[Announce] Libgcrypt 1.1.42 released

Thu Jul 31 16:04:03 CEST 2003

We are pleased to announce version 1.1.42 of Libgcrypt, a general
purpose cryptography library based on the code used in GnuPG. It may
be downloaded from the following locations:

 ftp://ftp.gnupg.org/gcrypt/alpha/libgcrypt-1.1.42.tar.gz (802k)
 ftp://ftp.gnupg.org/gcrypt/alpha/libgcrypt-1.1.42.tar.gz.sig

or as a diff to the last released version (1.1.12):

 ftp://ftp.gnupg.org/gcrypt/alpha/libgcrypt-1.1.12-1.1.42.diff.gz (438k)

The files should soon appear on the mirrors listed at
http://www.gnupg.org/mirrors.html.  PLEASE USE THOSE MIRRORS!

MD5 checksums are:

b683557ce243bf6e1fe30515ed642c57  libgcrypt-1.1.42.tar.gz
8ceabc5edea6d92519423a525deb15f8  libgcrypt-1.1.12-1.1.42.diff.gz

Bug reports and requests for assistance should be sent to
gcrypt-devel at gnupg.org.

PLEASE NOTE: This is still marked as an unstable development version.

This release of Libgcrypt contains several important API changes,
please see below for details.

Noteworthy changes since version 1.1.12
---------------------------------------

 All types have been renamed to conform to the GNU coding standards,
 most of the time by keeping the whole name in lowercase and inserting
 underscores between words.

 The concept of a Libgcrypt specific `errno' variable has been dropped
 entirely.  Functions that used to set this errno variable, return an
 appropriate error code directly.

 Libgcrypt depends on libgpg-error, a library that provides error codes
 and according functions for all GnuPG components.  Functions that used
 to return error codes asa `int' have been changed to return a code of
 type `gcry_error_t'.

 A new interface for the use of asymmetric cryptography is included.

 Backward compatibility is provided where it was possible without too
 much effort and did not collide with the overall sanitization effort.
 However, this is only for ease of transition.  NO DEPRECATED FUNCTION
 OR DATA TYPE IS CONSIDERED A PART OF THE API OR ABI AND WILL BE
 DROPPED IN THE FUTURE WITHOUT CHANGING THE SONAME OF THE LIBRARY.
 Recommendations how to replace deprecated or removed functionality can
 be found within the description of each change.

 What follows are all changes to the interface and behaviour of
 Libgcrypt in detail.

 * If gcrypt.h is included in sources compiled by GCC 3.1 or later,
   deprecated attributes will warn about use of obsolete functions and
   type definitions.  You can suppress these warnings by passing
   -Wno-deprecated-declarations to the gcc command.

 * gcry_check_version must be called from now on to initialize the
   library, it is not longer optional.

 * The following types have been renamed.  The old types are still
   available as aliases, but they are deprecated now:
   Old name:		New name:
   GCRY_MPI		gcry_mpi_t
   GcryMPI		gcry_mpi_t
   GCRY_SEXP            gcry_sexp_t
   GcrySexp             gcry_sexp_t
   GCRY_CIPHER_HD       gcry_cipher_hd_t
   GcryCipherHd		gcry_cipher_hd_t
   GCRY_MD_HD		gcry_md_hd_t
   GcryMDHd		gcry_md_hd_t

 * All GCRYERR_* error symbols have been removed, since they are now
   contained in libgpg-error (GPG_ERR_*).

 * All functions and types in libgpg-error have been wrapped in
   Libgcrypt. The new types are gcry_err_code_t and gcry_err_source_t.
   The new functions are gcry_err_code, gcry_err_source, gcry_error,
   gcry_err_make, gcry_error_from_errno, gcry_err_make_from_errno,
   gcry_err_code_from_errno, gcry_err_code_to_errno,
   gcry_strsource.

 * New cipher: Twofish128; New cipher modes: CTR, CBC-MAC.

 * New message digests: SHA384, SHA512, CRC-32, CRC32-RFC1510,
   CRC-24-RFC2440.

 * For RSA decrypt operations, RSA blinding is used automatically to
   prevent the leaking of timing informationen, that can be used to
   compute the secret key, in case the operations can be measured
   precisely.  This mode of operation can be disabled with a special
   flag.

 * gcry_sexp_canon_len does not use a `historically encoded' error
   code anymore.

Complete list of interface changes:
-----------------------------------

 GCRY_MPI			DEPRECATED; Use: gcry_mpi_t
 GcryMPI			DEPRECATED; Use: gcry_mpi_t
 GCRY_SEXP			DEPRECATED; Use: gcry_sexp_t
 GcrySexp			DEPRECATED; Use: gcry_sexp_t
 GCRY_CIPHER_HD			DEPRECATED; Use: gcry_cipher_hd_t
 GcryCipherHd			DEPRECATED; Use: gcry_cipher_hd_t
 GCRY_MD_HD			DEPRECATED; Use: gcry_md_hd_t
 GcryMDHd			DEPRECATED; Use: gcry_md_hd_t
 gcry_error_t			NEW
 gcry_err_code_t		NEW
 gcry_err_source_t		NEW
 gcry_err_make			NEW
 gcry_error			NEW
 gcry_err_code			NEW
 gcry_err_source		NEW
 gcry_err_code_from_errno	NEW
 gcry_err_code_to_errno		NEW
 gcry_err_make_from_errno	NEW
 gcry_error_from_errno		NEW
 gcry_strsource			NEW
 GCRYERR_{some error code}	REMOVED; Use GPG_ERR_* from
                                         libgpg-error instead.
 gcry_errno			REMOVED
 gcry_sexp_canon_len		CHANGED
 gcry_sexp_build_array		NEW
 gcry_mpi_scan			CHANGED: New argument to separate in/out args.
 gcry_mpi_print			CHANGED: Ditto.
 gcry_mpi_dump			NEW
 gcry_cipher_open		CHANGED
 gcry_cipher_reset		NEW
 gcry_cipher_register		NEW
 gcry_cipher_unregister		NEW
 gcry_cipher_list		NEW
 gcry_cipher_algo_keylen	REPLACED macro with function.
 gcry_cipher_algo_blklen	REPLACED macro with function.
 gcry_pk_register		NEW
 gcry_pk_unregister		NEW
 gcry_pk_list			NEW
 gcry_pk_decrypt		ENHANCED: Allows flag to return complete
                                          S-expression.
 gcry_md_open			CHANGED
 gcry_md_copy			CHANGED
 gcry_md_is_enabled		NEW
 gcry_md_is_secure		NEW
 gcry_md_register		NEW
 gcry_md_unregister		NEW
 gcry_md_list			NEW
 gcry_ac_data_t			NEW
 gcry_ac_key_t			NEW
 gcry_ac_key_pair_t		NEW
 gcry_ac_handle_t		NEW
 gcry_ac_key_spec_rsa_t		NEW
 gcry_ac_data_new		NEW
 gcry_ac_data_destroy		NEW
 gcry_ac_data_set		NEW
 gcry_ac_data_copy		NEW
 gcry_ac_data_length		NEW
 gcry_ac_data_get_name		NEW
 gcry_ac_data_get_index		NEW
 gcry_ac_data_clear		NEW
 gcry_ac_open			NEW
 gcry_ac_close			NEW
 gcry_ac_key_init		NEW
 gcry_ac_key_pair_generate	NEW
 gcry_ac_key_pair_extract	NEW
 gcry_ac_key_data_get		NEW
 gcry_ac_key_test		NEW
 gcry_ac_key_get_nbits		NEW
 gcry_ac_key_get_grip		NEW
 gcry_ac_key_destroy		NEW
 gcry_ac_key_pair_destroy	NEW
 gcry_ac_data_encrypt		NEW
 gcry_ac_data_decrypt		NEW
 gcry_ac_data_sign		NEW
 gcry_ac_data_verify		NEW
 gcry_ac_id_to_name		NEW
 gcry_ac_name_to_id		NEW
 gcry_handler_progress_t	NEW
 gcry_handler_alloc_t		NEW
 gcry_handler_secure_check_t	NEW
 gcry_handle_realloc_t		NEW
 gcry_handler_free_t		NEW
 gcry_handler_no_mem_t		NEW
 gcry_handler_error_t		NEW
 gcry_handler_log_t		NEW

-- 
Moritz Schulte

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