ChangeLog

2014-08-24  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/ecdh-test.c: Test ecc_point_mul and ecc_point_mul_g,
	using test data generated by ecc-ref.gp. Tests for all curves
	except curve25519, which doesn't yet work with the general
	ecc_point interface.

	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added ecdh-test.c.

	* misc/ecc-ref.gp: Script to generate ECDH test data.

2014-08-23  Niels Möller  <nisse@lysator.liu.se>

	* ecc-a-to-j.c (ecc_a_to_j): Deleted INITIAL argument.
	* ecc.h (ecc_a_to_j): Updated prototype.
	* ecc-mul-a.c (ecc_mul_a, table_init): Updated calls to ecc_a_to_j.

	* ecc-mul-a.c (ecc_mul_a): Deleted INITIAL argument, all callers,
	except the tests, pass 1. Updated all callers.
	(table_init): Likewise deleted INITIAL.
	* ecc.h (ecc_mul_a): Updated prototype.
	* testsuite/ecc-mul-a-test.c (test_main): Deleted tests for
	ecc_mul_a with INITIAL == 0.

	* ecc-internal.h (struct ecc_curve): Reordered struct, moved
	function pointers before pointers to bignum constants.

	* sec-modinv.c (sec_modinv): Document that for a == 0 (mod m), we
	should produce the "inverse" 0.

	* testsuite/ecc-modinv-test.c (test_main): Check that ecc_modp_inv
	produces 0 if a == 0 or a == p.

2014-08-22  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/ecc-25519-modp.asm: New file. Assembly implementation,
	initial version yields 30% speedup of ecc_25519_modp. Early
	folding eliminates one pass of carry propagation, and yields
	almost 20% additional speedup.

	* ecc-25519.c [HAVE_NATIVE_ecc_25519_modp]: Use assembly version
	if available.

	* configure.ac (asm_hogweed_optional_list): Added ecc-25519-modp.asm.
	Also add HAVE_NATIVE_ecc_25519_modp to config.h.in.

2014-08-19  Niels Möller  <nisse@lysator.liu.se>

	* examples/ecc-benchmark.c (bench_curve): Support benchmarking of
	curve25519, for now handled as a special case.
	(curves): Added nettle_curve25519.
	(bench_dup_eh, bench_add_eh, bench_add_ehh, bench_mul_g_eh): New
	functions.

2014-08-18  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/curve25519-dh-test.c (test_a): Use curve25519_mul.
	(test_main): Use little-endian inputs for test_a.
	(curve25519_sqrt, curve_25519): Deleted static helper functions,
	no longer needed.

	* curve25519-mul.c (curve25519_mul): New file and function.
	* curve25519.h (curve25519_mul): Declare it.
	* Makefile.in (hogweed_SOURCES): Added curve25519-mul.c.

	* curve25519-mul-g.c (curve25519_mul_g): Renamed file and
	function, updated callers.
	* curve25519-base.c (curve25519_base): ... old names.
	* Makefile.in (hogweed_SOURCES): Updated for rename.

	* eccdata.c (output_curve): Compute constants needed for
	Shanks-Tonelli.
	* ecc-25519.c (ecc_modp_powm_2kp1, ecc_25519_sqrt): New functions.
	* ecc-internal.h (ecc_25519_sqrt): Declare it.

2014-08-06  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/curve25519-dh-test.c (test_g): Use curve25519_base.
	(test_main): Use little-endian inputs for test_g.

	* curve25519-base.c (curve25519_base): New file, new function.
	Analogous to NaCl's crypto_scalarmult_base.
	* curve25519.h: New file.
	* Makefile.in (hogweed_SOURCES): Added curve25519-base.c.
	(HEADERS): Added curve25519.h.

	* gmp-glue.c (mpn_set_base256_le, mpn_get_base256_le): New functions.
	* gmp-glue.h: Declare them.

2014-08-02  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/curve25519-dh-test.c (curve25519_sqrt): Fixed memory
	leak, a mpz_clear call was missing.

	* ecc-internal.h (ECC_MUL_A_EH_WBITS): Set to 4, to enable
	window-based scalar multiplication.

	* ecc-mul-a-eh.c (table_init) [ECC_MUL_A_EH_WBITS > 0]: Fixed
	initialization of TABLE(1).

2014-07-29  Niels Möller  <nisse@lysator.liu.se>

	* ecc-internal.h (ECC_MUL_A_EH_WBITS): New constant.
	(ECC_A_TO_EH_ITCH, ECC_MUL_A_EH_ITCH): New macros.
	* ecc-a-to-eh.c (ecc_a_to_eh, ecc_a_to_eh_itch): New file, new
	functions.
	* ecc-mul-a-eh.c: New file.
	(ecc_mul_a_eh): New function. The case [ECC_MUL_A_EH_WBITS > 0]
	not yet working).
	(ecc_mul_a_eh_itch): New function.
	* ecc.h: Declare new functions.
	* Makefile.in (hogweed_SOURCES): Added ecc-a-to-eh.c and
	ecc-mul-a-eh.c.

	* testsuite/curve25519-dh-test.c (curve25519_sqrt): New function.
	(curve_25519): Use ecc_mul_a_eh.
	(test_a): New function.
	(test_main): Test construction of shared secret, using scalar
	multiplication with points other than the fix generator.

2014-07-26  Niels Möller  <nisse@lysator.liu.se>

	* ecc-add-ehh.c (ecc_add_ehh): Reduce scratch need.
	* ecc-internal.h (ECC_ADD_EHH_ITCH): Reduced to 7*size.

2014-07-23  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/curve25519-dh-test.c: New test case, based on
	draft-josefsson-tls-curve25519-05 test vectors.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added curve25519-dh-test.c.

2014-07-18  Niels Möller  <nisse@lysator.liu.se>

	* ecc-mul-g-eh.c (ecc_mul_g_eh, ecc_mul_g_eh_itch): New file and
	functions. Untested.
	* ecc.h (ecc_mul_g_eh_itch): Declare new functions.
	* ecc-internal.h (ECC_MUL_G_EH_ITCH): New macro.
	* Makefile.in (hogweed_SOURCES): Added ecc-mul-g-eh.c.

2014-07-17  Niels Möller  <nisse@lysator.liu.se>

	* ecc-add-eh.c (ecc_add_eh): Reduce scratch need.
	* ecc-internal.h (ECC_ADD_EH_ITCH): Reduced to 6*size.

	* testsuite/curve25519-dup-test.c (test_main): Free allocated
	storage.

2014-07-15  Niels Möller  <nisse@lysator.liu.se>

	* ecc-add-eh.c (ecc_add_eh, ecc_add_eh_itch): New file, new
	functions.
	* ecc.h: Declare new functions.
	* ecc-internal.h (ECC_ADD_EH_ITCH): New macro.
	* Makefile.in (hogweed_SOURCES): Added ecc-add-eh.c.
	* testsuite/curve25519-add-test.c (test_main): Test ecc_add_eh.
	Additional test for g2+g2. Free allocated storage.

2014-07-14  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/curve25519-add-test.c: New test case.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	curve25519-add-test.c.

	* ecc-add-ehh.c (ecc_add_ehh, ecc_add_ehh_itch): New file, new
	functions.
	* ecc.h (ecc_add_ehh, ecc_add_ehh_itch): Declare them.
	* ecc-internal.h (ECC_ADD_EHH_ITCH): New macro.
	* Makefile.in (hogweed_SOURCES): Added ecc-add-ehh.c.

	* ecc-25519.c (nettle_curve25519): Use ecc_d instead of ecc_b.

	* eccdata.c: For curve25519, output the Edwards curve constant,
	ecc_d = (121665/121666) mod p.

	* testsuite/curve25519-dup-test.c (test_main): Add test for 4g.
	Delete some left-over debug output.

2014-07-11  Niels Möller  <nisse@lysator.liu.se>

	* misc/ecc-formulas.tex: Some ECC notes.

	* testsuite/curve25519-dup-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	curve25519-dup-test.c.

	* testsuite/testutils.c (test_ecc_point): Made non-static.
	* testsuite/testutils.h (struct ecc_ref_point): Moved here, from
	testutils.h.
	(test_ecc_point): Declare it.

	* ecc-dup-eh.c (ecc_dup_eh, ecc_dup_eh_itch): New file, new functions.
	* ecc-eh-to-a.c (ecc_eh_to_a, ecc_eh_to_a_itch): New file, new
	functions.
	* ecc.h: Declare new functions.
	* ecc-internal.h (ECC_EH_TO_A_ITCH, ECC_DUP_EH_ITCH): New macros.
	* Makefile.in (hogweed_SOURCES): Added ecc-dup-eh.c and
	ecc-eh-to-a.c.

	* ecc-internal.h (struct ecc_curve): New constant edwards_root.
	* ecc-192.c (nettle_secp_192r1): Updated accordingly, additional
	NULL pointer.
	* ecc-224.c (nettle_secp_224r1): Likewise.
	* ecc-256.c (nettle_secp_256r1): Likewise.
	* ecc-384.c (nettle_secp_384r1): Likewise.
	* ecc-521.c (nettle_secp_521r1): Likewise.
	* ecc-25519.c (nettle_curve25519): Initialize new constant.

	* eccdata.c (ecc_curve_init): For curve 25519, use correct
	constant for edwards coordinate transform, and output the constant
	as ecc_edwards.

2014-07-06  Niels Möller  <nisse@lysator.liu.se>

	* eccdata.c: Use separate is_zero flag to represent the neutral
	element.
	(output_point, output_point_redc): Unified to a single function,
	with a use_redc flag argument. Also support conversion to Edwards
	form.
	(ecc_curve_init_str): New argument for Edwards curve conversion
	constant.

2014-07-04  Niels Möller  <nisse@lysator.liu.se>

	* ecc-25519.c: New file.
	(ecc_25519_modp): New function.
	(nettle_curve25519): New curve.

	* ecc-curve.h (nettle_curve25519): Declare it.

	* Makefile.in (hogweed_SOURCES): Added ecc-25519.c.
	(ecc-25519.h): New generated file. Add as explicit dependency for
	ecc-25519.o.

	* testsuite/ecc-mod-test.c (test_curve): New function, extracted
	from test_main. Tolerate NULL modq function pointer.
	(test_main): Use test_curve, iterate over supported curves, and
	also test curve_25519 for the new modp function.

2014-07-02  Niels Möller  <nisse@lysator.liu.se>

	* eccdata.c (ecc_dup): Use mpz_submul_ui, now available in
	mini-gmp.
	(ecc_type): New enum, for Weierstrass and Montgomery curves
	(ecc_curve): New field type.
	(ecc_dup): Support montgomery curves.
	(ecc_add): Likewise.
	(ecc_curve_init_str): New argument, for the curve type.
	(ecc_curve_init): Pass curve type to all ecc_curve_init_str calls.
	Recognize curve25519, for bit_size 255.
	(output_modulo): Deleted assert, which isn't true for curve25519.

2014-06-30  Niels Möller  <nisse@lysator.liu.se>

	* camellia-absorb.c: Include <limits.h>, needed for correct use of
	HAVE_NATIVE_64_BIT. Reported and debugged by Magnus Holmgren.
	Fixes debian build failure on s390x.

2014-06-26  Niels Möller  <nisse@lysator.liu.se>

	From Martin Storsjö:
	* configure.ac (IF_NOT_SHARED): New substituted variable.
	* hogweed.pc.in: Use @LIBS@, instead of hardcoding -lgmp. When
	shared libraries are disabled, move needed libraries from
	Requires.private: to Requires: and from Libs.private: to Libs:.

 	From Nikos Mavrogiannopoulos.
	* examples/hogweed-benchmark.c (bench_alg): Tolerate alg->init
	returning NULL.
	(bench_openssl_ecdsa_init): Return NULL if
	EC_KEY_new_by_curve_name fails, indicating the curve is not
	supported.

2014-06-25  Niels Möller  <nisse@lysator.liu.se>

	Support for building with mini-gmp instead of the real GMP. Loosely
	based on work by Nikos Mavrogiannopoulos.
	* configure.ac: New command line option --enable-mini-gmp. Also
	disable all libgmp-related checks when enabled.
	(NETTLE_USE_MINI_GMP): New substituted variable.
	(LIBHOGWEED_LIBS): Use $(LIBS) instead of -lgmp.
	(IF_MINI_GMP): New Makefile conditional.
	(GMP_NUMB_BITS): Alternative test for the mini-gmp case.
	Substituted also in bignum.h.
	(HAVE_MPZ_POWM_SEC): Drop this unused check.

	* bignum.h: Renamed, to...
	* bignum.h.in: New name.
	(NETTLE_USE_MINI_GMP): Substituted by configure.
	(GMP_NUMB_BITS): Substituted by configure, for the mini-gmp case.

	* Makefile.in (OPT_HOGWEED_SOURCES): New variable, value
	conditional on @IF_MINI_GMP@.
	(hogweed_SOURCES): Add $(OPT_HOGWEED_SOURCES).
	(PRE_CPPFLAGS): Add -I$(srcdir).
	(HEADERS): Delete bignum.h.
	(INSTALL_HEADERS): Add bignum.h. Also add mini-gmp.h, if mini-gmp
	is enabled.
	(DISTFILES): Added bignum.h.in.
	(bignum.h): New target.
	(distclean-here): Delete bignum.h.

	* examples/ecc-benchmark.c (modinv_gcd) [NETTLE_USE_MINI_GMP]:
	Disable this benchmark.
	(mpn_random) [NETTLE_USE_MINI_GMP]: Provide a simple implementation.

	* testsuite/ecc-mod-test.c [NETTLE_USE_MINI_GMP]: Skip test, it
	depends on gmp_randstate_t.
	* testsuite/ecc-modinv-test.c [NETTLE_USE_MINI_GMP]: Likewise.
	* testsuite/ecc-mul-a-test.c [NETTLE_USE_MINI_GMP]: Likewise.
	* testsuite/ecc-mul-g-test.c [NETTLE_USE_MINI_GMP]: Likewise.
	* testsuite/ecc-redc-test.c [NETTLE_USE_MINI_GMP]: Likewise.

	Various preparations for mini-gmp support.
	* testsuite/bignum-test.c: Use WITH_HOGWEED instead of HAVE_LIBGMP
	for preprocessor conditionals.
	* testsuite/testutils.h: Likewise.
	* testsuite/sexp-format-test.c: Likewise.

	* testsuite/ecdsa-keygen-test.c (test_main): Use printf,
	mpz_out_str and write_mpn instead of gmp_fprintf.
	* testsuite/ecdsa-sign-test.c (test_ecdsa): Likewise.
	* testsuite/ecdsa-verify-test.c (test_ecdsa): Likewise.

	* dsa.h: Include bignum.h instead of gmp.h.
	* ecc-internal.h: Likewise.
	* ecc.h: Likewise.
	* gmp-glue.h: Likewise.
	* pkcs1.h: Likewise.
	* rsa.h: Likewise.

	* testsuite/testutils.c (die): Use plain vfprintf, not
	gmp_vfprintf.
	(write_mpn): New function.
	(test_ecc_point): Use it, replacing gmp_fprintf.
	* testsuite/testutils.h (write_mpn): Declare it.

	* der-iterator.c: Deleted HAVE_LIBGMP conditionals.

2014-06-07  Niels Möller  <nisse@lysator.liu.se>

	* Released nettle-3.0

2014-06-04  Niels Möller  <nisse@lysator.liu.se>

	* NEWS: List des-compat.h as a candidate for removal in the next
	release.

	* testsuite/des-compat-test.c (test_main): Fixed out of bounds
	memory read, reported by Nikos Mavrogiannopoulos.

	* nettle-write.h: Include <stddef.h>, fixing compilation on
	freebsd.

	* aclocal.m4 (ac_stdint): Fixed "unsinged" typo, spotted by Andy
	Goth.

2014-06-01  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/gcm-hash8.asm: Pass correct argument count to W64_EXIT.
	* x86_64/camellia-crypt-internal.asm: Pass correct argument count
	to W64_ENTRY and W64_EXIT.

	* x86_64/machine.m4 [W64_ABI]: Fix for the case of 6 function
	arguments. Also push %rdi unconditionally, and use aligned
	accesses for save and restore %xmm registers (movdqa).

2014-05-31  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: Check for COFF type directives.
	(ASM_COFF_STYLE): New substituted variable.
	* config.m4.in: Set COFF_STYLE from configure.
	* asm.m4 (PROLOGUE): Use COFF type directive, if enabled by
	configure. Fixes problem with windows dll linking.

	* asm.m4: Deleted unused offsets for struct aes_ctx.

2014-05-28  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/nettle-pbkdf2-test: Delete carriage return characters
	from output.

	* configure.ac (LIBHOGWEED_LIBS): Be explicit and link
	libhogweed.so with libnettle.so, not -lnettle.
	(LIBHOGWEED_LINK): Drop -L. flag, no longer needed, and previously
	not at the correct position in the link command line.

2014-05-27  Niels Möller  <nisse@lysator.liu.se>

	* examples/ecc-benchmark.c: If mpn_sec_powm is available,
	benchmark it, for modinv.
	(bench_modinv_powm): New function.
	(bench_curve): Use it.

2014-05-22  Niels Möller  <nisse@lysator.liu.se>

	From Claudio Bley:
	* Makefile.in ($(des_headers)): Use the EXEEXT_FOR_BUILD.

2014-05-15  Niels Möller  <nisse@lysator.liu.se>

	* NEWS: Updated with library version numbers.

	* configure.ac (dummy-dep-files): Use simpler and more portable
	sed expression. Problem reported by Peter Eriksson.
	(LIBHOGWEED_MAJOR): Bumped shared library version to 3.0.
	(LIBHOGWEED_MINOR): Reset to zero. Also increased the package
	version number to 3.0.

	* getopt.c: Don't use gettext.

2014-05-14  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/nettle-pbkdf2-test: Avoid the bash construction
	${#foo}.

	* getopt.c: Copied from glibc tree, tag glibc-2.19.
	* getopt.h: Likewise.
	* getopt1.c: Likewise.
	* getopt_int.h: New file, also copied from glibc.
	* Makefile.in (DISTFILES): Added getopt_int.h.

2014-05-09  Niels Möller  <nisse@lysator.liu.se>

	* mini-gmp.c: Updated, use version from gmp-6.0.0.
	* mini-gmp.h: Likewise.

	* testsuite/Makefile.in (all): Drop dependency on $(TARGETS), to
	delay building of test programs until make check.

2014-05-08  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (nettle_aead abstraction): Document nettle_aead.

	* Makefile.in (nettle_SOURCES): Added nettle-meta-aeads.c.
	* nettle-meta.h (nettle_aeads): Declare array.
	* nettle-meta-aeads.c (nettle_aeads): New file, new array.
	* testsuite/meta-aead-test.c: New test case.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
	meta-aead-test.c.

	* aclocal.m4 (GMP_PROG_CC_FOR_BUILD): If CC_FOR_BUILD is gcc, add
	-O option. This makes eccdata twice as fast.

2014-05-06  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo: Document SHA3 and ChaCha-Poly1305 as
	experimental.

2014-05-05  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (POLY1305): Document poly1305-aes.
	(Authenticated encryption): Move AEAD algorithms to their own
	section.
	(RSA, DSA, ECDSA): Change some subsections to subsubsections.
	(ChaCha-Poly1305): Document ChaCha-Poly1305.

2014-05-04  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (DSA): Document new DSA interface.
	(Salsa20): Update salsa20 docs.
	(ChaCha): Document ChaCha.

2014-05-03  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: Check for SIZEOF_SIZE_T.
	* ccm.c (ccm_set_nonce): Skip code for 64-bit encoding when size_t
	is only 32 bits.

	* nettle.texinfo (CCM): Document new ccm macros and constants.
	Describe ccm restrictions.

	* ccm.h (CCM_DIGEST_SIZE): New constant.

2014-04-30  Niels Möller  <nisse@lysator.liu.se>

	* ccm.c (CCM_IV_MAX_SIZE, CCM_IV_MIN_SIZE): Deleted, replaced by
	public constants CCM_MIN_NONCE_SIZE and CCM_MAX_NONCE_SIZE.
	(ccm_build_iv): Updated for above rename.
	(CCM_L_MAX_SIZE): Deleted, no longer used.

	* ccm.h (CCM_MIN_NONCE_SIZE, CCM_MAX_NONCE_SIZE): New constants.
	(CCM_MAX_MSG_SIZE): New macro.

2014-04-27  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (Cipher modes): Subsection on AEAD constructions.
	(GCM): Update GCM documentation, including functions for
	gcm_aes128, gcm_camellia128, ...

2014-04-26  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo: Update for introduction of nettle_cipher_func.
	(GCM): Document GCM_DIGEST_SIZE.
	(UMAC): Document new UMAC constants.
	(Keyed hash functions): Make HMAC and UMAC their own info nodes.
	(EAX): Document EAX.

	* umac.h (UMAC_MIN_NONCE_SIZE, UMAC_MAX_NONCE_SIZE): New
	constants.

2014-04-25  Niels Möller  <nisse@lysator.liu.se>

	* All hash-related files: Renamed all _DATA_SIZE constants to
	_BLOCK_SIZE, for consistency. Old names kept for backwards
	compatibility.

	* nettle.texinfo (CCM): Documentation for CCM mode, contributed by
	Owen Kirby.

	* testsuite/ccm-test.c (test_cipher_ccm): And tests.

	* ccm.c (ccm_decrypt_message): Change length argument, should now
	be clear text (dst) length.
	* ccm-aes128.c (ccm_aes128_decrypt_message): Likewise.
	* ccm-aes192.c (ccm_aes192_decrypt_message): Likewise.
	* ccm-aes256.c (ccm_aes256_decrypt_message): Likewise.
	* ccm.h: Updated prototypes.

2014-04-22  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (Recommended hash functions): Document additional
	sha512 variants.

	* sha2.h (sha512_224_ctx, sha512_256_ctx): New aliases for the
	sha512_ctx struct tag.

2014-04-17  Niels Möller  <nisse@lysator.liu.se>

	* examples/Makefile.in (SOURCES): Deleted next-prime.c (forgotten
	in 2014-04-13 change).

2014-04-16  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/ccm-test.c (test_cipher_ccm): Deleted check for NULL
	authdata.

	* sha3-224.c (sha3_224_init): Pass pointer to context struct, not
	pointer to first element, to memset.
	* sha3-256.c (sha3_256_init): Likewise.
	* sha3-384.c (sha3_384_init): Likewise.
	* sha3-512.c (sha3_512_init): Likewise.

	* examples/eratosthenes.c (vector_alloc): Use sizeof(*vector)
	instead of explicit type in malloc call.
	(vector_init): Make constant explicitly unsigned long.

	* tools/input.c (sexp_get_quoted_char): Deleted useless for loop.

2014-04-13  Niels Möller  <nisse@lysator.liu.se>

	* rsa-compat.c: Deleted file.
	* rsa-compat.h: Deleted file.
	* Makefile.in (hogweed_SOURCES): Deleted rsa-compat.c.
	(HEADERS): Deleted rsa-compat.h.

	* examples/next-prime.c: Deleted file.
	* bignum-next-prime.c (nettle_next_prime): Deleted file and
	function.
	* prime-list.h: Deleted file.
	* bignum.h (nettle_next_prime): Deleted prototype.
	* Makefile.in (hogweed_SOURCES): Deleted bignum-next-prime.c.
	(DISTFILES): Deleted prime-list.h.
	* examples/Makefile.in (HOGWEED_TARGETS): Deleted next-prime, and
	corresponding make target.

2014-04-12  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (Copyright): Updated licensing info.
	* README: Likewise.

	* Makefile.in (DISTFILES): Distribute new COPYING* files.

	* COPYING.LESSERv3: New file.
	* COPYINGv3: New file.
	* COPYING.LIB: Deleted.
	* COPYINGv2: New name for GPL version 2 file.
	* COPYING: Old name, deleted.

	* Update license headers for LGPL3+ and GPL2+ dual licensing.

2014-04-11  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/testutils.c (test_aead): Use aead->digest_size.

	* configure.ac: Skip GMP tests if public key support is disabled.

	* eax.c (block16_xor): Fixed bug effecting 32-bit platforms.

	* Makefile.in (DISTFILES): Deleted memxor.c, already included via
	nettle_SOURCES.
	* tools/Makefile.in (SOURCES): Add nettle-pbkdf2.c.

2014-04-10  Niels Möller  <nisse@lysator.liu.se>

	From Nikos Mavrogiannopoulos:
	* examples/hogweed-benchmark.c (bench_openssl_ecdsa_init): Support
	for secp192r1 and secp256r1.
	(alg_list): Add them.

2014-04-09  Niels Möller  <nisse@lysator.liu.se>

	* examples/nettle-benchmark.c (main): Benchmark sha512_224 and
	sha512_256.

	* testsuite/sha512-224-test.c: New file.
	* testsuite/sha512-256-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added new files.

	* nettle-meta.h (nettle_sha512_224, nettle_sha512_256): Declare.
	* sha512-224-meta.c (nettle_sha512_224): New file, new nettle_hash.
	* sha512-256-meta.c (nettle_sha512_256): New file, new nettle_hash.

	* sha2.h (SHA512_224_DIGEST_SIZE, SHA512_224_DATA_SIZE)
	(SHA512_256_DIGEST_SIZE, SHA512_256_DATA_SIZE): New constants.

	* sha512.c (sha512_256_digest): Typo fix, call sha512_256_init.

	* testsuite/testutils.c (test_hash): Removed redundant init call.
	Tests that digest implies init.

2014-03-28  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/dsa-keygen-test.c (test_main): Explicitly use
	dsa_compat_generate_keypair.
	(test_main): Test dsa_generate_params and dsa_generate_keypair
	with a large q; p_bits = 1024, q_bits = 768.

	* testsuite/testutils.h: Undo dsa-compat.h name mangling.

	* dsa-keygen.c (dsa_generate_keypair): New interface, generating
	only a keypair, and no new parameters.
	* dsa-compat-keygen.c (dsa_compat_generate_keypair): New file.
	Moved old key generation function here. Use dsa_generate_keypair.

2014-03-27  Niels Möller  <nisse@lysator.liu.se>

	* dsa-compat.c (dsa_public_key_init, dsa_public_key_clear)
	(dsa_private_key_init, dsa_private_key_clear): : Move deprecated
	DSA functions to a separate file...
	* dsa.c: ...from here.
	* dsa-compat.h: New file, declaring deprecated DSA interface.
	Include in corresponding C files.
	* Makefile.in (hogweed_SOURCES): Add dsa-compat.c.
	(HEADERS): Add dsa-compat.h.

	* dsa-gen-params.c (dsa_generate_params): New file and function,
	extracted from DSA key generation.
	* dsa-keygen.c (dsa_generate_keypair): Use dsa_generate_params.

2014-03-26  Niels Möller  <nisse@lysator.liu.se>

	* der2dsa.c (dsa_params_from_der_iterator): Converted to new DSA
	interface. Allow q_size == 0, meaning any q < p is allowed.
	Additional validity checks.
	(dsa_public_key_from_der_iterator): Converted to new DSA
	interface. Also check that the public value is in the correct
	range.
	(dsa_openssl_private_key_from_der_iterator): Converted
	to new DSA interface. Additional validity checks.
	(dsa_openssl_private_key_from_der): Converted to new DSA
	interface.
	* tools/pkcs1-conv.c (convert_dsa_private_key): Update to use
	struct dsa_params, and adapt to the der decoding changes.
	(convert_public_key): Likewise.

	* examples/hogweed-benchmark.c: Update dsa benchmarking to use new
	DSA interface.

	* dsa.c (dsa_params_init, dsa_params_clear): New functions.
	(dsa_public_key_init): Use dsa_params_init.
	(dsa_public_key_clear): Use dsa_params_clear.

	* sexp2dsa.c (dsa_keypair_from_sexp_alist): Converted to new DSA
	interface. Allow q_size == 0, meaning any q < p is allowed.
	Additional validity checks.
	(dsa_sha1_keypair_from_sexp, dsa_sha256_keypair_from_sexp):
	Converted to new DSA interface.

	* dsa2sexp.c (dsa_keypair_to_sexp): Converted to new DSA
	interface.
	* tools/pkcs1-conv.c: Updated uses of dsa_keypair_to_sexp.

	* dsa.h (struct dsa_params): New struct.

	* dsa-sign.c (dsa_sign): Use struct dsa_params, with key as a
	separate mpz_t.
	* dsa-verify.c (dsa_verify): Likewise.
	* dsa-sha1-verify.c (dsa_sha1_verify_digest, dsa_sha1_verify): Use
	dsa_verify, cast the struct dsa_public_key * input to a struct
	dsa_params *
	* dsa-sha256-verify.c (dsa_sha256_verify_digest)
	(dsa_sha256_verify): Likewise.
	* dsa-sha1-sign.c (dsa_sha1_sign_digest, dsa_sha1_sign): Likewise
	use dsa_sign, with a cast from struct dsa_public_key * to struct
	dsa_params *.
	* dsa-sha256-sign.c (dsa_sha256_sign_digest, dsa_sha256_sign):
	Likewise.

	* testsuite/testutils.c (test_dsa_verify): Use struct dsa_params.
	(test_dsa_key): Likewise.
	* testsuite/dsa-test.c (test_main): Adapt to test_dsa_key and
	test_dsa_verify changes.
	* testsuite/dsa-keygen-test.c (test_main): Adapt to
	test_dsa_key change.

	* testsuite/testutils.c (test_dsa_sign): #if out, currently
	unused.

2014-03-23  Niels Möller  <nisse@lysator.liu.se>

	From Owen Kirby:
	* ccm.c: New file.
	* ccm.h: New file.
	* ccm-aes128.c: New file.
	* ccm-aes192.c: New file.
	* ccm-aes256.c: New file.
	* Makefile.in (nettle_SOURCES): Added ccm source files.
	(HEADERS): Added ccm.h.
	* testsuite/ccm-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added ccm-test.c.

2014-03-20  Niels Möller  <nisse@lysator.liu.se>

	From Joachim Strömbergson:
	* sha512.c (K): Indentation fix.
	(sha512_224_init, sha512_224_digest, sha512_256_init)
	(sha512_256_digest): New functions.
	* sha2.h: Add prototypes.
	(sha512_224_update, sha512_256_update): New aliases for
	sha512_update.

2014-03-18  Niels Möller  <nisse@lysator.liu.se>

	* examples/nettle-benchmark.c (main): Add benchmarking of arcfour,
	salsa20 and chacha, via time_aead.

	* nettle-internal.c (nettle_arcfour128): Define, as a struct
	nettle_aead (with NULL set_nonce, update, and digest methods).
	* examples/nettle-openssl.c (nettle_openssl_arcfour128): Likewise.
	* nettle-internal.h (nettle_arcfour128)
	(nettle_openssl_arcfour128): Declare.

	* nettle-types.h (nettle_cipher_func): New typedef, similar to
	nettle_crypt_func, but with a const context, intended for block
	ciphers.
	* nettle-meta.h (struct nettle_cipher): Use the nettle_cipher_func
	type.
	* Many other files affected: aes*-meta.c, camellia*-meta.c,
	cast128-meta.c, serpent-meta.c, twofish-meta.c, cbc.[ch],
	ctr.[ch], ctr.[ch], des-compat.c, eax.[ch], gcm*.[ch],
	nettle-internal.*, testsuite/aes-test.c,
	examples/nettle-benchmark.c, examples/nettle-openssl.c.

2014-03-16  Niels Möller  <nisse@lysator.liu.se>

	* chacha-set-key.c: Include string.h.

	* arcfour-meta.c: Deleted file.
	* nettle-meta.h (nettle_arcfour128): Deleted declaration.
	* nettle-meta-ciphers.c (nettle_ciphers): Deleted
	nettle_arcfour128 from list.
	* Makefile.in (nettle_SOURCES): Deleted arcfour-meta.c.
	* examples/nettle-openssl.c (nettle_openssl_arcfour128): Deleted.
	* testsuite/meta-cipher-test.c: Adjust test for removal of
	nettle_arcfour128.

2014-03-15  Niels Möller  <nisse@lysator.liu.se>

	* examples/nettle-benchmark.c (struct bench_aead_info): New
	struct.
	(bench_aead_crypt, bench_aead_update, init_nonce, time_aead): New
	functions, for benchmarking aead algorithms.
	(time_gcm, time_eax): Deleted functions.
	(main): Use time_aead to benchmark gcm, eax and chacha-poly1305.

	* salsa20.h (SALSA20_NONCE_SIZE): Renamed constant, old name
	SALSA20_IV_SIZE kept as an alias.
	(salsa20_set_nonce): Update prototype for the 2014-01-20 rename.

	* Makefile.in (.asm.s): Add dependencies.
	(.s.o, .s.po): Empty any dependency .d file.

2014-03-04  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/chacha-test.c (test_main): Additional test cases, for
	256-bit keys.

	* Makefile.in (nettle_SOURCES): Deleted chacha128-set-key.c and
	chacha256-set-key.c.

	* chacha.h (CHACHA256_KEY_SIZE): Deleted.
	(chacha_set_key): Updated prototype.
	* chacha256-set-key.c (chacha256_set_key): Deleted file and
	function, moved to...
	* chacha-set-key.c (chacha_set_key): Do 256-bit keys only. Deleted
	length argument. Updated all callers.

	* chacha128-set-key.c (chacha128_set_key): Deleted file and
	function. Support for 128-bit chacha keys may be reintroduced
	later, if really needed.
	* chacha.h: Deleted chacha128-related declarations.
	* chacha-set-key.c (chacha_set_key): Drop support for 128-bit
	keys.
	* testsuite/chacha-test.c (test_main): #if:ed out all tests with
	128-bit keys.

2014-02-16  Niels Möller  <nisse@lysator.liu.se>

	* gcm.h: Declarations for gcm-camellia256.
	* gcm-camellia256.c: New file.
	* gcm-camellia256-meta.c: New file.
	* nettle-meta.h (nettle_gcm_camellia256): Declare.
	* Makefile.in (nettle_SOURCES): Added gcm-camellia256.c and
	gcm-camellia256-meta.c.
	* testsuite/gcm-test.c (test_main): Test cases for
	nettle_gcm_camellia256.

	* gcm.h: Include camellia.h. Declarations for gcm-camellia128.
	* gcm-camellia128.c: New file.
	* gcm-camellia128-meta.c: New file.
	* nettle-meta.h (nettle_gcm_camellia128): Declare.
	* Makefile.in (nettle_SOURCES): Added gcm-camellia128.c and
	gcm-camellia128-meta.c.
	* testsuite/gcm-test.c (test_main): Test cases for
	nettle_gcm_camellia128. From Nikos Mavrogiannopoulos.

2014-02-13  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (nettle_SOURCES): Added eax-aes128.c
	eax-aes128-meta.c.
	* examples/nettle-benchmark.c: Include eax.h.
	* nettle-meta.h (nettle_eax_aes128): Declare, moved from
	nettle-internal.h.
	* eax.h: Declare eax_aes128_ctx and related functions. Moved from
	nettle-internal.h
	(EAX_IV_SIZE): New constant.
	* eax-aes128-meta.c (nettle_eax_aes128): Moved definition to new
	file.
	* eax-aes128.c (eax_aes128_set_key, eax_aes128_set_nonce)
	(eax_aes128_update, eax_aes128_encrypt, eax_aes128_decrypt)
	(eax_aes128_digest): Moved functions to a new file.
	* nettle-internal.c: ... from old location.
	* nettle-internal.h: Moved eax declarations elsewhere.

	* tools/nettle-pbkdf2.c (main): Added missing deallocation.

2014-02-12  Niels Möller  <nisse@lysator.liu.se>

	* chacha-poly1305.h: New file.
	* chacha-poly1305.c: New file.
	* chacha-poly1305-meta.c (nettle_chacha_poly1305): New file, new
	aead algorithm.
	* nettle-meta.h (nettle_chacha_poly1305): Declare.

	* Makefile.in (nettle_SOURCES): Added chacha-poly1305.c and
	chacha-poly1305-meta.c.
	(HEADERS): Added chacha-poly1305.h.

	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
	chacha-poly1305-test.c.
	* testsuite/chacha-poly1305-test.c: New file.

	* nettle-meta.h (struct nettle_aead): New generalized version
	if this struct.
	(nettle_gcm_aes128, nettle_gcm_aes192, nettle_gcm_aes256)
	(nettle_eax_aes128): Declare, moved from nettle-internal.h.
	* nettle-internal.h (struct nettle_aead): Deleted struct, moved to
	nettle-meta.h. Deleted declarations of unused instances.
	(_NETTLE_AEAD): Deleted macro.
	* nettle-internal.c (nettle_eax_aes128): Updated for new
	nettle_aead struct.
	(nettle_gcm_aes128, nettle_gcm_aes192, nettle_gcm_aes256):
	Deleted, moved to new files.
	* gcm-aes128-meta.c (nettle_gcm_aes128): Moved to new file,
	updated for new nettle_aead struct.
	* gcm-aes192-meta.c (nettle_gcm_aes192): Likewise.
	* gcm-aes256-meta.c (nettle_gcm_aes256): Likewise.
	* testsuite/testutils.c (test_aead): Take alternative set_nonce
	function as argument, and use it when nonce size differs from
	aead->nonce_length.
	* testsuite/testutils.h (test_aead): Updated prototype.
	* testsuite/gcm-test.c (nettle_gcm_unified_aes128): Updated for
	new nettle_aead struct.
	(test_main): Pass additional argument to test_aead.
	* testsuite/eax-test.c (test_main): Pass additional NULL argument
	to test_aead.

	* eax.h (EAX_DIGEST_SIZE): New constant.
	* gcm.h (GCM_DIGEST_SIZE): Likewise.

2014-02-10  Niels Möller  <nisse@lysator.liu.se>

	* chacha-set-nonce.c (chacha_set_nonce): Renamed file and
	function, updated callers and Makefile.in.
	* chacha-set-iv.c (chacha_set_iv): ... from old names.

2014-02-08  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/chacha-test.c (test_chacha): For 20 rounds, use
	chacha_crypt, and test varying the message length.
	(test_main): Add second key stream block, for all testcases with
	20 rounds.

	* chacha-crypt.c (chacha_crypt): Fixed block counter update.

2014-02-07  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (ASCII encoding): Document that
	base16_encode_update and base64_encode_update now uses dst_length
	as an output only.

	* testsuite/base64-test.c (test_main): Updated
	base64_decode_update test case.

	* sexp-transport.c (sexp_transport_iterator_first): For
	base64_decode_update, omit initialization of coded_length.
	* examples/base64dec.c (main): Likewise.
	* examples/base16dec.c (main): Likewise, for base16_decode_update.

	* base64-decode.c (base64_decode_update): Use *dst_length for
	output only. Don't require callers to pass a sane value.
	* base16-decode.c (base16_decode_update): Likewise.

2014-02-06  Niels Möller  <nisse@lysator.liu.se>

	* NEWS: List _set_key incompatibilities.

	* nettle-meta.h (_NETTLE_CIPHER_SEP, _NETTLE_CIPHER_SEP_SET_KEY)
	(_NETTLE_CIPHER_FIX, _NETTLE_CIPHER): Deleted unused macros.

	* nettle-internal.c (nettle_blowfish128): Deleted only use of
	_NETTLE_CIPHER.

	* blowfish.c (blowfish128_set_key): New function.
	* blowfish.h (BLOWFISH128_KEY_SIZE): New constant.

	* cast128-meta.c (nettle_cast128): Deleted only use of
	_NETTLE_CIPHER_FIX.

	* examples/nettle-benchmark.c (time_cipher): Fixed memset calls.

2014-01-30  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (nettle_SOURCES): Arrange in alphabetic order.

	* nettle.texinfo: Updated, document size_t for length arguments.
	Document new AES and Camellia interfaces.

	* ecc-size.c (ecc_bit_size): New function.
	* ecc.h (ecc_bit_size): Declare it.

2014-01-29  Niels Möller  <nisse@lysator.liu.se>

	* nettle-types.h (typedef nettle_set_key_func): Deleted length
	argument.

	* arctwo.c (arctwo40_set_key, arctwo64_set_key)
	(arctwo128_set_key, arctwo128_set_key_gutmann): New functions.
	* arctwo.h: Declare them.
	* arctwo-meta.c (ARCTWO): New macro.
	(nettle_arctwo40, nettle_arctwo64, nettle_arctwo128)
	(nettle_arctwo_gutmann128): Use new _set_key functions.

	* arcfour.h (ARCFOUR128_KEY_SIZE): New constant.
	* arcfour.c (arcfour128_set_key): New function.
	* arcfour-meta.c (nettle_arcfour128): Use arcfour128_set_key and
	ARCFOUR128_KEY_SIZE.

	* cast128.c (cast5_set_key): Renamed, was cast128_set_key.
	(cast128_set_key): New definition, with fixed key size.
	* cast128.h (CAST128_MIN_KEY_SIZE, CAST128_MAX_KEY_SIZE): Renamed
	constants, to...
	(CAST5_MIN_KEY_SIZE, CAST5_MAX_KEY_SIZE): ... new names.

	* eax.h (EAX_SET_KEY): Deleted length argument.

	* aes128-meta.c: Deleted _set_key wrappers.
	* aes192-meta.c: Likewise.
	* aes256-meta.c: Likewise.
	* camellia128-meta.c: Likewise.
	* camellia192-meta.c: Likewise.
	* camellia256-meta.c: Likewise.

	* gcm-aes128.c (gcm_aes128_set_key): Deleted length argument.
	* gcm-aes192.c (gcm_aes192_set_key): Likewise.
	* gcm-aes256.c (gcm_aes256_set_key): Likewise.
	* gcm.h: Updated prototypes.

	* serpent-set-key.c (serpent128_set_key, serpent192_set_key)
	(serpent256_set_key): New functions.
	* serpent.h: Declare new functions.
	(SERPENT128_KEY_SIZE, SERPENT192_KEY_SIZE)
	(SERPENT256_KEY_SIZE): New constants.
	* serpent-meta.c (SERPENT): New macro.
	(nettle_serpent128, nettle_serpent192, nettle_serpent256): Use new
	_set_key functions.

	* twofish-set-key.c (twofish128_set_key, twofish192_set_key)
	(twofish256_set_key): New functions.
	* twofish.h: Declare new functions.