mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-23 13:30:39 +02:00
178 lines
5.5 KiB
C
178 lines
5.5 KiB
C
/*
|
|
* px.h
|
|
* Header file for pgcrypto.
|
|
*
|
|
* Copyright (c) 2001 Marko Kreen
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id: px.h,v 1.1 2001/08/21 01:32:01 momjian Exp $
|
|
*/
|
|
|
|
#ifndef __PX_H
|
|
#define __PX_H
|
|
|
|
#if 1
|
|
|
|
#define px_alloc(s) palloc(s)
|
|
#define px_realloc(p, s) prealloc(p, s)
|
|
#define px_free(p) pfree(p)
|
|
|
|
#else
|
|
|
|
void *xalloc(size_t s);
|
|
void *xrealloc(void *p, size_t s);
|
|
void xfree(void *p);
|
|
|
|
#define px_alloc(s) xalloc(s)
|
|
#define px_realloc(p, s) xrealloc(p, s)
|
|
#define px_free(p) xfree(p)
|
|
|
|
#endif
|
|
|
|
/* max len of 'type' parms */
|
|
#define PX_MAX_NAMELEN 128
|
|
|
|
/* max salt returned */
|
|
#define PX_MAX_SALT_LEN 128
|
|
|
|
|
|
typedef struct px_digest PX_MD;
|
|
typedef struct px_alias PX_Alias;
|
|
typedef struct px_hmac PX_HMAC;
|
|
typedef struct px_cipher PX_Cipher;
|
|
typedef struct px_combo PX_Combo;
|
|
|
|
struct px_digest {
|
|
uint (*result_size)(PX_MD *h);
|
|
uint (*block_size)(PX_MD *h);
|
|
void (*reset)(PX_MD *h);
|
|
void (*update)(PX_MD *h, const uint8 *data, uint dlen);
|
|
void (*finish)(PX_MD *h, uint8 *dst);
|
|
void (*free)(PX_MD *h);
|
|
/* private */
|
|
union {
|
|
uint code;
|
|
const void *ptr;
|
|
} p;
|
|
};
|
|
|
|
struct px_alias {
|
|
char *alias;
|
|
char *name;
|
|
};
|
|
|
|
struct px_hmac {
|
|
uint (*result_size)(PX_HMAC *h);
|
|
uint (*block_size)(PX_HMAC *h);
|
|
void (*reset)(PX_HMAC *h);
|
|
void (*update)(PX_HMAC *h, const uint8 *data, uint dlen);
|
|
void (*finish)(PX_HMAC *h, uint8 *dst);
|
|
void (*free)(PX_HMAC *h);
|
|
void (*init)(PX_HMAC *h, const uint8 *key, uint klen);
|
|
|
|
PX_MD *md;
|
|
/* private */
|
|
struct {
|
|
uint8 *ipad;
|
|
uint8 *opad;
|
|
} p;
|
|
};
|
|
|
|
struct px_cipher {
|
|
uint (*block_size)(PX_Cipher *c);
|
|
uint (*key_size)(PX_Cipher *c); /* max key len */
|
|
uint (*iv_size)(PX_Cipher *c);
|
|
|
|
int (*init)(PX_Cipher *c, const uint8 *key, uint klen, const uint8 *iv);
|
|
int (*encrypt)(PX_Cipher *c, const uint8 *data, uint dlen, uint8 *res);
|
|
int (*decrypt)(PX_Cipher *c, const uint8 *data, uint dlen, uint8 *res);
|
|
void (*free)(PX_Cipher *c);
|
|
/* private */
|
|
void *ptr;
|
|
int pstat; /* mcrypt uses it */
|
|
};
|
|
|
|
struct px_combo {
|
|
int (*init)(PX_Combo *cx, const uint8 *key, uint klen,
|
|
const uint8 *iv, uint ivlen);
|
|
int (*encrypt)(PX_Combo *cx, const uint8 *data, uint dlen,
|
|
uint8 *res, uint *rlen);
|
|
int (*decrypt)(PX_Combo *cx, const uint8 *data, uint dlen,
|
|
uint8 *res, uint *rlen);
|
|
uint (*encrypt_len)(PX_Combo *cx, uint dlen);
|
|
uint (*decrypt_len)(PX_Combo *cx, uint dlen);
|
|
void (*free)(PX_Combo *cx);
|
|
|
|
PX_Cipher *cipher;
|
|
uint padding;
|
|
};
|
|
|
|
int px_find_digest(const char *name, PX_MD **res);
|
|
int px_find_hmac(const char *name, PX_HMAC **res);
|
|
int px_find_cipher(const char *name, PX_Cipher **res);
|
|
int px_find_combo(const char *name, PX_Combo **res);
|
|
|
|
const char *px_resolve_alias(const PX_Alias *aliases, const char *name);
|
|
|
|
#define px_md_result_size(md) (md)->result_size(md)
|
|
#define px_md_block_size(md) (md)->block_size(md)
|
|
#define px_md_reset(md) (md)->reset(md)
|
|
#define px_md_update(md, data, dlen) (md)->update(md, data, dlen)
|
|
#define px_md_finish(md, buf) (md)->finish(md, buf)
|
|
#define px_md_free(md) (md)->free(md)
|
|
|
|
#define px_hmac_result_size(hmac) (hmac)->result_size(hmac)
|
|
#define px_hmac_block_size(hmac) (hmac)->block_size(hmac)
|
|
#define px_hmac_reset(hmac) (hmac)->reset(hmac)
|
|
#define px_hmac_init(hmac, key, klen) (hmac)->init(hmac, key, klen)
|
|
#define px_hmac_update(hmac, data, dlen) (hmac)->update(hmac, data, dlen)
|
|
#define px_hmac_finish(hmac, buf) (hmac)->finish(hmac, buf)
|
|
#define px_hmac_free(hmac) (hmac)->free(hmac)
|
|
|
|
|
|
#define px_cipher_key_size(c) (c)->key_size(c)
|
|
#define px_cipher_block_size(c) (c)->block_size(c)
|
|
#define px_cipher_iv_size(c) (c)->iv_size(c)
|
|
#define px_cipher_init(c, k, klen, iv) (c)->init(c, k, klen, iv)
|
|
#define px_cipher_encrypt(c, data, dlen, res) \
|
|
(c)->encrypt(c, data, dlen, res)
|
|
#define px_cipher_decrypt(c, data, dlen, res) \
|
|
(c)->decrypt(c, data, dlen, res)
|
|
#define px_cipher_free(c) (c)->free(c)
|
|
|
|
|
|
#define px_combo_encrypt_len(c, dlen) (c)->encrypt_len(c, dlen)
|
|
#define px_combo_decrypt_len(c, dlen) (c)->decrypt_len(c, dlen)
|
|
#define px_combo_init(c, key, klen, iv, ivlen) \
|
|
(c)->init(c, key, klen, iv, ivlen)
|
|
#define px_combo_encrypt(c, data, dlen, res, rlen) \
|
|
(c)->encrypt(c, data, dlen, res, rlen)
|
|
#define px_combo_decrypt(c, data, dlen, res, rlen) \
|
|
(c)->decrypt(c, data, dlen, res, rlen)
|
|
#define px_combo_free(c) (c)->free(c)
|
|
|
|
|
|
#endif /* __PX_H */
|
|
|