LU-8602 gss: get rid of cfs_crypto_hash_desc

[fs/lustre-release.git] / lustre / ptlrpc / gss / gss_crypto.c

diff --git a/lustre/ptlrpc/gss/gss_crypto.c b/lustre/ptlrpc/gss/gss_crypto.c
index d97a2bf..4231a0a 100644 (file)
--- a/lustre/ptlrpc/gss/gss_crypto.c
+++ b/lustre/ptlrpc/gss/gss_crypto.c
@@ -55,7 +55,7 @@
 #include "gss_internal.h"
 #include "gss_crypto.h"
 
-int gss_keyblock_init(struct gss_keyblock *kb, char *alg_name,
+int gss_keyblock_init(struct gss_keyblock *kb, const char *alg_name,
                      const int alg_mode)
 {
        int rc;
@@ -270,48 +270,29 @@ out:
        return ret;
 }
 
-int gss_digest_hmac(struct crypto_ahash *tfm,
-                   rawobj_t *key,
-                   rawobj_t *hdr,
-                   int msgcnt, rawobj_t *msgs,
+int gss_digest_hash(struct ahash_request *req,
+                   rawobj_t *hdr, int msgcnt, rawobj_t *msgs,
                    int iovcnt, lnet_kiov_t *iovs,
                    rawobj_t *cksum)
 {
-       struct ahash_request *req;
        struct scatterlist sg[1];
        struct sg_table sgt;
+       int rc = 0;
        int i;
-       int rc;
-
-       rc = crypto_ahash_setkey(tfm, key->data, key->len);
-       if (rc)
-               return rc;
-
-       req = ahash_request_alloc(tfm, GFP_KERNEL);
-       if (!req) {
-               crypto_free_ahash(tfm);
-               return -ENOMEM;
-       }
-
-       rc = crypto_ahash_init(req);
-       if (rc)
-               return rc;
 
        for (i = 0; i < msgcnt; i++) {
                if (msgs[i].len == 0)
                        continue;
 
                rc = gss_setup_sgtable(&sgt, sg, msgs[i].data, msgs[i].len);
-               if (rc != 0)
-                       return rc;
-               ahash_request_set_crypt(req, sg, NULL, msgs[i].len);
                if (rc)
                        return rc;
+
+               ahash_request_set_crypt(req, sg, NULL, msgs[i].len);
                rc = crypto_ahash_update(req);
+               gss_teardown_sgtable(&sgt);
                if (rc)
                        return rc;
-
-               gss_teardown_sgtable(&sgt);
        }
 
        for (i = 0; i < iovcnt; i++) {
@@ -323,8 +304,6 @@ int gss_digest_hmac(struct crypto_ahash *tfm,
                            iovs[i].kiov_offset);
 
                ahash_request_set_crypt(req, sg, NULL, iovs[i].kiov_len);
-               if (rc)
-                       return rc;
                rc = crypto_ahash_update(req);
                if (rc)
                        return rc;
@@ -332,101 +311,17 @@ int gss_digest_hmac(struct crypto_ahash *tfm,
 
        if (hdr) {
                rc = gss_setup_sgtable(&sgt, sg, hdr, sizeof(*hdr));
-               if (rc != 0)
-                       return rc;
-
-               ahash_request_set_crypt(req, sg, NULL, sizeof(hdr->len));
                if (rc)
                        return rc;
-               rc = crypto_ahash_update(req);
-               if (rc)
-                       return rc;
-
-               gss_teardown_sgtable(&sgt);
-       }
-
-       return crypto_ahash_final(req);
-}
-
-int gss_digest_norm(struct crypto_ahash *tfm,
-                   struct gss_keyblock *kb,
-                   rawobj_t *hdr,
-                   int msgcnt, rawobj_t *msgs,
-                   int iovcnt, lnet_kiov_t *iovs,
-                   rawobj_t *cksum)
-{
-       struct ahash_request *req;
-       struct scatterlist sg[1];
-       struct sg_table sgt;
-       int                i;
-       int                rc;
-
-       LASSERT(kb->kb_tfm);
-
-       req = ahash_request_alloc(tfm, GFP_KERNEL);
-       if (!req) {
-               crypto_free_ahash(tfm);
-               return -ENOMEM;
-       }
-
-       rc = crypto_ahash_init(req);
-       if (rc)
-               return rc;
-
-       for (i = 0; i < msgcnt; i++) {
-               if (msgs[i].len == 0)
-                       continue;
-
-               rc = gss_setup_sgtable(&sgt, sg, msgs[i].data, msgs[i].len);
-               if (rc != 0)
-                       return rc;
 
-               ahash_request_set_crypt(req, sg, NULL, msgs[i].len);
-               if (rc)
-                       return rc;
+               ahash_request_set_crypt(req, sg, NULL, hdr->len);
                rc = crypto_ahash_update(req);
-               if (rc)
-                       return rc;
-
                gss_teardown_sgtable(&sgt);
-       }
-
-       for (i = 0; i < iovcnt; i++) {
-               if (iovs[i].kiov_len == 0)
-                       continue;
-
-               sg_init_table(sg, 1);
-               sg_set_page(&sg[0], iovs[i].kiov_page, iovs[i].kiov_len,
-                           iovs[i].kiov_offset);
-               ahash_request_set_crypt(req, sg, NULL, iovs[i].kiov_len);
-               if (rc)
-                       return rc;
-               rc = crypto_ahash_update(req);
                if (rc)
                        return rc;
        }
 
-       if (hdr) {
-               rc = gss_setup_sgtable(&sgt, sg, hdr, sizeof(*hdr));
-               if (rc != 0)
-                       return rc;
-
-               ahash_request_set_crypt(req, sg, NULL, sizeof(*hdr));
-               if (rc)
-                       return rc;
-               rc = crypto_ahash_update(req);
-               if (rc)
-                       return rc;
-
-               gss_teardown_sgtable(&sgt);
-       }
-
-       rc = crypto_ahash_final(req);
-       if (rc)
-               return rc;
-
-       return gss_crypt_generic(kb->kb_tfm, 0, NULL, cksum->data,
-                                cksum->data, cksum->len);
+       return rc;
 }
 
 int gss_add_padding(rawobj_t *msg, int msg_buflen, int blocksize)