1 files changed, 44 insertions, 4 deletions

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 425824bd49f3..c43dc47fdf75 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -30,15 +30,17 @@
  */
 #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            0x00000009
+#define CRYPTO_ALG_TYPE_AHASH           0x0000000a
 
 #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
@@ -102,6 +104,7 @@ struct crypto_async_request;
 struct crypto_aead;
 struct crypto_blkcipher;
 struct crypto_hash;
+struct crypto_ahash;
 struct crypto_tfm;
 struct crypto_type;
 struct aead_givcrypt_request;
@@ -131,6 +134,16 @@ struct ablkcipher_request {
         void *__ctx[] CRYPTO_MINALIGN_ATTR;
 };
 
+struct ahash_request {
+        struct crypto_async_request base;
+
+        unsigned int nbytes;
+        struct scatterlist *src;
+        u8                 *result;
+
+        void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
 /**
  *      struct aead_request - AEAD request
  *      @base: Common attributes for async crypto requests
@@ -195,6 +208,17 @@ struct ablkcipher_alg {
         unsigned int ivsize;
 };
 
+struct ahash_alg {
+        int (*init)(struct ahash_request *req);
+        int (*update)(struct ahash_request *req);
+        int (*final)(struct ahash_request *req);
+        int (*digest)(struct ahash_request *req);
+        int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
+                        unsigned int keylen);
+
+        unsigned int digestsize;
+};
+
 struct aead_alg {
         int (*setkey)(struct crypto_aead *tfm, const u8 *key,
                       unsigned int keylen);
@@ -272,6 +296,7 @@ struct compress_alg {
 #define cra_cipher      cra_u.cipher
 #define cra_digest      cra_u.digest
 #define cra_hash        cra_u.hash
+#define cra_ahash       cra_u.ahash
 #define cra_compress    cra_u.compress
 
 struct crypto_alg {
@@ -298,6 +323,7 @@ struct crypto_alg {
                 struct cipher_alg cipher;
                 struct digest_alg digest;
                 struct hash_alg hash;
+                struct ahash_alg ahash;
                 struct compress_alg compress;
         } cra_u;
 
@@ -383,6 +409,18 @@ struct hash_tfm {
         unsigned int digestsize;
 };
 
+struct ahash_tfm {
+        int (*init)(struct ahash_request *req);
+        int (*update)(struct ahash_request *req);
+        int (*final)(struct ahash_request *req);
+        int (*digest)(struct ahash_request *req);
+        int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
+                        unsigned int keylen);
+
+        unsigned int digestsize;
+        unsigned int reqsize;
+};
+
 struct compress_tfm {
         int (*cot_compress)(struct crypto_tfm *tfm,
                             const u8 *src, unsigned int slen,
@@ -397,6 +435,7 @@ struct compress_tfm {
 #define crt_blkcipher   crt_u.blkcipher
 #define crt_cipher      crt_u.cipher
 #define crt_hash        crt_u.hash
+#define crt_ahash       crt_u.ahash
 #define crt_compress    crt_u.compress
 
 struct crypto_tfm {
@@ -409,6 +448,7 @@ struct crypto_tfm {
                 struct blkcipher_tfm blkcipher;
                 struct cipher_tfm cipher;
                 struct hash_tfm hash;
+                struct ahash_tfm ahash;
                 struct compress_tfm compress;
         } crt_u;