X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fcrypto.h;h=24d2e30f1b4649ad69e44ab25813b4f85c11b352;hb=f653398c86a1c104f0992bd788dd4bb065449be4;hp=fa7afa9b9f4f14910f13cbfb6fdc09180520ec9f;hpb=ecfc43292f68566c144afca966b46b371c26d56c;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index fa7afa9..24d2e30 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -30,15 +30,20 @@
  */
 #define CRYPTO_ALG_TYPE_MASK		0x0000000f
 #define CRYPTO_ALG_TYPE_CIPHER		0x00000001
-#define CRYPTO_ALG_TYPE_DIGEST		0x00000002
-#define CRYPTO_ALG_TYPE_HASH		0x00000003
+#define CRYPTO_ALG_TYPE_COMPRESS	0x00000002
+#define CRYPTO_ALG_TYPE_AEAD		0x00000003
 #define CRYPTO_ALG_TYPE_BLKCIPHER	0x00000004
 #define CRYPTO_ALG_TYPE_ABLKCIPHER	0x00000005
 #define CRYPTO_ALG_TYPE_GIVCIPHER	0x00000006
-#define CRYPTO_ALG_TYPE_COMPRESS	0x00000008
-#define CRYPTO_ALG_TYPE_AEAD		0x00000009
+#define CRYPTO_ALG_TYPE_DIGEST		0x00000008
+#define CRYPTO_ALG_TYPE_HASH		0x00000008
+#define CRYPTO_ALG_TYPE_SHASH		0x00000009
+#define CRYPTO_ALG_TYPE_AHASH		0x0000000a
+#define CRYPTO_ALG_TYPE_RNG		0x0000000c
+#define CRYPTO_ALG_TYPE_PCOMPRESS	0x0000000f
 
 #define CRYPTO_ALG_TYPE_HASH_MASK	0x0000000e
+#define CRYPTO_ALG_TYPE_AHASH_MASK	0x0000000c
 #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK	0x0000000c
 
 #define CRYPTO_ALG_LARVAL		0x00000010
@@ -59,6 +64,14 @@
 #define CRYPTO_ALG_GENIV		0x00000200
 
 /*
+ * Set if the algorithm has passed automated run-time testing.  Note that
+ * if there is no run-time testing for a given algorithm it is considered
+ * to have passed.
+ */
+
+#define CRYPTO_ALG_TESTED		0x00000400
+
+/*
  * Transform masks and values (for crt_flags).
  */
 #define CRYPTO_TFM_REQ_MASK		0x000fff00
@@ -90,13 +103,11 @@
 #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
 #elif defined(ARCH_SLAB_MINALIGN)
 #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
+#else
+#define CRYPTO_MINALIGN __alignof__(unsigned long long)
 #endif
 
-#ifdef CRYPTO_MINALIGN
 #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
-#else
-#define CRYPTO_MINALIGN_ATTR
-#endif
 
 struct scatterlist;
 struct crypto_ablkcipher;
@@ -104,8 +115,10 @@ struct crypto_async_request;
 struct crypto_aead;
 struct crypto_blkcipher;
 struct crypto_hash;
+struct crypto_rng;
 struct crypto_tfm;
 struct crypto_type;
+struct aead_givcrypt_request;
 struct skcipher_givcrypt_request;
 
 typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
@@ -202,6 +215,10 @@ struct aead_alg {
 	int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
 	int (*encrypt)(struct aead_request *req);
 	int (*decrypt)(struct aead_request *req);
+	int (*givencrypt)(struct aead_givcrypt_request *req);
+	int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+	const char *geniv;
 
 	unsigned int ivsize;
 	unsigned int maxauthsize;
@@ -233,29 +250,6 @@ struct cipher_alg {
 	void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
 };
 
-struct digest_alg {
-	unsigned int dia_digestsize;
-	void (*dia_init)(struct crypto_tfm *tfm);
-	void (*dia_update)(struct crypto_tfm *tfm, const u8 *data,
-			   unsigned int len);
-	void (*dia_final)(struct crypto_tfm *tfm, u8 *out);
-	int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key,
-	                  unsigned int keylen);
-};
-
-struct hash_alg {
-	int (*init)(struct hash_desc *desc);
-	int (*update)(struct hash_desc *desc, struct scatterlist *sg,
-		      unsigned int nbytes);
-	int (*final)(struct hash_desc *desc, u8 *out);
-	int (*digest)(struct hash_desc *desc, struct scatterlist *sg,
-		      unsigned int nbytes, u8 *out);
-	int (*setkey)(struct crypto_hash *tfm, const u8 *key,
-		      unsigned int keylen);
-
-	unsigned int digestsize;
-};
-
 struct compress_alg {
 	int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src,
 			    unsigned int slen, u8 *dst, unsigned int *dlen);
@@ -263,13 +257,21 @@ struct compress_alg {
 			      unsigned int slen, u8 *dst, unsigned int *dlen);
 };
 
+struct rng_alg {
+	int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata,
+			       unsigned int dlen);
+	int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
+
+	unsigned int seedsize;
+};
+
+
 #define cra_ablkcipher	cra_u.ablkcipher
 #define cra_aead	cra_u.aead
 #define cra_blkcipher	cra_u.blkcipher
 #define cra_cipher	cra_u.cipher
-#define cra_digest	cra_u.digest
-#define cra_hash	cra_u.hash
 #define cra_compress	cra_u.compress
+#define cra_rng		cra_u.rng
 
 struct crypto_alg {
 	struct list_head cra_list;
@@ -293,9 +295,8 @@ struct crypto_alg {
 		struct aead_alg aead;
 		struct blkcipher_alg blkcipher;
 		struct cipher_alg cipher;
-		struct digest_alg digest;
-		struct hash_alg hash;
 		struct compress_alg compress;
+		struct rng_alg rng;
 	} cra_u;
 
 	int (*cra_init)(struct crypto_tfm *tfm);
@@ -314,14 +315,7 @@ int crypto_unregister_alg(struct crypto_alg *alg);
 /*
  * Algorithm query interface.
  */
-#ifdef CONFIG_CRYPTO
 int crypto_has_alg(const char *name, u32 type, u32 mask);
-#else
-static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
-{
-	return 0;
-}
-#endif
 
 /*
  * Transforms: user-instantiated objects which encapsulate algorithms
@@ -348,6 +342,11 @@ struct aead_tfm {
 	              unsigned int keylen);
 	int (*encrypt)(struct aead_request *req);
 	int (*decrypt)(struct aead_request *req);
+	int (*givencrypt)(struct aead_givcrypt_request *req);
+	int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+	struct crypto_aead *base;
+
 	unsigned int ivsize;
 	unsigned int authsize;
 	unsigned int reqsize;
@@ -391,12 +390,19 @@ struct compress_tfm {
 	                      u8 *dst, unsigned int *dlen);
 };
 
+struct rng_tfm {
+	int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata,
+			      unsigned int dlen);
+	int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
+};
+
 #define crt_ablkcipher	crt_u.ablkcipher
 #define crt_aead	crt_u.aead
 #define crt_blkcipher	crt_u.blkcipher
 #define crt_cipher	crt_u.cipher
 #define crt_hash	crt_u.hash
 #define crt_compress	crt_u.compress
+#define crt_rng		crt_u.rng
 
 struct crypto_tfm {
 
@@ -409,7 +415,10 @@ struct crypto_tfm {
 		struct cipher_tfm cipher;
 		struct hash_tfm hash;
 		struct compress_tfm compress;
+		struct rng_tfm rng;
 	} crt_u;
+
+	void (*exit)(struct crypto_tfm *tfm);
 	
 	struct crypto_alg *__crt_alg;
 
@@ -440,6 +449,10 @@ struct crypto_hash {
 	struct crypto_tfm base;
 };
 
+struct crypto_rng {
+	struct crypto_tfm base;
+};
+
 enum {
 	CRYPTOA_UNSPEC,
 	CRYPTOA_ALG,
@@ -470,9 +483,15 @@ struct crypto_attr_u32 {
  * Transform user interface.
  */
  
-struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
 struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
-void crypto_free_tfm(struct crypto_tfm *tfm);
+void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm);
+
+static inline void crypto_free_tfm(struct crypto_tfm *tfm)
+{
+	return crypto_destroy_tfm(tfm, tfm);
+}
+
+int alg_test(const char *driver, const char *alg, u32 type, u32 mask);
 
 /*
  * Transform helpers which query the underlying algorithm.
@@ -561,13 +580,8 @@ static inline u32 crypto_skcipher_mask(u32 mask)
 	return mask;
 }
 
-static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher(
-	const char *alg_name, u32 type, u32 mask)
-{
-	return __crypto_ablkcipher_cast(
-		crypto_alloc_base(alg_name, crypto_skcipher_type(type),
-				  crypto_skcipher_mask(mask)));
-}
+struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name,
+						  u32 type, u32 mask);
 
 static inline struct crypto_tfm *crypto_ablkcipher_tfm(
 	struct crypto_ablkcipher *tfm)
@@ -690,7 +704,7 @@ static inline struct ablkcipher_request *ablkcipher_request_alloc(
 
 static inline void ablkcipher_request_free(struct ablkcipher_request *req)
 {
-	kfree(req);
+	kzfree(req);
 }
 
 static inline void ablkcipher_request_set_callback(
@@ -718,15 +732,7 @@ static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm)
 	return (struct crypto_aead *)tfm;
 }
 
-static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name,
-						    u32 type, u32 mask)
-{
-	type &= ~CRYPTO_ALG_TYPE_MASK;
-	type |= CRYPTO_ALG_TYPE_AEAD;
-	mask |= CRYPTO_ALG_TYPE_MASK;
-
-	return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask));
-}
+struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask);
 
 static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm)
 {
@@ -781,7 +787,9 @@ static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags)
 static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key,
 				     unsigned int keylen)
 {
-	return crypto_aead_crt(tfm)->setkey(tfm, key, keylen);
+	struct aead_tfm *crt = crypto_aead_crt(tfm);
+
+	return crt->setkey(crt->base, key, keylen);
 }
 
 int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize);
@@ -809,7 +817,7 @@ static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
 static inline void aead_request_set_tfm(struct aead_request *req,
 					struct crypto_aead *tfm)
 {
-	req->base.tfm = crypto_aead_tfm(tfm);
+	req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base);
 }
 
 static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,
@@ -827,7 +835,7 @@ static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,
 
 static inline void aead_request_free(struct aead_request *req)
 {
-	kfree(req);
+	kzfree(req);
 }
 
 static inline void aead_request_set_callback(struct aead_request *req,