diff options
Diffstat (limited to 'include/linux/sunrpc/gss_krb5.h')
| -rw-r--r-- | include/linux/sunrpc/gss_krb5.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h index 04addef79177..3e97d2a7c87d 100644 --- a/include/linux/sunrpc/gss_krb5.h +++ b/include/linux/sunrpc/gss_krb5.h @@ -42,10 +42,16 @@ #include <linux/sunrpc/gss_err.h> #include <linux/sunrpc/gss_asn1.h> +/* + * The RFCs often specify payload lengths in bits. This helper + * converts a specified bit-length to the number of octets/bytes. + */ +#define BITS2OCTETS(x) ((x) / 8) + /* Length of constant used in key derivation */ #define GSS_KRB5_K5CLENGTH (5) -/* Maximum key length (in bytes) for the supported crypto algorithms*/ +/* Maximum key length (in bytes) for the supported crypto algorithms */ #define GSS_KRB5_MAX_KEYLEN (32) /* Maximum checksum function output for the supported crypto algorithms */ @@ -68,7 +74,11 @@ struct gss_krb5_enctype { const u32 cksumlength; /* checksum length */ const u32 keyed_cksum; /* is it a keyed cksum? */ const u32 keybytes; /* raw key len, in bytes */ - const u32 keylength; /* final key len, in bytes */ + const u32 keylength; /* protocol key length, in octets */ + const u32 Kc_length; /* checksum subkey length, in octets */ + const u32 Ke_length; /* encryption subkey length, in octets */ + const u32 Ki_length; /* integrity subkey length, in octets */ + int (*import_ctx)(struct krb5_ctx *ctx, gfp_t gfp_mask); int (*derive_key)(const struct gss_krb5_enctype *gk5e, const struct xdr_netobj *in, |