xnu-6153.11.26.tar.gz

[apple/xnu.git] / bsd / netinet6 / ah.h

diff --git a/bsd/netinet6/ah.h b/bsd/netinet6/ah.h
index 3e7f8dcf8dafccc3b2a02053a2283f6f4be477fc..149d8b9119b5514501cdf93d88308eb276789e3c 100644 (file)
--- a/bsd/netinet6/ah.h
+++ b/bsd/netinet6/ah.h
@@ -39,42 +39,42 @@
 #include <sys/appleapiopts.h>
 
 struct ah {
-       u_int8_t        ah_nxt;         /* Next Header */
-       u_int8_t        ah_len;         /* Length of data, in 32bit */
-       u_int16_t       ah_reserve;     /* Reserved for future use */
-       u_int32_t       ah_spi;         /* Security parameter index */
+       u_int8_t        ah_nxt;         /* Next Header */
+       u_int8_t        ah_len;         /* Length of data, in 32bit */
+       u_int16_t       ah_reserve;     /* Reserved for future use */
+       u_int32_t       ah_spi;         /* Security parameter index */
        /* variable size, 32bit bound*/ /* Authentication data */
 };
 
 struct newah {
-       u_int8_t        ah_nxt;         /* Next Header */
-       u_int8_t        ah_len;         /* Length of data + 1, in 32bit */
-       u_int16_t       ah_reserve;     /* Reserved for future use */
-       u_int32_t       ah_spi;         /* Security parameter index */
-       u_int32_t       ah_seq;         /* Sequence number field */
+       u_int8_t        ah_nxt;         /* Next Header */
+       u_int8_t        ah_len;         /* Length of data + 1, in 32bit */
+       u_int16_t       ah_reserve;     /* Reserved for future use */
+       u_int32_t       ah_spi;         /* Security parameter index */
+       u_int32_t       ah_seq;         /* Sequence number field */
        /* variable size, 32bit bound*/ /* Authentication data */
 };
 
-#ifdef KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
 struct secasvar;
 
 struct ah_algorithm_state {
        struct secasvar *sav;
-       void* foo;      /*per algorithm data - maybe*/
+       void* foo;      /*per algorithm data - maybe*/
 };
 
 struct ah_algorithm {
        int (*sumsiz)(struct secasvar *);
        int (*mature)(struct secasvar *);
-       int keymin;     /* in bits */
-       int keymax;     /* in bits */
+       int keymin;     /* in bits */
+       int keymax;     /* in bits */
        const char *name;
        int (*init)(struct ah_algorithm_state *, struct secasvar *);
        void (*update)(struct ah_algorithm_state *, caddr_t, size_t);
-       void (*result)(struct ah_algorithm_state *, caddr_t);
+       void (*result)(struct ah_algorithm_state *, caddr_t, size_t);
 };
 
-#define        AH_MAXSUMSIZE   16
+#define AH_MAXSUMSIZE   64 // sha2-512's output size
 
 extern const struct ah_algorithm *ah_algorithm_lookup(int);
 
@@ -83,9 +83,9 @@ extern int ah_hdrlen(struct secasvar *);
 
 extern size_t ah_hdrsiz(struct ipsecrequest *);
 extern void ah4_input(struct mbuf *, int);
-extern int ah4_output(struct mbuf *, struct ipsecrequest *);
+extern int ah4_output(struct mbuf *, struct secasvar *);
 extern int ah4_calccksum(struct mbuf *, caddr_t, size_t,
-       const struct ah_algorithm *, struct secasvar *);
-#endif KERNEL_PRIVATE
+    const struct ah_algorithm *, struct secasvar *);
+#endif /* BSD_KERNEL_PRIVATE */
 
-#endif _NETINET6_AH_H_
+#endif /* _NETINET6_AH_H_ */