diff options
Diffstat (limited to 'src/gcrypt.h')
| -rw-r--r-- | src/gcrypt.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/gcrypt.h b/src/gcrypt.h new file mode 100644 index 00000000..53106271 --- /dev/null +++ b/src/gcrypt.h @@ -0,0 +1,220 @@ +/* gcrypt.h - GNU digital encryption libray interface + * Copyright (C) 1998 Free Software Foundation, Inc. + * + * This file is part of GnuPG. + * + * 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, + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#ifndef _GCRYPT_H +#define _GCRYPT_H +#ifdef __cplusplus +extern "C" { +#endif + + +/******************************************* + * * + * error handling * + * * + *******************************************/ + +enum gcry_error { + GCRYERR_SUCCESS = 0, + GCRYERR_INV_OP = 1, /* inavlid operation code */ + GCRYERR_GENERAL = 2 +}; + +/******************************************* + * * + * multi precision integer functions * + * * + *******************************************/ + +enum gcry_mpi_opcode { + GCRYMPI_NOOP = 0, + GCRYMPI_NEW = 1, /* use gcry_mpi_new() */ + GCRYMPI_SNEW = 2, /* use gcry_mpi_new() */ + GCRYMPI_RELEASE = 3, + GCRYMPI_RESIZE = 4, + GCRYMPI_COPY = 5, /* use gcry_mpi_new() */ + GCRYMPI_SWAP = 6, + GCRYMPI_SET = 7, + GCRYMPI_SET_UI = 8, + GCRYMPI_CMP = 9, + GCRYMPI_CMP_UI = 10 +}; + +struct gcry_mpi; + +int gcry_mpi_api( enum gcry_mpi_opcode opcode, int n_args, ... ); +struct gcry_mpi *gcry_mpi_new( enum gcry_mpi_opcode opcode, + unsigned int size, + struct gcry_mpi *val + ); + +#ifndef GCRYPT_NO_MPI_MACROS +#define mpi_new( nbits ) gcry_mpi_new( GCRYMPI_NEW, (nbits), NULL ) +#define mpi_secure_new( nbits ) gcry_mpi_new( GCRYMPI_SNEW, (nbits), NULL ) +#define mpi_release( a ) do { gcry_mpi_api( GCRYMPI_RELEASE, 1, (a) ); + (a) = NULL; } while(0) +#define mpi_resize( a, n ) gcry_mpi_api( GCRYMPI_RESIZE, 2, (a), (n) ) +#define mpi_copy( a ) gcry_mpi_new( GCRYMPI_COPY, 0, (a) ) +#define mpi_swap( a, b ) gcyr_mpi_api( GCRYMPI_SWAP, 2, (a), (b) ) +/* void mpi_set( MPI w, MPI u ); */ +#define mpi_set( w, u) gcry_mpi_api( GCRYMPI_SET, 2, (w), (u) ) +/* void mpi_set_ui( MPI w, unsigned long u ); */ +#define mpi_set_ui( w, u) gcry_mpi_api( GCRYMPI_SET_UI, 2, (w), (u) ) +/* int mpi_cmp( MPI u, MPI v ); */ +#define mpi_cmp( u, v ) gcry_mpi_api( GCRYMPI_CMP, 2, (u), (v) ) +/* int mpi_cmp_ui( MPI u, unsigned long v ); */ +#define mpi_cmp_ui( u, v ) gcry_mpi_api( GCRYMPI_CMP_UI, 2, (u), (v) ) + + +void g10m_add(MPI w, MPI u, MPI v); +void g10m_add_ui(MPI w, MPI u, unsigned long v ); +void g10m_sub( MPI w, MPI u, MPI v); +void g10m_sub_ui(MPI w, MPI u, unsigned long v ); + +void g10m_mul_ui(MPI w, MPI u, unsigned long v ); +void g10m_mul_2exp( MPI w, MPI u, unsigned long cnt); +void g10m_mul( MPI w, MPI u, MPI v); +void g10m_mulm( MPI w, MPI u, MPI v, MPI m); + +void g10m_fdiv_q( MPI quot, MPI dividend, MPI divisor ); + +void g10m_powm( MPI res, MPI base, MPI exp, MPI mod); + +int g10m_gcd( MPI g, MPI a, MPI b ); +int g10m_invm( MPI x, MPI u, MPI v ); + +unsigned g10m_get_nbits( MPI a ); +unsigned g10m_get_size( MPI a ); + +void g10m_set_buffer( MPI a, const char *buffer, unsigned nbytes, int sign ); + + +#endif /* GCRYPT_NO_MPI_MACROS */ + +/******************************************** + ******* symmetric cipher functions ******* + ********************************************/ + + + +/********************************************* + ******* asymmetric cipher functions ******* + *********************************************/ + + + + +/********************************************* + ******* cryptograhic hash functions ******* + *********************************************/ + + +/***************************************** + ******* miscellaneous functions ******* + *****************************************/ + +#if 0 +const char *g10m_revision_string(int mode); +const char *g10c_revision_string(int mode); +const char *g10u_revision_string(int mode); + +MPI g10c_generate_secret_prime( unsigned nbits ); +char *g10c_get_random_bits( unsigned nbits, int level, int secure ); + + +void *g10_malloc( size_t n ); +void *g10_calloc( size_t n ); +void *g10_malloc_secure( size_t n ); +void *g10_calloc_secure( size_t n ); +void *g10_realloc( void *a, size_t n ); +void g10_free( void *p ); +char *g10_strdup( const char * a); + +void g10_log_bug( const char *fmt, ... ); +void g10_log_bug0( const char *, int ); +void g10_log_fatal( const char *fmt, ... ); +void g10_log_error( const char *fmt, ... ); +void g10_log_info( const char *fmt, ... ); +void g10_log_debug( const char *fmt, ... ); +void g10_log_hexdump( const char *text, char *buf, size_t len ); +void g10_log_mpidump( const char *text, MPI a ); +#endif + +/*************************** + ******* constants ******* + **************************/ +#if 0 +#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 */ +#define CIPHER_ALGO_SAFER_SK128 5 +#define CIPHER_ALGO_DES_SK 6 +#define CIPHER_ALGO_BLOWFISH160 42 /* blowfish 160 bit key (not in OpenPGP)*/ +#define CIPHER_ALGO_DUMMY 110 /* no encryption at all */ + +#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 vor v3)*/ +#define PUBKEY_ALGO_DSA 17 +#define PUBKEY_ALGO_ELGAMAL 20 /* sign and encrypt elgamal */ + +#define DIGEST_ALGO_MD5 1 +#define DIGEST_ALGO_SHA1 2 +#define DIGEST_ALGO_RMD160 3 +#define DIGEST_ALGO_TIGER 6 + +#define is_RSA(a) ((a)==PUBKEY_ALGO_RSA || (a)==PUBKEY_ALGO_RSA_E \ + || (a)==PUBKEY_ALGO_RSA_S ) +#define is_ELGAMAL(a) ((a)==PUBKEY_ALGO_ELGAMAL || (a)==PUBKEY_ALGO_ELGAMAL_E) + +#define G10ERR_GENERAL 1 +#define G10ERR_PUBKEY_ALGO 4 +#define G10ERR_DIGEST_ALGO 5 +#define G10ERR_BAD_PUBKEY 6 +#define G10ERR_BAD_SECKEY 7 +#define G10ERR_BAD_SIGN 8 +#define G10ERR_CIPHER_ALGO 12 +#define G10ERR_WRONG_SECKEY 18 +#define G10ERR_UNSUPPORTED 19 +#define G10ERR_NI_PUBKEY 27 +#define G10ERR_NI_CIPHER 28 +#define G10ERR_BAD_MPI 30 +#define G10ERR_WR_PUBKEY_ALGO 41 +#endif + +/*********************************************** + * * + * Some very handy macros * + * * + ***********************************************/ +#ifndef GCRYPT_NO_MPI_MACROS + +typedef struct gcry_mpi *MPI; + + +#endif /* GCRYPT_NO_MPI_MACROS */ + +#ifdef __cplusplus +} +#endif +#endif /* _GCRYPT_H */ |