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yaml
---
r: 75980
b: refs/heads/master
c: 03bf712
h: refs/heads/master
v: v3
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Herbert Xu committed Jan 10, 2008
1 parent 00faefd commit 0a267b8
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Showing 2 changed files with 73 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0a270321dbf948963aeb0e8382fe17d2c2eb3771
refs/heads/master: 03bf712fb4defc7831c727d1e32d0269f7f96de0
72 changes: 72 additions & 0 deletions trunk/include/crypto/skcipher.h
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@
#define _CRYPTO_SKCIPHER_H

#include <linux/crypto.h>
#include <linux/kernel.h>
#include <linux/slab.h>

/**
* struct skcipher_givcrypt_request - Crypto request with IV generation
Expand All @@ -34,5 +36,75 @@ static inline struct crypto_ablkcipher *skcipher_givcrypt_reqtfm(
return crypto_ablkcipher_reqtfm(&req->creq);
}

static inline int crypto_skcipher_givencrypt(
struct skcipher_givcrypt_request *req)
{
struct ablkcipher_tfm *crt =
crypto_ablkcipher_crt(skcipher_givcrypt_reqtfm(req));
return crt->givencrypt(req);
};

static inline int crypto_skcipher_givdecrypt(
struct skcipher_givcrypt_request *req)
{
struct ablkcipher_tfm *crt =
crypto_ablkcipher_crt(skcipher_givcrypt_reqtfm(req));
return crt->givdecrypt(req);
};

static inline void skcipher_givcrypt_set_tfm(
struct skcipher_givcrypt_request *req, struct crypto_ablkcipher *tfm)
{
req->creq.base.tfm = crypto_ablkcipher_tfm(tfm);
}

static inline struct skcipher_givcrypt_request *skcipher_givcrypt_cast(
struct crypto_async_request *req)
{
return container_of(ablkcipher_request_cast(req),
struct skcipher_givcrypt_request, creq);
}

static inline struct skcipher_givcrypt_request *skcipher_givcrypt_alloc(
struct crypto_ablkcipher *tfm, gfp_t gfp)
{
struct skcipher_givcrypt_request *req;

req = kmalloc(sizeof(struct skcipher_givcrypt_request) +
crypto_ablkcipher_reqsize(tfm), gfp);

if (likely(req))
skcipher_givcrypt_set_tfm(req, tfm);

return req;
}

static inline void skcipher_givcrypt_free(struct skcipher_givcrypt_request *req)
{
kfree(req);
}

static inline void skcipher_givcrypt_set_callback(
struct skcipher_givcrypt_request *req, u32 flags,
crypto_completion_t complete, void *data)
{
ablkcipher_request_set_callback(&req->creq, flags, complete, data);
}

static inline void skcipher_givcrypt_set_crypt(
struct skcipher_givcrypt_request *req,
struct scatterlist *src, struct scatterlist *dst,
unsigned int nbytes, void *iv)
{
ablkcipher_request_set_crypt(&req->creq, src, dst, nbytes, iv);
}

static inline void skcipher_givcrypt_set_giv(
struct skcipher_givcrypt_request *req, u8 *giv, u64 seq)
{
req->giv = giv;
req->seq = seq;
}

#endif /* _CRYPTO_SKCIPHER_H */

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