summaryrefslogtreecommitdiffstats
path: root/contrib/pgcrypto/px.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/pgcrypto/px.h')
-rw-r--r--contrib/pgcrypto/px.h228
1 files changed, 228 insertions, 0 deletions
diff --git a/contrib/pgcrypto/px.h b/contrib/pgcrypto/px.h
new file mode 100644
index 0000000..4ef40f3
--- /dev/null
+++ b/contrib/pgcrypto/px.h
@@ -0,0 +1,228 @@
+/*
+ * 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.
+ *
+ * contrib/pgcrypto/px.h
+ */
+
+#ifndef __PX_H
+#define __PX_H
+
+#include <sys/param.h>
+
+/* keep debug messages? */
+#define PX_DEBUG
+
+/* max salt returned */
+#define PX_MAX_SALT_LEN 128
+
+/*
+ * PX error codes
+ */
+#define PXE_OK 0
+/* -1 is unused */
+#define PXE_NO_HASH -2
+#define PXE_NO_CIPHER -3
+/* -4 is unused */
+#define PXE_BAD_OPTION -5
+#define PXE_BAD_FORMAT -6
+#define PXE_KEY_TOO_BIG -7
+#define PXE_CIPHER_INIT -8
+#define PXE_HASH_UNUSABLE_FOR_HMAC -9
+/* -10 is unused */
+/* -11 is unused */
+#define PXE_BUG -12
+#define PXE_ARGUMENT_ERROR -13
+#define PXE_UNKNOWN_SALT_ALGO -14
+#define PXE_BAD_SALT_ROUNDS -15
+/* -16 is unused */
+#define PXE_NO_RANDOM -17
+#define PXE_DECRYPT_FAILED -18
+#define PXE_ENCRYPT_FAILED -19
+
+#define PXE_PGP_CORRUPT_DATA -100
+#define PXE_PGP_CORRUPT_ARMOR -101
+#define PXE_PGP_UNSUPPORTED_COMPR -102
+#define PXE_PGP_UNSUPPORTED_CIPHER -103
+#define PXE_PGP_UNSUPPORTED_HASH -104
+#define PXE_PGP_COMPRESSION_ERROR -105
+#define PXE_PGP_NOT_TEXT -106
+#define PXE_PGP_UNEXPECTED_PKT -107
+/* -108 is unused */
+#define PXE_PGP_MATH_FAILED -109
+#define PXE_PGP_SHORT_ELGAMAL_KEY -110
+/* -111 is unused */
+#define PXE_PGP_UNKNOWN_PUBALGO -112
+#define PXE_PGP_WRONG_KEY -113
+#define PXE_PGP_MULTIPLE_KEYS -114
+#define PXE_PGP_EXPECT_PUBLIC_KEY -115
+#define PXE_PGP_EXPECT_SECRET_KEY -116
+#define PXE_PGP_NOT_V4_KEYPKT -117
+#define PXE_PGP_KEYPKT_CORRUPT -118
+#define PXE_PGP_NO_USABLE_KEY -119
+#define PXE_PGP_NEED_SECRET_PSW -120
+#define PXE_PGP_BAD_S2K_MODE -121
+#define PXE_PGP_UNSUPPORTED_PUBALGO -122
+#define PXE_PGP_MULTIPLE_SUBKEYS -123
+
+
+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
+{
+ unsigned (*result_size) (PX_MD *h);
+ unsigned (*block_size) (PX_MD *h);
+ void (*reset) (PX_MD *h);
+ void (*update) (PX_MD *h, const uint8 *data, unsigned dlen);
+ void (*finish) (PX_MD *h, uint8 *dst);
+ void (*free) (PX_MD *h);
+ /* private */
+ union
+ {
+ unsigned code;
+ void *ptr;
+ } p;
+};
+
+struct px_alias
+{
+ char *alias;
+ char *name;
+};
+
+struct px_hmac
+{
+ unsigned (*result_size) (PX_HMAC *h);
+ unsigned (*block_size) (PX_HMAC *h);
+ void (*reset) (PX_HMAC *h);
+ void (*update) (PX_HMAC *h, const uint8 *data, unsigned dlen);
+ void (*finish) (PX_HMAC *h, uint8 *dst);
+ void (*free) (PX_HMAC *h);
+ void (*init) (PX_HMAC *h, const uint8 *key, unsigned klen);
+
+ PX_MD *md;
+ /* private */
+ struct
+ {
+ uint8 *ipad;
+ uint8 *opad;
+ } p;
+};
+
+struct px_cipher
+{
+ unsigned (*block_size) (PX_Cipher *c);
+ unsigned (*key_size) (PX_Cipher *c); /* max key len */
+ unsigned (*iv_size) (PX_Cipher *c);
+
+ int (*init) (PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv);
+ int (*encrypt) (PX_Cipher *c, int padding, const uint8 *data, unsigned dlen, uint8 *res, unsigned *rlen);
+ int (*decrypt) (PX_Cipher *c, int padding, const uint8 *data, unsigned dlen, uint8 *res, unsigned *rlen);
+ void (*free) (PX_Cipher *c);
+ /* private */
+ void *ptr;
+ int pstat; /* mcrypt uses it */
+};
+
+struct px_combo
+{
+ int (*init) (PX_Combo *cx, const uint8 *key, unsigned klen,
+ const uint8 *iv, unsigned ivlen);
+ int (*encrypt) (PX_Combo *cx, const uint8 *data, unsigned dlen,
+ uint8 *res, unsigned *rlen);
+ int (*decrypt) (PX_Combo *cx, const uint8 *data, unsigned dlen,
+ uint8 *res, unsigned *rlen);
+ unsigned (*encrypt_len) (PX_Combo *cx, unsigned dlen);
+ unsigned (*decrypt_len) (PX_Combo *cx, unsigned dlen);
+ void (*free) (PX_Combo *cx);
+
+ PX_Cipher *cipher;
+ unsigned 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);
+
+void px_THROW_ERROR(int err) pg_attribute_noreturn();
+const char *px_strerror(int err);
+
+const char *px_resolve_alias(const PX_Alias *aliases, const char *name);
+
+void px_set_debug_handler(void (*handler) (const char *));
+
+void px_memset(void *ptr, int c, size_t len);
+
+#ifdef PX_DEBUG
+void px_debug(const char *fmt,...) pg_attribute_printf(1, 2);
+#else
+#define px_debug(...)
+#endif
+
+#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, padding, data, dlen, res, rlen) \
+ (c)->encrypt(c, padding, data, dlen, res, rlen)
+#define px_cipher_decrypt(c, padding, data, dlen, res, rlen) \
+ (c)->decrypt(c, padding, data, dlen, res, rlen)
+#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 */