+++ /dev/null
-/* -*-c-*-
- *
- * $Id$
- *
- * Generic hash function interface
- *
- * (c) 1999 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Catacomb.
- *
- * Catacomb is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * Catacomb is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with Catacomb; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#ifndef CATACOMB_GHASH_H
-#define CATACOMB_GHASH_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/*----- Header files ------------------------------------------------------*/
-
-#include <stddef.h>
-
-#include <mLib/bits.h>
-
-/*----- Generic hash function interface -----------------------------------*/
-
-typedef struct ghash {
- const struct ghash_ops *ops; /* Pointer to hash operations */
-} ghash;
-
-typedef struct ghash_ops {
- const struct gchash *c; /* Pointer to hash class */
- void (*hash)(ghash */*h*/, const void */*p*/, size_t /*sz*/); /* Hash */
- octet *(*done)(ghash */*h*/, void */*buf*/); /* Write result */
- void (*destroy)(ghash */*h*/); /* Destroy hash block */
- ghash *(*copy)(ghash */*h*/); /* Make a copy of the hash context */
-} ghash_ops;
-
-#define GH_INIT(ch) (ch)->init()
-#define GH_CLASS(h) (h)->ops->c
-#define GH_HASH(h, p, sz) (h)->ops->hash((h), (p), (sz))
-#define GH_DONE(h, buf) (h)->ops->done((h), (buf))
-#define GH_DESTROY(h) (h)->ops->destroy((h))
-#define GH_COPY(h) (h)->ops->copy((h))
-
-#define GH_HASHU_(h, n, W) do { \
- TY_U##W n_ = (n); octet b_[SZ_##W]; \
- STORE##W(b_, n_); GH_HASH((h), b_, SZ_##W); \
-} while (0)
-#define GH_HASHU8(h, n) GH_HASHU_((h), (n), 8)
-#define GH_HASHU16(h, n) GH_HASHU_((h), (n), 16)
-#define GH_HASHU16_B(h, n) GH_HASHU_((h), (n), 16_B)
-#define GH_HASHU16_L(h, n) GH_HASHU_((h), (n), 16_L)
-#define GH_HASHU24(h, n) GH_HASHU_((h), (n), 24)
-#define GH_HASHU24_B(h, n) GH_HASHU_((h), (n), 24_B)
-#define GH_HASHU24_L(h, n) GH_HASHU_((h), (n), 24_L)
-#define GH_HASHU32(h, n) GH_HASHU_((h), (n), 32)
-#define GH_HASHU32_B(h, n) GH_HASHU_((h), (n), 32_B)
-#define GH_HASHU32_L(h, n) GH_HASHU_((h), (n), 32_L)
-#ifdef HAVE_UINT64
-# define GH_HASHU64(h, n) GH_HASHU_((h), (n), 64)
-# define GH_HASHU64_B(h, n) GH_HASHU_((h), (n), 64_B)
-# define GH_HASHU64_L(h, n) GH_HASHU_((h), (n), 64_L)
-#endif
-
-#define GH_HASHBUF_(h, p, sz, W) do { \
- size_t sz_ = (sz); assert(sz_ <= MASK##W); \
- GH_HASHU_(h, sz_, W); GH_HASH(h, (p), sz_); \
-} while (0)
-#define GH_HASHBUF8(h, p, sz) GH_HASHBUF_((h), (p), (sz), 8)
-#define GH_HASHBUF16(h, p, sz) GH_HASHBUF_((h), (p), (sz), 16)
-#define GH_HASHBUF16_L(h, p, sz) GH_HASHBUF_((h), (p), (sz), 16_L)
-#define GH_HASHBUF16_B(h, p, sz) GH_HASHBUF_((h), (p), (sz), 16_B)
-#define GH_HASHBUF24(h, p, sz) GH_HASHBUF_((h), (p), (sz), 24)
-#define GH_HASHBUF24_L(h, p, sz) GH_HASHBUF_((h), (p), (sz), 24_L)
-#define GH_HASHBUF24_B(h, p, sz) GH_HASHBUF_((h), (p), (sz), 24_B)
-#define GH_HASHBUF32(h, p, sz) GH_HASHBUF_((h), (p), (sz), 32)
-#define GH_HASHBUF32_L(h, p, sz) GH_HASHBUF_((h), (p), (sz), 32_L)
-#define GH_HASHBUF32_B(h, p, sz) GH_HASHBUF_((h), (p), (sz), 32_B)
-#ifdef HAVE_UINT64
-# define GH_HASHBUF64(h, p, sz) GH_HASHBUF_((h), (p), (sz), 64)
-# define GH_HASHBUF64_L(h, p, sz) GH_HASHBUF_((h), (p), (sz), 64_L)
-# define GH_HASHBUF64_B(h, p, sz) GH_HASHBUF_((h), (p), (sz), 64_B)
-#endif
-
-#define GH_HASHSTR_(h, p, W) do { \
- const char *p_ = (p); GH_HASHBUF_((h), p_, strlen(p_), W); \
-} while (0)
-#define GH_HASHSTR8(h, p) GH_HASHSTR_((h), (p), 8)
-#define GH_HASHSTR16(h, p) GH_HASHSTR_((h), (p), 16)
-#define GH_HASHSTR16_L(h, p) GH_HASHSTR_((h), (p), 16_L)
-#define GH_HASHSTR16_B(h, p) GH_HASHSTR_((h), (p), 16_B)
-#define GH_HASHSTR24(h, p) GH_HASHSTR_((h), (p), 24)
-#define GH_HASHSTR24_L(h, p) GH_HASHSTR_((h), (p), 24_L)
-#define GH_HASHSTR24_B(h, p) GH_HASHSTR_((h), (p), 24_B)
-#define GH_HASHSTR32(h, p) GH_HASHSTR_((h), (p), 32)
-#define GH_HASHSTR32_L(h, p) GH_HASHSTR_((h), (p), 32_L)
-#define GH_HASHSTR32_B(h, p) GH_HASHSTR_((h), (p), 32_B)
-#ifdef HAVE_UINT64
-# define GH_HASHSTR64(h, p) GH_HASHSTR_((h), (p), 64)
-# define GH_HASHSTR64_L(h, p) GH_HASHSTR_((h), (p), 64_L)
-# define GH_HASHSTR64_B(h, p) GH_HASHSTR_((h), (p), 64_B)
-#endif
-
-#define GH_HASHSTRZ(h, p) do { \
- const char *p_ = (p); GH_HASH((h), p_, strlen(p_) + 1); \
-} while (0)
-#define GH_HASHSTR(h, p) do { \
- const char *p_ = (p); GH_HASH((h), p_, strlen(p_)); \
-} while (0)
-
-typedef struct gchash {
- const char *name; /* Name of the hash function */
- size_t hashsz; /* Size of output hash */
- ghash *(*init)(void); /* Create a new hash instance */
- size_t bufsz; /* Buffer size, or zero */
-} gchash;
-
-/*----- Tables ------------------------------------------------------------*/
-
-extern const gchash *const ghashtab[];
-
-/* --- @ghash_byname@ --- *
- *
- * Arguments: @const char *p@ = pointer to name string
- *
- * Returns: The named cipher class, or null.
- */
-
-extern const gchash *ghash_byname(const char */*p*/);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif
projects / u / mdw / catacomb / blobdiff