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author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-08-24 09:10:20 (GMT) |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2006-09-21 01:46:21 (GMT) |
commit | 35058687912aa2f0b4554383cc10be4e0683b9a4 (patch) | |
tree | 3e18d13aef6682553887076c1e9872e91e6fc5c4 /net/sunrpc/auth_gss | |
parent | dc64ddf4918f0da52df10d83c2a5941a547c2035 (diff) | |
download | linux-35058687912aa2f0b4554383cc10be4e0683b9a4.tar.xz |
[CRYPTO] users: Use crypto_hash interface instead of crypto_digest
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>
Diffstat (limited to 'net/sunrpc/auth_gss')
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_crypto.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index 57192df..e11a40b 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -34,6 +34,7 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ +#include <linux/err.h> #include <linux/types.h> #include <linux/mm.h> #include <linux/slab.h> @@ -199,11 +200,9 @@ out: static int checksummer(struct scatterlist *sg, void *data) { - struct crypto_tfm *tfm = (struct crypto_tfm *)data; + struct hash_desc *desc = data; - crypto_digest_update(tfm, sg, 1); - - return 0; + return crypto_hash_update(desc, sg, sg->length); } /* checksum the plaintext data and hdrlen bytes of the token header */ @@ -212,8 +211,9 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body, int body_offset, struct xdr_netobj *cksum) { char *cksumname; - struct crypto_tfm *tfm = NULL; /* XXX add to ctx? */ + struct hash_desc desc; /* XXX add to ctx? */ struct scatterlist sg[1]; + int err; switch (cksumtype) { case CKSUMTYPE_RSA_MD5: @@ -224,18 +224,28 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body, " unsupported checksum %d", cksumtype); return GSS_S_FAILURE; } - if (!(tfm = crypto_alloc_tfm(cksumname, CRYPTO_TFM_REQ_MAY_SLEEP))) + desc.tfm = crypto_alloc_hash(cksumname, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(desc.tfm)) return GSS_S_FAILURE; - cksum->len = crypto_tfm_alg_digestsize(tfm); + cksum->len = crypto_hash_digestsize(desc.tfm); + desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; - crypto_digest_init(tfm); + err = crypto_hash_init(&desc); + if (err) + goto out; sg_set_buf(sg, header, hdrlen); - crypto_digest_update(tfm, sg, 1); - process_xdr_buf(body, body_offset, body->len - body_offset, - checksummer, tfm); - crypto_digest_final(tfm, cksum->data); - crypto_free_tfm(tfm); - return 0; + err = crypto_hash_update(&desc, sg, hdrlen); + if (err) + goto out; + err = process_xdr_buf(body, body_offset, body->len - body_offset, + checksummer, &desc); + if (err) + goto out; + err = crypto_hash_final(&desc, cksum->data); + +out: + crypto_free_hash(desc.tfm); + return err ? GSS_S_FAILURE : 0; } EXPORT_SYMBOL(make_checksum); |