gss_krb5: add support for new token formats in rfc4121
This is a step toward support for AES encryption types which are
required to use the new token formats defined in rfc4121.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
[SteveD: Fixed a typo in gss_verify_mic_v2()]
Signed-off-by: Steve Dickson <steved@redhat.com>
[Trond: Got rid of the TEST_ROTATE/TEST_EXTRA_COUNT crap]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index db0522b..0085a30 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -53,6 +53,8 @@
/* Maximum blocksize for the supported crypto algorithms */
#define GSS_KRB5_MAX_BLOCKSIZE (16)
+struct krb5_ctx;
+
struct gss_krb5_enctype {
const u32 etype; /* encryption (key) type */
const u32 ctype; /* checksum type */
@@ -75,6 +77,12 @@
u32 (*mk_key) (const struct gss_krb5_enctype *gk5e,
struct xdr_netobj *in,
struct xdr_netobj *out); /* complete key generation */
+ u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, int ec,
+ struct page **pages); /* v2 encryption function */
+ u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, u32 *headskip,
+ u32 *tailskip); /* v2 decryption function */
};
/* krb5_ctx flags definitions */
@@ -112,6 +120,18 @@
#define KG_TOK_MIC_MSG 0x0101
#define KG_TOK_WRAP_MSG 0x0201
+#define KG2_TOK_INITIAL 0x0101
+#define KG2_TOK_RESPONSE 0x0202
+#define KG2_TOK_MIC 0x0404
+#define KG2_TOK_WRAP 0x0504
+
+#define KG2_TOKEN_FLAG_SENTBYACCEPTOR 0x01
+#define KG2_TOKEN_FLAG_SEALED 0x02
+#define KG2_TOKEN_FLAG_ACCEPTORSUBKEY 0x04
+
+#define KG2_RESP_FLAG_ERROR 0x0001
+#define KG2_RESP_FLAG_DELEG_OK 0x0002
+
enum sgn_alg {
SGN_ALG_DES_MAC_MD5 = 0x0000,
SGN_ALG_MD2_5 = 0x0001,
@@ -136,6 +156,9 @@
#define CKSUMTYPE_RSA_MD5_DES 0x0008
#define CKSUMTYPE_NIST_SHA 0x0009
#define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
+#define CKSUMTYPE_HMAC_SHA1_96_AES128 0x000f
+#define CKSUMTYPE_HMAC_SHA1_96_AES256 0x0010
+#define CKSUMTYPE_HMAC_MD5_ARCFOUR -138 /* Microsoft md5 hmac cksumtype */
/* from gssapi_err_krb5.h */
#define KG_CCACHE_NOMATCH (39756032L)
@@ -212,6 +235,11 @@
struct xdr_buf *body, int body_offset, u8 *cksumkey,
struct xdr_netobj *cksumout);
+u32
+make_checksum_v2(struct krb5_ctx *, char *header, int hdrlen,
+ struct xdr_buf *body, int body_offset, u8 *key,
+ struct xdr_netobj *cksum);
+
u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
struct xdr_netobj *);