From 1a2fd466e880636d53969b1c614d223ed94cf35b Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 12 Jan 2013 16:17:31 +0100 Subject: [PATCH 097/364] Remove autogenerated files from VCS --- .bzrignore | 2 + include/grub/gcrypt/gcrypt.h | 1333 ------------------------------------------ 2 files changed, 2 insertions(+), 1333 deletions(-) delete mode 100644 include/grub/gcrypt/gcrypt.h diff --git a/include/grub/gcrypt/gcrypt.h b/include/grub/gcrypt/gcrypt.h deleted file mode 100644 index fc83571..0000000 --- a/include/grub/gcrypt/gcrypt.h +++ /dev/null @@ -1,1333 +0,0 @@ -/* gcrypt.h - GNU Cryptographic Library Interface -*- c -*- - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006 - 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. - - This file is part of Libgcrypt. - - Libgcrypt is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of - the License, or (at your option) any later version. - - Libgcrypt 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 Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this program; if not, see . - - File: @configure_input@ */ - -#ifndef _GCRYPT_H -#define _GCRYPT_H - -#include - -#include - -#include - -#if defined _WIN32 || defined __WIN32__ -# include -# include -# include -# ifndef __GNUC__ - typedef long ssize_t; - typedef int pid_t; -# endif /*!__GNUC__*/ -#else -# include -# include -#endif /*!_WIN32*/ - - -/* This is required for error code compatibility. */ -#define _GCRY_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_GCRYPT - -#ifdef __cplusplus -extern "C" { -#if 0 /* (Keep Emacsens' auto-indent happy.) */ -} -#endif -#endif - -/* The version of this header should match the one of the library. It - should not be used by a program because gcry_check_version() should - return the same version. The purpose of this macro is to let - autoconf (using the AM_PATH_GCRYPT macro) check that this header - matches the installed library. */ -#define GCRYPT_VERSION "@VERSION@" - -/* Internal: We can't use the convenience macros for the multi - precision integer functions when building this library. */ -#ifdef _GCRYPT_IN_LIBGCRYPT -#ifndef GCRYPT_NO_MPI_MACROS -#define GCRYPT_NO_MPI_MACROS 1 -#endif -#endif - -/* We want to use gcc attributes when possible. Warning: Don't use - these macros in your programs: As indicated by the leading - underscore they are subject to change without notice. */ -#ifdef __GNUC__ - -#define _GCRY_GCC_VERSION (__GNUC__ * 10000 \ - + __GNUC_MINOR__ * 100 \ - + __GNUC_PATCHLEVEL__) - -#if _GCRY_GCC_VERSION >= 30100 -#define _GCRY_GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__)) -#endif - -#if _GCRY_GCC_VERSION >= 29600 -#define _GCRY_GCC_ATTR_PURE __attribute__ ((__pure__)) -#endif - -#if _GCRY_GCC_VERSION >= 30200 -#define _GCRY_GCC_ATTR_MALLOC __attribute__ ((__malloc__)) -#endif - -#endif /*__GNUC__*/ - -#ifndef _GCRY_GCC_ATTR_DEPRECATED -#define _GCRY_GCC_ATTR_DEPRECATED -#endif -#ifndef _GCRY_GCC_ATTR_PURE -#define _GCRY_GCC_ATTR_PURE -#endif -#ifndef _GCRY_GCC_ATTR_MALLOC -#define _GCRY_GCC_ATTR_MALLOC -#endif - -/* Make up an attribute to mark functions and types as deprecated but - allow internal use by Libgcrypt. */ -#ifdef _GCRYPT_IN_LIBGCRYPT -#define _GCRY_ATTR_INTERNAL -#else -#define _GCRY_ATTR_INTERNAL _GCRY_GCC_ATTR_DEPRECATED -#endif - -/* Wrappers for the libgpg-error library. */ - -typedef gpg_error_t gcry_error_t; -typedef gpg_err_code_t gcry_err_code_t; -typedef gpg_err_source_t gcry_err_source_t; - -static GPG_ERR_INLINE gcry_error_t -gcry_err_make (gcry_err_source_t source, gcry_err_code_t code) -{ - return gpg_err_make (source, code); -} - -/* The user can define GPG_ERR_SOURCE_DEFAULT before including this - file to specify a default source for gpg_error. */ -#ifndef GCRY_ERR_SOURCE_DEFAULT -#define GCRY_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_USER_1 -#endif - -static GPG_ERR_INLINE gcry_error_t -gcry_error (gcry_err_code_t code) -{ - return gcry_err_make (GCRY_ERR_SOURCE_DEFAULT, code); -} - -static GPG_ERR_INLINE gcry_err_code_t -gcry_err_code (gcry_error_t err) -{ - return gpg_err_code (err); -} - - -static GPG_ERR_INLINE gcry_err_source_t -gcry_err_source (gcry_error_t err) -{ - return gpg_err_source (err); -} - -/* Return a pointer to a string containing a description of the error - code in the error value ERR. */ -const char *gcry_strerror (gcry_error_t err); - -/* Return a pointer to a string containing a description of the error - source in the error value ERR. */ -const char *gcry_strsource (gcry_error_t err); - -/* Retrieve the error code for the system error ERR. This returns - GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report - this). */ -gcry_err_code_t gcry_err_code_from_errno (int err); - -/* Retrieve the system error for the error code CODE. This returns 0 - if CODE is not a system error code. */ -int gcry_err_code_to_errno (gcry_err_code_t code); - -/* Return an error value with the error source SOURCE and the system - error ERR. */ -gcry_error_t gcry_err_make_from_errno (gcry_err_source_t source, int err); - -/* Return an error value with the system error ERR. */ -gcry_err_code_t gcry_error_from_errno (int err); - - -/* NOTE: Since Libgcrypt 1.6 the thread callbacks are not anymore - used. However we keep it to allow for some source code - compatibility if used in the standard way. */ - -/* Constants defining the thread model to use. Used with the OPTION - field of the struct gcry_thread_cbs. */ -#define GCRY_THREAD_OPTION_DEFAULT 0 -#define GCRY_THREAD_OPTION_USER 1 -#define GCRY_THREAD_OPTION_PTH 2 -#define GCRY_THREAD_OPTION_PTHREAD 3 - -/* The version number encoded in the OPTION field of the struct - gcry_thread_cbs. */ -#define GCRY_THREAD_OPTION_VERSION 1 - -/* Wrapper for struct ath_ops. */ -struct gcry_thread_cbs -{ - /* The OPTION field encodes the thread model and the version number - of this structure. - Bits 7 - 0 are used for the thread model - Bits 15 - 8 are used for the version number. */ - unsigned int option; -} _GCRY_ATTR_INTERNAL; - -#define GCRY_THREAD_OPTION_PTH_IMPL \ - static struct gcry_thread_cbs gcry_threads_pth = { \ - (GCRY_THREAD_OPTION_PTH | (GCRY_THREAD_OPTION_VERSION << 8))} - -#define GCRY_THREAD_OPTION_PTHREAD_IMPL \ - static struct gcry_thread_cbs gcry_threads_pthread = { \ - (GCRY_THREAD_OPTION_PTHREAD | (GCRY_THREAD_OPTION_VERSION << 8))} - - - -/* The data object used to hold a multi precision integer. */ -struct gcry_mpi; -typedef struct gcry_mpi *gcry_mpi_t; - -#ifndef GCRYPT_NO_DEPRECATED -typedef struct gcry_mpi *GCRY_MPI _GCRY_GCC_ATTR_DEPRECATED; -typedef struct gcry_mpi *GcryMPI _GCRY_GCC_ATTR_DEPRECATED; -#endif - - - -/* Check that the library fulfills the version requirement. */ -const char *gcry_check_version (const char *req_version); - -/* Codes for function dispatchers. */ - -/* Codes used with the gcry_control function. */ -enum gcry_ctl_cmds - { - GCRYCTL_SET_KEY = 1, - GCRYCTL_SET_IV = 2, - GCRYCTL_CFB_SYNC = 3, - GCRYCTL_RESET = 4, /* e.g. for MDs */ - GCRYCTL_FINALIZE = 5, - GCRYCTL_GET_KEYLEN = 6, - GCRYCTL_GET_BLKLEN = 7, - GCRYCTL_TEST_ALGO = 8, - GCRYCTL_IS_SECURE = 9, - GCRYCTL_GET_ASNOID = 10, - GCRYCTL_ENABLE_ALGO = 11, - GCRYCTL_DISABLE_ALGO = 12, - GCRYCTL_DUMP_RANDOM_STATS = 13, - GCRYCTL_DUMP_SECMEM_STATS = 14, - GCRYCTL_GET_ALGO_NPKEY = 15, - GCRYCTL_GET_ALGO_NSKEY = 16, - GCRYCTL_GET_ALGO_NSIGN = 17, - GCRYCTL_GET_ALGO_NENCR = 18, - GCRYCTL_SET_VERBOSITY = 19, - GCRYCTL_SET_DEBUG_FLAGS = 20, - GCRYCTL_CLEAR_DEBUG_FLAGS = 21, - GCRYCTL_USE_SECURE_RNDPOOL= 22, - GCRYCTL_DUMP_MEMORY_STATS = 23, - GCRYCTL_INIT_SECMEM = 24, - GCRYCTL_TERM_SECMEM = 25, - GCRYCTL_DISABLE_SECMEM_WARN = 27, - GCRYCTL_SUSPEND_SECMEM_WARN = 28, - GCRYCTL_RESUME_SECMEM_WARN = 29, - GCRYCTL_DROP_PRIVS = 30, - GCRYCTL_ENABLE_M_GUARD = 31, - GCRYCTL_START_DUMP = 32, - GCRYCTL_STOP_DUMP = 33, - GCRYCTL_GET_ALGO_USAGE = 34, - GCRYCTL_IS_ALGO_ENABLED = 35, - GCRYCTL_DISABLE_INTERNAL_LOCKING = 36, - GCRYCTL_DISABLE_SECMEM = 37, - GCRYCTL_INITIALIZATION_FINISHED = 38, - GCRYCTL_INITIALIZATION_FINISHED_P = 39, - GCRYCTL_ANY_INITIALIZATION_P = 40, - GCRYCTL_SET_CBC_CTS = 41, - GCRYCTL_SET_CBC_MAC = 42, - GCRYCTL_SET_CTR = 43, - GCRYCTL_ENABLE_QUICK_RANDOM = 44, - GCRYCTL_SET_RANDOM_SEED_FILE = 45, - GCRYCTL_UPDATE_RANDOM_SEED_FILE = 46, - GCRYCTL_SET_THREAD_CBS = 47, - GCRYCTL_FAST_POLL = 48, - GCRYCTL_SET_RANDOM_DAEMON_SOCKET = 49, - GCRYCTL_USE_RANDOM_DAEMON = 50, - GCRYCTL_FAKED_RANDOM_P = 51, - GCRYCTL_SET_RNDEGD_SOCKET = 52, - GCRYCTL_PRINT_CONFIG = 53, - GCRYCTL_OPERATIONAL_P = 54, - GCRYCTL_FIPS_MODE_P = 55, - GCRYCTL_FORCE_FIPS_MODE = 56, - GCRYCTL_SELFTEST = 57, - /* Note: 58 .. 62 are used internally. */ - GCRYCTL_DISABLE_HWF = 63 - }; - -/* Perform various operations defined by CMD. */ -gcry_error_t gcry_control (enum gcry_ctl_cmds CMD, ...); - - -/* S-expression management. */ - -/* The object to represent an S-expression as used with the public key - functions. */ -struct gcry_sexp; -typedef struct gcry_sexp *gcry_sexp_t; - -#ifndef GCRYPT_NO_DEPRECATED -typedef struct gcry_sexp *GCRY_SEXP _GCRY_GCC_ATTR_DEPRECATED; -typedef struct gcry_sexp *GcrySexp _GCRY_GCC_ATTR_DEPRECATED; -#endif - -/* The possible values for the S-expression format. */ -enum gcry_sexp_format - { - GCRYSEXP_FMT_DEFAULT = 0, - GCRYSEXP_FMT_CANON = 1, - GCRYSEXP_FMT_BASE64 = 2, - GCRYSEXP_FMT_ADVANCED = 3 - }; - -/* Create an new S-expression object from BUFFER of size LENGTH and - return it in RETSEXP. With AUTODETECT set to 0 the data in BUFFER - is expected to be in canonized format. */ -gcry_error_t gcry_sexp_new (gcry_sexp_t *retsexp, - const void *buffer, size_t length, - int autodetect); - - /* Same as gcry_sexp_new but allows to pass a FREEFNC which has the - effect to transfer ownership of BUFFER to the created object. */ -gcry_error_t gcry_sexp_create (gcry_sexp_t *retsexp, - void *buffer, size_t length, - int autodetect, void (*freefnc) (void *)); - -/* Scan BUFFER and return a new S-expression object in RETSEXP. This - function expects a printf like string in BUFFER. */ -gcry_error_t gcry_sexp_sscan (gcry_sexp_t *retsexp, size_t *erroff, - const char *buffer, size_t length); - -/* Same as gcry_sexp_sscan but expects a string in FORMAT and can thus - only be used for certain encodings. */ -gcry_error_t gcry_sexp_build (gcry_sexp_t *retsexp, size_t *erroff, - const char *format, ...); - -/* Like gcry_sexp_build, but uses an array instead of variable - function arguments. */ -gcry_error_t gcry_sexp_build_array (gcry_sexp_t *retsexp, size_t *erroff, - const char *format, void **arg_list); - -/* Release the S-expression object SEXP */ -void gcry_sexp_release (gcry_sexp_t sexp); - -/* Calculate the length of an canonized S-expresion in BUFFER and - check for a valid encoding. */ -size_t gcry_sexp_canon_len (const unsigned char *buffer, size_t length, - size_t *erroff, gcry_error_t *errcode); - -/* Copies the S-expression object SEXP into BUFFER using the format - specified in MODE. */ -size_t gcry_sexp_sprint (gcry_sexp_t sexp, int mode, void *buffer, - size_t maxlength); - -/* Dumps the S-expression object A in a format suitable for debugging - to Libgcrypt's logging stream. */ -void gcry_sexp_dump (const gcry_sexp_t a); - -gcry_sexp_t gcry_sexp_cons (const gcry_sexp_t a, const gcry_sexp_t b); -gcry_sexp_t gcry_sexp_alist (const gcry_sexp_t *array); -gcry_sexp_t gcry_sexp_vlist (const gcry_sexp_t a, ...); -gcry_sexp_t gcry_sexp_append (const gcry_sexp_t a, const gcry_sexp_t n); -gcry_sexp_t gcry_sexp_prepend (const gcry_sexp_t a, const gcry_sexp_t n); - -/* Scan the S-expression for a sublist with a type (the car of the - list) matching the string TOKEN. If TOKLEN is not 0, the token is - assumed to be raw memory of this length. The function returns a - newly allocated S-expression consisting of the found sublist or - `NULL' when not found. */ -gcry_sexp_t gcry_sexp_find_token (gcry_sexp_t list, - const char *tok, size_t toklen); -/* Return the length of the LIST. For a valid S-expression this - should be at least 1. */ -int gcry_sexp_length (const gcry_sexp_t list); - -/* Create and return a new S-expression from the element with index - NUMBER in LIST. Note that the first element has the index 0. If - there is no such element, `NULL' is returned. */ -gcry_sexp_t gcry_sexp_nth (const gcry_sexp_t list, int number); - -/* Create and return a new S-expression from the first element in - LIST; this called the "type" and should always exist and be a - string. `NULL' is returned in case of a problem. */ -gcry_sexp_t gcry_sexp_car (const gcry_sexp_t list); - -/* Create and return a new list form all elements except for the first - one. Note, that this function may return an invalid S-expression - because it is not guaranteed, that the type exists and is a string. - However, for parsing a complex S-expression it might be useful for - intermediate lists. Returns `NULL' on error. */ -gcry_sexp_t gcry_sexp_cdr (const gcry_sexp_t list); - -gcry_sexp_t gcry_sexp_cadr (const gcry_sexp_t list); - - -/* This function is used to get data from a LIST. A pointer to the - actual data with index NUMBER is returned and the length of this - data will be stored to DATALEN. If there is no data at the given - index or the index represents another list, `NULL' is returned. - *Note:* The returned pointer is valid as long as LIST is not - modified or released. */ -const char *gcry_sexp_nth_data (const gcry_sexp_t list, int number, - size_t *datalen); - -/* This function is used to get and convert data from a LIST. The - data is assumed to be a Nul terminated string. The caller must - release the returned value using `gcry_free'. If there is no data - at the given index, the index represents a list or the value can't - be converted to a string, `NULL' is returned. */ -char *gcry_sexp_nth_string (gcry_sexp_t list, int number); - -/* This function is used to get and convert data from a LIST. This - data is assumed to be an MPI stored in the format described by - MPIFMT and returned as a standard Libgcrypt MPI. The caller must - release this returned value using `gcry_mpi_release'. If there is - no data at the given index, the index represents a list or the - value can't be converted to an MPI, `NULL' is returned. */ -gcry_mpi_t gcry_sexp_nth_mpi (gcry_sexp_t list, int number, int mpifmt); - - - -/******************************************* - * * - * Multi Precision Integer Functions * - * * - *******************************************/ - -/* Different formats of external big integer representation. */ -enum gcry_mpi_format - { - GCRYMPI_FMT_NONE= 0, - GCRYMPI_FMT_STD = 1, /* Twos complement stored without length. */ - GCRYMPI_FMT_PGP = 2, /* As used by OpenPGP (unsigned only). */ - GCRYMPI_FMT_SSH = 3, /* As used by SSH (like STD but with length). */ - GCRYMPI_FMT_HEX = 4, /* Hex format. */ - GCRYMPI_FMT_USG = 5 /* Like STD but unsigned. */ - }; - -/* Flags used for creating big integers. */ -enum gcry_mpi_flag - { - GCRYMPI_FLAG_SECURE = 1, /* Allocate the number in "secure" memory. */ - GCRYMPI_FLAG_OPAQUE = 2 /* The number is not a real one but just - a way to store some bytes. This is - useful for encrypted big integers. */ - }; - - -/* Allocate a new big integer object, initialize it with 0 and - initially allocate memory for a number of at least NBITS. */ -gcry_mpi_t gcry_mpi_new (unsigned int nbits); - -/* Same as gcry_mpi_new() but allocate in "secure" memory. */ -gcry_mpi_t gcry_mpi_snew (unsigned int nbits); - -/* Release the number A and free all associated resources. */ -void gcry_mpi_release (gcry_mpi_t a); - -/* Create a new number with the same value as A. */ -gcry_mpi_t gcry_mpi_copy (const gcry_mpi_t a); - -/* Store the big integer value U in W. */ -gcry_mpi_t gcry_mpi_set (gcry_mpi_t w, const gcry_mpi_t u); - -/* Store the unsigned integer value U in W. */ -gcry_mpi_t gcry_mpi_set_ui (gcry_mpi_t w, unsigned long u); - -/* Swap the values of A and B. */ -void gcry_mpi_swap (gcry_mpi_t a, gcry_mpi_t b); - -/* Compare the big integer number U and V returning 0 for equality, a - positive value for U > V and a negative for U < V. */ -int gcry_mpi_cmp (const gcry_mpi_t u, const gcry_mpi_t v); - -/* Compare the big integer number U with the unsigned integer V - returning 0 for equality, a positive value for U > V and a negative - for U < V. */ -int gcry_mpi_cmp_ui (const gcry_mpi_t u, unsigned long v); - -/* Convert the external representation of an integer stored in BUFFER - with a length of BUFLEN into a newly create MPI returned in - RET_MPI. If NSCANNED is not NULL, it will receive the number of - bytes actually scanned after a successful operation. */ -gcry_error_t gcry_mpi_scan (gcry_mpi_t *ret_mpi, enum gcry_mpi_format format, - const void *buffer, size_t buflen, - size_t *nscanned); - -/* Convert the big integer A into the external representation - described by FORMAT and store it in the provided BUFFER which has - been allocated by the user with a size of BUFLEN bytes. NWRITTEN - receives the actual length of the external representation unless it - has been passed as NULL. */ -gcry_error_t gcry_mpi_print (enum gcry_mpi_format format, - unsigned char *buffer, size_t buflen, - size_t *nwritten, - const gcry_mpi_t a); - -/* Convert the big integer A int the external representation described - by FORMAT and store it in a newly allocated buffer which address - will be put into BUFFER. NWRITTEN receives the actual lengths of the - external representation. */ -gcry_error_t gcry_mpi_aprint (enum gcry_mpi_format format, - unsigned char **buffer, size_t *nwritten, - const gcry_mpi_t a); - -/* Dump the value of A in a format suitable for debugging to - Libgcrypt's logging stream. Note that one leading space but no - trailing space or linefeed will be printed. It is okay to pass - NULL for A. */ -void gcry_mpi_dump (const gcry_mpi_t a); - - -/* W = U + V. */ -void gcry_mpi_add (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v); - -/* W = U + V. V is an unsigned integer. */ -void gcry_mpi_add_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v); - -/* W = U + V mod M. */ -void gcry_mpi_addm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m); - -/* W = U - V. */ -void gcry_mpi_sub (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v); - -/* W = U - V. V is an unsigned integer. */ -void gcry_mpi_sub_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v ); - -/* W = U - V mod M */ -void gcry_mpi_subm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m); - -/* W = U * V. */ -void gcry_mpi_mul (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v); - -/* W = U * V. V is an unsigned integer. */ -void gcry_mpi_mul_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v ); - -/* W = U * V mod M. */ -void gcry_mpi_mulm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m); - -/* W = U * (2 ^ CNT). */ -void gcry_mpi_mul_2exp (gcry_mpi_t w, gcry_mpi_t u, unsigned long cnt); - -/* Q = DIVIDEND / DIVISOR, R = DIVIDEND % DIVISOR, - Q or R may be passed as NULL. ROUND should be negative or 0. */ -void gcry_mpi_div (gcry_mpi_t q, gcry_mpi_t r, - gcry_mpi_t dividend, gcry_mpi_t divisor, int round); - -/* R = DIVIDEND % DIVISOR */ -void gcry_mpi_mod (gcry_mpi_t r, gcry_mpi_t dividend, gcry_mpi_t divisor); - -/* W = B ^ E mod M. */ -void gcry_mpi_powm (gcry_mpi_t w, - const gcry_mpi_t b, const gcry_mpi_t e, - const gcry_mpi_t m); - -/* Set G to the greatest common divisor of A and B. - Return true if the G is 1. */ -int gcry_mpi_gcd (gcry_mpi_t g, gcry_mpi_t a, gcry_mpi_t b); - -/* Set X to the multiplicative inverse of A mod M. - Return true if the value exists. */ -int gcry_mpi_invm (gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t m); - - -/* Return the number of bits required to represent A. */ -unsigned int gcry_mpi_get_nbits (gcry_mpi_t a); - -/* Return true when bit number N (counting from 0) is set in A. */ -int gcry_mpi_test_bit (gcry_mpi_t a, unsigned int n); - -/* Set bit number N in A. */ -void gcry_mpi_set_bit (gcry_mpi_t a, unsigned int n); - -/* Clear bit number N in A. */ -void gcry_mpi_clear_bit (gcry_mpi_t a, unsigned int n); - -/* Set bit number N in A and clear all bits greater than N. */ -void gcry_mpi_set_highbit (gcry_mpi_t a, unsigned int n); - -/* Clear bit number N in A and all bits greater than N. */ -void gcry_mpi_clear_highbit (gcry_mpi_t a, unsigned int n); - -/* Shift the value of A by N bits to the right and store the result in X. */ -void gcry_mpi_rshift (gcry_mpi_t x, gcry_mpi_t a, unsigned int n); - -/* Shift the value of A by N bits to the left and store the result in X. */ -void gcry_mpi_lshift (gcry_mpi_t x, gcry_mpi_t a, unsigned int n); - -/* Store NBITS of the value P points to in A and mark A as an opaque - value. WARNING: Never use an opaque MPI for anything thing else then - gcry_mpi_release, gcry_mpi_get_opaque. */ -gcry_mpi_t gcry_mpi_set_opaque (gcry_mpi_t a, void *p, unsigned int nbits); - -/* Return a pointer to an opaque value stored in A and return its size - in NBITS. Note that the returned pointer is still owned by A and - that the function should never be used for an non-opaque MPI. */ -void *gcry_mpi_get_opaque (gcry_mpi_t a, unsigned int *nbits); - -/* Set the FLAG for the big integer A. Currently only the flag - GCRYMPI_FLAG_SECURE is allowed to convert A into an big intger - stored in "secure" memory. */ -void gcry_mpi_set_flag (gcry_mpi_t a, enum gcry_mpi_flag flag); - -/* Clear FLAG for the big integer A. Note that this function is - currently useless as no flags are allowed. */ -void gcry_mpi_clear_flag (gcry_mpi_t a, enum gcry_mpi_flag flag); - -/* Return true when the FLAG is set for A. */ -int gcry_mpi_get_flag (gcry_mpi_t a, enum gcry_mpi_flag flag); - -/* Unless the GCRYPT_NO_MPI_MACROS is used, provide a couple of - convenience macros for the big integer functions. */ -#ifndef GCRYPT_NO_MPI_MACROS -#define mpi_new(n) gcry_mpi_new( (n) ) -#define mpi_secure_new( n ) gcry_mpi_snew( (n) ) -#define mpi_release(a) \ - do \ - { \ - gcry_mpi_release ((a)); \ - (a) = NULL; \ - } \ - while (0) - -#define mpi_copy( a ) gcry_mpi_copy( (a) ) -#define mpi_set( w, u) gcry_mpi_set( (w), (u) ) -#define mpi_set_ui( w, u) gcry_mpi_set_ui( (w), (u) ) -#define mpi_cmp( u, v ) gcry_mpi_cmp( (u), (v) ) -#define mpi_cmp_ui( u, v ) gcry_mpi_cmp_ui( (u), (v) ) - -#define mpi_add_ui(w,u,v) gcry_mpi_add_ui((w),(u),(v)) -#define mpi_add(w,u,v) gcry_mpi_add ((w),(u),(v)) -#define mpi_addm(w,u,v,m) gcry_mpi_addm ((w),(u),(v),(m)) -#define mpi_sub_ui(w,u,v) gcry_mpi_sub_ui ((w),(u),(v)) -#define mpi_sub(w,u,v) gcry_mpi_sub ((w),(u),(v)) -#define mpi_subm(w,u,v,m) gcry_mpi_subm ((w),(u),(v),(m)) -#define mpi_mul_ui(w,u,v) gcry_mpi_mul_ui ((w),(u),(v)) -#define mpi_mul_2exp(w,u,v) gcry_mpi_mul_2exp ((w),(u),(v)) -#define mpi_mul(w,u,v) gcry_mpi_mul ((w),(u),(v)) -#define mpi_mulm(w,u,v,m) gcry_mpi_mulm ((w),(u),(v),(m)) -#define mpi_powm(w,b,e,m) gcry_mpi_powm ( (w), (b), (e), (m) ) -#define mpi_tdiv(q,r,a,m) gcry_mpi_div ( (q), (r), (a), (m), 0) -#define mpi_fdiv(q,r,a,m) gcry_mpi_div ( (q), (r), (a), (m), -1) -#define mpi_mod(r,a,m) gcry_mpi_mod ((r), (a), (m)) -#define mpi_gcd(g,a,b) gcry_mpi_gcd ( (g), (a), (b) ) -#define mpi_invm(g,a,b) gcry_mpi_invm ( (g), (a), (b) ) - -#define mpi_get_nbits(a) gcry_mpi_get_nbits ((a)) -#define mpi_test_bit(a,b) gcry_mpi_test_bit ((a),(b)) -#define mpi_set_bit(a,b) gcry_mpi_set_bit ((a),(b)) -#define mpi_set_highbit(a,b) gcry_mpi_set_highbit ((a),(b)) -#define mpi_clear_bit(a,b) gcry_mpi_clear_bit ((a),(b)) -#define mpi_clear_highbit(a,b) gcry_mpi_clear_highbit ((a),(b)) -#define mpi_rshift(a,b,c) gcry_mpi_rshift ((a),(b),(c)) -#define mpi_lshift(a,b,c) gcry_mpi_lshift ((a),(b),(c)) - -#define mpi_set_opaque(a,b,c) gcry_mpi_set_opaque( (a), (b), (c) ) -#define mpi_get_opaque(a,b) gcry_mpi_get_opaque( (a), (b) ) -#endif /* GCRYPT_NO_MPI_MACROS */ - - - -/************************************ - * * - * Symmetric Cipher Functions * - * * - ************************************/ - -/* The data object used to hold a handle to an encryption object. */ -struct gcry_cipher_handle; -typedef struct gcry_cipher_handle *gcry_cipher_hd_t; - -#ifndef GCRYPT_NO_DEPRECATED -typedef struct gcry_cipher_handle *GCRY_CIPHER_HD _GCRY_GCC_ATTR_DEPRECATED; -typedef struct gcry_cipher_handle *GcryCipherHd _GCRY_GCC_ATTR_DEPRECATED; -#endif - -/* All symmetric encryption algorithms are identified by their IDs. - More IDs may be registered at runtime. */ -enum gcry_cipher_algos - { - GCRY_CIPHER_NONE = 0, - GCRY_CIPHER_IDEA = 1, - GCRY_CIPHER_3DES = 2, - GCRY_CIPHER_CAST5 = 3, - GCRY_CIPHER_BLOWFISH = 4, - GCRY_CIPHER_SAFER_SK128 = 5, - GCRY_CIPHER_DES_SK = 6, - GCRY_CIPHER_AES = 7, - GCRY_CIPHER_AES192 = 8, - GCRY_CIPHER_AES256 = 9, - GCRY_CIPHER_TWOFISH = 10, - - /* Other cipher numbers are above 300 for OpenPGP reasons. */ - GCRY_CIPHER_ARCFOUR = 301, /* Fully compatible with RSA's RC4 (tm). */ - GCRY_CIPHER_DES = 302, /* Yes, this is single key 56 bit DES. */ - GCRY_CIPHER_TWOFISH128 = 303, - GCRY_CIPHER_SERPENT128 = 304, - GCRY_CIPHER_SERPENT192 = 305, - GCRY_CIPHER_SERPENT256 = 306, - GCRY_CIPHER_RFC2268_40 = 307, /* Ron's Cipher 2 (40 bit). */ - GCRY_CIPHER_RFC2268_128 = 308, /* Ron's Cipher 2 (128 bit). */ - GCRY_CIPHER_SEED = 309, /* 128 bit cipher described in RFC4269. */ - GCRY_CIPHER_CAMELLIA128 = 310, - GCRY_CIPHER_CAMELLIA192 = 311, - GCRY_CIPHER_CAMELLIA256 = 312 - }; - -/* The Rijndael algorithm is basically AES, so provide some macros. */ -#define GCRY_CIPHER_AES128 GCRY_CIPHER_AES -#define GCRY_CIPHER_RIJNDAEL GCRY_CIPHER_AES -#define GCRY_CIPHER_RIJNDAEL128 GCRY_CIPHER_AES128 -#define GCRY_CIPHER_RIJNDAEL192 GCRY_CIPHER_AES192 -#define GCRY_CIPHER_RIJNDAEL256 GCRY_CIPHER_AES256 - -/* The supported encryption modes. Note that not all of them are - supported for each algorithm. */ -enum gcry_cipher_modes - { - GCRY_CIPHER_MODE_NONE = 0, /* Not yet specified. */ - GCRY_CIPHER_MODE_ECB = 1, /* Electronic codebook. */ - GCRY_CIPHER_MODE_CFB = 2, /* Cipher feedback. */ - GCRY_CIPHER_MODE_CBC = 3, /* Cipher block chaining. */ - GCRY_CIPHER_MODE_STREAM = 4, /* Used with stream ciphers. */ - GCRY_CIPHER_MODE_OFB = 5, /* Outer feedback. */ - GCRY_CIPHER_MODE_CTR = 6, /* Counter. */ - GCRY_CIPHER_MODE_AESWRAP= 7 /* AES-WRAP algorithm. */ - }; - -/* Flags used with the open function. */ -enum gcry_cipher_flags - { - GCRY_CIPHER_SECURE = 1, /* Allocate in secure memory. */ - GCRY_CIPHER_ENABLE_SYNC = 2, /* Enable CFB sync mode. */ - GCRY_CIPHER_CBC_CTS = 4, /* Enable CBC cipher text stealing (CTS). */ - GCRY_CIPHER_CBC_MAC = 8 /* Enable CBC message auth. code (MAC). */ - }; - - -/* Create a handle for algorithm ALGO to be used in MODE. FLAGS may - be given as an bitwise OR of the gcry_cipher_flags values. */ -gcry_error_t gcry_cipher_open (gcry_cipher_hd_t *handle, - int algo, int mode, unsigned int flags); - -/* Close the cioher handle H and release all resource. */ -void gcry_cipher_close (gcry_cipher_hd_t h); - -/* Perform various operations on the cipher object H. */ -gcry_error_t gcry_cipher_ctl (gcry_cipher_hd_t h, int cmd, void *buffer, - size_t buflen); - -/* Retrieve various information about the cipher object H. */ -gcry_error_t gcry_cipher_info (gcry_cipher_hd_t h, int what, void *buffer, - size_t *nbytes); - -/* Retrieve various information about the cipher algorithm ALGO. */ -gcry_error_t gcry_cipher_algo_info (int algo, int what, void *buffer, - size_t *nbytes); - -/* Map the cipher algorithm whose ID is contained in ALGORITHM to a - string representation of the algorithm name. For unknown algorithm - IDs this function returns "?". */ -const char *gcry_cipher_algo_name (int algorithm) _GCRY_GCC_ATTR_PURE; - -/* Map the algorithm name NAME to an cipher algorithm ID. Return 0 if - the algorithm name is not known. */ -int gcry_cipher_map_name (const char *name) _GCRY_GCC_ATTR_PURE; - -/* Given an ASN.1 object identifier in standard IETF dotted decimal - format in STRING, return the encryption mode associated with that - OID or 0 if not known or applicable. */ -int gcry_cipher_mode_from_oid (const char *string) _GCRY_GCC_ATTR_PURE; - -/* Encrypt the plaintext of size INLEN in IN using the cipher handle H - into the buffer OUT which has an allocated length of OUTSIZE. For - most algorithms it is possible to pass NULL for in and 0 for INLEN - and do a in-place decryption of the data provided in OUT. */ -gcry_error_t gcry_cipher_encrypt (gcry_cipher_hd_t h, - void *out, size_t outsize, - const void *in, size_t inlen); - -/* The counterpart to gcry_cipher_encrypt. */ -gcry_error_t gcry_cipher_decrypt (gcry_cipher_hd_t h, - void *out, size_t outsize, - const void *in, size_t inlen); - -/* Set KEY of length KEYLEN bytes for the cipher handle HD. */ -gcry_error_t gcry_cipher_setkey (gcry_cipher_hd_t hd, - const void *key, size_t keylen); - - -/* Set initialization vector IV of length IVLEN for the cipher handle HD. */ -gcry_error_t gcry_cipher_setiv (gcry_cipher_hd_t hd, - const void *iv, size_t ivlen); - - -/* Reset the handle to the state after open. */ -#define gcry_cipher_reset(h) gcry_cipher_ctl ((h), GCRYCTL_RESET, NULL, 0) - -/* Perform the OpenPGP sync operation if this is enabled for the - cipher handle H. */ -#define gcry_cipher_sync(h) gcry_cipher_ctl( (h), GCRYCTL_CFB_SYNC, NULL, 0) - -/* Enable or disable CTS in future calls to gcry_encrypt(). CBC mode only. */ -#define gcry_cipher_cts(h,on) gcry_cipher_ctl( (h), GCRYCTL_SET_CBC_CTS, \ - NULL, on ) - -/* Set counter for CTR mode. (CTR,CTRLEN) must denote a buffer of - block size length, or (NULL,0) to set the CTR to the all-zero block. */ -gpg_error_t gcry_cipher_setctr (gcry_cipher_hd_t hd, - const void *ctr, size_t ctrlen); - -/* Retrieve the key length in bytes used with algorithm A. */ -size_t gcry_cipher_get_algo_keylen (int algo); - -/* Retrieve the block length in bytes used with algorithm A. */ -size_t gcry_cipher_get_algo_blklen (int algo); - -/* Return 0 if the algorithm A is available for use. */ -#define gcry_cipher_test_algo(a) \ - gcry_cipher_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL ) - - -/************************************ - * * - * Asymmetric Cipher Functions * - * * - ************************************/ - -/* The algorithms and their IDs we support. */ -enum gcry_pk_algos - { - GCRY_PK_RSA = 1, - GCRY_PK_RSA_E = 2, /* (deprecated) */ - GCRY_PK_RSA_S = 3, /* (deprecated) */ - GCRY_PK_ELG_E = 16, - GCRY_PK_DSA = 17, - GCRY_PK_ELG = 20, - GCRY_PK_ECDSA = 301, - GCRY_PK_ECDH = 302 - }; - -/* Flags describing usage capabilities of a PK algorithm. */ -#define GCRY_PK_USAGE_SIGN 1 /* Good for signatures. */ -#define GCRY_PK_USAGE_ENCR 2 /* Good for encryption. */ -#define GCRY_PK_USAGE_CERT 4 /* Good to certify other keys. */ -#define GCRY_PK_USAGE_AUTH 8 /* Good for authentication. */ -#define GCRY_PK_USAGE_UNKN 128 /* Unknown usage flag. */ - -/* Encrypt the DATA using the public key PKEY and store the result as - a newly created S-expression at RESULT. */ -gcry_error_t gcry_pk_encrypt (gcry_sexp_t *result, - gcry_sexp_t data, gcry_sexp_t pkey); - -/* Decrypt the DATA using the private key SKEY and store the result as - a newly created S-expression at RESULT. */ -gcry_error_t gcry_pk_decrypt (gcry_sexp_t *result, - gcry_sexp_t data, gcry_sexp_t skey); - -/* Sign the DATA using the private key SKEY and store the result as - a newly created S-expression at RESULT. */ -gcry_error_t gcry_pk_sign (gcry_sexp_t *result, - gcry_sexp_t data, gcry_sexp_t skey); - -/* Check the signature SIGVAL on DATA using the public key PKEY. */ -gcry_error_t gcry_pk_verify (gcry_sexp_t sigval, - gcry_sexp_t data, gcry_sexp_t pkey); - -/* Check that private KEY is sane. */ -gcry_error_t gcry_pk_testkey (gcry_sexp_t key); - -/* Generate a new key pair according to the parameters given in - S_PARMS. The new key pair is returned in as an S-expression in - R_KEY. */ -gcry_error_t gcry_pk_genkey (gcry_sexp_t *r_key, gcry_sexp_t s_parms); - -/* Catch all function for miscellaneous operations. */ -gcry_error_t gcry_pk_ctl (int cmd, void *buffer, size_t buflen); - -/* Retrieve information about the public key algorithm ALGO. */ -gcry_error_t gcry_pk_algo_info (int algo, int what, - void *buffer, size_t *nbytes); - -/* Map the public key algorithm whose ID is contained in ALGORITHM to - a string representation of the algorithm name. For unknown - algorithm IDs this functions returns "?". */ -const char *gcry_pk_algo_name (int algorithm) _GCRY_GCC_ATTR_PURE; - -/* Map the algorithm NAME to a public key algorithm Id. Return 0 if - the algorithm name is not known. */ -int gcry_pk_map_name (const char* name) _GCRY_GCC_ATTR_PURE; - -/* Return what is commonly referred as the key length for the given - public or private KEY. */ -unsigned int gcry_pk_get_nbits (gcry_sexp_t key) _GCRY_GCC_ATTR_PURE; - -/* Please note that keygrip is still experimental and should not be - used without contacting the author. */ -unsigned char *gcry_pk_get_keygrip (gcry_sexp_t key, unsigned char *array); - -/* Return the name of the curve matching KEY. */ -const char *gcry_pk_get_curve (gcry_sexp_t key, int iterator, - unsigned int *r_nbits); - -/* Return an S-expression with the parameters of the named ECC curve - NAME. ALGO must be set to an ECC algorithm. */ -gcry_sexp_t gcry_pk_get_param (int algo, const char *name); - -/* Return 0 if the public key algorithm A is available for use. */ -#define gcry_pk_test_algo(a) \ - gcry_pk_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL ) - - - - -/************************************ - * * - * Cryptograhic Hash Functions * - * * - ************************************/ - -/* Algorithm IDs for the hash functions we know about. Not all of them - are implemnted. */ -enum gcry_md_algos - { - GCRY_MD_NONE = 0, - GCRY_MD_MD5 = 1, - GCRY_MD_SHA1 = 2, - GCRY_MD_RMD160 = 3, - GCRY_MD_MD2 = 5, - GCRY_MD_TIGER = 6, /* TIGER/192 as used by gpg <= 1.3.2. */ - GCRY_MD_HAVAL = 7, /* HAVAL, 5 pass, 160 bit. */ - GCRY_MD_SHA256 = 8, - GCRY_MD_SHA384 = 9, - GCRY_MD_SHA512 = 10, - GCRY_MD_SHA224 = 11, - GCRY_MD_MD4 = 301, - GCRY_MD_CRC32 = 302, - GCRY_MD_CRC32_RFC1510 = 303, - GCRY_MD_CRC24_RFC2440 = 304, - GCRY_MD_WHIRLPOOL = 305, - GCRY_MD_TIGER1 = 306, /* TIGER fixed. */ - GCRY_MD_TIGER2 = 307 /* TIGER2 variant. */ - }; - -/* Flags used with the open function. */ -enum gcry_md_flags - { - GCRY_MD_FLAG_SECURE = 1, /* Allocate all buffers in "secure" memory. */ - GCRY_MD_FLAG_HMAC = 2 /* Make an HMAC out of this algorithm. */ - }; - -/* (Forward declaration.) */ -struct gcry_md_context; - -/* This object is used to hold a handle to a message digest object. - This structure is private - only to be used by the public gcry_md_* - macros. */ -typedef struct gcry_md_handle -{ - /* Actual context. */ - struct gcry_md_context *ctx; - - /* Buffer management. */ - int bufpos; - int bufsize; - unsigned char buf[1]; -} *gcry_md_hd_t; - -/* Compatibility types, do not use them. */ -#ifndef GCRYPT_NO_DEPRECATED -typedef struct gcry_md_handle *GCRY_MD_HD _GCRY_GCC_ATTR_DEPRECATED; -typedef struct gcry_md_handle *GcryMDHd _GCRY_GCC_ATTR_DEPRECATED; -#endif - -/* Create a message digest object for algorithm ALGO. FLAGS may be - given as an bitwise OR of the gcry_md_flags values. ALGO may be - given as 0 if the algorithms to be used are later set using - gcry_md_enable. */ -gcry_error_t gcry_md_open (gcry_md_hd_t *h, int algo, unsigned int flags); - -/* Release the message digest object HD. */ -void gcry_md_close (gcry_md_hd_t hd); - -/* Add the message digest algorithm ALGO to the digest object HD. */ -gcry_error_t gcry_md_enable (gcry_md_hd_t hd, int algo); - -/* Create a new digest object as an exact copy of the object HD. */ -gcry_error_t gcry_md_copy (gcry_md_hd_t *bhd, gcry_md_hd_t ahd); - -/* Reset the digest object HD to its initial state. */ -void gcry_md_reset (gcry_md_hd_t hd); - -/* Perform various operations on the digest object HD. */ -gcry_error_t gcry_md_ctl (gcry_md_hd_t hd, int cmd, - void *buffer, size_t buflen); - -/* Pass LENGTH bytes of data in BUFFER to the digest object HD so that - it can update the digest values. This is the actual hash - function. */ -void gcry_md_write (gcry_md_hd_t hd, const void *buffer, size_t length); - -/* Read out the final digest from HD return the digest value for - algorithm ALGO. */ -unsigned char *gcry_md_read (gcry_md_hd_t hd, int algo); - -/* Convenience function to calculate the hash from the data in BUFFER - of size LENGTH using the algorithm ALGO avoiding the creating of a - hash object. The hash is returned in the caller provided buffer - DIGEST which must be large enough to hold the digest of the given - algorithm. */ -void gcry_md_hash_buffer (int algo, void *digest, - const void *buffer, size_t length); - -/* Retrieve the algorithm used with HD. This does not work reliable - if more than one algorithm is enabled in HD. */ -int gcry_md_get_algo (gcry_md_hd_t hd); - -/* Retrieve the length in bytes of the digest yielded by algorithm - ALGO. */ -unsigned int gcry_md_get_algo_dlen (int algo); - -/* Return true if the the algorithm ALGO is enabled in the digest - object A. */ -int gcry_md_is_enabled (gcry_md_hd_t a, int algo); - -/* Return true if the digest object A is allocated in "secure" memory. */ -int gcry_md_is_secure (gcry_md_hd_t a); - -/* Retrieve various information about the object H. */ -gcry_error_t gcry_md_info (gcry_md_hd_t h, int what, void *buffer, - size_t *nbytes); - -/* Retrieve various information about the algorithm ALGO. */ -gcry_error_t gcry_md_algo_info (int algo, int what, void *buffer, - size_t *nbytes); - -/* Map the digest algorithm id ALGO to a string representation of the - algorithm name. For unknown algorithms this function returns - "?". */ -const char *gcry_md_algo_name (int algo) _GCRY_GCC_ATTR_PURE; - -/* Map the algorithm NAME to a digest algorithm Id. Return 0 if - the algorithm name is not known. */ -int gcry_md_map_name (const char* name) _GCRY_GCC_ATTR_PURE; - -/* For use with the HMAC feature, the set MAC key to the KEY of - KEYLEN bytes. */ -gcry_error_t gcry_md_setkey (gcry_md_hd_t hd, const void *key, size_t keylen); - -/* Start or stop debugging for digest handle HD; i.e. create a file - named dbgmd-. while hashing. If SUFFIX is NULL, - debugging stops and the file will be closed. */ -void gcry_md_debug (gcry_md_hd_t hd, const char *suffix); - - -/* Update the hash(s) of H with the character C. This is a buffered - version of the gcry_md_write function. */ -#define gcry_md_putc(h,c) \ - do { \ - gcry_md_hd_t h__ = (h); \ - if( (h__)->bufpos == (h__)->bufsize ) \ - gcry_md_write( (h__), NULL, 0 ); \ - (h__)->buf[(h__)->bufpos++] = (c) & 0xff; \ - } while(0) - -/* Finalize the digest calculation. This is not really needed because - gcry_md_read() does this implicitly. */ -#define gcry_md_final(a) \ - gcry_md_ctl ((a), GCRYCTL_FINALIZE, NULL, 0) - -/* Return 0 if the algorithm A is available for use. */ -#define gcry_md_test_algo(a) \ - gcry_md_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL ) - -/* Return an DER encoded ASN.1 OID for the algorithm A in buffer B. N - must point to size_t variable with the available size of buffer B. - After return it will receive the actual size of the returned - OID. */ -#define gcry_md_get_asnoid(a,b,n) \ - gcry_md_algo_info((a), GCRYCTL_GET_ASNOID, (b), (n)) - - - -/****************************** - * * - * Key Derivation Functions * - * * - ******************************/ - -/* Algorithm IDs for the KDFs. */ -enum gcry_kdf_algos - { - GCRY_KDF_NONE = 0, - GCRY_KDF_SIMPLE_S2K = 16, - GCRY_KDF_SALTED_S2K = 17, - GCRY_KDF_ITERSALTED_S2K = 19, - GCRY_KDF_PBKDF1 = 33, - GCRY_KDF_PBKDF2 = 34 - }; - -/* Derive a key from a passphrase. */ -gpg_error_t gcry_kdf_derive (const void *passphrase, size_t passphraselen, - int algo, int subalgo, - const void *salt, size_t saltlen, - unsigned long iterations, - size_t keysize, void *keybuffer); - - - - -/************************************ - * * - * Random Generating Functions * - * * - ************************************/ - -/* The possible values for the random quality. The rule of thumb is - to use STRONG for session keys and VERY_STRONG for key material. - WEAK is usually an alias for STRONG and should not be used anymore - (except with gcry_mpi_randomize); use gcry_create_nonce instead. */ -typedef enum gcry_random_level - { - GCRY_WEAK_RANDOM = 0, - GCRY_STRONG_RANDOM = 1, - GCRY_VERY_STRONG_RANDOM = 2 - } -gcry_random_level_t; - -/* Fill BUFFER with LENGTH bytes of random, using random numbers of - quality LEVEL. */ -void gcry_randomize (void *buffer, size_t length, - enum gcry_random_level level); - -/* Add the external random from BUFFER with LENGTH bytes into the - pool. QUALITY should either be -1 for unknown or in the range of 0 - to 100 */ -gcry_error_t gcry_random_add_bytes (const void *buffer, size_t length, - int quality); - -/* If random numbers are used in an application, this macro should be - called from time to time so that new stuff gets added to the - internal pool of the RNG. */ -#define gcry_fast_random_poll() gcry_control (GCRYCTL_FAST_POLL, NULL) - - -/* Return NBYTES of allocated random using a random numbers of quality - LEVEL. */ -void *gcry_random_bytes (size_t nbytes, enum gcry_random_level level) - _GCRY_GCC_ATTR_MALLOC; - -/* Return NBYTES of allocated random using a random numbers of quality - LEVEL. The random numbers are created returned in "secure" - memory. */ -void *gcry_random_bytes_secure (size_t nbytes, enum gcry_random_level level) - _GCRY_GCC_ATTR_MALLOC; - - -/* Set the big integer W to a random value of NBITS using a random - generator with quality LEVEL. Note that by using a level of - GCRY_WEAK_RANDOM gcry_create_nonce is used internally. */ -void gcry_mpi_randomize (gcry_mpi_t w, - unsigned int nbits, enum gcry_random_level level); - - -/* Create an unpredicable nonce of LENGTH bytes in BUFFER. */ -void gcry_create_nonce (void *buffer, size_t length); - - - - - -/*******************************/ -/* */ -/* Prime Number Functions */ -/* */ -/*******************************/ - -/* Mode values passed to a gcry_prime_check_func_t. */ -#define GCRY_PRIME_CHECK_AT_FINISH 0 -#define GCRY_PRIME_CHECK_AT_GOT_PRIME 1 -#define GCRY_PRIME_CHECK_AT_MAYBE_PRIME 2 - -/* The function should return 1 if the operation shall continue, 0 to - reject the prime candidate. */ -typedef int (*gcry_prime_check_func_t) (void *arg, int mode, - gcry_mpi_t candidate); - -/* Flags for gcry_prime_generate(): */ - -/* Allocate prime numbers and factors in secure memory. */ -#define GCRY_PRIME_FLAG_SECRET (1 << 0) - -/* Make sure that at least one prime factor is of size - `FACTOR_BITS'. */ -#define GCRY_PRIME_FLAG_SPECIAL_FACTOR (1 << 1) - -/* Generate a new prime number of PRIME_BITS bits and store it in - PRIME. If FACTOR_BITS is non-zero, one of the prime factors of - (prime - 1) / 2 must be FACTOR_BITS bits long. If FACTORS is - non-zero, allocate a new, NULL-terminated array holding the prime - factors and store it in FACTORS. FLAGS might be used to influence - the prime number generation process. */ -gcry_error_t gcry_prime_generate (gcry_mpi_t *prime, - unsigned int prime_bits, - unsigned int factor_bits, - gcry_mpi_t **factors, - gcry_prime_check_func_t cb_func, - void *cb_arg, - gcry_random_level_t random_level, - unsigned int flags); - -/* Find a generator for PRIME where the factorization of (prime-1) is - in the NULL terminated array FACTORS. Return the generator as a - newly allocated MPI in R_G. If START_G is not NULL, use this as - teh start for the search. */ -gcry_error_t gcry_prime_group_generator (gcry_mpi_t *r_g, - gcry_mpi_t prime, - gcry_mpi_t *factors, - gcry_mpi_t start_g); - - -/* Convenience function to release the FACTORS array. */ -void gcry_prime_release_factors (gcry_mpi_t *factors); - - -/* Check wether the number X is prime. */ -gcry_error_t gcry_prime_check (gcry_mpi_t x, unsigned int flags); - - - -/************************************ - * * - * Miscellaneous Stuff * - * * - ************************************/ - -/* Log levels used by the internal logging facility. */ -enum gcry_log_levels - { - GCRY_LOG_CONT = 0, /* (Continue the last log line.) */ - GCRY_LOG_INFO = 10, - GCRY_LOG_WARN = 20, - GCRY_LOG_ERROR = 30, - GCRY_LOG_FATAL = 40, - GCRY_LOG_BUG = 50, - GCRY_LOG_DEBUG = 100 - }; - -/* Type for progress handlers. */ -typedef void (*gcry_handler_progress_t) (void *, const char *, int, int, int); - -/* Type for memory allocation handlers. */ -typedef void *(*gcry_handler_alloc_t) (size_t n); - -/* Type for secure memory check handlers. */ -typedef int (*gcry_handler_secure_check_t) (const void *); - -/* Type for memory reallocation handlers. */ -typedef void *(*gcry_handler_realloc_t) (void *p, size_t n); - -/* Type for memory free handlers. */ -typedef void (*gcry_handler_free_t) (void *); - -/* Type for out-of-memory handlers. */ -typedef int (*gcry_handler_no_mem_t) (void *, size_t, unsigned int); - -/* Type for fatal error handlers. */ -typedef void (*gcry_handler_error_t) (void *, int, const char *); - -/* Type for logging handlers. */ -typedef void (*gcry_handler_log_t) (void *, int, const char *, va_list); - -/* Certain operations can provide progress information. This function - is used to register a handler for retrieving these information. */ -void gcry_set_progress_handler (gcry_handler_progress_t cb, void *cb_data); - - -/* Register a custom memory allocation functions. */ -void gcry_set_allocation_handler ( - gcry_handler_alloc_t func_alloc, - gcry_handler_alloc_t func_alloc_secure, - gcry_handler_secure_check_t func_secure_check, - gcry_handler_realloc_t func_realloc, - gcry_handler_free_t func_free); - -/* Register a function used instead of the internal out of memory - handler. */ -void gcry_set_outofcore_handler (gcry_handler_no_mem_t h, void *opaque); - -/* Register a function used instead of the internal fatal error - handler. */ -void gcry_set_fatalerror_handler (gcry_handler_error_t fnc, void *opaque); - -/* Register a function used instead of the internal logging - facility. */ -void gcry_set_log_handler (gcry_handler_log_t f, void *opaque); - -/* Reserved for future use. */ -void gcry_set_gettext_handler (const char *(*f)(const char*)); - -/* Libgcrypt uses its own memory allocation. It is important to use - gcry_free () to release memory allocated by libgcrypt. */ -void *gcry_malloc (size_t n) _GCRY_GCC_ATTR_MALLOC; -void *gcry_calloc (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC; -void *gcry_malloc_secure (size_t n) _GCRY_GCC_ATTR_MALLOC; -void *gcry_calloc_secure (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC; -void *gcry_realloc (void *a, size_t n); -char *gcry_strdup (const char *string) _GCRY_GCC_ATTR_MALLOC; -void *gcry_xmalloc (size_t n) _GCRY_GCC_ATTR_MALLOC; -void *gcry_xcalloc (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC; -void *gcry_xmalloc_secure (size_t n) _GCRY_GCC_ATTR_MALLOC; -void *gcry_xcalloc_secure (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC; -void *gcry_xrealloc (void *a, size_t n); -char *gcry_xstrdup (const char * a) _GCRY_GCC_ATTR_MALLOC; -void gcry_free (void *a); - -/* Return true if A is allocated in "secure" memory. */ -int gcry_is_secure (const void *a) _GCRY_GCC_ATTR_PURE; - -/* Return true if Libgcrypt is in FIPS mode. */ -#define gcry_fips_mode_active() !!gcry_control (GCRYCTL_FIPS_MODE_P, 0) - - -#if 0 /* (Keep Emacsens' auto-indent happy.) */ -{ -#endif -#ifdef __cplusplus -} -#endif -#endif /* _GCRYPT_H */ -/* -@emacs_local_vars_begin@ -@emacs_local_vars_read_only@ -@emacs_local_vars_end@ -*/ -- 1.8.1.4