struct crypto_async_request;
struct crypto_blkcipher;
struct crypto_hash;
+struct crypto_queue;
struct crypto_tfm;
struct crypto_type;
* Algorithms: modular crypto algorithm implementations, managed
* via crypto_register_alg() and crypto_unregister_alg().
*/
+struct ablkcipher_alg {
+ int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key,
+ unsigned int keylen);
+ int (*encrypt)(struct ablkcipher_request *req);
+ int (*decrypt)(struct ablkcipher_request *req);
+
+ struct crypto_queue *queue;
+
+ unsigned int min_keysize;
+ unsigned int max_keysize;
+ unsigned int ivsize;
+};
+
struct blkcipher_alg {
int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen);
unsigned int slen, u8 *dst, unsigned int *dlen);
};
+#define cra_ablkcipher cra_u.ablkcipher
#define cra_blkcipher cra_u.blkcipher
#define cra_cipher cra_u.cipher
#define cra_digest cra_u.digest
const struct crypto_type *cra_type;
union {
+ struct ablkcipher_alg ablkcipher;
struct blkcipher_alg blkcipher;
struct cipher_alg cipher;
struct digest_alg digest;
};
struct cipher_tfm {
- void *cit_iv;
- unsigned int cit_ivsize;
- u32 cit_mode;
int (*cit_setkey)(struct crypto_tfm *tfm,
const u8 *key, unsigned int keylen);
- int (*cit_encrypt)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes);
- int (*cit_encrypt_iv)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv);
- int (*cit_decrypt)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes);
- int (*cit_decrypt_iv)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv);
- void (*cit_xor_block)(u8 *dst, const u8 *src);
void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
};
enum {
CRYPTOA_UNSPEC,
CRYPTOA_ALG,
+ CRYPTOA_TYPE,
+ __CRYPTOA_MAX,
};
+#define CRYPTOA_MAX (__CRYPTOA_MAX - 1)
+
struct crypto_attr_alg {
char name[CRYPTO_MAX_ALG_NAME];
};
+struct crypto_attr_type {
+ u32 type;
+ u32 mask;
+};
+
/*
* Transform user interface.
*/
return crypto_ablkcipher_crt(tfm)->reqsize;
}
+static inline void ablkcipher_request_set_tfm(
+ struct ablkcipher_request *req, struct crypto_ablkcipher *tfm)
+{
+ req->base.tfm = crypto_ablkcipher_tfm(tfm);
+}
+
+static inline struct ablkcipher_request *ablkcipher_request_cast(
+ struct crypto_async_request *req)
+{
+ return container_of(req, struct ablkcipher_request, base);
+}
+
static inline struct ablkcipher_request *ablkcipher_request_alloc(
struct crypto_ablkcipher *tfm, gfp_t gfp)
{
crypto_ablkcipher_reqsize(tfm), gfp);
if (likely(req))
- req->base.tfm = crypto_ablkcipher_tfm(tfm);
+ ablkcipher_request_set_tfm(req, tfm);
return req;
}