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[CRYPTO] users: Use crypto_hash interface instead of crypto_digest

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This patch converts all remaining crypto_digest users to use the new
crypto_hash interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2006-08-24 19:10:20 +10:00
parent dc64ddf491
commit 3505868791
6 changed files with 97 additions and 69 deletions
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21
fs/nfsd/nfs4recover.c
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@@ -33,7 +33,7 @@
*
*/
#include <linux/err.h>
#include <linux/sunrpc/svc.h>
#include <linux/nfsd/nfsd.h>
#include <linux/nfs4.h>
@@ -87,34 +87,35 @@ int
nfs4_make_rec_clidname(char *dname, struct xdr_netobj *clname)
{
struct xdr_netobj cksum;
struct crypto_tfm *tfm;
struct hash_desc desc;
struct scatterlist sg[1];
int status = nfserr_resource;
dprintk("NFSD: nfs4_make_rec_clidname for %.*s\n",
clname->len, clname->data);
tfm = crypto_alloc_tfm("md5", CRYPTO_TFM_REQ_MAY_SLEEP);
if (tfm == NULL)
goto out;
cksum.len = crypto_tfm_alg_digestsize(tfm);
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
desc.tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(desc.tfm))
goto out_no_tfm;
cksum.len = crypto_hash_digestsize(desc.tfm);
cksum.data = kmalloc(cksum.len, GFP_KERNEL);
if (cksum.data == NULL)
goto out;
crypto_digest_init(tfm);
sg[0].page = virt_to_page(clname->data);
sg[0].offset = offset_in_page(clname->data);
sg[0].length = clname->len;
crypto_digest_update(tfm, sg, 1);
crypto_digest_final(tfm, cksum.data);
if (crypto_hash_digest(&desc, sg, sg->length, cksum.data))
goto out;
md5_to_hex(dname, cksum.data);
kfree(cksum.data);
status = nfs_ok;
out:
crypto_free_tfm(tfm);
crypto_free_hash(desc.tfm);
out_no_tfm:
return status;
}