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2014-01-27  Niels Möller  <nisse@lysator.liu.se>

	Chacha implementation, based on contribution by Joachim
	Strömbergson.
	* chacha.h: New file.
	* chacha256-set-key.c (chacha256_set_key): New file and function.
	* chacha128-set-key.c (chacha128_set_key): New file and function.
	* chacha-set-key.c (chacha_set_key): New file and function.
	* chacha-set-iv.c (chacha_set_iv): New file and function.
	* chacha-core-internal.c (_chacha_core): New file and function.
	* chacha-crypt.c (chacha_crypt): New file and function.
	* Makefile.in (nettle_SOURCES): Added chacha files.
	(HEADERS): Added chacha.h.
	* testsuite/chacha-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added chacha-test.c.

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2014-01-26  Niels Möller  <nisse@lysator.liu.se>

	* nettle-internal.h (_NETTLE_AEAD_FIX): Renamed to...
	(_NETTLE_AEAD): ... new name, and deleted old definition. Also use
	_set_nonce instead of _set_iv.
	* nettle-internal.c (nettle_gcm_aes128, nettle_gcm_aes192)
	(nettle_gcm_aes256): Define in terms of new interface.
	(nettle_eax_aes128): Updated for _NETTLE_AEAD changes.

	* testsuite/gcm-test.c (test_gcm_hash): Likewise use struct
	gcm_aes128_ctx.
	(test_main): Added a testcase using the old interface based on
	struct gcm_aes_ctx.

	* examples/nettle-benchmark.c (time_gcm): Update to use new struct
	gcm_aes128_ctx. Also use name "gcm-aes128" in output.

	* gcm.h: New interface for gcm_aes128, gcm_aes192, gcm_aes256,
	using the new AES interface.
	(GCM_CTX): Reorder fields, putting the cipher context
	last.

	* Makefile.in (nettle_SOURCES): Added gcm-aes128.c, gcm-aes192.c,
	and gcm-aes256.c.

	* gcm-aes128.c: New file.
	* gcm-aes192.c: New file
	* gcm-aes256.c: New file.

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2014-01-25  Niels Möller  <nisse@lysator.liu.se>

	* gcm.h (GCM_SET_KEY): Deleted length argument.
	* gcm-aes.c (gcm_aes_set_key): Use aes_set_encrypt_key and
	gcm_set_key, can no longer use GCM_SET_KEY macro.

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2014-01-23  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/gcm-test.c (test_main): Use the correct
	nettle_gcm_aes128/192/256 object.

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2014-01-21  Niels Möller  <nisse@lysator.liu.se>

	Merged camellia-reorg changes (starting at 2013-10-07).

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2013-10-10  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (nettle_SOURCES): Updated list of camellia files.

	* testsuite/camellia-test.c (test_invert): Updated for new
	camellia interface.

	* camellia.h: Reorganized camellia interface, with distinct
	context structs and functions for camellia128 and camellia256.

	* camellia-meta.c: Deleted file.
	* camellia256-meta.c: New file.
	* camellia192-meta.c: New file.
	* camellia128-meta.c: New file.

	* camellia-set-decrypt-key.c: Deleted file, code moved to:
	* camellia128-set-decrypt-key.c: New file.
	(camellia128_invert_key, camellia128_set_decrypt_key): New
	functions.
	* camellia256-set-decrypt-key.c: New file.
	(camellia256_invert_key, camellia256_set_decrypt_key)
	(camellia192_set_decrypt_key): New functions.
	* camellia-invert-key.c (_camellia_invert_key): New file and
	function.

	* camellia-set-encrypt-key.c: Deleted file, code moved to:
	* camellia128-set-encrypt-key.c: New file.
	(camellia128_set_encrypt_key): New function.
	* camellia256-set-encrypt-key.c: New file.
	(_camellia256_set_encrypt_key, camellia256_set_encrypt_key)
	(camellia192_set_encrypt_key): New functions.
	* camellia-absorb.c (_camellia_absorb): New file and function.
	* camellia-internal.h: Moved key schedule macros here.

	* camellia-crypt.c: Deleted file, code moved to:
	* camellia128-crypt.c (camellia128_crypt): New file and function.
	* camellia256-crypt.c (camellia256_crypt): New file and function.

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2013-10-07  Niels Möller  <nisse@lysator.liu.se>

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	* configure.ac: Delete check for ALIGNOF_UINT64_T, no longer
	needed.
	* config.m4.in: Likewise delete ALIGNOF_UINT64_T.

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	* camellia-crypt.c (camellia_crypt): Updated call to
	_camellia_crypt.
	* camellia-internal.h (_camellia_crypt): Updated prototype.
	* camellia-crypt-internal.c (_camellia_crypt): Take separate
	arguments for rounds and subkey array.
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	* x86_64/camellia-crypt-internal.asm: Likewise.	Also corrected
	.file pseudo-ops.
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	* x86/camellia-crypt-internal.asm: Likewise.

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2014-01-20  Niels Möller  <nisse@lysator.liu.se>

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	* poly1305-internal.c (poly1305_digest): Use union nettle_block16
	for s argument.
	* poly1305-aes.c (poly1305_aes_digest): Update for poly1305_digest
	change.

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	Merged poly1305 changes (starting at 2013-11-08).
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	* x86_64/poly1305-internal.asm: Update to new interface.
	poly1305_digest much simplified.

	* poly1305.h (struct poly1305_ctx): Moved block and index
	fields...
	(struct poly1305_aes_ctx): ... to here.
	* asm.m4: Delete also from the assembly definition of struct
	poly1305_ctx.

	* poly1305-internal.c (poly1305_digest): Don't do final padding
	here, leave that to caller. Add digest to the provided nonce s,
	and deleted length and dst arguments. Also reset h0-h4 to zero
	when done.
	(_poly1305_block): Renamed, from...
	(poly1305_block): ...old name.

	* poly1305-aes.c (poly1305_aes_update): New function.
	(poly1305_aes_digest): Update for poly1305_digest changes, do
	final padding here.

	* poly1305.c (poly1305_update): Deleted file and function. Moved
	to poly1305-aes.c.
	* Makefile.in (nettle_SOURCES): Deleted poly1305.c.

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2014-01-17  Niels Möller  <nisse@lysator.liu.se>

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	* poly1305-internal.c (poly1305_block): Additional argument with
	the high bit.
	(poly1305_block_internal): Deleted function, code moved into the
	poly1305_block.
	(poly1305_digest): Simplified padding code, call poly1305_block
	with high bit 0.
	* poly1305.h (poly1305_block): Update prototype.
	* poly1305.c (poly1305_update): Call poly1305_block with high bit 1.
	* x86_64/poly1305-internal.asm (poly1305_block): Handle new
	argument.

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	* poly1305.h (struct poly1305_ctx): Moved nonce field from here...
	(struct poly1305_aes_ctx): ... to here.
	* poly1305-aes.c (poly1305_aes_set_nonce, poly1305_aes_digest):
	Updated for above.
	* poly1305.c (poly1305_set_nonce): Deleted function.
	* asm.m4: Delete nonce also from the assembly definition of struct
	poly1305_ctx.

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2014-01-16  Niels Möller  <nisse@lysator.liu.se>

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	* poly1305-aes.c: Include poly1305.h. Rewrite functions without
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	using the POLY1305_* macros.

	* Makefile.in (HEADERS): Deleted poly1305-aes.h.

	* poly1305.h (POLY1305_CTX, POLY1305_SET_KEY, POLY1305_SET_NONCE)
	(POLY1305_DIGEST): Deleted macros. Only implemented variant is
	poly1305-aes.
	(POLY1305_DIGEST_SIZE, POLY1305_BLOCK_SIZE, POLY1305_KEY_SIZE):
	New constants.
	(POLY1305_AES_KEY_SIZE, POLY1305_AES_DIGEST_SIZE): Moved here,
	from poly1305-aes.h.
	(struct poly1305_aes_ctx): Likewise.
	(poly1305_aes_set_key, poly1305_aes_set_nonce)
	(poly1305_aes_update, poly1305_aes_digest): Likewise.
	* poly1305-aes.h: Deleted file, declarations moved to poly1305.h.
	Update all users.

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	* poly1305-internal.c (s2, s3, s4): Fixed macros.

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	* poly1305-aes.h (struct poly1305_aes_ctx): Replace struct aes_ctx
	by struct aes128_ctx.
	* poly1305-aes.c (poly1305_aes_set_key, poly1305_aes_digest):
	Update to use aes128_* functions.
	* poly1305.h (POLY1305_SET_KEY): Drop key size argument when
	calling set_key.

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2013-12-19  Niels Möller  <nisse@lysator.liu.se>

	* poly1305-aes.h (poly1305_aes_update): Define as an alias for
	poly1305_update, using preprocessor and a type cast.

	* poly1305-aes.c (poly1305_aes_update): Deleted function.

	* poly1305.h (poly1305_update): Declare.
	(_POLY1305_BLOCK, POLY1305_UPDATE): Deleted macros.

	* poly1305.c (poly1305_update): New function.

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2013-11-21  Niels Möller  <nisse@lysator.liu.se>

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	* x86_64/poly1305-internal.asm: New file. Almost a factor of two
	speedup.

	* configure.ac (asm_replace_list): Added poly1305-internal.asm.

	* asm.m4: Define struct ffsets for 64-bit poly1305_ctx.

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	* poly1305.h (POLY1305_DIGEST): Pass the encrypted nonce as an
	additional argument to poly1305_digest.
	(struct poly1305_ctx): Introduce unions, to support either 26-bit
	or 64-bit implementation.

	* poly1305-internal.c (poly1305_digest): Added s argument.

	* poly1305.c (poly1305_set_s): Deleted function.

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2013-11-12  Niels Möller  <nisse@lysator.liu.se>

	* poly1305-internal.c: New file, for poly1305 functions depending
	on the internal mod (2^130 - 5) representation.
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	(poly1305_block_internal): New helper function.
	(poly1305_block, poly1305_digest): Use it.
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2013-11-08  Nikos Mavrogiannopoulos  <nmav@gnutls.org>

	* poly1305.h: New file.
	* poly1305.c: New file.
	* poly1305-aes.h: New file.
	* poly1305-aes.c: New file.
	* Makefile.in (nettle_SOURCES): Added poly1305-aes.c and poly1305.c.
	(HEADERS): Added poly1305-aes.h and poly1305.h.

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

	* examples/nettle-benchmark.c (time_poly1305_aes): New function.
	(main): Benchmark poly1305.

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2014-01-20  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (nettle_SOURCES): Added salsa20-set-nonce.c,
	salsa20-128-set-key.c, and salsa20-256-set-key.c.

	* salsa20.h: Declare new functions.
	(SALSA20_128_KEY_SIZE, SALSA20_256_KEY_SIZE): New constants.
	(salsa20_set_iv): Define as an alias for salsa20_set_nonce.

	* salsa20-set-key.c (salsa20_set_key): Use salsa20_128_set_key and
	salsa20_256_set_key.
	(salsa20_set_iv): Renamed and moved...
	* salsa20-set-nonce.c (salsa20_set_nonce): ... new file, new name.

	* salsa20-256-set-key.c (salsa20_256_set_key): New file and
	function.
	* salsa20-128-set-key.c (salsa20_128_set_key): New file and
	function.

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2014-01-13  Niels Möller  <nisse@lysator.liu.se>

	* nettle-types.h (union nettle_block16): New type, replacing union
	gcm_block.
	* gcm.h (union gcm_block): Deleted. Replaced by nettle_block16.
	* gcm.c: Replaced all use of gcm_block by nettle_block16.

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2014-01-04  Niels Möller  <nisse@lysator.liu.se>

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	* config.guess: Updated to 2014-01-01 version, from
	git://git.sv.gnu.org/config.git.
	* config.sub: Likewise.

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	* testsuite/memxor-test.c [HAVE_VALGRIND_MEMCHECK_H] (test_mark):
	New function.
	(test_memxor, test_memxor3): Use test_mark to tell valgrind the
	start and end of src and destination areas.

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	* configure.ac: Check for valgrind/memcheck.h.

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	* testsuite/Makefile.in (VALGRIND): Added --partial-loads-ok=yes,
	needed for the way unaligned data is handled in, e.g., memxor.

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2014-01-03  Niels Möller  <nisse@lysator.liu.se>

	* shadata.c (main): Zero-pad output values to 8 hex digits.
	* sha256.c (K): Updated table.

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2013-12-17  Niels Möller  <nisse@lysator.liu.se>
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	* configure.ac (ASM_RODATA): New substituted variable. Needed for
	portability to darwin.
	* config.m4.in: Define RODATA, using configure variable ASM_RODATA
	* x86_64/gcm-hash8.asm: Use RODATA macro.

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	* bignum-random-prime.c (_nettle_generate_pocklington_prime): Use
	stronger variants of Pocklington's theorem, to allow p0 of size
	down to bits/3.

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2013-12-15  Niels Möller  <nisse@lysator.liu.se>

	* nettle-internal.h (NETTLE_MAX_BIGNUM_BITS)
	(NETTLE_MAX_BIGNUM_SIZE): Deleted arbitrary limits.

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2013-12-15  Nikos Mavrogiannopoulos <nmav@redhat.com>

	Introduced TMP_GMP_ALLOC macro for temporary allocations of
	potentially large data, e.g, sized as an RSA key.
	* gmp-glue.h (TMP_GMP_DECL, TMP_GMP_ALLOC, TMP_GMP_FREE): New
	macros.
	* gmp-glue.c (gmp_alloc, gmp_free): New functions.
	* bignum-next-prime.c (nettle_next_prime): Use TMP_GMP_ALLOC.
	* bignum-random.c (nettle_mpz_random_size): Likewise.
	* pkcs1-decrypt.c (pkcs1_decrypt): Likewise.
	* pkcs1-encrypt.c (pkcs1_encrypt): Likewise.
	* pkcs1-rsa-digest.c (pkcs1_rsa_digest_encode): Likewise.
	* pkcs1-rsa-sha512.c (pkcs1_rsa_sha512_encode)
	(pkcs1_rsa_sha512_encode_digest): Likewise.
	* pkcs1-rsa-sha256.c (pkcs1_rsa_sha256_encode)
	(pkcs1_rsa_sha256_encode_digest): Likewise.
	* pkcs1-rsa-sha1.c (pkcs1_rsa_sha1_encode)
	(pkcs1_rsa_sha1_encode_digest): Likewise.
	* pkcs1-rsa-md5.c (pkcs1_rsa_md5_encode)
	(pkcs1_rsa_md5_encode_digest): Likewise.

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2013-12-14  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/gcm-hash8.asm: Use .short rather than .hword, for
	compatibility with apple's assembler.

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2013-12-03  Niels Möller  <nisse@lysator.liu.se>

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	* x86_64/sha1-compress.asm: Reorganized, to get closer to the x86
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	version. No difference in running time.
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	* configure.ac (dummy-dep-files): Don't overwrite any existing
	dependency files.

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	* x86_64/md5-compress.asm: New file, similar to the x86 version.
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	35% speedup on AMD, 15% speedup on Intel.
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2013-11-25  Niels Möller  <nisse@lysator.liu.se>

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	* testsuite/dsa-test.c (test_main): Additional tests from NIST
	test vectors.

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	* testsuite/testutils.c (test_dsa_sign, test_dsa_verify): New
	functions, supporting arbitrary digest size.

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	* testsuite/testutils.h (ASSERT): Improved failure message.

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	* dsa-verify.c (dsa_verify): Renamed, from _dsa_verify.
	* dsa-sign.c (dsa_sign): Renamed, from _dsa_sign.

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2013-11-24  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/dsa-keygen-test.c (test_main): Test generating a
	key with 224-bit q.

	* dsa-verify.c (_dsa_verify): Use _dsa_hash.

	* dsa-sign.c (_dsa_sign): Use _dsa_hash. Fix memory leak in
	error case, spotted by Nikos.

	* dsa-keygen.c (dsa_generate_keypair): Allow q_bits == 224.

	* dsa-hash.c (_dsa_hash): New file and function. Allows digest
	sizes not matching the bitsize of q.
	* dsa.h (_dsa_hash): Declare it.
	* Makefile.in (hogweed_SOURCES): Added dsa-hash.c.

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2013-11-23  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: Check also for openssl/ecdsa.h.

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2013-10-05  Niels Möller  <nisse@lysator.liu.se>

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	* Makefile.in (nettle_SOURCES): Added eax.c.
	(HEADERS): Added eax.h.

	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added eax-test.c.

	* testsuite/eax-test.c: New file.

	* nettle-internal.c (nettle_eax_aes128): New aead algorithm.
	(eax_aes128_set_key, eax_aes128_set_nonce, eax_aes128_update)
	(eax_aes128_encrypt, eax_aes128_decrypt, eax_aes128_digest): New
	functions.

	* eax.c: New file.
	* eax.h: New file.

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	* aes.h: Fixed type in name mangling for new aes functions.

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2013-09-28  Niels Möller  <nisse@lysator.liu.se>

	* Merge aes-reorg branch. Changes below,
	dated 2013-05-17 - 2013-08-13.

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2013-08-13  Niels Möller  <nisse@lysator.liu.se>

	* yarrow.h (struct yarrow256_ctx): Use aes256_ctx, not aes_ctx.
	* yarrow256.c: Adapted to use new aes256 interface.

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2013-08-07  Niels Möller  <nisse@lysator.liu.se>

	* umac.h (_UMAC_STATE): Use struct aes128_ctx, not aes_ctx.
	* umac-set-key.c (umac_kdf, _umac_set_key): Use aes128 interface.
	* umac32.c (umac32_digest): Likewise.
	* umac64.c (umac64_digest): Likewise.
	* umac96.c (umac96_digest): Likewise.
	* umac128.c (umac128_digest): Likewise.

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2013-06-25  Niels Möller  <nisse@lysator.liu.se>

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	* aes-meta.c: Deleted file.

	Analogous changes for new aes192 and aes256 interface.

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	* aes.h (struct aes128_ctx): New aes128 declarations.
	* aes-decrypt.c (aes128_decrypt): New function.
	* aes-encrypt.c (aes128_encrypt): New function.
	* aes128-meta.c: New file.
	* aes128-set-encrypt-key.c (aes128_set_encrypt_key): New file and
	function.
	* aes128-set-decrypt-key.c (aes128_set_decrypt_key)
	(aes128_invert_key): New file and functions.
	* Makefile.in (nettle_SOURCES): Added aes128-set-encrypt-key.c,
	aes128-set-decrypt-key.c and aes128-meta.c.

	* nettle-internal.c (nettle_unified_aes128): For testing the old
	AES interface.
	* testsuite/aes-test.c (test_cipher2): New function.
	(test_main): Test both nettle_aes128 and nettle_unified_aes128.

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	* Makefile.in (nettle_SOURCES): Added aes-invert-internal.c and
	aes-set-key-internal.c.

	* aes.h (AES128_KEY_SIZE, _AES128_ROUNDS): New constants.
	Similarly also for aes192 and aes256.

	* aes-internal.h: Declare new functions.

	* aes-set-key-internal.c (_aes_set_key): New file and funxtion
	extracted from aes_set_encrypt_key.
	* aes-set-encrypt-key.c (aes_set_encrypt_key): Use _aes_set_key.

	* aes-invert-internal.c (_aes_invert): New file and function,
	extracted from aes_invert_key.
	* aes-set-decrypt-key.c (aes_invert_key): Use _aes_invert.

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	* arm/v6/aes-encrypt-internal.asm: Adapted to new interface.
	Unfortunately, 4% slowdown on Cortex-A9, for unknown reason.
	* arm/v6/aes-decrypt-internal.asm: Likewise.
	* arm/aes-encrypt-internal.asm: Adapted to new interface.
	* arm/aes-decrypt-internal.asm: Likewise.

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	* sparc32/aes-encrypt-internal.asm: Adapted to new interface.
	* sparc32/aes-decrypt-internal.asm: Likewise.
	* sparc64/aes-encrypt-internal.asm: Likewise.
	* sparc64/aes-decrypt-internal.asm: Likewise.

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	* x86/aes-encrypt-internal.asm: Adapted to new interface.
	* x86/aes-decrypt-internal.asm: Likewise.

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	* x86_64/aes-encrypt-internal.asm: Adapted to new interface.
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	* x86_64/aes-decrypt-internal.asm: Likewise.
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	* aes.h (struct aes_ctx): Renamed nrounds to rounds, and moved
	first in the structure.
	* aes-set-encrypt-key.c (aes_set_encrypt_key): Updated for renaming.
	* aes-set-decrypt-key.c (aes_invert_key): Likewise.

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	* aes-encrypt-internal.c (_nettle_aes_encrypt): Take rounds and
	subkeys as separate arguments, not a struct aes_ctx *. Updated
	callers.
	* aes-decrypt-internal.c (_nettle_aes_decrypt): Likewise.
	* aes-internal.h: Updated prototypes.

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	* Start of aes-reorg changes.

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2013-09-28  Niels Möller  <nisse@lysator.liu.se>

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	* md4.h (struct md4_ctx): Use single uint64_t variable for block
	count.
	* md4.c: Use new block count variable.
	* md5.c, md5.h (struct md5_ctx): Likewise.
	* ripemd160.c, ripemd160.h (struct ripemd160_ctx): Likewise.
	* sha1.c, sha1.h (struct sha1_ctx): Likewise.
	* sha256.c, sha2.h (struct sha256_ctx): Likewise.

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	* testsuite/testutils.c (test_hash_large): Added simple progress
	indicator.

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	* macros.h (MD_PAD): Use size argument, don't depend on
	sizeof of the count field(s).

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2013-09-22  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/gcm-hash8.asm: New file.
	* x86_64/gcm-gf-mul-8.asm: Deleted.

	* configure.ac (asm_nettle_optional_list): Look for gcm-hash8.asm,
	not gcm-gf-mul-8.asm.
	* gcm.c [HAVE_NATIVE_gcm_hash8]: Make use of (optional) assembly
	implementation.

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2013-09-21  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (des.po): Add same dependencies as for des.o.
	Reported by Vincent Torri.

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2013-09-20  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/gcm-test.c: Added tests with associated data of
	varying size.

	* testsuite/testutils.c (tstring_alloc): Add NUL-termination.

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2013-09-18  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in: New stampfiles, libnettle.stamp and
	libhogweed.stamp, updated when both static and shared libraries
	are rebuilt. Used as link dependencies in subdirectories.
	* examples/Makefile.in: Make executable targets depend on
	../libnettle.stamp and libhogweed.stamp, not directly on the
	static library files.
	* testsuite/Makefile.in: Likewise.
	* tools/Makefile.in: Likewise.

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	* gcm.c [HAVE_NATIVE_gcm_gf_mul_8]: Make use of (optional)
	assembly implementation.

	* configure.ac: Support optional assembly files for both nettle
	and hogweed. Replaced OPT_ASM_SOURCES with OPT_ASM_NETTLE_SOURCES,
	OPT_ASM_HOGWEED_SOURCES, and asm_optional_list with
	asm_nettle_optional_list and asm_hogweed_optional_list.
	(asm_nettle_optional_list): Added gcm-gf-mul-8.asm.

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2013-06-25  Niels Möller  <nisse@lysator.liu.se>

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	* testsuite/gcm-test.c: Deleted redundant include of aes.h.

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	* testsuite/testutils.c (test_aead): Allow digest size smaller
	than the block size.

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	* tools/nettle-pbkdf2.c: New command line tool.
	* tools/Makefile.in (TARGETS): Added nettle-pbkdf2.
	(nettle-pbkdf2$(EXEEXT)): New target.
	* testsuite/nettle-pbkdf2-test: New test case.
	* testsuite/Makefile.in (TS_SH): Added nettle-pbkdf2-test.

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	* tools/nettle-hash.c (digest_file): Use stack allocation for the
	small hex output buffer.

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	* examples/io.c (MIN): Deleted unused macro.

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2013-05-21  Niels Möller  <nisse@lysator.liu.se>

	From nettle-2.7-fixes branch:
	* Makefile.in (distdir): Distribute files in arm/v6 subdirectory.

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	* arm/v6/sha1-compress.asm: Moved into v6 directory, since it uses
	the v6 instruction uadd8, sel and rev.
	* arm/v6/sha256-compress.asm: Likewise.

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	* nettle-types.h: Include <stddef.h>, for size_t.

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	* macros.h (ROTL32, ROTL64): Avoid undefined behaviour for zero
	rotation count. Unfortunately makes CAST128 a bit slower with
	gcc-4.6.3.

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	* ecc-j-to-a.c (ecc_j_to_a): Fixed ecc_modp_mul call, to avoid
	invalid overlap of arguments to mpn_mul_n. Problem tracked down by
	Magnus Holmgren.

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	* arm/aes-encrypt-internal.asm: New file, for pre-v6 processors.
	* arm/aes-decrypt-internal.asm: New file, likewise.

	* arm/aes.m4 (AES_FINAL_ROUND_V5): Variant without using uxtb.
	(AES_FINAL_ROUND_V6): New name, updated callers.
	(AES_FINAL_ROUND): ... old name. Also eliminated one uxtb
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	instruction.
	(AES_ENCRYPT_ROUND, AES_DECRYPT): Moved macros to the
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	files using them.

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	* arm/v6/aes-encrypt-internal.asm: Use ALIGN macro. Use 16-byte
	alignment for loops.
	* arm/v6/aes-decrypt-internal.asm: Likewise. Also added a nop
	which mysteriously improves benchmark performance on Cortex-A9.

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	* configure.ac (asm_path): Handle armv6 and armv7 differently from
	older ARMs. Add the arm/v6 directory to asm_path when appropriate.

	* arm/v6/aes-encrypt-internal.asm: Moved into v6 directory. Uses
	the uxtb instruction which is not available for older ARMs.
	* arm/v6/aes-decrypt-internal.asm: Likewise.

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2013-05-03  Niels Möller  <nisse@lysator.liu.se>

	* cast128.c: Adapt to new struct cast128_ctx.
	(cast128_set_key): Rewrite, eliminating lots of conditions and
	some false warnings.

	* cast128.h (struct cast128_ctx): Separate the small 5-bit
	rotation subkeys and the larger 32-bit masking subkeys.

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	* testsuite/testutils.c (mpz_combit): Renamed. Define only if not
	provided GMP. Updated all uses.
	(mpz_togglebit): ... old name.

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	* sexp-format.c (sexp_vformat): Use type mpz_srcptr rather
	than the old MP_INT *.

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2013-04-26  Niels Möller  <nisse@lysator.liu.se>

	* Many files: Use size_t rather than unsigned for data sizes.
	* x86_64/aes-encrypt-internal.asm: Accept 64-bit length.
	* x86_64/aes-decrypt-internal.asm: Likewise.

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	* configure.ac: Changed version number, to 2.8.
	(LIBNETTLE_MAJOR): Bumped major number, following
	nettle_memxor ABI break.
	(LIBNETTLE_MINOR): Reset to zero.

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	* examples/hogweed-benchmark.c: Add benchmarking of OpenSSL's RSA
	functions.
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	(all functions): Deleted unneeded casts.
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2013-04-24  Niels Möller  <nisse@lysator.liu.se>

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	* nettle.texinfo (Miscellaneous functions): Updated memxor
	prototype. Document memxor3.

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	* salsa20-crypt.c (salsa20_crypt): Deleted cast of memxor
	argument, no longer needed.
	* salsa20r12-crypt.c (salsa20r12_crypt): Likewise.
	* sha3.c (sha3_absorb): Likewise.

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	* memxor.h: Updated prototypes. Drop include of nettle-types.h.

	* memxor.c: Include nettle-types.h, for uintptr_t. Replace all
	internal uses of uint8_t by plain char.
	(memxor): Use void * rather than uint8_t * for
	arguments.
	(memxor3): Likewise.

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	* x86_64/memxor.asm: Added nettle_ prefix to symbols.
	* arm/memxor.asm: Likewise.

	* testsuite/symbols-test: Don't allow memxor functions without
	nettle prefix,

	* memxor.h (memxor3): Added name mangling to add "nettle_" prefix
	to memxor and memxor3 symbols.

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	* Makefile.in (nettle_OBJS): Deleted $(LIBOBJS), and also deleted
	LIBOBJS substitution.
	(nettle_SOURCES): Added memxor.c, to include it in the library
	unconditionally.

	* configure.ac: Deleted AC_REPLACE_FUNCS for memxor.

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	* Released nettle-2.7.

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2013-04-23  Niels Möller  <nisse@lysator.liu.se>

	From Martin Storsjö:
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	* x86_64/sha256-compress.asm: Add forgotten W64_EXIT.
	* x86_64/sha512-compress.asm: Likewise.
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	* x86_64/salsa20-crypt.asm (Lpartial): Don't return via W64_EXIT
	within this subfunction.
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	* x86_64/machine.m4 (W64_ENTRY): Use movdqu instead of movdqa for
	saving xmm registers, since the stack is not guaranteed to be
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	16-byte aligned on win64. Take pushed xmm registers into account
	when reading the fifth parameter from the stack.

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	* Makefile.in: Consistently use EXEEXT_FOR_BUILD.

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2013-04-21  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (DISTFILES): Added mini-gmp.c and mini-gmp.h.
	(distdir): Use find, for identifying assembly files to copy.

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	* configure.ac: Recognize cpu type "arm*", not just "armv7*'.

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	* arm/aes-encrypt-internal.asm: Updated include of aes.m4.
	* arm/aes-decrypt-internal.asm: Likewise.

	* Makefile.in (distdir): Updated for ARM reorganization.

	* configure.ac (asm_path): Generalized, can now be a list of
	directories. On ARM, check for neon instructions, and add arm/neon
	if appropriate. New command line options
	--enable-arm-neon/--disable-arm-neon, for overriding the default.

	arm/neon: New subdirectory, for assembly files making use of neon
	instructions.

	arm: Renamed directory, from...
	armv7: ...old name.

	* aclocal.m4 (NETTLE_CHECK_ARM_NEON): New macro.

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	* nettle.texinfo (Keyed hash functions): Document UMAC.

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	* umac.h (UMAC32_DIGEST_SIZE, UMAC64_DIGEST_SIZE)
	(UMAC96_DIGEST_SIZE, UMAC128_DIGEST_SIZE): New constants.
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	(UMAC_DATA_SIZE): New name, for consistency with hash functions.
	Updated all uses.
	(UMAC_BLOCK_SIZE): ... old name.
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	* examples/nettle-benchmark.c (main): Benchmark salsa20r12.

	* nettle-internal.c (nettle_salsa20r12): Cipher struct for
	benchmarking only.
	* nettle-internal.h (nettle_salsa20): Declare it.

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	* Makefile.in (eccdata): Depend on mini-gmp files. Drop -lgmp.

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	* eccdata.c: Use mini-gmp, to avoid gmp dependency and associated
	configure tests for the *build* system. Replaced mpz_submul_ui by
	mpz_mul_ui + mpz_sub, and gmp_printf and gmp_fprintf by calls to
	mpz_out_str.

	* mini-gmp.h, mini-gmp.c: New files, copied from gmp-5.1.1.

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	* umac-set-key.c (BE_SWAP32_N): Fixed dummy definition used for
	big-endian systems.

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	* Makefile.in (TARGETS): Deleted eccdata, it should be build only
	when public key support is enabled.
	(clean-here): Exlicitly list it here.

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	* asm.m4 (m4_log2): New macro, similar to the one in gmp.
	(ALIGN): Changed to take alignment in bytes. Updated all callers,
	currently used only in x86 and x86_64 files.

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	* umac.h (umac32_ctx, umac64_ctx, umac96_ctx, umac128_ctx): Make
	block count an uint64_t. Reorder some elements to put short values
	together.
	* umac-l2.c (_umac_l2, _umac_l2_final): Make count argument an uint64_t.
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	(_umac_l2): Deleted redundant memcpy.
	(_umac_l2, _umac_l2_final): Store input buffer at end of the
	poly64/poly128 state. Deleted l1_out from corresponding context
	structs, and updated all callers.
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	* configure.ac: Changed version number to 2.7.
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	(LIBNETTLE_MINOR): Bumped library version, to 4.6.
	(LIBHOGWEED_MINOR): And to 2.4.
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	* Makefile.in (distdir): Include files from armv7 subdirectory.

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	* x86_64/umac-nh-n.asm: New file, 3.5 time speedup.

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	* umac32.c (umac32_digest): Fix nonce caching.
	* umac64.c (umac64_digest): Likewise.

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	* testsuite/umac-test.c (test_incr): New function.
	(test_main): Test nonce increment.

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	* misc/umac/umac.py: UMAC reference implementation.
	* misc/umac/rijndael.py: AES implementation used by umac.py.
	* misc/umac/mkvectors: Script to generate UMAC test vectors.
	* misc/umac/vectors.out: Generated test vectors.

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	* umac32.c (umac32_digest): Fix nonce increment, use INCREMENT
	macro.
	* umac64.c (umac64_digest): Likewise.
	* umac96.c (umac96_digest): Likewise.
	* umac128.c (umac128_digest): Likewise.

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	* macros.h (INCREMENT): Allow size == 1.

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	* x86_64/umac-nh.asm: New file. 4.4 time speedup.

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	* armv7/umac-nh-n.asm: New file. 2.0-2.3 time speedup.

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	* testsuite/umac-test.c (test_align): Fixed memory leak.

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2013-04-12  Niels Möller  <nisse@lysator.liu.se>

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	* armv7/umac-nh.asm: New file. 2.4 time speedup.

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	* armv7/machine.m4 (D0REG, D1REG): New macros.

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	* configure.ac (asm_replace_list): Added umac-nh.asm and
	umac-nh-n.asm.

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	* testsuite/umac-test.c: Test different alignments for the
	message.

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	* umac-nh-n.c (_umac_nh_n): Rewrote as a single pass over the
	message data.

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	* examples/nettle-benchmark.c (time_umac): New function.
	(main): Call it.

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	* umac-set-key.c (_umac_set_key): Drop byteswapping of l3_key2, it
	can be xored directly to the pad in native byteorder.
	* umac-l3.c (_umac_l3): Drop key_2 argument, let caller do that
	xor. Updated all callers.
	* umac32.c (umac32_digest): Adapt to l3 changes.
	* umac64.c (umac64_digest): Likewise.
	* umac96.c (umac96_digest): Likewise.
	* umac128.c (umac128_digest): Likewise.

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	Initial implementation of umac.
	* umac.h: New file.
	* umac-nh.c: New file.
	* umac-nh-n.c: New file.
	* umac-poly64.c: New file.
	* umac-poly128.c: New file.
	* umac-l2.c: New file.
	* umac-l3.c: New file.
	* Makefile.in (nettle_SOURCES): Added umac source files.
	(HEADERS): Added umac.h.
	* testsuite/umac-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added umac-test.c.

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	* ecc-mul-a.c (ecc_mul_a): Avoid using mp_bitcnt_t, for
	compatibility with older GMP versions.
	* ecc-mul-g.c (ecc_mul_g): Likewise.
	* eccdata.c (ecc_mul_binary): Likewise.
	* sec-modinv.c (sec_modinv): Likewise.

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	* x86_64/sha3-permute.asm: Go via memory for moves between general
	registers and xmm registers.

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2013-04-06  Niels Möller  <nisse@lysator.liu.se>

	From Edgar E. Iglesias:
	* sha3.c (_sha3_update): Fix condition for when the block buffer
	is full.

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	* ecc-point.c (ecc_point_get): Allow NULL x or y, ignore
	corresponding coordinate.

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	* nettle.texinfo (Elliptic curves): Document high-level ECDSA
	support.

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	From Martin Storsjö. Fallback functions for older GMP releases.
	* gmp-glue.c (mpn_copyd, mpn_copyi, mpn_zero): New functions.
	* gmp-glue.h: Declare them.
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	* gmp-glue.h (cnd_add_n, cnd_sub_n): Moved here, define in terms
	of mpn_cnd_add_n and mpn_sub_n if available, otherwise in terms of
	mpn_addmul_1 and mpn_submul_1. This seems to be an improvement for
	subtraction, but more questionable for addition.

	* ecc-internal.h: Include gmp-glue.h. Deleted corresponding
	include in all files using ecc-internal.h.
	(cnd_add_n, cnd_sub_n): Moved from here.

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2013-04-03  Niels Möller  <nisse@lysator.liu.se>

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	* ecc-point-mul-g.c (ecc_point_mul_g): New file and function.
	* ecc-point-mul.c (ecc_point_mul): New file and function.
	* ecc.h: Updated declarations and name mangling.
	* Makefile.in (hogweed_SOURCES): Added ecc-point-mul.c and
	ecc-point-mul-g.c.

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	* testsuite/salsa20-test.c (test_main): Tests for salsa20r12,
	contributed by Nikos Mavrogiannopoulos.

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2013-03-26  Niels Möller  <nisse@lysator.liu.se>

	* armv7/salsa20-core-internal.asm: New file. 45% speedup.

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2013-03-25  Niels Möller  <nisse@lysator.liu.se>

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	From Martin Storsjö:
	* examples/timing.c: New file, extracted from nettle-benchmark.c.
	* examples/timing.h: New file.
	* examples/Makefile.in (SOURCES): Added timing.c.
	(DISTFILES): Added timing.h.
	(BENCH_OBJS, ECC_BENCH_OBJS, HOGWEED_BENCH_OBJS): Added timing.o.
	* examples/nettle-benchmark.c: Use timing.h.
	* examples/hogweed-benchmark.c: Likewise.
	* examples/ecc-benchmark.c: Likewise.

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	From Nikos Mavrogiannopoulos:
	* salsa20r12-crypt.c (salsa20r12_crypt): New file and function.
	* salsa20.h (salsa20r12_crypt): Declare.
	* Makefile.in (nettle_SOURCES): Added salsa20r12-crypt.c.

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	* examples/hogweed-benchmark.c: Include local headers.
	* testsuite/ecdsa-keygen-test.c: Likewise.
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	* x86_64/sha3-permute.asm: Workaround for Apple's assembler; write
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	movq instructions as movd.
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	* Makefile.in (hogweed_PURE_OBJS): Don't include OPT_ASM_SOURCES
	twice.

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2013-03-15  Niels Möller  <nisse@lysator.liu.se>

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	* armv7/sha3-permute.asm: New file. 4.5 time speedup.

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	* armv7/machine.m4 (QREG): New macro.

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2013-03-14  Niels Möller  <nisse@lysator.liu.se>

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	* configure.ac (asm_replace_list): Added sha3-permute.asm,
	revering 2012-12-30 change. 34% speedup on intel i5, from 2190
	cycles for the C implementation down to 1630.

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	* armv7/sha512-compress.asm: Optimized. Keep expanded data in
	registers, exploit parallelism. Another 70% speedup.

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	* testsuite/sha512-test.c (test_main): Additional test vectors,
	including some longer than 128 bytes.

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2013-03-13  Niels Möller  <nisse@lysator.liu.se>

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	* armv7/sha512-compress.asm: New file, using neon instructions.
	2.3 time speedup.

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	* configure.ac (asm_replace_list): Added sha512-compress.asm.
	* x86_64/machine.m4 (OFFSET64): New macro.
	* x86_64/sha512-compress.asm: New file, 20% speedup.

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	* sha512-compress.c (ROUND): Eliminated a temporary, analogous to
	sha256 change below.

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	* x86_64/sha256-compress.asm: New file, 16% speedup (benchmarked
	on intel i5).

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2013-03-11  Niels Möller  <nisse@lysator.liu.se>

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	* armv7/sha256-compress.asm: New file, 25% speedup.

	* configure.ac (asm_replace_list): Added sha256-compress.asm.

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	* sha256-compress.c (ROUND): Eliminated a temporary.

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	* armv7/sha1-compress.asm: New file, 9% speedup.

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	* testsuite/testutils.c (test_hash): Test different alignments for
	the hash input.

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2013-03-08  Niels Möller  <nisse@lysator.liu.se>

	* armv7/aes-decrypt-internal.asm: New file, 15% speedup.
	* armv7/aes-encrypt-internal.asm: New file, 25% speedup.
	* armv7/aes.m4: New file.

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2013-03-07  Niels Möller  <nisse@lysator.liu.se>

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	* gmp-glue.c (mpz_limbs_cmp): Don't use PTR and SIZ macros.

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	* Makefile.in (aesdata, desdata, twofishdata, shadata, gcmdata)
	(eccdata): Arrange for compiling these programs for running on the
	build system, also when cross compiling everything else.

	* config.make.in (CC_FOR_BUILD, EXEEXT_FOR_BUILD): New variables.

	* configure.ac: Use GMP_PROG_CC_FOR_BUILD and
	GMP_PROG_EXEEXT_FOR_BUILD.