diff options
Diffstat (limited to 'crypto/des_generic.c')
-rw-r--r-- | crypto/des_generic.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/crypto/des_generic.c b/crypto/des_generic.c index 59966d14b8e0..355ecb71cb0d 100644 --- a/crypto/des_generic.c +++ b/crypto/des_generic.c | |||
@@ -20,13 +20,7 @@ | |||
20 | #include <linux/crypto.h> | 20 | #include <linux/crypto.h> |
21 | #include <linux/types.h> | 21 | #include <linux/types.h> |
22 | 22 | ||
23 | #define DES_KEY_SIZE 8 | 23 | #include <crypto/des.h> |
24 | #define DES_EXPKEY_WORDS 32 | ||
25 | #define DES_BLOCK_SIZE 8 | ||
26 | |||
27 | #define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) | ||
28 | #define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) | ||
29 | #define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE | ||
30 | 24 | ||
31 | #define ROL(x, r) ((x) = rol32((x), (r))) | 25 | #define ROL(x, r) ((x) = rol32((x), (r))) |
32 | #define ROR(x, r) ((x) = ror32((x), (r))) | 26 | #define ROR(x, r) ((x) = ror32((x), (r))) |
@@ -634,7 +628,7 @@ static const u32 S8[64] = { | |||
634 | * Choice 1 has operated on the key. | 628 | * Choice 1 has operated on the key. |
635 | * | 629 | * |
636 | */ | 630 | */ |
637 | static unsigned long ekey(u32 *pe, const u8 *k) | 631 | unsigned long des_ekey(u32 *pe, const u8 *k) |
638 | { | 632 | { |
639 | /* K&R: long is at least 32 bits */ | 633 | /* K&R: long is at least 32 bits */ |
640 | unsigned long a, b, c, d, w; | 634 | unsigned long a, b, c, d, w; |
@@ -709,6 +703,7 @@ static unsigned long ekey(u32 *pe, const u8 *k) | |||
709 | /* Zero if weak key */ | 703 | /* Zero if weak key */ |
710 | return w; | 704 | return w; |
711 | } | 705 | } |
706 | EXPORT_SYMBOL_GPL(des_ekey); | ||
712 | 707 | ||
713 | /* | 708 | /* |
714 | * Decryption key expansion | 709 | * Decryption key expansion |
@@ -792,7 +787,7 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key, | |||
792 | int ret; | 787 | int ret; |
793 | 788 | ||
794 | /* Expand to tmp */ | 789 | /* Expand to tmp */ |
795 | ret = ekey(tmp, key); | 790 | ret = des_ekey(tmp, key); |
796 | 791 | ||
797 | if (unlikely(ret == 0) && (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) { | 792 | if (unlikely(ret == 0) && (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) { |
798 | *flags |= CRYPTO_TFM_RES_WEAK_KEY; | 793 | *flags |= CRYPTO_TFM_RES_WEAK_KEY; |
@@ -879,9 +874,9 @@ static int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, | |||
879 | return -EINVAL; | 874 | return -EINVAL; |
880 | } | 875 | } |
881 | 876 | ||
882 | ekey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE; | 877 | des_ekey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE; |
883 | dkey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE; | 878 | dkey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE; |
884 | ekey(expkey, key); | 879 | des_ekey(expkey, key); |
885 | 880 | ||
886 | return 0; | 881 | return 0; |
887 | } | 882 | } |