#define _CRYPTO_HASH_H
#include <linux/crypto.h>
-#include <linux/string.h>
-struct hash_alg_common {
- unsigned int digestsize;
- unsigned int statesize;
-
- struct crypto_alg base;
-};
-
-struct shash_desc {
- struct crypto_shash *tfm;
- u32 flags;
-
- void *__ctx[] CRYPTO_MINALIGN_ATTR;
-};
-
-#define SHASH_DESC_ON_STACK(shash, ctx) \
- char __##shash##_desc[sizeof(struct shash_desc) + \
- crypto_shash_descsize(ctx)] CRYPTO_MINALIGN_ATTR; \
- struct shash_desc *shash = (struct shash_desc *)__##shash##_desc
+struct shash_desc;
struct shash_alg {
int (*init)(struct shash_desc *desc);
- int (*update)(struct shash_desc *desc, const u8 *data,
- unsigned int len);
+ int (*update)(struct shash_desc *desc, const u8 *data, unsigned len);
int (*final)(struct shash_desc *desc, u8 *out);
int (*finup)(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out);
+ unsigned len, u8 *out);
int (*digest)(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out);
- int (*export)(struct shash_desc *desc, void *out);
- int (*import)(struct shash_desc *desc, const void *in);
- int (*setkey)(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen);
-
- unsigned int descsize;
-
- /* These fields must match hash_alg_common. */
- unsigned int digestsize
- __attribute__ ((aligned(__alignof__(struct hash_alg_common))));
- unsigned int statesize;
+ unsigned len, u8 *out);
- struct crypto_alg base;
+ unsigned descsize;
+ unsigned digestsize;
+ struct crypto_alg base;
};
+int crypto_register_shash(struct shash_alg *alg);
+
struct crypto_shash {
- unsigned int descsize;
- struct crypto_tfm base;
+ unsigned descsize;
+ struct crypto_tfm base;
};
struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
u32 mask);
-static inline struct crypto_tfm *crypto_shash_tfm(struct crypto_shash *tfm)
-{
- return &tfm->base;
-}
-
static inline void crypto_free_shash(struct crypto_shash *tfm)
{
- crypto_destroy_tfm(tfm, crypto_shash_tfm(tfm));
-}
-
-static inline const char *crypto_shash_alg_name(struct crypto_shash *tfm)
-{
- return crypto_tfm_alg_name(crypto_shash_tfm(tfm));
-}
-
-static inline const char *crypto_shash_driver_name(struct crypto_shash *tfm)
-{
- return crypto_tfm_alg_driver_name(crypto_shash_tfm(tfm));
-}
-
-static inline unsigned int crypto_shash_alignmask(
- struct crypto_shash *tfm)
-{
- return crypto_tfm_alg_alignmask(crypto_shash_tfm(tfm));
-}
-
-static inline unsigned int crypto_shash_blocksize(struct crypto_shash *tfm)
-{
- return crypto_tfm_alg_blocksize(crypto_shash_tfm(tfm));
-}
-
-static inline struct shash_alg *__crypto_shash_alg(struct crypto_alg *alg)
-{
- return container_of(alg, struct shash_alg, base);
+ kfree(tfm);
}
static inline struct shash_alg *crypto_shash_alg(struct crypto_shash *tfm)
{
- return __crypto_shash_alg(crypto_shash_tfm(tfm)->__crt_alg);
+ return container_of(tfm->base.alg, struct shash_alg, base);
}
-static inline unsigned int crypto_shash_digestsize(struct crypto_shash *tfm)
+static inline unsigned crypto_shash_digestsize(struct crypto_shash *tfm)
{
return crypto_shash_alg(tfm)->digestsize;
}
-static inline unsigned int crypto_shash_statesize(struct crypto_shash *tfm)
+static inline unsigned crypto_shash_descsize(struct crypto_shash *tfm)
{
- return crypto_shash_alg(tfm)->statesize;
-}
-
-static inline u32 crypto_shash_get_flags(struct crypto_shash *tfm)
-{
- return crypto_tfm_get_flags(crypto_shash_tfm(tfm));
+ return tfm->descsize;
}
-static inline void crypto_shash_set_flags(struct crypto_shash *tfm, u32 flags)
-{
- crypto_tfm_set_flags(crypto_shash_tfm(tfm), flags);
-}
+struct shash_desc {
+ struct crypto_shash *tfm;
+ u32 flags;
-static inline void crypto_shash_clear_flags(struct crypto_shash *tfm, u32 flags)
-{
- crypto_tfm_clear_flags(crypto_shash_tfm(tfm), flags);
-}
+ void *ctx[] CRYPTO_MINALIGN_ATTR;
+};
-static inline unsigned int crypto_shash_descsize(struct crypto_shash *tfm)
-{
- return tfm->descsize;
-}
+#define SHASH_DESC_ON_STACK(shash, tfm) \
+ char __##shash##_desc[sizeof(struct shash_desc) + \
+ crypto_shash_descsize(tfm)] CRYPTO_MINALIGN_ATTR; \
+ struct shash_desc *shash = (struct shash_desc *)__##shash##_desc
-static inline void *shash_desc_ctx(struct shash_desc *desc)
+static inline int crypto_shash_init(struct shash_desc *desc)
{
- return desc->__ctx;
+ return crypto_shash_alg(desc->tfm)->init(desc);
}
-int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen);
-
-int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out);
-
-static inline int crypto_shash_export(struct shash_desc *desc, void *out)
+static inline int crypto_shash_update(struct shash_desc *desc,
+ const u8 *data, unsigned len)
{
- return crypto_shash_alg(desc->tfm)->export(desc, out);
+ return crypto_shash_alg(desc->tfm)->update(desc, data, len);
}
-static inline int crypto_shash_import(struct shash_desc *desc, const void *in)
+static inline int crypto_shash_final(struct shash_desc *desc, u8 *out)
{
- return crypto_shash_alg(desc->tfm)->import(desc, in);
+ return crypto_shash_alg(desc->tfm)->final(desc, out);
}
-static inline int crypto_shash_init(struct shash_desc *desc)
+static inline int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
+ unsigned len, u8 *out)
{
- return crypto_shash_alg(desc->tfm)->init(desc);
+ return crypto_shash_alg(desc->tfm)->finup(desc, data, len, out);
}
-int crypto_shash_update(struct shash_desc *desc, const u8 *data,
- unsigned int len);
-
-int crypto_shash_final(struct shash_desc *desc, u8 *out);
-
-int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out);
-
-static inline void shash_desc_zero(struct shash_desc *desc)
+static inline int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
+ unsigned len, u8 *out)
{
- memzero_explicit(desc,
- sizeof(*desc) + crypto_shash_descsize(desc->tfm));
+ return crypto_shash_alg(desc->tfm)->digest(desc, data, len, out);
}
#endif /* _CRYPTO_HASH_H */
projects / bcachefs-tools-debian / blobdiff