crypto: hash - Remove legacy hash/digest implementaion

This patch removes the implementation of hash and digest now that
no algorithms use them anymore.  The interface though will remain
until the users are converted across.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

3 files changed, 3 insertions, 34 deletions

diff --git a/crypto/Makefile b/crypto/Makefile
index 673d9f7c1bda..3c961b4d8046 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-$(CONFIG_CRYPTO) += crypto.o
-crypto-objs := api.o cipher.o digest.o compress.o
+crypto-objs := api.o cipher.o compress.o
 
 obj-$(CONFIG_CRYPTO_WORKQUEUE) += crypto_wq.o
 
@@ -22,7 +22,6 @@ obj-$(CONFIG_CRYPTO_BLKCIPHER2) += chainiv.o
 obj-$(CONFIG_CRYPTO_BLKCIPHER2) += eseqiv.o
 obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
 
-crypto_hash-objs := hash.o
 crypto_hash-objs += ahash.o
 crypto_hash-objs += shash.o
 obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o
diff --git a/crypto/api.c b/crypto/api.c
index ba81221b3bef..c8ac18f7ac1e 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -285,13 +285,6 @@ static int crypto_init_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
         switch (crypto_tfm_alg_type(tfm)) {
         case CRYPTO_ALG_TYPE_CIPHER:
                 return crypto_init_cipher_ops(tfm);
-                
-        case CRYPTO_ALG_TYPE_DIGEST:
-                if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) !=
-                    CRYPTO_ALG_TYPE_HASH_MASK)
-                        return crypto_init_digest_ops_async(tfm);
-                else
-                        return crypto_init_digest_ops(tfm);
 
         case CRYPTO_ALG_TYPE_COMPRESS:
                 return crypto_init_compress_ops(tfm);
@@ -318,11 +311,7 @@ static void crypto_exit_ops(struct crypto_tfm *tfm)
         case CRYPTO_ALG_TYPE_CIPHER:
                 crypto_exit_cipher_ops(tfm);
                 break;
-                
-        case CRYPTO_ALG_TYPE_DIGEST:
-                crypto_exit_digest_ops(tfm);
-                break;
-                
+
         case CRYPTO_ALG_TYPE_COMPRESS:
                 crypto_exit_compress_ops(tfm);
                 break;
@@ -349,11 +338,7 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, u32 type, u32 mask)
         case CRYPTO_ALG_TYPE_CIPHER:
                 len += crypto_cipher_ctxsize(alg);
                 break;
-                
-        case CRYPTO_ALG_TYPE_DIGEST:
-                len += crypto_digest_ctxsize(alg);
-                break;
-                
+
         case CRYPTO_ALG_TYPE_COMPRESS:
                 len += crypto_compress_ctxsize(alg);
                 break;
diff --git a/crypto/internal.h b/crypto/internal.h
index 7efa4d0533ff..030e22921c30 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -60,18 +60,6 @@ static inline void crypto_exit_proc(void)
 { }
 #endif
 
-static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg)
-{
-        unsigned int len = alg->cra_ctxsize;
-
-        if (alg->cra_alignmask) {
-                len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
-                len += alg->cra_digest.dia_digestsize;
-        }
-
-        return len;
-}
-
 static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
 {
         return alg->cra_ctxsize;
@@ -86,12 +74,9 @@ struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
 struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask);
 struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
 
-int crypto_init_digest_ops(struct crypto_tfm *tfm);
-int crypto_init_digest_ops_async(struct crypto_tfm *tfm);
 int crypto_init_cipher_ops(struct crypto_tfm *tfm);
 int crypto_init_compress_ops(struct crypto_tfm *tfm);
 
-void crypto_exit_digest_ops(struct crypto_tfm *tfm);
 void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
 void crypto_exit_compress_ops(struct crypto_tfm *tfm);