ChangeLog 64.9 KB
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2002-11-16  Niels Mller  <nisse@cuckoo.hack.org>

	* sexp2dsa.c, sexp2rsa.c: (macro GET): Check sign of parsed
	numbers.

	* sexp2bignum.c (nettle_mpz_set_sexp): In the first check against
	limit, added some margin to allow for sign octets.

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2002-11-15  Niels Mller  <nisse@cuckoo.hack.org>

	* testsuite/testutils.h (LDATA): Use sizeof instead of strlen. Now
	handles strings including NUL-characters. But works only with
	literals and character arrays, no char pointers.
	(LLENGTH): New macro, computing length the same way as LDATA.

	* testsuite/sexp-test.c (test_main): Test sexp_iterator_get_uint32.

	* testsuite/sexp-format-test.c (test_main): Check that %i and %b
	generate leading zeroes when needed. Check that %b handles
	negative numbers.	

	* testsuite/rsa2sexp-test.c (test_main): Updated test, one leading
	zero is needed in the private key expression. In verbose mode,
	print the generated keys.

	* testsuite/sexp2rsa-test.c (test_main): Added a leading zero in
	the private key expression.

	* testsuite/bignum-test.c (test_bignum): Use
	nettle_mpz_init_set_str_256_s. 
	(test_size): New function.
	(test_main): Test size computation and formatting of negative
	numbers. 

	* sexp2bignum.c (nettle_mpz_set_sexp): Use
	nettle_mpz_set_str_256_s, to handle negative numbers correctly. 

	* sexp-format.c (sexp_vformat): For %i, output a leading zero when
	needed to get a correct, positive, sign. For %b, use
	nettle_mpz_sizeinbase_256_s, to handle negative numbers properly.	

	* bignum.c (nettle_mpz_sizeinbase_256_s): New function.
	(nettle_mpz_sizeinbase_256_u): New name, was
	nettle_mpz_sizeinbase_256. Updated all callers.
	(nettle_mpz_to_octets): New function.
	(nettle_mpz_get_str_256): Handle negative numbers.
	(nettle_mpz_from_octets): New function.
	(nettle_mpz_set_str_256_u): New name, was nettle_mpz_set_str_256.
	(nettle_mpz_init_set_str_256_u): New name, was
	nettle_mpz_init_set_str_256. 
	(nettle_mpz_set_str_256_s): New function, handling negative two's
	complement numbers.
	(nettle_mpz_init_set_str_256_s): And an init variant.

	* sexp.c (sexp_iterator_get_uint32): New function.
	
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2002-11-10  Niels Mller  <nisse@cuckoo.hack.org>

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	* testsuite/sexp-conv-test: Use input files without any trailing
	newline character, in order to stress the end of file handling.

	* tools/sexp-conv.c (sexp_get_token_string): Fixed end of file
	handling.
	(sexp_get_string): Fixed end of encoding/end of file handling.
	(parse_options): Check for negative width and complain.

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	* tools/sexp-conv.c: Use supplied getopt.
	(werror): New function.
	(sexp_output_hash_init): New function.
	(sexp_put_char): Made base64 linebreaking configurable.
	Implemented hashing. 
	(sexp_put_code_start, sexp_put_code_end): Don't output any
	delimiters here.
	(sexp_put_string): Output base64 delimiters.
	(sexp_put_digest): New function.
	(sexp_convert_item): Output transport delimiters.
	(sexp_convert_file): Deleted function, folded with main.
	(parse_options): New function.
	(main): Implemented --hash and --once, needed by lsh-authorize.

	* sexp.h (struct sexp_iterator): New field start.

	* sexp.c (sexp_iterator_subexpr): New function.
	(sexp_iterator_parse): Initialize ITERATOR->start.

	* sexp-format.c (sexp_vformat): Abort if format string contains
	unhandled characters.

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2002-11-08  Niels Mller  <niels@s3.kth.se>

	* des-compat.c (des_ecb3_encrypt): Don't use struct initialization
	(c89 doesn't allow non-constant initializers). Reported by James
	Ralston. 
	(des_ede3_cbc_encrypt): Likewise.

	* examples/nettle-openssl.c: Moved from the top-level directory.
	Should *not* be included in the nettle library.

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2002-11-08  Niels Mller  <nisse@cuckoo.hack.org>

	* testsuite/testutils.c (test_dsa_key): Bugfix for renamed DSA
	constant (noted by James Ralston).

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2002-11-07  Niels Mller  <niels@s3.kth.se>

	* testsuite/run-tests: Copied new version rom lsh/src/testsuite.
	This version handles test scripts located in $srcdir.

	* examples/Makefile.am (AM_CFLAGS): We need -I$(top_srcdir).
	* tools/Makefile.am (AM_CFLAGS): Likewise.
	* testsuite/Makefile.am (AM_CFLAGS): Likewise.

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2002-11-07  Niels Mller  <nisse@cuckoo.hack.org>

	* Makefile.am (SUBDIRS): Added tools.
	(libnettle_a_SOURCES): Added sexp-transport-format.c,
	sexp2bignum.c, sexp2dsa.c.

	* sexp2dsa.c (dsa_keypair_from_sexp_alist, dsa_keypair_from_sexp):
	New file, new functions.

	* rsa2sexp.c (rsa_keypair_to_sexp): %s -> %z renaming. 

	* sexp-transport.c (sexp_transport_iterator_first): Fixed bug,
	length was mishandled.

	* sexp-transport-format.c (sexp_transport_format,
	sexp_transport_vformat): New file, new functions.

	* sexp-format.c (sexp_format): Return length of output. Allow
	buffer == NULL, and onyl compute the needed length in this case.
	Renamed %s to %z. New format specifiers %s, %i, and %l.
	(sexp_vformat): New function.
	(format_prefix): Rewrote to not use snprintf.

	* sexp2rsa.c (rsa_keypair_from_sexp): New limit argument. Use
	nettle_mpz_set_sexp. 

	* dsa-keygen.c (dsa_generate_keypair): Added some newlines to
	progress display. Use DSA_P_MIN_BITS.

	* dsa.h (DSA_MIN_P_BITS): New constant (was DSA_MINIMUM_BITS).
	(DSA_Q_OCTETS, DSA_Q_BITS): New constants.
	(dsa_keypair_from_sexp_alist, dsa_keypair_from_sexp): New
	prototypes. 

	* configure.ac: Output tools/Makefile.

	* sexp2bignum.c (nettle_mpz_set_sexp): New file, and new function.
	Moved from sexp2rsa.c:get_value.

	* examples/io.c (read_rsa_key): New limit argument in
	call of rsa_keypair_from_sexp_alist.

	* examples/Makefile.am (noinst_PROGRAMS): Removed sexp-conv.

	* tools/sexp-conv.c: Moved file from examples directory.

	* testsuite/Makefile.am (TS_SH): New variable. Added
	sexp-conv-test. 

	* testsuite/testutils.h (LDUP): New macro.

	* testsuite/sexp2rsa-test.c (test_main): New limit argument in
	call of rsa_keypair_from_sexp_alist.

	* testsuite/sexp-test.c (test_main): Added test for lengths with
	more than one digit. Added tests for transport mode decoding.

	* testsuite/sexp-format-test.c (test_main): Added tests for %i and
	%l. 

	* testsuite/sexp-conv-test: Moved test from examples directory.
	Updated path to sexp-conv, now in ../tools/sexp-conv.

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2002-11-03  Niels Mller  <nisse@cuckoo.hack.org>

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	* sexp-format.c, sexp_format.c: Renamed sexp_format.c to
	sexp-format.c.
	* Makefile.am (libnettle_a_SOURCES): Renamed sexp_format.c to
	sexp-format.c.

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	* examples/Makefile.am: Don't set CFLAGS or CPPFLAGS explicitly,
	let automake handle that.
	* testsuite/Makefile.am: Likewise.

	* sexp2rsa.c (rsa_keypair_from_sexp_alist): New function.
	(rsa_keypair_from_sexp): Use it.

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2002-11-01  Niels Mller  <niels@s3.kth.se>

	* examples/Makefile.am (LDADD): Use -lnettle, instead of an
	explicit filename libnettle.a, so that we will use the shared
	library, if it exists.
	(AM_LDFLAGS): Added -L.., so we can find -lnettle.
	(run-tests): Set LD_LIBRARY_PATH to ../.lib, when running the
	testsuite. 
	* testsuite/Makefile.am: Similar changes.
	
	* Makefile.am (LIBOBJS): Put @LIBOBJS@ into the make variable
	LIBOBJS. 
	(CLEANFILES): Delete libnettle.so.
	(clean-local): Delete the .lib linkfarm.
	($(SHLIBFORLINK)): When building libnettle.so, create a link from
	.lib/$SHLIBSONAME. Needed at runtime, for the testsuite. 

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2002-11-01  Niels Mller  <nisse@lysator.liu.se>

	* configure.ac: Fixed definitions using SHLIBMAJOR and SHLIBMINOR.
	Also AC_SUBST SHLIBMAJOR and SHLIBMINOR. Reported by James
	Ralston. 

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2002-10-31  Niels Mller  <niels@s3.kth.se>

	* examples/sexp-conv.c(sexp_put_list_start): Deleted function. 
	(sexp_put_list_end): Likewise.
	(sexp_put_display_start): Likewise.
	(sexp_put_display_end): Likewise.
	(sexp_puts): Likewise.

	* examples/sexp-conv.c (sexp_get_quoted_string): Deleted function.
	Merged with sexp_get_String.
	(sexp_get_hex_string): Likewise.
	(sexp_get_base64_string): Likewise.
	(sexp_get_string): Do hex and base64 decoding.
	
	* examples/sexp-conv.c (enum sexp_char_type): New enum, for end
	markers in the input strem.
	(struct sexp_input): Deleted LEVEL attribute. Deleted all usage of
	it.
	(sexp_get_raw_char): Use INPUT->c and INPUT->ctype to store
	results. Deleted OUT argument.
	(sexp_get_char): Likewise. Also removed the
	INPUT->coding->decode_final call, for symmetry.
	(sexp_input_end_coding): Call INPUT->coding->decode_final.
	(sexp_next_char): New function.
	(sexp_push_char): New function.
	(sexp_get_token_char): Deleted function.
	(sexp_get_quoted_char): Simplified. Deleted output argument.
	(sexp_get_quoted_string): Simplified.
	(sexp_get_base64_string): Likewise.
	(sexp_get_token_string): Likewise.
	(sexp_get_string_length): Skip the character that terminates the
	string.
	(sexp_get_token): Cleared upp calling conventions. Always consume
	the final character of the token.
	(sexp_convert_list): Take responsibility for converting the start
	and end of the list.
	(sexp_convert_file): Call sexp_get_char first, to get the token
	reading started.
	(sexp_convert_item): Cleared up calling conventions. Should be
	called with INPUT->token being the first token of the expression,
	and returns with INPUT->token being the final token of the
	expression. Return value changed to void..

	* examples/sexp-conv-test: Added test for transport mode input.

	* examples/sexp-conv.c (sexp_get_char): Use the nettle_armor
	interface for decoding.
	(sexp_input_start_coding): New function.
	(sexp_input_end_coding): New function.
	(sexp_get_base64_string): Rewrote to use sexp_input_start_coding
	and sexp_input_end_coding.
	(sexp_get_token): Generate SEXP_TRANSPORT_START tokens.
	(sexp_convert_list): Lists are ended only by SEXP_LIST_END.
	(sexp_convert_item): Implemented transport mode, using
	sexp_input_start_coding and sexp_input_end_coding.

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2002-10-30  Niels Mller  <nisse@cuckoo.hack.org>

	* Makefile.am: Added base16 files.

	* examples/sexp-conv-test: New tests for transport output.

	* examples/sexp-conv.c: Deleted hex functions, moved to Nettle's
	base16 files.
	(struct sexp_output): Represent the current encoding as a
	nettle_armor pointer and a state struct.
	(sexp_output_init): Deleted MODE argument. Now passed to functions
	that need it. 
	(sexp_get_char): Updated to new base64 conventions.
	(sexp_get_base64_string): Likewise.
	(sexp_put_raw_char): New function.
	(sexp_put_newline): Use sexp_put_raw_char.
	(sexp_put_char): Use nettle_armor interface for encoding data.
	Use OUTPUT->coding_indent for line breaking, so the INDENT
	argument was deleted.
	(sexp_put_code_start): New function, replacing sexp_put_base64_start.
	(sexp_put_code_end): New function, replacing sexp_put_base64_end. 
	(sexp_put_data): Deleted argument INDENT.
	(sexp_puts): Likewise.
	(sexp_put_length): Likewise.
	(sexp_put_list_start): Likewise.
	(sexp_put_list_end): Likewise.
	(sexp_put_display_start): Likewise.
	(sexp_put_display_end): Likewise.
	(sexp_put_string): Likewise. Also changed base64 handling.
	(sexp_convert_string): Deleted argument INDENT. New argument
	MODE_OUT. 
	(sexp_convert_list): New argument MODE_OUT.
	(sexp_convert_file): Likewise.
	(sexp_convert_item): Likewise. Also handle output in transport
	mode. 
	(match_argument): Simple string comparison.
	(main): Adapted to above changes.

	* testsuite/testutils.c (test_armor): Allocate a larger buffer
	CHECK, to make decode_update happy. Updated to new base64
	conventions.

	* testsuite/base64-test.c (test_main): Fixed overlap test to not
	change the base64 before decoding. Updated to new base64
	conventions. 

	* testsuite/Makefile.am (TS_PROGS): Added base16-test.

	* testsuite/base16-test.c: New test.

	* sexp-transport.c (sexp_transport_iterator_first): Updated to new
	conventions for base64_decode_update and base64_decode_final.

	* nettle-meta.h: Updated ascii armor declarations. New declaration
	for nettle_base16.

	* base64-decode.c (base64_decode_single): Return -1 on error.
	Also keep track of the number of padding characters ('=') seen.
	(base64_decode_update): New argument dst_length. Return -1 on error.
	(base64_decode_status):  Renamed function...
	(base64_decode_final): ... to this.

	* base64.h (struct base64_decode_ctx): Deleted STATUS attribute.
	Added PADDING attribute.

	* base16.h, base16-encode.c, base16-decode.c, base16-meta.c: New
	files. 

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2002-10-28  Niels Mller  <nisse@cuckoo.hack.org>

	* examples/sexp-conv.c (struct hex_decode_ctx): New hex decoding
	functions. 
	(sexp_get_raw_char): New function.
	(sexp_get_char): Use sexp_get_raw_char.

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2002-10-26  Niels Mller  <nisse@cuckoo.hack.org>

	* examples/sexp-conv.c (sexp_put_length): Bugfix, don't output any
	leading zero.
	(main): Implemented -s option.

	* examples/sexp-conv-test: Test for echo -n vs echo '\c'. Added a
	few tests for canonical output.

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2002-10-25  Niels Mller  <niels@s3.kth.se>

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	* examples/sexp-conv.c (struct sexp_input): Deleted the mode from
	the state, that should be passed as argument to relevant
	functions. Instead, introduces enum sexp_coding, to say if base64
	coding is in effect.
	(struct sexp_output): Added coding attribute.
	(sexp_put_char): Use output->coding.
	(sexp_put_base64_start): Likewise.
	(sexp_put_base64_end): Likewise.

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	* base64-decode.c (base64_decode_single): Simplified, got rid of
	the done variable.

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2002-10-25  Niels Mller  <nisse@cuckoo.hack.org>

	* examples/sexp-conv.c (sexp_put_newline): Return void, die on
	error. 
	(sexp_put_char, sexp_put_data, sexp_puts, sexp_put_length,
	sexp_put_base64_start, sexp_put_base64_end, sexp_put_string,
	sexp_put_list_start, sexp_put_list_end, sexp_put_display_start,
	sexp_put_display_end, sexp_convert_string, sexp_convert_list,
	sexp_skip_token): Likewise. 
	(sexp_convert_item): Die on error.

2002-10-24  Niels Mller  <nisse@cuckoo.hack.org>

	* examples/sexp-conv-test: Doesn't need echo -n anymore.

	* examples/sexp-conv.c (die): New function.
	(struct sexp_input): Deleted field ITEM.
	(sexp_get_char): Die on failure, never return -1.
	(sexp_get_quoted_char): Likewise.
	(sexp_get_quoted_string): Die on failure, no returned value. 
	(sexp_get_base64_string): Likewise.
	(sexp_get_token_string): Likewise.
	(sexp_get_string): Likewise.
	(sexp_get_string_length): Likewise.
	(sexp_get_token): Likewise.
	(sexp_convert_string): Adapted to sexp_get_token.
	(sexp_convert_list): Likewise.
	(sexp_convert_file): New function.
	(main): Use sexp_convert_file.

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2002-10-23  Niels Mller  <nisse@cuckoo.hack.org>

	* examples/Makefile.am (TS_PROGS): Added sexp-conv-test.

	* examples/sexp-conv.c (sexp_input_init): Initialize input->string
	properly. 
	(sexp_get_char): Fixed non-transport case.
	(sexp_get_quoted_char): Fixed default case.
	(sexp_get_token): Loop over sexp_get_char (needed for handling of
	white space). Don't modify input->level. Fixed the code that skips
	comments. 
	(sexp_put_char): Fixed off-by-one bug in assertion.
	(sexp_put_string): Fixed escape handling for output of quoted
	strings. 
	(sexp_convert_list): Prettier output, hanging indent after the
	first list element.
	(sexp_skip_token): New function.
	(sexp_convert_item): Use sexp_skip_token to skip the end of a
	"[display-type]".

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2002-10-22  Niels Mller  <nisse@cuckoo.hack.org>

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	* examples/sexp-conv-test: New test program.

	* examples/Makefile.am (noinst_PROGRAMS): Added sexp-conv.

	* examples/sexp-conv.c (sexp_convert_list): New function.
	(sexp_convert_item): New function.
	(main): New function. Compiles and runs now, but doesn't work.

	* base64-decode.c (base64_decode_single): New function.
	(base64_decode_update): Use base64_decode_single.

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	* examples/sexp-conv.c: Added output functions.

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2002-10-21  Pontus Skld  <pont@soua.net>

	* base64-encode.c (base64_encode_raw): Fixed null statement
	amongst variable declarations, broke compilation for non C99
	compilers.

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2002-10-21  Niels Mller  <nisse@lysator.liu.se>

	* examples/sexp-conv.c: New sexp conversion program.

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2002-10-21  Niels Mller  <niels@s3.kth.se>

	* Makefile.am (libnettle_a_SOURCES): Added
	sexp-format-transport.c. 

	* sexp-transport.c (sexp_transport_iterator_first): New file and
	function. 
	* sexp.h (sexp_transport_iterator_first): Added protoype.

	* sexp.c (sexp_iterator_next): Abort if iterator type is boogus.

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2002-10-19  Niels Mller  <nisse@cuckoo.hack.org>

	* testsuite/testutils.c (test_armor): Updated to new armor
	conventions. 

	* testsuite/base64-test.c (test_main): Test BASE64_ENCODE_LENGTH
	and BASE64_DECODE_LENGTH. Updated test of base64_encode_raw (used
	to be base64_encode). 

	* base64.h (BASE64_ENCODE_LENGTH, BASE64_DECODE_LENGTH): Fixed and
	documented macros.

	* base64-meta.c (base64_encode_length, base64_decode_length): New
	functions, corresponding to the macros with the same name.

	* Makefile.am (libnettle_a_SOURCES): base64.c replaced by
	base64-encode.c and base64-decode.c.

	* pgp-encode.c (pgp_armor): Use new base64 conventions.

	* nettle-meta.h: Updated nettle_armor definitions.

	* base64.h: Major reorganization.

	* base64.c: Deleted file, contents moved to base64-encode.c or
	base64-decode.c. 

	* base64-encode.c: New file. New supporting both encode-at-once
	and streamed operation. 

	* base64-decode.c: New file.

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2002-10-09  Niels Mller  <nisse@cuckoo.hack.org>

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	* testsuite/Makefile.am (TS_PROGS): Added dsa-keygen-test.

	* dsa-keygen.c: Call the progress callback only if it's non-NULL. 

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	* Makefile.am (libnettle_a_SOURCES): Added bignum-random.c and
	dsa-keygen.c. 

	* testsuite/testutils.c (test_dsa_key): New function to sanity
	check a dsa keypair.

	* testsuite/dsa-test.c (test_main): Call dsa_test_key.

	* testsuite/dsa-keygen-test.c: New test case.

	* dsa.h (DSA_MINIMUM_BITS): New constant.

	* bignum.h (nettle_mpz_random, nettle_mpz_random_size): Added
	prototypes.

	* dsa-keygen.c: New file.

	* bignum-random.c: New file.
	(nettle_mpz_random): New function, moved from...
	* dsa-sign.c (nettle_mpz_random): ... here. Also changed argument
	ordering and updated callers. 
	
	* bignum-random.c: (nettle_mpz_random_size): New function, renamed
	and moved here from...  
	* rsa-keygen.c (bignum_random_size): ... here. Updated all
	callers. 

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	* testsuite/testutils.c (test_dsa): Needs both public and private
	key as arguments.

	* testsuite/dsa-test.c (test_main): Updated to changes of the
	private key struct.

	* testsuite/Makefile.am (TS_PROGS): Added dsa-test.

	* rsa-decrypt.c (rsa_decrypt): Constification.
	* rsa-encrypt.c (rsa_encrypt): Likewise.
	* rsa.c (rsa_compute_root): Likewise.
	* rsa_md5.c (rsa_md5_sign): Likewise.
	(rsa_md5_verify): Likewise.
	* rsa_sha1.c (rsa_sha1_sign): Likewise.
	(rsa_sha1_verify): Likewise.

	* dsa-verify.c (dsa_verify): Use const for the public key
	argument. 

	* dsa-sign.c (dsa_sign): Needs the public key as argument, in
	addition to the private key. Use const.

	* dsa.h (struct dsa_private_key): Don't include the public
	information here. 
	* dsa.c (dsa_private_key_init, dsa_private_key_clear): Updated to
	new struct dsa_private_key.  

	* dsa-sign.c (dsa_sign): Bugfix, added missing mpz_init call. 

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	* Makefile.am (libnettle_a_SOURCES): Added dsa files.
	(libnettleinclude_HEADERS): Added dsa.h.

	* testsuite/testutils.c (test_dsa): New function.

	* testsuite/dsa-test.c: New test.

	* dsa.h, dsa.c, dsa-sign.c, dsa-verify.c: New files.

	* nettle-meta.h: Moved the nettle_random_func and
	nettle_progress_func typedefs here...
	* rsa.h: ... from here.	

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2002-10-07  Niels Mller  <nisse@cuckoo.hack.org>

	* sexp.h (enum sexp_type): Deleted SEXP_START.

	* sexp.c (sexp_iterator_parse): New function, similar to the old
	sexp_iterator_next, but independent of the previous value of the
	iterator->type. 
	(sexp_iterator_first): Use sexp_iterator_parse.
	(sexp_iterator_next): Likewise.
	(sexp_iterator_enter_list): Use sexp_iterator_parse. SEXP_START
	not needed anymore.
	(sexp_iterator_exit_list): Likewise.

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2002-10-06  Niels Mller  <nisse@cuckoo.hack.org>

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	* sexp2rsa.c (get_value): No need to call sexp_iterator_next
	anymore. 

	* sexp.c (sexp_iterator_assoc): Advance the iterator to the
	element after a matching tag, before recording it.
	* testsuite/sexp-test.c (test_main): Updated test.

	* testsuite/sexp-test.c (test_main): No need to call
	sexp_iterator_next after sexp_iterator_exit_list.

	* sexp2rsa.c (rsa_keypair_from_sexp): No need to call
	sexp_iterator_next anymore.

	* sexp.c (sexp_iterator_next): Updated to new sexp_iterator_exit_list.
	(sexp_iterator_exit_list): Return with iterator pointing to the
	element after the list.
	(sexp_iterator_check_type): Call sexp_iterator_next before
	returning. 
	(sexp_iterator_check_types): Likewise.
	(sexp_iterator_assoc): Rearranged calls of sexp_iterator_next. 

	* sexp.c (sexp_iterator_enter_list): Call sexp_iterator_next to
	get to the first element of the list. Updated callers.

	* base64.c (base64_encode_group): New function, used by openpgp
	armoring code.

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	* Makefile.am: Added openpgp files.

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	* sexp2rsa.c (rsa_keypair_from_sexp): Use sexp_iterator_first.
	* testsuite/sexp-test.c (test_main): Likewise.

	* sexp.c (sexp_iterator_init): Made this function static.
	(sexp_iterator_first): New, friendlier, initialization function. 

	* pgp-encode.c: New file. Functions for writing openpgp data
	packets. 

	* pgp.h: New file, with pgp related declarations.

	* rsa2openpgp.c (rsa_keypair_to_openpgp): New file, new function. 

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2002-10-04  Niels Mller  <niels@s3.kth.se>

	* examples/rsa-keygen.c: Use malloc, instead of asprintf.

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2002-10-03  Niels Mller  <nisse@cuckoo.hack.org>
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	* Released nettle-1.6.

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	* NEWS: Note the aes api change.

	* examples/Makefile.am (EXTRA_DIST): Distribute setup-env and
	teardown-env. 

2002-10-02  Niels Mller  <nisse@cuckoo.hack.org>

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	* examples/rsa-keygen.c (main): Comment on the lax security of the
	private key file.

	* index.html: Added link to mailing list.

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2002-10-02  Niels Mller  <niels@s3.kth.se>

	* Makefile.am: Fixed assembler rules, and shared libraries.

	* configure.ac: Fixed the enable-shared option.

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2002-10-01  Niels Mller  <nisse@cuckoo.hack.org>

	* configure.ac: New option --enable-shared, and a first attempt at
	building a shared library (*without* using libtool).

	* Makefile.am: A first attempt at rules for building a shared
	libnettle.so. 

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2002-10-01  Niels Mller  <niels@s3.kth.se>

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	* examples/run-tests (test_program): Use basename.

	* examples/teardown-env: Delete some more files.

	* examples/run-tests (test_program): Strip directory part of
	displayed name.

	* examples/Makefile.am (TS_PROGS): New variable. Run tests.

	* examples/io.c (read_file): Bug fix, used to overwrite pointer.

	* examples/rsa-keygen.c (main): Bug fix, private key wasn't
	written properly.

	* testsuite/Makefile.am: Some cleanup of make check.

	* examples/setup-env, examples/teardown-env: Test environment scripts.
	* examples/rsa-verify-test, examples/rsa-sign-test: New test cases.

	* examples/run-tests: New file (copied from lsh testsuite).

	* examples/Makefile.am: Use EXTRA_PROGRAMS and @RSA_EXAMPLES@.

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	* examples/rsa-sign.c: No need to include config.h. Use werror
	instead of fprintf.
	* examples/rsa-verify.c: Likewise.
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	* examples/rsa-keygen.c: Likewise.
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	* examples/io.h: Forward declare struct rsa_public_key and struct
	rsa_private_key, to avoid dependences on config.h. 

	* configure.ac (RSA_EXAMPLES): New substituted variable,
	controlling which example programs to build.

	* examples/rsa-verify.c: New example program.

	* examples/rsa-keygen.c: Use functions from io.c.
	* examples/rsa-sign.c: Likewise.

	* examples/Makefile.am (noinst_PROGRAMS): Added rsa-verify.
	(LDADD): Added io.o.

	* configure.ac: New define WITH_PUBLIC_KEY, and new configure flag
	--disable-public-key. Updated rsa-files to check for that, rather
	than for HAVE_LIBGMP. 

	* examples/io.c, examples/io.c: New files. Miscellaneous functions
	used by the example programs.

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	* base64.h (BASE64_DECODE_LENGTH): Comment fix.

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2002-09-30  Niels Mller  <nisse@cuckoo.hack.org>

	* sexp2rsa.c (rsa_keypair_from_sexp): Bugfix: Call
	rsa_prepare_public_key and rsa_prepare_private_key.

	* examples/Makefile.am (noinst_PROGRAMS): Added rsa-sign.

	* examples/rsa-sign.c: New example program.

	* testsuite/base64-test.c (test_main): Test encoding and decoding
	in place.

	* base64.c (base64_encode): Encode from the end of the data
	towards the start, in order to support overlapping areas.
	(base64_encode): Broke out some common code from the switch..

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2002-09-30  Niels Mller  <niels@s3.kth.se>

	* sexp_format.c (sexp_format): Don't mix code and declarations.

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2002-09-29  Niels Mller  <nisse@cuckoo.hack.org>

	* testsuite/Makefile.am (TS_PROGS): Added buffer-test
	sexp-format-test rsa2sexp-test sexp2rsa-test. 


	* testsuite/sexp-test.c (test_main): Updated calls to
	sexp_iterator_assoc. 

	* testsuite/testutils.h (MEMEQH): New macro.

	* testsuite/sexp2rsa-test.c: New test.
	* testsuite/sexp-format-test.c: New test.
	* testsuite/rsa2sexp-test.c: New test.
	* testsuite/buffer-test.c: New test.

	* testsuite/testutils.c (test_rsa_key): Copied this function
	from...
	testsuite/rsa-keygen-test.c: ... here.

	* examples/rsa-keygen.c: New file.

	* Makefile.am: Added new source files and headers buffer.h,
	buffer.c, sexp_format.c, sexp2rsa.c, rsa2sexp.c.

	* rsa.h (rsa_keypair_to_sexp, rsa_keypair_from_sexp): New
	prototypes. 

	* rsa2sexp.c, sexp2rsa.c: New files.

	* sexp.c (sexp_iterator_assoc): Don't enter the list, associate
	keys within the current list. Still exit the list when done.
	(sexp_iterator_assoc): Represent keys as plain NUL-terminated
	strings. 
	(sexp_iterator_check_type, sexp_iterator_check_types): New
	functions. 

	* sexp_format.c: New file, implementing an sexp canonical syntax
	formatter.

	* buffer.c, buffer.h: New files, implementing a bare-bones string
	stream.

	* bignum.c (nettle_mpz_sizeinbase_256): New function.

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2002-09-28  Niels Mller  <nisse@cuckoo.hack.org>

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	* sexp.c (sexp_iterator_assoc): Return 0 for missing or duplicate
	keys. Now passes all the tests.

	* sexp.c (sexp_iterator_simple): Bugfixes. Check earlier that
	length doesn't grow too large.
	(sexp_iterator_next): Skip the current list only if type is
	SEXP_LIST. Handle ')'.
	(sexp_iterator_enter_list): Set type to SEXP_START.
	(sexp_iterator_exit_list): Likewise. Don't skip the ')' here. 
	(sexp_iterator_assoc): Bug fix.

	* testsuite/sexp-test.c (test_main): Reordered sexp_iterator_assoc
	tests. 

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	* nettle.texinfo (Randomness): Documented that yarrow256_init can
	be called with a zero number of sources.

	* testsuite/testutils.h (ASSERT): New macro.

	* testsuite/sexp-test.c: Test sexp parser.

	* Makefile.am (SUBDIRS): Added sexp files.

	* sexp.c, sexp.h: New files, implementing an sexp-parser.

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2002-08-27  Niels Mller  <niels@s3.kth.se>

	* Makefile.am (DISTCLEANFILES): make distclean should delete the
	assembler-related symlinks.

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2002-08-26  Niels Mller  <nisse@cuckoo.hack.org>

	* Makefile.am (%.o: %.asm): Create an empty (and unused)
	dependency file, to make the make/automake dependency tracking
	happier. 

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	* examples/nettle-benchmark.c (main): Try openssl's ciphers as
	well, if available.

	* Makefile.am (libnettle_a_SOURCES): Added nettle-openssl.c.

	* nettle-openssl.c: New file.

	* nettle-internal.h: Declare openssl glue ciphers.

	* des-compat.h: Extra name-mangling, to avoid collisions in case a
	program links with both nettle and libcrypto (the nettle-benchmark
	program does).

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	* configure.ac: Don't use -ggdb3 with gcc-2.96. 
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	Check for openssl's libcrypto (for benchmarking).
824

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2002-05-16  Niels Mller  <nisse@cuckoo.hack.org>

	* sparc/aes.asm: Deleted registers i and t3.
	(_aes_crypt): Moved some registers around. We now use input
	registers only for arguments, local registers for loop invariants,
	output registers for temporaries and loop variables, and no global
	registers at all.

	* sparc/aes.asm (AES_FINAL_ROUND): New macro.
	(_aes_crypt): Use AES_FINAL_ROUND for the first word if the final
	round. 
	(_aes_crypt): And for the rest of the final round.
	(AES_FINAL_ROUND): Don't update dst, just access it offseted by i.
	(_aes_crypt): Add 16 to dst at the end of the final round.
	(AES_ROUND): Use ldub, not ld + and, to get the third byte
	of wtxt.
	(AES_ROUND): Use ldub, not lduh + and, to get the second
	byte of a word.
	(AES_ROUND): Reordered instructions, so that we can save one
	register. 
	(AES_ROUND): Eliminated use of t3.
	(AES_FINAL_ROUND): Eliminated ands.
	(AES_FINAL_ROUND): Reordered, so that we can save one register. 
	(AES_FINAL_ROUND): Eliminated t3.
	(AES_LOAD): New macro.
	(_aes_crypt): Unrolled source loop.
	(_aes_crypt): Use AES_LOAD macro.
	(_aes_crypt): Deleted cruft from the old source loop.
	(AES_LOAD): Eliminated t3.

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2002-05-15  Niels Mller  <nisse@cuckoo.hack.org>

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	* sparc/aes.asm (AES_ROUND): New macro.
	(_aes_crypt): Use AES_ROUND for first word of the
	round function.
	(_aes_crypt): And for the rest of the round function.
	
	* sparc/aes.asm (_aes_crypt): Deleted a bunch of additions,
	after accessing IDX1.

	* aes-internal.h (struct aes_table): sparc_idx[0] should now
	contain index values shifted by the size of a word, and with 2
	added. This saves some additions in the sparc assembler code.
	Updates aes-encrypt-table.c and aes-decrypt-table.c.

	* sparc/aes.asm (_aes_crypt): Unrolled final loop, preparing for
	optimizations. 
	(_aes_crypt): Eliminated i from forst copy of the loop. Some
	cleanup. 
	(_aes_crypt): And from second copy.
	(_aes_crypt): And from third.
	(_aes_crypt): And fourth.
	(_aes_crypt): Eliminated updates of i from the loop.
	(_aes_crypt): Access IDX1 and IDX3 through the T pointer, saving
	two registers.

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	* aes-internal.h (struct aes_table): Renamed the shift_idx field
	to sparc_idx, as it will be tweaked to improve the sparc code.
	Also reduced its size to [2][4].
	(IDX_FACTOR): Deleted constant.
	* aes-encrypt-table.c (_aes_encrypt_table): Adapted initializer of
	sparc_idx. 
	* aes-decrypt-table.c (_aes_decrypt_table): Likewise.
	* asm.m4: Deleted AES_SIDX2, to match struct aes_table.

	* sparc/aes.asm (_aes_crypt): Unrolled the inner loop, preparing
	for optimizations suggested by Marcus Comstedt.
	(_aes_crypt): Eliminated i from the first copy of the inner loop.
	(_aes_crypt): And from the second copy.
	(_aes_crypt): And from the third copy.
	(_aes_crypt): And from the fourth copy.
	(_aes_crypt): Renamed .Linner_loop to .Lround_loop.
	(_aes_crypt): Eliminated the loop variable i from the unrolled
	loop. 
	(_aes_crypt): Deleted moves of constants into t2.

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2002-05-15  Niels Mller  <niels@s3.kth.se>

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	* x86/aes-encrypt.asm (aes_encrypt): Use AES_SUBST_BYTE.
	* x86/aes-decrypt.asm (aes_decrypt): Likewise.
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	(aes_decrypt): Use AES_STORE.
	(aes_decrypt): Deleted first xchgl instruction into, permuting the
	AES_ROUND calls instead.
	(aes_decrypt): Likewise for the final round.
	(aes_decrypt): Got rid if the xchgl instruction after the final
	round, folding it into the final round.
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	* x86/machine.m4: Renamed AES_LAST_ROUND to AES_FINAL_ROUND.
	Updated users. 

	* x86/aes-decrypt.asm (aes_decrypt): Use the AES_LOAD macro.
	(aes_decrypt): Start using AES_ROUND.
	(aes_decrypt): Use AES_LAST_ROUND.

	* x86/aes-decrypt.asm (aes_decrypt): Moved function to a separate
	file... 
	* x86/aes.asm: ... from here.

	* x86/aes.asm (aes_decrypt): Use _aes_decrypt_table instead of
	itbl1-4. Commented out the inclusion of aes_tables.asm. 
	(aes_decrypt): Use _aes_decrypt_table instead of isbox.
	

	* x86/aes-decrypt.asm: New file, empty at the start.

	* Makefile.am (libnettle_a_SOURCES): Added aes-decrypt-table.c.

	* aes-decrypt.c (_aes_decrypt_table): Moved from this file...
	* aes-decrypt-table.c (_aes_decrypt_table): ... to a new file.
	
	* testsuite/aes-test.out: New file, with the output of
	testsuite/aes-test, when aes.c has been compiled with debugging
	printouts of intermediate state.

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2002-05-15  Niels Mller  <nisse@cuckoo.hack.org>

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	* sparc/aes.asm: (_aes_crypt): Restore %fp at end of function, to
	make %fp available for other uses.

	* sparc/aes.asm: The frame setup was broken. Tried to fix it.
	Reverted to revision 1.70 + minor changes from the head revision.

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	* x86/aes-encrypt.asm (aes_encrypt): Use test instead of cmpl $0,.

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	* x86/machine.m4 (AES_SUBST_BYTE): New macro.

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	* sparc/aes.asm: wtxt needs no register of it's own, as its
	pointed to by %sp. %g5 moved to %l0, the register previously
	allocated for wtxt, so that we stay clean of the reserved %g
	registers.

2002-05-14  Niels Mller  <nisse@cuckoo.hack.org>

	* sparc/aes.asm: Avoid using %g6 and %g7, as they are reserved for
	operating sytem use. Use %i5 and %o7 instead. Also moved %g4 to %g1.
	(_aes_crypt): Allocate only 32 bytes local storage on the stack.
	Calculate wtxt and tmp using offsets from %sp, not %fp. 

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2002-05-14  Niels Mller  <niels@s3.kth.se>

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	* x86/aes-encrypt.asm (aes_encrypt): Replaced first quarter of the
	round function with an invocation of AES_ROUND.
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	(aes_encrypt): Similarly for the second column.
	(aes_encrypt): Similarly for the rest of the round function.
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	* x86/machine.m4 (AES_ROUND): New macro.

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	* x86/aes-encrypt.asm (aes_encrypt): Use AES_LOAD macro.

	* x86/machine.m4 (AES_LOAD): New macro.

	* x86/aes-encrypt.asm (aes_encrypt): Use AES_STORE.

	* x86/machine.m4 (AES_STORE): New macro.

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	* x86/aes-encrypt.asm (aes_encrypt): Use the AES_LAST_ROUND macro
	for the first column of the final round.
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	(aes_encrypt): Similarly for the second column.
	(aes_encrypt): Similarly for the third and fourth column.
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	(aes_encrypt): Deleted xchgl instruction in final round, by
	reordering the second and fourth round.

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	* x86/machine.m4 (AES_LAST_ROUND): New macro.

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	* x86/aes-encrypt.asm (aes_encrypt): Move code here...
	* x86/aes.asm: ...from here.	

	* x86/aes.asm: Use addl and subl, not add and sub. Replaced
	references to dtbl1-4 with references to _aes_encrypt_table.

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	* configure.ac (asm_path): Enable x86 assembler.

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	* x86/aes.asm (aes_decrypt): Adapted to the current interface.
	Notably, the order of the subkeys was reversed. Single block
	encrypt/decrypt works now.
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