[linux-block.git] / include / crypto / algapi.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Cryptographic API for algorithms (i.e., low-level API).
 *
 * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
 */
#ifndef _CRYPTO_ALGAPI_H
#define _CRYPTO_ALGAPI_H

#include <linux/align.h>
#include <linux/cache.h>
#include <linux/crypto.h>
#include <linux/kconfig.h>
#include <linux/list.h>
#include <linux/types.h>

#include <asm/unaligned.h>

/*
 * Maximum values for blocksize and alignmask, used to allocate
 * static buffers that are big enough for any combination of
 * algs and architectures. Ciphers have a lower maximum size.
 */
#define MAX_ALGAPI_BLOCKSIZE		160
#define MAX_ALGAPI_ALIGNMASK		127
#define MAX_CIPHER_BLOCKSIZE		16
#define MAX_CIPHER_ALIGNMASK		15

#ifdef ARCH_DMA_MINALIGN
#define CRYPTO_DMA_ALIGN ARCH_DMA_MINALIGN
#else
#define CRYPTO_DMA_ALIGN CRYPTO_MINALIGN
#endif

#define CRYPTO_DMA_PADDING ((CRYPTO_DMA_ALIGN - 1) & ~(CRYPTO_MINALIGN - 1))

struct crypto_aead;
struct crypto_instance;
struct module;
struct notifier_block;
struct rtattr;
struct seq_file;
struct sk_buff;

struct crypto_type {
	unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
	unsigned int (*extsize)(struct crypto_alg *alg);
	int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
	int (*init_tfm)(struct crypto_tfm *tfm);
	void (*show)(struct seq_file *m, struct crypto_alg *alg);
	int (*report)(struct sk_buff *skb, struct crypto_alg *alg);
	void (*free)(struct crypto_instance *inst);
#ifdef CONFIG_CRYPTO_STATS
	int (*report_stat)(struct sk_buff *skb, struct crypto_alg *alg);
#endif

	unsigned int type;
	unsigned int maskclear;
	unsigned int maskset;
	unsigned int tfmsize;
};

struct crypto_instance {
	struct crypto_alg alg;

	struct crypto_template *tmpl;

	union {
		/* Node in list of instances after registration. */
		struct hlist_node list;
		/* List of attached spawns before registration. */
		struct crypto_spawn *spawns;
	};

	void *__ctx[] CRYPTO_MINALIGN_ATTR;
};

struct crypto_template {
	struct list_head list;
	struct hlist_head instances;
	struct module *module;

	int (*create)(struct crypto_template *tmpl, struct rtattr **tb);

	char name[CRYPTO_MAX_ALG_NAME];
};

struct crypto_spawn {
	struct list_head list;
	struct crypto_alg *alg;
	union {
		/* Back pointer to instance after registration.*/
		struct crypto_instance *inst;
		/* Spawn list pointer prior to registration. */
		struct crypto_spawn *next;
	};
	const struct crypto_type *frontend;
	u32 mask;
	bool dead;
	bool registered;
};

struct crypto_queue {
	struct list_head list;
	struct list_head *backlog;

	unsigned int qlen;
	unsigned int max_qlen;
};

struct scatter_walk {
	struct scatterlist *sg;
	unsigned int offset;
};

struct crypto_attr_alg {
	char name[CRYPTO_MAX_ALG_NAME];
};

struct crypto_attr_type {
	u32 type;
	u32 mask;
};

void crypto_mod_put(struct crypto_alg *alg);

int crypto_register_template(struct crypto_template *tmpl);
int crypto_register_templates(struct crypto_template *tmpls, int count);
void crypto_unregister_template(struct crypto_template *tmpl);
void crypto_unregister_templates(struct crypto_template *tmpls, int count);
struct crypto_template *crypto_lookup_template(const char *name);

int crypto_register_instance(struct crypto_template *tmpl,
			     struct crypto_instance *inst);
void crypto_unregister_instance(struct crypto_instance *inst);

int crypto_grab_spawn(struct crypto_spawn *spawn, struct crypto_instance *inst,
		      const char *name, u32 type, u32 mask);
void crypto_drop_spawn(struct crypto_spawn *spawn);
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
				    u32 mask);
void *crypto_spawn_tfm2(struct crypto_spawn *spawn);

struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
int crypto_check_attr_type(struct rtattr **tb, u32 type, u32 *mask_ret);
const char *crypto_attr_alg_name(struct rtattr *rta);
int crypto_inst_setname(struct crypto_instance *inst, const char *name,
			struct crypto_alg *alg);

void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
int crypto_enqueue_request(struct crypto_queue *queue,
			   struct crypto_async_request *request);
void crypto_enqueue_request_head(struct crypto_queue *queue,
				 struct crypto_async_request *request);
struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
static inline unsigned int crypto_queue_len(struct crypto_queue *queue)
{
	return queue->qlen;
}

void crypto_inc(u8 *a, unsigned int size);
void __crypto_xor(u8 *dst, const u8 *src1, const u8 *src2, unsigned int size);

static inline void crypto_xor(u8 *dst, const u8 *src, unsigned int size)
{
	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
	    __builtin_constant_p(size) &&
	    (size % sizeof(unsigned long)) == 0) {
		unsigned long *d = (unsigned long *)dst;
		unsigned long *s = (unsigned long *)src;
		unsigned long l;

		while (size > 0) {
			l = get_unaligned(d) ^ get_unaligned(s++);
			put_unaligned(l, d++);
			size -= sizeof(unsigned long);
		}
	} else {
		__crypto_xor(dst, dst, src, size);
	}
}

static inline void crypto_xor_cpy(u8 *dst, const u8 *src1, const u8 *src2,
				  unsigned int size)
{
	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
	    __builtin_constant_p(size) &&
	    (size % sizeof(unsigned long)) == 0) {
		unsigned long *d = (unsigned long *)dst;
		unsigned long *s1 = (unsigned long *)src1;
		unsigned long *s2 = (unsigned long *)src2;
		unsigned long l;

		while (size > 0) {
			l = get_unaligned(s1++) ^ get_unaligned(s2++);
			put_unaligned(l, d++);
			size -= sizeof(unsigned long);
		}
	} else {
		__crypto_xor(dst, src1, src2, size);
	}
}

static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
{
	return tfm->__crt_ctx;
}

static inline void *crypto_tfm_ctx_align(struct crypto_tfm *tfm,
					 unsigned int align)
{
	if (align <= crypto_tfm_ctx_alignment())
		align = 1;

	return PTR_ALIGN(crypto_tfm_ctx(tfm), align);
}

static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
{
	return crypto_tfm_ctx_align(tfm, crypto_tfm_alg_alignmask(tfm) + 1);
}

static inline unsigned int crypto_dma_align(void)
{
	return CRYPTO_DMA_ALIGN;
}

static inline unsigned int crypto_dma_padding(void)
{
	return (crypto_dma_align() - 1) & ~(crypto_tfm_ctx_alignment() - 1);
}

static inline void *crypto_tfm_ctx_dma(struct crypto_tfm *tfm)
{
	return crypto_tfm_ctx_align(tfm, crypto_dma_align());
}

static inline struct crypto_instance *crypto_tfm_alg_instance(
	struct crypto_tfm *tfm)
{
	return container_of(tfm->__crt_alg, struct crypto_instance, alg);
}

static inline void *crypto_instance_ctx(struct crypto_instance *inst)
{
	return inst->__ctx;
}

static inline struct crypto_async_request *crypto_get_backlog(
	struct crypto_queue *queue)
{
	return queue->backlog == &queue->list ? NULL :
	       container_of(queue->backlog, struct crypto_async_request, list);
}

static inline u32 crypto_requires_off(struct crypto_attr_type *algt, u32 off)
{
	return (algt->type ^ off) & algt->mask & off;
}

/*
 * When an algorithm uses another algorithm (e.g., if it's an instance of a
 * template), these are the flags that should always be set on the "outer"
 * algorithm if any "inner" algorithm has them set.
 */
#define CRYPTO_ALG_INHERITED_FLAGS	\
	(CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK |	\
	 CRYPTO_ALG_ALLOCATES_MEMORY)

/*
 * Given the type and mask that specify the flags restrictions on a template
 * instance being created, return the mask that should be passed to
 * crypto_grab_*() (along with type=0) to honor any request the user made to
 * have any of the CRYPTO_ALG_INHERITED_FLAGS clear.
 */
static inline u32 crypto_algt_inherited_mask(struct crypto_attr_type *algt)
{
	return crypto_requires_off(algt, CRYPTO_ALG_INHERITED_FLAGS);
}

noinline unsigned long __crypto_memneq(const void *a, const void *b, size_t size);

/**
 * crypto_memneq - Compare two areas of memory without leaking
 *		   timing information.
 *
 * @a: One area of memory
 * @b: Another area of memory
 * @size: The size of the area.
 *
 * Returns 0 when data is equal, 1 otherwise.
 */
static inline int crypto_memneq(const void *a, const void *b, size_t size)
{
	return __crypto_memneq(a, b, size) != 0UL ? 1 : 0;
}

int crypto_register_notifier(struct notifier_block *nb);
int crypto_unregister_notifier(struct notifier_block *nb);

/* Crypto notification events. */
enum {
	CRYPTO_MSG_ALG_REQUEST,
	CRYPTO_MSG_ALG_REGISTER,
	CRYPTO_MSG_ALG_LOADED,
};

static inline void crypto_request_complete(struct crypto_async_request *req,
					   int err)
{
	req->complete(req->data, err);
}

#endif	/* _CRYPTO_ALGAPI_H */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
cce9e06d HX	2	/*
	3	* Cryptographic API for algorithms (i.e., low-level API).
	4	*
	5	* Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
cce9e06d HX	6	*/
	7	#ifndef _CRYPTO_ALGAPI_H
	8	#define _CRYPTO_ALGAPI_H
	9
244d22ff	10	#include <linux/align.h>
eaade84a	11	#include <linux/cache.h>
cce9e06d	12	#include <linux/crypto.h>
244d22ff	13	#include <linux/kconfig.h>
b5b7f088	14	#include <linux/list.h>
244d22ff	15	#include <linux/types.h>
cce9e06d	16
7976c149 AB	17	#include <asm/unaligned.h>
7976c149 AB	18
13c935bb SM	19	/*
	20	* Maximum values for blocksize and alignmask, used to allocate
	21	* static buffers that are big enough for any combination of
a9f7f88a	22	* algs and architectures. Ciphers have a lower maximum size.
13c935bb	23	*/
a9f7f88a	24	#define MAX_ALGAPI_BLOCKSIZE 160
1c799571	25	#define MAX_ALGAPI_ALIGNMASK 127
13c935bb SM	26	#define MAX_CIPHER_BLOCKSIZE 16
	27	#define MAX_CIPHER_ALIGNMASK 15
	28
e634ac4a HX	29	#ifdef ARCH_DMA_MINALIGN
	30	#define CRYPTO_DMA_ALIGN ARCH_DMA_MINALIGN
	31	#else
	32	#define CRYPTO_DMA_ALIGN CRYPTO_MINALIGN
	33	#endif
	34
	35	#define CRYPTO_DMA_PADDING ((CRYPTO_DMA_ALIGN - 1) & ~(CRYPTO_MINALIGN - 1))
	36
5d1d65f8	37	struct crypto_aead;
319382a6	38	struct crypto_instance;
4cc7720c	39	struct module;
244d22ff	40	struct notifier_block;
ebc610e5	41	struct rtattr;
e853c3cf	42	struct seq_file;
0c3dc787	43	struct sk_buff;
e853c3cf HX	44
e853c3cf HX	45	struct crypto_type {
27d2a330	46	unsigned int (ctxsize)(struct crypto_alg alg, u32 type, u32 mask);
2ca33da1	47	unsigned int (extsize)(struct crypto_alg alg);
27d2a330	48	int (init)(struct crypto_tfm tfm, u32 type, u32 mask);
2ca33da1	49	int (init_tfm)(struct crypto_tfm tfm);
e853c3cf	50	void (show)(struct seq_file m, struct crypto_alg *alg);
b6aa63c0	51	int (report)(struct sk_buff skb, struct crypto_alg *alg);
319382a6	52	void (free)(struct crypto_instance inst);
ed0733ea HX	53	#ifdef CONFIG_CRYPTO_STATS
	54	int (report_stat)(struct sk_buff skb, struct crypto_alg *alg);
	55	#endif
7b0bac64 HX	56
	57	unsigned int type;
	58	unsigned int maskclear;
	59	unsigned int maskset;
	60	unsigned int tfmsize;
e853c3cf	61	};
4cc7720c HX	62
	63	struct crypto_instance {
	64	struct crypto_alg alg;
	65
	66	struct crypto_template *tmpl;
5f567fff HX	67
	68	union {
	69	/* Node in list of instances after registration. */
	70	struct hlist_node list;
	71	/* List of attached spawns before registration. */
	72	struct crypto_spawn *spawns;
	73	};
4cc7720c HX	74
	75	void *__ctx[] CRYPTO_MINALIGN_ATTR;
	76	};
	77
	78	struct crypto_template {
	79	struct list_head list;
	80	struct hlist_head instances;
	81	struct module *module;
	82
f2ac72e8	83	int (create)(struct crypto_template tmpl, struct rtattr **tb);
4cc7720c HX	84
	85	char name[CRYPTO_MAX_ALG_NAME];
	86	};
	87
6bfd4809 HX	88	struct crypto_spawn {
	89	struct list_head list;
	90	struct crypto_alg *alg;
5f567fff HX	91	union {
	92	/* Back pointer to instance after registration.*/
	93	struct crypto_instance *inst;
	94	/* Spawn list pointer prior to registration. */
	95	struct crypto_spawn *next;
	96	};
97eedce1	97	const struct crypto_type *frontend;
a73e6996	98	u32 mask;
4f87ee11	99	bool dead;
5f567fff	100	bool registered;
6bfd4809 HX	101	};
6bfd4809 HX	102
b5b7f088 HX	103	struct crypto_queue {
	104	struct list_head list;
	105	struct list_head *backlog;
	106
	107	unsigned int qlen;
	108	unsigned int max_qlen;
	109	};
	110
5c64097a HX	111	struct scatter_walk {
	112	struct scatterlist *sg;
	113	unsigned int offset;
	114	};
	115
5163ab50 HX	116	struct crypto_attr_alg {
	117	char name[CRYPTO_MAX_ALG_NAME];
	118	};
	119
	120	struct crypto_attr_type {
	121	u32 type;
	122	u32 mask;
	123	};
	124
db131ef9 HX	125	void crypto_mod_put(struct crypto_alg *alg);
db131ef9 HX	126
4cc7720c	127	int crypto_register_template(struct crypto_template *tmpl);
9572442d	128	int crypto_register_templates(struct crypto_template *tmpls, int count);
4cc7720c	129	void crypto_unregister_template(struct crypto_template *tmpl);
9572442d	130	void crypto_unregister_templates(struct crypto_template *tmpls, int count);
4cc7720c HX	131	struct crypto_template crypto_lookup_template(const char name);
4cc7720c HX	132
9cd899a3 HX	133	int crypto_register_instance(struct crypto_template *tmpl,
9cd899a3 HX	134	struct crypto_instance *inst);
c6d633a9	135	void crypto_unregister_instance(struct crypto_instance *inst);
9cd899a3	136
de95c957 EB	137	int crypto_grab_spawn(struct crypto_spawn spawn, struct crypto_instance inst,
de95c957 EB	138	const char *name, u32 type, u32 mask);
6bfd4809	139	void crypto_drop_spawn(struct crypto_spawn *spawn);
2e306ee0 HX	140	struct crypto_tfm crypto_spawn_tfm(struct crypto_spawn spawn, u32 type,
2e306ee0 HX	141	u32 mask);
97eedce1	142	void crypto_spawn_tfm2(struct crypto_spawn spawn);
6bfd4809	143
ebc610e5	144	struct crypto_attr_type crypto_get_attr_type(struct rtattr *tb);
7bcb2c99	145	int crypto_check_attr_type(struct rtattr *tb, u32 type, u32 mask_ret);
68b6c7d6	146	const char crypto_attr_alg_name(struct rtattr rta);
32f27c74 HX	147	int crypto_inst_setname(struct crypto_instance inst, const char name,
32f27c74 HX	148	struct crypto_alg *alg);
7fed0bf2	149
b5b7f088 HX	150	void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
	151	int crypto_enqueue_request(struct crypto_queue *queue,
	152	struct crypto_async_request *request);
ec6e2bf3 IP	153	void crypto_enqueue_request_head(struct crypto_queue *queue,
ec6e2bf3 IP	154	struct crypto_async_request *request);
b5b7f088	155	struct crypto_async_request crypto_dequeue_request(struct crypto_queue queue);
9f93a8a0 BW	156	static inline unsigned int crypto_queue_len(struct crypto_queue *queue)
	157	{
	158	return queue->qlen;
	159	}
b5b7f088	160
7613636d	161	void crypto_inc(u8 *a, unsigned int size);
a7c391f0	162	void __crypto_xor(u8 dst, const u8 src1, const u8 *src2, unsigned int size);
db91af0f AB	163
	164	static inline void crypto_xor(u8 dst, const u8 src, unsigned int size)
	165	{
	166	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
	167	__builtin_constant_p(size) &&
	168	(size % sizeof(unsigned long)) == 0) {
	169	unsigned long d = (unsigned long )dst;
	170	unsigned long s = (unsigned long )src;
7976c149	171	unsigned long l;
db91af0f AB	172
db91af0f AB	173	while (size > 0) {
7976c149 AB	174	l = get_unaligned(d) ^ get_unaligned(s++);
7976c149 AB	175	put_unaligned(l, d++);
db91af0f AB	176	size -= sizeof(unsigned long);
	177	}
	178	} else {
a7c391f0	179	__crypto_xor(dst, dst, src, size);
db91af0f AB	180	}
db91af0f AB	181	}
7613636d	182
45fe93df AB	183	static inline void crypto_xor_cpy(u8 dst, const u8 src1, const u8 *src2,
	184	unsigned int size)
	185	{
	186	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
	187	__builtin_constant_p(size) &&
	188	(size % sizeof(unsigned long)) == 0) {
	189	unsigned long d = (unsigned long )dst;
	190	unsigned long s1 = (unsigned long )src1;
	191	unsigned long s2 = (unsigned long )src2;
7976c149	192	unsigned long l;
45fe93df AB	193
45fe93df AB	194	while (size > 0) {
7976c149 AB	195	l = get_unaligned(s1++) ^ get_unaligned(s2++);
7976c149 AB	196	put_unaligned(l, d++);
45fe93df AB	197	size -= sizeof(unsigned long);
	198	}
	199	} else {
	200	__crypto_xor(dst, src1, src2, size);
	201	}
	202	}
	203
e634ac4a HX	204	static inline void crypto_tfm_ctx(struct crypto_tfm tfm)
	205	{
	206	return tfm->__crt_ctx;
	207	}
	208
	209	static inline void crypto_tfm_ctx_align(struct crypto_tfm tfm,
	210	unsigned int align)
	211	{
	212	if (align <= crypto_tfm_ctx_alignment())
	213	align = 1;
	214
	215	return PTR_ALIGN(crypto_tfm_ctx(tfm), align);
	216	}
	217
5cde0af2 HX	218	static inline void crypto_tfm_ctx_aligned(struct crypto_tfm tfm)
5cde0af2 HX	219	{
e634ac4a HX	220	return crypto_tfm_ctx_align(tfm, crypto_tfm_alg_alignmask(tfm) + 1);
	221	}
	222
	223	static inline unsigned int crypto_dma_align(void)
	224	{
	225	return CRYPTO_DMA_ALIGN;
	226	}
	227
	228	static inline unsigned int crypto_dma_padding(void)
	229	{
	230	return (crypto_dma_align() - 1) & ~(crypto_tfm_ctx_alignment() - 1);
	231	}
	232
	233	static inline void crypto_tfm_ctx_dma(struct crypto_tfm tfm)
	234	{
	235	return crypto_tfm_ctx_align(tfm, crypto_dma_align());
5cde0af2 HX	236	}
5cde0af2 HX	237
124b53d0 HX	238	static inline struct crypto_instance *crypto_tfm_alg_instance(
	239	struct crypto_tfm *tfm)
	240	{
	241	return container_of(tfm->__crt_alg, struct crypto_instance, alg);
	242	}
	243
4cc7720c HX	244	static inline void crypto_instance_ctx(struct crypto_instance inst)
	245	{
	246	return inst->__ctx;
	247	}
	248
b5b7f088 HX	249	static inline struct crypto_async_request *crypto_get_backlog(
	250	struct crypto_queue *queue)
	251	{
	252	return queue->backlog == &queue->list ? NULL :
	253	container_of(queue->backlog, struct crypto_async_request, list);
	254	}
	255
7bcb2c99	256	static inline u32 crypto_requires_off(struct crypto_attr_type *algt, u32 off)
016df0ab	257	{
7bcb2c99	258	return (algt->type ^ off) & algt->mask & off;
016df0ab HX	259	}
016df0ab HX	260
378f4f51	261	/*
7bcb2c99 EB	262	* When an algorithm uses another algorithm (e.g., if it's an instance of a
	263	* template), these are the flags that should always be set on the "outer"
	264	* algorithm if any "inner" algorithm has them set.
378f4f51	265	*/
2eb27c11	266	#define CRYPTO_ALG_INHERITED_FLAGS \
fbb6cda4 EB	267	(CRYPTO_ALG_ASYNC \| CRYPTO_ALG_NEED_FALLBACK \| \
fbb6cda4 EB	268	CRYPTO_ALG_ALLOCATES_MEMORY)
7bcb2c99 EB	269
	270	/*
	271	* Given the type and mask that specify the flags restrictions on a template
	272	* instance being created, return the mask that should be passed to
	273	* crypto_grab_*() (along with type=0) to honor any request the user made to
	274	* have any of the CRYPTO_ALG_INHERITED_FLAGS clear.
	275	*/
	276	static inline u32 crypto_algt_inherited_mask(struct crypto_attr_type *algt)
378f4f51	277	{
7bcb2c99	278	return crypto_requires_off(algt, CRYPTO_ALG_INHERITED_FLAGS);
378f4f51 HX	279	}
378f4f51 HX	280
6bf37e5a JY	281	noinline unsigned long __crypto_memneq(const void a, const void b, size_t size);
	282
	283	/**
	284	* crypto_memneq - Compare two areas of memory without leaking
	285	* timing information.
	286	*
	287	* @a: One area of memory
	288	* @b: Another area of memory
	289	* @size: The size of the area.
	290	*
	291	* Returns 0 when data is equal, 1 otherwise.
	292	*/
	293	static inline int crypto_memneq(const void a, const void b, size_t size)
	294	{
	295	return __crypto_memneq(a, b, size) != 0UL ? 1 : 0;
	296	}
cce9e06d	297
dd8b083f MP	298	int crypto_register_notifier(struct notifier_block *nb);
	299	int crypto_unregister_notifier(struct notifier_block *nb);
	300
	301	/* Crypto notification events. */
	302	enum {
	303	CRYPTO_MSG_ALG_REQUEST,
	304	CRYPTO_MSG_ALG_REGISTER,
	305	CRYPTO_MSG_ALG_LOADED,
	306	};
	307
c35e03ea HX	308	static inline void crypto_request_complete(struct crypto_async_request *req,
	309	int err)
	310	{
255e48eb	311	req->complete(req->data, err);
c35e03ea HX	312	}
c35e03ea HX	313
6bf37e5a	314	#endif /* _CRYPTO_ALGAPI_H */