* hbytes raw2h BINARY => hex
* hbytes h2raw HEX => binary
*
+ * hbytes length VALUE => count
* hbytes prepend VAR [VALUE ...] = set VAR [concat VALUE ... $VAR]
* hbytes append VAR [VALUE ...] = set VAR [concat $VAR VALUE ...]
* hbytes concat VAR [VALUE ...] = set VAR [concat VALUE ...]
*
* hbytes pkcs5 pa|ua VAR ALG => worked? (always 1 for p)
* hbytes pkcs5 pn|un VAR BLOCKSIZE => worked? (always 1 for p)
- * hbytes blockcipher d|e VAR ALG MODE [IV] => IV
+ * hbytes blockcipher d|e VAR ALG KEY MODE [IV] => IV
*
* hbytes hash ALG MESSAGE => hash
* hbytes hmac ALG MESSAGE KEY [MACLENGTH] => mac
#include <assert.h>
#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <arpa/inet.h>
#include <tcl.h>
/* from hbytes.c */
+int Hbytes_Init(Tcl_Interp *ip); /* called by Tcl's "load" */
+
/* Internal representation details: */
#define HBYTES_ISEMPTY(hb) (!(hb)->begin_complex && !(hb)->end_0)
#define HBYTES_ISSENTINEL(hb) (!(hb)->begin_complex && (hb)->end_0)
void hbytes_sentinel(HBytes_Value *returns);
void hbytes_array(HBytes_Value *returns, const Byte *array, int l);
Byte *hbytes_arrayspace(HBytes_Value *returns, int l);
-void hbytes_free(HBytes_Value *frees);
+void hbytes_free(const HBytes_Value *frees);
/* _empty, _sentinel and _array do not free or read the old value;
* _free it first if needed. _free leaves it garbage, so you
* have to call _empty to reuse it. _arrayspace doesn't fill
/* The value made by hbytes_sentinel should not be passed to
* anything except HBYTES_IS..., and hbytes_free. */
+/* from sockaddr.c */
+
+typedef struct {
+ Byte *begin, *end;
+} SockAddr_Value;
+
+extern Tcl_ObjType sockaddr_type;
+
+void sockaddr_clear(SockAddr_Value*);
+void sockaddr_create(SockAddr_Value*, const struct sockaddr *addr, int len);
+int sockaddr_len(const SockAddr_Value*);
+const struct sockaddr *sockaddr_addr(const SockAddr_Value*);
+void sockaddr_free(const SockAddr_Value*);
+
+/* from dgram.c */
+
+extern Tcl_ObjType sockid_type;
+
/* from hook.c */
int staticerr(Tcl_Interp *ip, const char *m);
+int posixerr(Tcl_Interp *ip, int errnoval, const char *m);
void objfreeir(Tcl_Obj *o);
+int get_urandom(Tcl_Interp *ip, Byte *buffer, int l);
+
+void obj_updatestr_array(Tcl_Obj *o, const Byte *array, int l);
+void obj_updatestr_array_prefix(Tcl_Obj *o, const Byte *byte,
+ int l, const char *prefix);
/* from parse.c */
const char *what);
#define enum_lookup_cached(ip,o,table,what) \
(enum_lookup_cached_func((ip),(o), \
- sizeof((table)[0]),&(table)[0], \
+ &(table)[0],sizeof((table)[0]), \
(what)))
/* table should be a pointer to an array of structs of size
* entrysize, the first member of which should be a const char*.
/* from crypto.c */
+void memxor(Byte *dest, const Byte *src, int l);
+
+typedef struct {
+ const char *name;
+ int pad, use_algname;
+} PadMethod;
+
+Tcl_ObjType blockcipherkey_type;
+
+/* from algtables.c */
+
typedef struct {
- int blocksize, hashsize;
+ const char *name;
+ int hashsize, blocksize, statesize;
+ void (*init)(void *state);
+ void (*update)(void *state, const Byte *data, int len);
+ void (*final)(void *state, Byte *digest);
+ void (*oneshot)(Byte *digest, const Byte *data, int len);
} HashAlgInfo;
+extern const HashAlgInfo hashalginfos[];
+
+typedef struct {
+ void (*make_schedule)(void *schedule, const Byte *key, int keylen);
+ void (*crypt)(const void *schedule, const void *in, void *out);
+ /* in and out may be the same, but if they aren't they may not overlap */
+ /* in and out for crypt will have been through block_byteswap */
+} BlockCipherDirectionInfo;
+
typedef struct {
- int blocksize;
+ const char *name;
+ int blocksize, schedule_size, key_min, key_max;
+ void (*byteswap)(Byte *block);
+ BlockCipherDirectionInfo encrypt, decrypt;
} BlockCipherAlgInfo;
+extern const BlockCipherAlgInfo blockcipheralginfos[];
+
+/* from bcmode.c */
+
typedef struct {
- int dummy;
+ const char *name;
+ int iv_blocks, buf_blocks;
+ const char *(*encrypt)(Byte *data, int blocks,
+ const Byte *iv, Byte *buf,
+ const BlockCipherAlgInfo *alg, int encr,
+ int blocksize, const void *sch);
+ const char *(*decrypt)(Byte *data, int blocks,
+ const Byte *iv, Byte *buf,
+ const BlockCipherAlgInfo *alg, int encr,
+ int blocksize, const void *sch);
+ /* in each case, *iv is provided, but may be modified */
} BlockCipherModeInfo;
+extern const BlockCipherModeInfo blockciphermodeinfos[];
+
+/* from misc.c */
+
+int setnonblock(int fd, int isnonblock);
+
/* useful macros */
#define OBJ_HBYTES(o) ((HBytes_Value*)&(o)->internalRep.twoPtrValue)
+#define OBJ_SOCKADDR(o) ((SockAddr_Value*)&(o)->internalRep.twoPtrValue)
#define TALLOC(s) ((void*)Tcl_Alloc((s)))
#define TFREE(f) (Tcl_Free((void*)(f)))