8 #ifndef BOTAN_XOR_BUF_H__
9 #define BOTAN_XOR_BUF_H__
11 #include <botan/types.h>
25 #if BOTAN_TARGET_UNALIGNED_MEMORY_ACCESS_OK
26 *
reinterpret_cast<u64bit*
>(out) ^= *reinterpret_cast<const u64bit*>(in);
28 out[0] ^= in[0]; out[1] ^= in[1];
29 out[2] ^= in[2]; out[3] ^= in[3];
30 out[4] ^= in[4]; out[5] ^= in[5];
31 out[6] ^= in[6]; out[7] ^= in[7];
34 out += 8; in += 8; length -= 8;
37 for(
size_t i = 0; i != length; ++i)
55 #if BOTAN_TARGET_UNALIGNED_MEMORY_ACCESS_OK
56 *
reinterpret_cast<u64bit*
>(out) =
57 *reinterpret_cast<const u64bit*>(in) ^
58 *
reinterpret_cast<const u64bit*
>(in2);
60 out[0] = in[0] ^ in2[0]; out[1] = in[1] ^ in2[1];
61 out[2] = in[2] ^ in2[2]; out[3] = in[3] ^ in2[3];
62 out[4] = in[4] ^ in2[4]; out[5] = in[5] ^ in2[5];
63 out[6] = in[6] ^ in2[6]; out[7] = in[7] ^ in2[7];
66 in += 8; in2 += 8; out += 8; length -= 8;
69 for(
size_t i = 0; i != length; ++i)
70 out[i] = in[i] ^ in2[i];
unsigned long long u64bit
void xor_buf(byte out[], const byte in[], size_t length)