
-void MixColumns(unsigned char *in, unsigned char *out)
+static void MixColumns(unsigned char *in, unsigned char *out)
{
out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
}
-void AESv128(unsigned char *key, unsigned char *data, unsigned char *ciphertext)
+static void AESv128(unsigned char *key, unsigned char *data, unsigned char *ciphertext)
{
int i;
int round;