afs: the AFS RPC op CBGetCapabilities is actually CBTellMeAboutYourself

[linux-2.6-omap-h63xx.git] / include / linux / crypto.h

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index ef7642ed3e4240572b2141cb95f43e5d14415cfb..425824bd49f308f64074943fd257bd69f512edce 100644 (file)
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -34,6 +34,7 @@
 #define CRYPTO_ALG_TYPE_HASH           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
 
@@ -51,6 +52,12 @@
  */
 #define CRYPTO_ALG_NEED_FALLBACK       0x00000100
 
+/*
+ * This bit is set for symmetric key ciphers that have already been wrapped
+ * with a generic IV generator to prevent them from being wrapped again.
+ */
+#define CRYPTO_ALG_GENIV               0x00000200
+
 /*
  * Transform masks and values (for crt_flags).
  */
@@ -83,13 +90,11 @@
 #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;
@@ -99,6 +104,8 @@ struct crypto_blkcipher;
 struct crypto_hash;
 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);
 
@@ -178,6 +185,10 @@ struct ablkcipher_alg {
                      unsigned int keylen);
        int (*encrypt)(struct ablkcipher_request *req);
        int (*decrypt)(struct ablkcipher_request *req);
+       int (*givencrypt)(struct skcipher_givcrypt_request *req);
+       int (*givdecrypt)(struct skcipher_givcrypt_request *req);
+
+       const char *geniv;
 
        unsigned int min_keysize;
        unsigned int max_keysize;
@@ -190,6 +201,10 @@ 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;
@@ -205,6 +220,8 @@ struct blkcipher_alg {
                       struct scatterlist *dst, struct scatterlist *src,
                       unsigned int nbytes);
 
+       const char *geniv;
+
        unsigned int min_keysize;
        unsigned int max_keysize;
        unsigned int ivsize;
@@ -300,14 +317,7 @@ 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
@@ -320,6 +330,11 @@ struct ablkcipher_tfm {
                      unsigned int keylen);
        int (*encrypt)(struct ablkcipher_request *req);
        int (*decrypt)(struct ablkcipher_request *req);
+       int (*givencrypt)(struct skcipher_givcrypt_request *req);
+       int (*givdecrypt)(struct skcipher_givcrypt_request *req);
+
+       struct crypto_ablkcipher *base;
+
        unsigned int ivsize;
        unsigned int reqsize;
 };
@@ -329,6 +344,11 @@ 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;
@@ -528,18 +548,23 @@ static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast(
        return (struct crypto_ablkcipher *)tfm;
 }
 
-static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher(
-       const char *alg_name, u32 type, u32 mask)
+static inline u32 crypto_skcipher_type(u32 type)
 {
-       type &= ~CRYPTO_ALG_TYPE_MASK;
-       mask &= ~CRYPTO_ALG_TYPE_MASK;
+       type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
        type |= CRYPTO_ALG_TYPE_BLKCIPHER;
-       mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
+       return type;
+}
 
-       return __crypto_ablkcipher_cast(
-               crypto_alloc_base(alg_name, type, mask));
+static inline u32 crypto_skcipher_mask(u32 mask)
+{
+       mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
+       mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
+       return 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)
 {
@@ -554,12 +579,8 @@ static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm)
 static inline int crypto_has_ablkcipher(const char *alg_name, u32 type,
                                        u32 mask)
 {
-       type &= ~CRYPTO_ALG_TYPE_MASK;
-       mask &= ~CRYPTO_ALG_TYPE_MASK;
-       type |= CRYPTO_ALG_TYPE_BLKCIPHER;
-       mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
-
-       return crypto_has_alg(alg_name, type, mask);
+       return crypto_has_alg(alg_name, crypto_skcipher_type(type),
+                             crypto_skcipher_mask(mask));
 }
 
 static inline struct ablkcipher_tfm *crypto_ablkcipher_crt(
@@ -606,7 +627,9 @@ static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm,
 static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
                                           const u8 *key, unsigned int keylen)
 {
-       return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen);
+       struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm);
+
+       return crt->setkey(crt->base, key, keylen);
 }
 
 static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm(
@@ -638,7 +661,7 @@ static inline unsigned int crypto_ablkcipher_reqsize(
 static inline void ablkcipher_request_set_tfm(
        struct ablkcipher_request *req, struct crypto_ablkcipher *tfm)
 {
-       req->base.tfm = crypto_ablkcipher_tfm(tfm);
+       req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base);
 }
 
 static inline struct ablkcipher_request *ablkcipher_request_cast(
@@ -691,15 +714,7 @@ 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)
 {
@@ -754,7 +769,9 @@ 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);
@@ -782,7 +799,7 @@ 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,