#include <linux/crypto.h>
#include <linux/types.h>
-#define DES_KEY_SIZE 8
-#define DES_EXPKEY_WORDS 32
-#define DES_BLOCK_SIZE 8
-
-#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE)
-#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS)
-#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE
+#include <crypto/des.h>
#define ROL(x, r) ((x) = rol32((x), (r)))
#define ROR(x, r) ((x) = ror32((x), (r)))
* Choice 1 has operated on the key.
*
*/
-static unsigned long ekey(u32 *pe, const u8 *k)
+unsigned long des_ekey(u32 *pe, const u8 *k)
{
/* K&R: long is at least 32 bits */
unsigned long a, b, c, d, w;
/* Zero if weak key */
return w;
}
+EXPORT_SYMBOL_GPL(des_ekey);
/*
* Decryption key expansion
int ret;
/* Expand to tmp */
- ret = ekey(tmp, key);
+ ret = des_ekey(tmp, key);
if (unlikely(ret == 0) && (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
- ekey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE;
+ des_ekey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE;
dkey(expkey, key); expkey += DES_EXPKEY_WORDS; key += DES_KEY_SIZE;
- ekey(expkey, key);
+ des_ekey(expkey, key);
return 0;
}
MODULE_ALIAS("des3_ede");
-static int __init init(void)
+static int __init des_generic_mod_init(void)
{
int ret = 0;
return ret;
}
-static void __exit fini(void)
+static void __exit des_generic_mod_fini(void)
{
crypto_unregister_alg(&des3_ede_alg);
crypto_unregister_alg(&des_alg);
}
-module_init(init);
-module_exit(fini);
+module_init(des_generic_mod_init);
+module_exit(des_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");