2 * Header file to maintain compatibility among different kernel versions.
4 * Copyright (c) 2004-2006 <lawrence_wang@realsil.com.cn>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation. See README and COPYING for
12 #include <linux/crypto.h>
14 static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
15 struct scatterlist *dst,
16 struct scatterlist *src,
19 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
20 return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
24 static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
25 struct scatterlist *dst,
26 struct scatterlist *src,
29 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
30 return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
35 * crypto_free_tfm - Free crypto transform
36 * @tfm: Transform to free
38 * crypto_free_tfm() frees up the transform and any associated resources,
39 * then drops the refcount on the associated algorithm.
41 void crypto_free_tfm(struct crypto_tfm *tfm)
43 struct crypto_alg *alg;
50 size = sizeof(*tfm) + alg->cra_ctxsize;
62 struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
64 struct crypto_tfm *tfm = NULL;
66 printk("call crypto_alloc_tfm!!!\n");
68 struct crypto_alg *alg;
70 alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC);
75 tfm = __crypto_alloc_tfm(alg, flags);
82 } while (err == -EAGAIN && !signal_pending(current));
87 //EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
88 //EXPORT_SYMBOL_GPL(crypto_free_tfm);