2 files changed, 69 insertions, 36 deletions

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index f3110ebe894a..5e02d1b46370 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -33,10 +33,13 @@
 #define CRYPTO_ALG_TYPE_DIGEST          0x00000002
 #define CRYPTO_ALG_TYPE_HASH            0x00000003
 #define CRYPTO_ALG_TYPE_BLKCIPHER       0x00000004
-#define CRYPTO_ALG_TYPE_COMPRESS        0x00000005
-#define CRYPTO_ALG_TYPE_AEAD            0x00000006
+#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_HASH_MASK       0x0000000e
+#define CRYPTO_ALG_TYPE_BLKCIPHER_MASK  0x0000000c
 
 #define CRYPTO_ALG_LARVAL               0x00000010
 #define CRYPTO_ALG_DEAD                 0x00000020
@@ -50,6 +53,12 @@
 #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).
  */
 #define CRYPTO_TFM_REQ_MASK             0x000fff00
@@ -81,13 +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;
@@ -97,6 +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);
 
@@ -176,6 +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;
@@ -185,11 +198,16 @@ struct ablkcipher_alg {
 struct aead_alg {
         int (*setkey)(struct crypto_aead *tfm, const u8 *key,
                       unsigned int keylen);
+        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 authsize;
+        unsigned int maxauthsize;
 };
 
 struct blkcipher_alg {
@@ -202,6 +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;
@@ -317,6 +337,11 @@ 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;
 };
@@ -326,6 +351,11 @@ 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;
@@ -525,17 +555,23 @@ 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;
+        type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
         type |= CRYPTO_ALG_TYPE_BLKCIPHER;
-        mask |= CRYPTO_ALG_TYPE_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)
 {
@@ -550,11 +586,8 @@ 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;
-        type |= CRYPTO_ALG_TYPE_BLKCIPHER;
-        mask |= CRYPTO_ALG_TYPE_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(
@@ -601,7 +634,9 @@ 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(
@@ -633,7 +668,7 @@ 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(
@@ -686,15 +721,7 @@ 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)
 {
@@ -749,9 +776,13 @@ 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);
+
 static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req)
 {
         return __crypto_aead_cast(req->base.tfm);
@@ -775,7 +806,7 @@ 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,
@@ -841,9 +872,9 @@ static inline struct crypto_blkcipher *crypto_blkcipher_cast(
 static inline struct crypto_blkcipher *crypto_alloc_blkcipher(
         const char *alg_name, u32 type, u32 mask)
 {
-        type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+        type &= ~CRYPTO_ALG_TYPE_MASK;
         type |= CRYPTO_ALG_TYPE_BLKCIPHER;
-        mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
+        mask |= CRYPTO_ALG_TYPE_MASK;
 
         return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask));
 }
@@ -861,9 +892,9 @@ static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm)
 
 static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask)
 {
-        type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+        type &= ~CRYPTO_ALG_TYPE_MASK;
         type |= CRYPTO_ALG_TYPE_BLKCIPHER;
-        mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
+        mask |= CRYPTO_ALG_TYPE_MASK;
 
         return crypto_has_alg(alg_name, type, mask);
 }
@@ -1081,6 +1112,7 @@ static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name,
                                                     u32 type, u32 mask)
 {
         type &= ~CRYPTO_ALG_TYPE_MASK;
+        mask &= ~CRYPTO_ALG_TYPE_MASK;
         type |= CRYPTO_ALG_TYPE_HASH;
         mask |= CRYPTO_ALG_TYPE_HASH_MASK;
 
@@ -1100,6 +1132,7 @@ static inline void crypto_free_hash(struct crypto_hash *tfm)
 static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
 {
         type &= ~CRYPTO_ALG_TYPE_MASK;
+        mask &= ~CRYPTO_ALG_TYPE_MASK;
         type |= CRYPTO_ALG_TYPE_HASH;
         mask |= CRYPTO_ALG_TYPE_HASH_MASK;
 
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 21ea7610e177..85d11916e9ea 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -33,7 +33,7 @@ struct hwrng {
         const char *name;
         int (*init)(struct hwrng *rng);
         void (*cleanup)(struct hwrng *rng);
-        int (*data_present)(struct hwrng *rng);
+        int (*data_present)(struct hwrng *rng, int wait);
         int (*data_read)(struct hwrng *rng, u32 *data);
         unsigned long priv;