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195 lines
5.7 KiB
C
195 lines
5.7 KiB
C
/* g10lib.h - GNU digital encryption libray interface
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* Copyright (C) 1998 Free Software Foundation, Inc.
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*
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* This file is part of GNUPG.
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*
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* GNUPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GNUPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef _g10lib_G10LIB_H
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#define _g10lib_G10LIB_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _g10lib_INTERNAL
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struct g10mpi_struct { int hidden_stuff; };
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typedef struct g10mpi_struct *MPI;
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#endif
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int g10c_debug_mode;
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int g10_opt_verbose;
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/********************************
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******* math functions *******
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********************************/
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MPI g10m_new( unsigned nbits );
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MPI g10m_new_secure( unsigned nbits );
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void g10m_release( MPI a );
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void g10m_resize( MPI a, unsigned nbits );
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MPI g10m_copy( MPI a );
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void g10m_swap( MPI a, MPI b);
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void g10m_set( MPI w, MPI u);
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void g10m_set_ui( MPI w, unsigned long u);
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void g10m_set_bytes( MPI a, unsigned nbits, unsigned char (*fnc)(int), int opaque );
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int g10m_cmp( MPI u, MPI v );
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int g10m_cmp_ui( MPI u, unsigned long v );
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void g10m_add(MPI w, MPI u, MPI v);
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void g10m_add_ui(MPI w, MPI u, unsigned long v );
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void g10m_sub( MPI w, MPI u, MPI v);
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void g10m_sub_ui(MPI w, MPI u, unsigned long v );
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void g10m_mul_ui(MPI w, MPI u, unsigned long v );
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void g10m_mul_2exp( MPI w, MPI u, unsigned long cnt);
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void g10m_mul( MPI w, MPI u, MPI v);
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void g10m_mulm( MPI w, MPI u, MPI v, MPI m);
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void g10m_fdiv_q( MPI quot, MPI dividend, MPI divisor );
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void g10m_powm( MPI res, MPI base, MPI exp, MPI mod);
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int g10m_gcd( MPI g, MPI a, MPI b );
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int g10m_invm( MPI x, MPI u, MPI v );
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unsigned g10m_get_nbits( MPI a );
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unsigned g10m_get_size( MPI a );
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void g10m_set_buffer( MPI a, const char *buffer, unsigned nbytes, int sign );
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/********************************************
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******* symmetric cipher functions *******
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********************************************/
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/*********************************************
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******* asymmetric cipher functions *******
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*********************************************/
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/*********************************************
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******* cryptograhic hash functions *******
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*********************************************/
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/*****************************************
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******* miscellaneous functions *******
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*****************************************/
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const char *g10m_revision_string(int mode);
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const char *g10c_revision_string(int mode);
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const char *g10u_revision_string(int mode);
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MPI g10c_generate_secret_prime( unsigned nbits );
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char *g10c_get_random_bits( unsigned nbits, int level, int secure );
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void *g10_malloc( size_t n );
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void *g10_calloc( size_t n );
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void *g10_malloc_secure( size_t n );
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void *g10_calloc_secure( size_t n );
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void *g10_realloc( void *a, size_t n );
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void g10_free( void *p );
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char *g10_strdup( const char * a);
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void g10_log_bug( const char *fmt, ... );
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void g10_log_bug0( const char *, int );
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void g10_log_fatal( const char *fmt, ... );
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void g10_log_error( const char *fmt, ... );
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void g10_log_info( const char *fmt, ... );
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void g10_log_debug( const char *fmt, ... );
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void g10_log_hexdump( const char *text, char *buf, size_t len );
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void g10_log_mpidump( const char *text, MPI a );
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/***************************
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******* constants *******
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**************************/
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#define CIPHER_ALGO_NONE 0
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#define CIPHER_ALGO_IDEA 1
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#define CIPHER_ALGO_3DES 2
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#define CIPHER_ALGO_CAST5 3
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#define CIPHER_ALGO_BLOWFISH 4 /* blowfish 128 bit key */
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#define CIPHER_ALGO_SAFER_SK128 5
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#define CIPHER_ALGO_DES_SK 6
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#define CIPHER_ALGO_BLOWFISH160 42 /* blowfish 160 bit key (not in OpenPGP)*/
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#define CIPHER_ALGO_DUMMY 110 /* no encryption at all */
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#define PUBKEY_ALGO_RSA 1
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#define PUBKEY_ALGO_RSA_E 2 /* RSA encrypt only */
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#define PUBKEY_ALGO_RSA_S 3 /* RSA sign only */
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#define PUBKEY_ALGO_ELGAMAL_E 16 /* encrypt only ElGamal (but not vor v3)*/
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#define PUBKEY_ALGO_DSA 17
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#define PUBKEY_ALGO_ELGAMAL 20 /* sign and encrypt elgamal */
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#define DIGEST_ALGO_MD5 1
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#define DIGEST_ALGO_SHA1 2
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#define DIGEST_ALGO_RMD160 3
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#define DIGEST_ALGO_TIGER 6
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#define is_RSA(a) ((a)==PUBKEY_ALGO_RSA || (a)==PUBKEY_ALGO_RSA_E \
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|| (a)==PUBKEY_ALGO_RSA_S )
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#define is_ELGAMAL(a) ((a)==PUBKEY_ALGO_ELGAMAL || (a)==PUBKEY_ALGO_ELGAMAL_E)
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#define G10ERR_GENERAL 1
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#define G10ERR_PUBKEY_ALGO 4
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#define G10ERR_DIGEST_ALGO 5
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#define G10ERR_BAD_PUBKEY 6
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#define G10ERR_BAD_SECKEY 7
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#define G10ERR_BAD_SIGN 8
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#define G10ERR_CIPHER_ALGO 12
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#define G10ERR_WRONG_SECKEY 18
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#define G10ERR_UNSUPPORTED 19
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#define G10ERR_NI_PUBKEY 27
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#define G10ERR_NI_CIPHER 28
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#define G10ERR_BAD_MPI 30
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#define G10ERR_WR_PUBKEY_ALGO 41
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/***********************************
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******* some handy macros *******
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***********************************/
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#ifndef BUG
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#define BUG() g10_log_bug0( __FILE__ , __LINE__ )
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#endif
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#ifndef STR
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#define STR(v) #v
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#define STR2(v) STR(v)
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#endif
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#ifndef DIM
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#define DIM(v) (sizeof(v)/sizeof((v)[0]))
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#define DIMof(type,member) DIM(((type *)0)->member)
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#endif
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#define DBG_CIPHER g10c_debug_mode
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#define OPT_VERBOSE g10_opt_verbose
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#ifdef __cplusplus
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}
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#endif
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#endif /* _g10lib_G10LIB_H */
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