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Diffstat (limited to 'include/g10lib.h')
| -rw-r--r-- | include/g10lib.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/include/g10lib.h b/include/g10lib.h new file mode 100644 index 000000000..12e846ca8 --- /dev/null +++ b/include/g10lib.h @@ -0,0 +1,174 @@ +/* g10lib.h - GNU digital encryption libray interface + * Copyright (C) 1998 Free Software Foundation, Inc. + * + * FIXME: This should allow XFree programs etc to use the header. + */ + +#ifndef _g10lib_G10LIB_H +#define _g10lib_G10LIB_H +#ifdef __cplusplus +extern "C" { +#endif + + + +#ifndef _g10lib_INTERNAL +struct g10mpi_struct { int hidden_stuff; }; +typedef struct g10mpi_struct *MPI; +#endif + +int g10c_debug_mode; +int g10_opt_verbose; + +/******************************** + ******* math functions ******* + ********************************/ +MPI g10m_new( unsigned nbits ); +MPI g10m_new_secure( unsigned nbits ); +void g10m_release( MPI a ); +void g10m_resize( MPI a, unsigned nbits ); +MPI g10m_copy( MPI a ); +void g10m_swap( MPI a, MPI b); +void g10m_set( MPI w, MPI u); +void g10m_set_ui( MPI w, unsigned long u); +void g10m_set_bytes( MPI a, unsigned nbits, unsigned char (*fnc)(int), int opaque ); +int g10m_cmp( MPI u, MPI v ); +int g10m_cmp_ui( MPI u, unsigned long 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 ); + + +/******************************************** + ******* symmetric cipher functions ******* + ********************************************/ + + + +/********************************************* + ******* asymmetric cipher functions ******* + *********************************************/ + + + + +/********************************************* + ******* cryptograhic hash functions ******* + *********************************************/ + + +/***************************************** + ******* miscellaneous functions ******* + *****************************************/ + +MPI g10c_generate_secret_prime( unsigned nbits ); +unsigned char g10c_get_random_byte( int level ); + + +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 ); + + +/*************************** + ******* constants ******* + **************************/ +#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 + + +/*********************************** + ******* some handy macros ******* + ***********************************/ + +#ifndef BUG + #define BUG() g10_log_bug0( __FILE__ , __LINE__ ) +#endif + +#ifndef STR + #define STR(v) #v + #define STR2(v) STR(v) +#endif + +#ifndef DIM + #define DIM(v) (sizeof(v)/sizeof((v)[0])) + #define DIMof(type,member) DIM(((type *)0)->member) +#endif + + +#define DBG_CIPHER g10c_debug_mode +#define OPT_VERBOSE g10_opt_verbose + + +#ifdef __cplusplus +} +#endif +#endif /* _g10lib_G10LIB_H */ |