-/*
+/*
* Cryptographic API.
*
* Blowfish Cipher Algorithm, by Bruce Schneier.
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6,
};
-/*
+/*
* Round loop unrolling macros, S is a pointer to a S-Box array
* organized in 4 unsigned longs at a row.
*/
/*
* The blowfish encipher, processes 64-bit blocks.
- * NOTE: This function MUSTN'T respect endianess
+ * NOTE: This function MUSTN'T respect endianess
*/
static void encrypt_block(struct bf_ctx *bctx, u32 *dst, u32 *src)
{
out_blk[1] = cpu_to_be32(yl);
}
-/*
+/*
* Calculates the blowfish S and P boxes for encryption and decryption.
*/
static int bf_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
/* Actual subkey generation */
for (j = 0, i = 0; i < 16 + 2; i++) {
- temp = (((u32 )key[j] << 24) |
- ((u32 )key[(j + 1) % keylen] << 16) |
- ((u32 )key[(j + 2) % keylen] << 8) |
- ((u32 )key[(j + 3) % keylen]));
+ temp = (((u32)key[j] << 24) |
+ ((u32)key[(j + 1) % keylen] << 16) |
+ ((u32)key[(j + 2) % keylen] << 8) |
+ ((u32)key[(j + 3) % keylen]));
P[i] = P[i] ^ temp;
j = (j + 4) % keylen;
S[count + 1] = data[1];
}
}
-
+
/* Bruce says not to bother with the weak key check. */
return 0;
}