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-rw-r--r--include/cipher.h221
1 files changed, 58 insertions, 163 deletions
diff --git a/include/cipher.h b/include/cipher.h
index 5b531ccd2..d8b15cf9a 100644
--- a/include/cipher.h
+++ b/include/cipher.h
@@ -1,15 +1,14 @@
-/* cipher.h
- * Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005,
- * 2006 Free Software Foundation, Inc.
+/* cipher.h - Definitions for OpenPGP
+ * Copyright (C) 1998, 1999, 2000, 2001, 2006 Free Software Foundation, Inc.
*
- * This file is part of GNUPG.
+ * This file is part of GnuPG.
*
- * GNUPG is free software; you can redistribute it and/or modify
+ * GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
- * GNUPG is distributed in the hope that it will be useful,
+ * GnuPG 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 General Public License for more details.
@@ -22,49 +21,60 @@
#ifndef G10_CIPHER_H
#define G10_CIPHER_H
-#define DBG_CIPHER g10c_debug_mode
+#include <gcrypt.h>
-#include "mpi.h"
-#include "../cipher/random.h"
-
-
-#define CIPHER_ALGO_NONE 0
-#define CIPHER_ALGO_IDEA 1
-#define CIPHER_ALGO_3DES 2
-#define CIPHER_ALGO_CAST5 3
-#define CIPHER_ALGO_BLOWFISH 4 /* blowfish 128 bit key */
-/* 5 & 6 are reserved */
-#define CIPHER_ALGO_AES 7
-#define CIPHER_ALGO_AES192 8
-#define CIPHER_ALGO_AES256 9
-#define CIPHER_ALGO_TWOFISH 10 /* twofish 256 bit */
-#define CIPHER_ALGO_DUMMY 110 /* no encryption at all */
+/* Macros for compatibility with older libgcrypt versions. */
+#ifndef GCRY_PK_USAGE_CERT
+# define GCRY_PK_USAGE_CERT 4
+# define GCRY_PK_USAGE_AUTH 8
+# define GCRY_PK_USAGE_UNKN 128
+#endif
-#define PUBKEY_ALGO_RSA 1
-#define PUBKEY_ALGO_RSA_E 2 /* RSA encrypt only */
-#define PUBKEY_ALGO_RSA_S 3 /* RSA sign only */
-#define PUBKEY_ALGO_ELGAMAL_E 16 /* encrypt only ElGamal (but not for v3)*/
-#define PUBKEY_ALGO_DSA 17
-#define PUBKEY_ALGO_ELGAMAL 20 /* sign and encrypt elgamal */
-#define PUBKEY_USAGE_SIG 1 /* key is good for signatures */
-#define PUBKEY_USAGE_ENC 2 /* key is good for encryption */
-#define PUBKEY_USAGE_CERT 4 /* key is also good to certify other keys*/
-#define PUBKEY_USAGE_AUTH 8 /* key is good for authentication */
-#define PUBKEY_USAGE_UNKNOWN 128 /* key has an unknown usage bit */
+/* Constants for OpenPGP. */
-#define DIGEST_ALGO_MD5 1
-#define DIGEST_ALGO_SHA1 2
-#define DIGEST_ALGO_RMD160 3
+#define CIPHER_ALGO_NONE /* 0 */ GCRY_CIPHER_NONE
+#define CIPHER_ALGO_IDEA /* 1 */ GCRY_CIPHER_IDEA
+#define CIPHER_ALGO_3DES /* 2 */ GCRY_CIPHER_3DES
+#define CIPHER_ALGO_CAST5 /* 3 */ GCRY_CIPHER_CAST5
+#define CIPHER_ALGO_BLOWFISH /* 4 */ GCRY_CIPHER_BLOWFISH /* 128 bit */
+/* 5 & 6 are reserved */
+#define CIPHER_ALGO_AES /* 7 */ GCRY_CIPHER_AES
+#define CIPHER_ALGO_AES192 /* 8 */ GCRY_CIPHER_AES192
+#define CIPHER_ALGO_AES256 /* 9 */ GCRY_CIPHER_AES256
+#define CIPHER_ALGO_RIJNDAEL CIPHER_ALGO_AES
+#define CIPHER_ALGO_RIJNDAEL192 CIPHER_ALGO_AES192
+#define CIPHER_ALGO_RIJNDAEL256 CIPHER_ALGO_AES256
+#define CIPHER_ALGO_TWOFISH /* 10 */ GCRY_CIPHER_TWOFISH /* 256 bit */
+#define CIPHER_ALGO_DUMMY 110 /* No encryption at all. */
+
+#define PUBKEY_ALGO_RSA /* 1 */ GCRY_PK_RSA
+#define PUBKEY_ALGO_RSA_E /* 2 */ GCRY_PK_RSA_E /* RSA encrypt only. */
+#define PUBKEY_ALGO_RSA_S /* 3 */ GCRY_PK_RSA_S /* RSA sign only. */
+#define PUBKEY_ALGO_ELGAMAL_E /* 16 */ GCRY_PK_ELG_E /* Elgamal encr only */
+#define PUBKEY_ALGO_DSA /* 17 */ GCRY_PK_DSA
+#define PUBKEY_ALGO_ELGAMAL /* 20 */ GCRY_PK_ELG /* Elgamal encr+sign */
+
+#define PUBKEY_USAGE_SIG GCRY_PK_USAGE_SIGN /* Good for signatures. */
+#define PUBKEY_USAGE_ENC GCRY_PK_USAGE_ENCR /* Good for encryption. */
+#define PUBKEY_USAGE_CERT GCRY_PK_USAGE_CERT /* Also good to certify keys. */
+#define PUBKEY_USAGE_AUTH GCRY_PK_USAGE_AUTH /* Good for authentication. */
+#define PUBKEY_USAGE_UNKNOWN GCRY_PK_USAGE_UNKN /* Unknown usage flag. */
+
+#define DIGEST_ALGO_MD5 /* 1 */ GCRY_MD_MD5
+#define DIGEST_ALGO_SHA1 /* 2 */ GCRY_MD_SHA1
+#define DIGEST_ALGO_RMD160 /* 3 */ GCRY_MD_RMD160
/* 4, 5, 6, and 7 are reserved */
-#define DIGEST_ALGO_SHA256 8
-#define DIGEST_ALGO_SHA384 9
-#define DIGEST_ALGO_SHA512 10
-#define DIGEST_ALGO_SHA224 11
-
-#define COMPRESS_ALGO_NONE 0
-#define COMPRESS_ALGO_ZIP 1
-#define COMPRESS_ALGO_ZLIB 2
+#define DIGEST_ALGO_SHA256 /* 8 */ GCRY_MD_SHA256
+#define DIGEST_ALGO_SHA384 /* 9 */ GCRY_MD_SHA384
+#define DIGEST_ALGO_SHA512 /* 10 */ GCRY_MD_SHA512
+/* SHA224 is as of now only defined in the libgcrypt SVN; thus we
+ can't use that macro. */
+#define DIGEST_ALGO_SHA224 /* 11 */ 11 /* GCRY_MD_SHA224 */
+
+#define COMPRESS_ALGO_NONE 0
+#define COMPRESS_ALGO_ZIP 1
+#define COMPRESS_ALGO_ZLIB 2
#define COMPRESS_ALGO_BZIP2 3
#define is_RSA(a) ((a)==PUBKEY_ALGO_RSA || (a)==PUBKEY_ALGO_RSA_E \
@@ -72,138 +82,23 @@
#define is_ELGAMAL(a) ((a)==PUBKEY_ALGO_ELGAMAL_E)
#define is_DSA(a) ((a)==PUBKEY_ALGO_DSA)
-typedef struct
+/* The data encryption key object. */
+typedef struct
{
int algo;
int keylen;
int algo_info_printed;
int use_mdc;
int symmetric;
- byte key[32]; /* this is the largest used keylen (256 bit) */
+ byte key[32]; /* This is the largest used keylen (256 bit). */
} DEK;
-struct cipher_handle_s;
-typedef struct cipher_handle_s *CIPHER_HANDLE;
-#define CIPHER_MODE_ECB 1
-#define CIPHER_MODE_CFB 2
-#define CIPHER_MODE_PHILS_CFB 3
-#define CIPHER_MODE_AUTO_CFB 4
-#define CIPHER_MODE_DUMMY 5 /* used with algo DUMMY for no encryption */
-#define CIPHER_MODE_CBC 6
-
-struct md_digest_list_s;
-
-struct gcry_md_context {
- int secure;
- FILE *debug;
- int finalized;
- struct md_digest_list_s *list;
- int bufcount;
- int bufsize;
- byte buffer[1];
-};
-
-typedef struct gcry_md_context *MD_HANDLE;
-
-#ifndef EXTERN_UNLESS_MAIN_MODULE
-#if defined (__riscos__) && !defined (INCLUDED_BY_MAIN_MODULE)
-#define EXTERN_UNLESS_MAIN_MODULE extern
-#else
-#define EXTERN_UNLESS_MAIN_MODULE
-#endif
-#endif
-EXTERN_UNLESS_MAIN_MODULE int g10c_debug_mode;
-EXTERN_UNLESS_MAIN_MODULE int g10_opt_verbose;
-EXTERN_UNLESS_MAIN_MODULE const char *g10_opt_homedir;
-
-
-/*-- dynload.c --*/
-void register_cipher_extension( const char *mainpgm, const char *fname );
-
-/*-- md.c --*/
-int string_to_digest_algo( const char *string );
-const char * digest_algo_to_string( int algo );
-int check_digest_algo( int algo );
-MD_HANDLE md_open( int algo, int secure );
-void md_enable( MD_HANDLE hd, int algo );
-MD_HANDLE md_copy( MD_HANDLE a );
-void md_reset( MD_HANDLE a );
-void md_close(MD_HANDLE a);
-void md_write( MD_HANDLE a, const byte *inbuf, size_t inlen);
-void md_final(MD_HANDLE a);
-byte *md_read( MD_HANDLE a, int algo );
-int md_digest( MD_HANDLE a, int algo, byte *buffer, int buflen );
-int md_get_algo( MD_HANDLE a );
-int md_algo_present( MD_HANDLE a, int algo );
-int md_digest_length( int algo );
-const byte *md_asn_oid( int algo, size_t *asnlen, size_t *mdlen );
-void md_start_debug( MD_HANDLE a, const char *suffix );
-void md_stop_debug( MD_HANDLE a );
-#define md_is_secure(a) ((a)->secure)
-#define md_putc(h,c) \
- do { \
- if( (h)->bufcount == (h)->bufsize ) \
- md_write( (h), NULL, 0 ); \
- (h)->buffer[(h)->bufcount++] = (c) & 0xff; \
- } while(0)
-
-void rmd160_hash_buffer (char *outbuf, const char *buffer, size_t length);
-
-
-/*-- cipher.c --*/
-int string_to_cipher_algo( const char *string );
-const char * cipher_algo_to_string( int algo );
-void disable_cipher_algo( int algo );
-int check_cipher_algo( int algo );
-unsigned cipher_get_keylen( int algo );
-unsigned cipher_get_blocksize( int algo );
-CIPHER_HANDLE cipher_open( int algo, int mode, int secure );
-void cipher_close( CIPHER_HANDLE c );
-int cipher_setkey( CIPHER_HANDLE c, byte *key, unsigned keylen );
-void cipher_setiv( CIPHER_HANDLE c, const byte *iv, unsigned ivlen );
-void cipher_encrypt( CIPHER_HANDLE c, byte *out, byte *in, unsigned nbytes );
-void cipher_decrypt( CIPHER_HANDLE c, byte *out, byte *in, unsigned nbytes );
-void cipher_sync( CIPHER_HANDLE c );
-
-/*-- pubkey.c --*/
+/* Constants to allocate static MPI arrays. */
#define PUBKEY_MAX_NPKEY 4
#define PUBKEY_MAX_NSKEY 6
#define PUBKEY_MAX_NSIG 2
#define PUBKEY_MAX_NENC 2
-int string_to_pubkey_algo( const char *string );
-const char * pubkey_algo_to_string( int algo );
-void disable_pubkey_algo( int algo );
-int check_pubkey_algo( int algo );
-int check_pubkey_algo2( int algo, unsigned use );
-int pubkey_get_npkey( int algo );
-int pubkey_get_nskey( int algo );
-int pubkey_get_nsig( int algo );
-int pubkey_get_nenc( int algo );
-unsigned pubkey_nbits( int algo, MPI *pkey );
-int pubkey_generate( int algo, unsigned nbits, MPI *skey, MPI **retfactors );
-int dsa2_generate( int algo, unsigned nbits, unsigned qbits,
- MPI *skey, MPI **retfactors );
-int pubkey_check_secret_key( int algo, MPI *skey );
-int pubkey_encrypt( int algo, MPI *resarr, MPI data, MPI *pkey );
-int pubkey_decrypt( int algo, MPI *result, MPI *data, MPI *skey );
-int pubkey_sign( int algo, MPI *resarr, MPI hash, MPI *skey );
-int pubkey_verify( int algo, MPI hash, MPI *data, MPI *pkey );
-
-/*-- smallprime.c --*/
-extern ushort small_prime_numbers[];
-
-/*-- primegen.c --*/
-void register_primegen_progress ( void (*cb)( void *, int), void *cb_data );
-MPI generate_secret_prime( unsigned nbits );
-MPI generate_public_prime( unsigned nbits );
-MPI generate_elg_prime( int mode, unsigned pbits, unsigned qbits,
- MPI g, MPI **factors );
-
-/*-- elsewhere --*/
-void register_pk_dsa_progress ( void (*cb)( void *, int), void *cb_data );
-void register_pk_elg_progress ( void (*cb)( void *, int), void *cb_data );
-
#endif /*G10_CIPHER_H*/
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 17:44:01 +0000