crypto: blowfish - rename C-version to blowfish_generic

Rename blowfish to blowfish_generic so that assembler versions of blowfish
cipher can autoload. Module alias 'blowfish' is added.

Also fix checkpatch warnings.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/Makefile b/crypto/Makefile
index 495b791..fa8cbbb 100644 (file)
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -60,7 +60,7 @@ obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
 obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
 obj-$(CONFIG_CRYPTO_DES) += des_generic.o
 obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o
-obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish.o
+obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish_generic.o
 obj-$(CONFIG_CRYPTO_BLOWFISH_COMMON) += blowfish_common.o
 obj-$(CONFIG_CRYPTO_TWOFISH) += twofish_generic.o
 obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += twofish_common.o

diff --git a/crypto/blowfish.c b/crypto/blowfish_generic.c
similarity index 92%
rename from crypto/blowfish.c
rename to crypto/blowfish_generic.c
index 0f86d31..6f269b5 100644 (file)
--- a/crypto/blowfish.c
+++ b/crypto/blowfish_generic.c
@@ -34,9 +34,9 @@
 #define GET32_0(x) (((x) >> (24)) & (0xff))
 
 #define bf_F(x) (((S[GET32_0(x)] + S[256 + GET32_1(x)]) ^ \
-          S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
+               S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
 
-#define ROUND(a, b, n)  b ^= P[n]; a ^= bf_F (b)
+#define ROUND(a, b, n) ({ b ^= P[n]; a ^= bf_F(b); })
 
 static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 {
@@ -108,6 +108,8 @@ static void bf_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 
 static struct crypto_alg alg = {
        .cra_name               =       "blowfish",
+       .cra_driver_name        =       "blowfish-generic",
+       .cra_priority           =       100,
        .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
        .cra_blocksize          =       BF_BLOCK_SIZE,
        .cra_ctxsize            =       sizeof(struct bf_ctx),
@@ -118,8 +120,8 @@ static struct crypto_alg alg = {
        .cia_min_keysize        =       BF_MIN_KEY_SIZE,
        .cia_max_keysize        =       BF_MAX_KEY_SIZE,
        .cia_setkey             =       blowfish_setkey,
-       .cia_encrypt            =       bf_encrypt,
-       .cia_decrypt            =       bf_decrypt } }
+       .cia_encrypt            =       bf_encrypt,
+       .cia_decrypt            =       bf_decrypt } }
 };
 
 static int __init blowfish_mod_init(void)
@@ -137,3 +139,4 @@ module_exit(blowfish_mod_fini);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Blowfish Cipher Algorithm");
+MODULE_ALIAS("blowfish");