Newer
Older
* configure.ac (LIBNETTLE_MINOR): Bumped library version, to 4.3.
* gcm-aes.c: Include config.h.
* tools/nettle-lfib-stream.c: Likewise.
* ripemd160-compress.c: Added missing include of config.h. Needed
for correct operation on big-endian systems.
2011-09-02 Niels Mller <nisse@amfibolit.hack.org>
* configure.ac: Changed version number to 2.4.
* Released nettle-2.3.
2011-08-30 Niels Mller <nisse@lysator.liu.se>
* testsuite/hmac-test.c: Added tests for hmac-ripemd160.
* hmac.h: Declare hmac-ripemd160 related functions.
* Makefile.in (nettle_SOURCES): Added hmac-ripemd160.c.
2011-08-30 Niels Mller <nisse@amfibolit.hack.org>
* nettle.texinfo (Hash functions): Document ripemd-160.
* hmac-ripemd160.c: New file.
* hmac.h: Declare hmac-ripemd160 functions.
2011-08-29 Niels Mller <nisse@lysator.liu.se>
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
* sha256.c (sha256_update): Updated MD_UPDATE call for new
conventions.
(sha256_write_digest): Use MD_PAD rather than MD_FINAL, and insert
the length manually.
* sha512.c: Analogous changes.
* sha1.c (COMPRESS): New macro.
(sha1_update): Updated MD_UPDATE call for new conventions.
(sha1_digest): Use MD_PAD rather than MD_FINAL, and insert the
length manually.
* ripemd160.c (ripemd160_init): Use memcpy for initializing the
state vector.
(COMPRESS): New macro.
(ripemd160_update): Use MD_UPDATE.
(ripemd160_digest): Inline ripemd160_final processing. Use MD_PAD
and _nettle_write_le32.
(ripemd160_final): Deleted function.
* ripemd160.h (struct ripemd160_ctx): Use a 64-bit block count.
Renamed digest to state.
* md5.c (md5_init): Use memcpy for initializing the state vector.
(COMPRESS): New macro, wrapping _nettle_md5_compress.
(md5_update): Use MD_UPDATE.
(md5_digest): Inline md5_final processing. Use MD_PAD and
_nettle_write_le32.
(md5_final): Deleted.
* md5.h (struct md5_ctx): Renamed some fields, for consistency.
* md4.h (struct md4_ctx): Renamed some fields, for consistency.
* md4.c (md4_init): Use memcpy for initializing the state vector.
(md4_update): Use MD_UPDATE.
(md4_digest): Inline md4_final processing, using MD_PAD. Use
_nettle_write_le32.
(md4_block): Renamed, to...
(md4_compress): ... new name. Take ctx pinter as argument.
(md4_final): Deleted function.
* md2.c (md2_update): Use MD_UPDATE.
* macros.h (MD_UPDATE): Added incr argument. Invoke compression
function with ctx pointer as argument, rather than ctx->state.
(MD_FINAL): Just pad, don't store length field. Renamed to MD_PAD.
(MD_PAD): Analogous change of compression invocations.
* sha512.c: (COMPRESS): New macro wrapping _nettle_sha512_compress.
(sha512_update): Use MD_UPDATE.
(sha512_final): Deleted function.
(sha512_write_digest): Use MD_FINAL.
* sha256.c (COMPRESS): New macro wrapping _nettle_sha256_compress.
(SHA256_INCR): Deleted macro.
(sha256_update): Use MD_UPDATE.
(sha256_final): Deleted function.
(sha256_write_digest): New function, replacing sha256_final, and
using MD_FINAL.
(sha256_digest): Use sha256_write_digest.
(sha224_digest): Likewise.
* tools/nettle-hash.c (list_algorithms): Fixed typo in header.
* sha1.c (SHA1_DATA_LENGTH): Deleted unused macro.
(sha1_init): Use memcpy to initialize the state vector.
(SHA1_INCR): Deleted macro.
(sha1_update): Use MD_UPDATE macro, to reduce code duplication.
(sha1_digest): Use MD_FINAL macro.
(sha1_final): Deleted function.
* sha.h (struct sha1_ctx): Renamed attribute digest to state.
* macros.h (MD_UPDATE): New macro.
(MD_FINAL): New macro.
2011-08-28 Niels Mller <nisse@lysator.liu.se>
* ripemd160.c (ripemd160_final): Use LE_WRITE_UINT32. Deleted byte
swapping at the end, leaving it to ripemd160_digest.
* Makefile.in (nettle_SOURCES): Added write-le32.c.
* md5.c (md5_digest): Use _nettle_write_le32.
* write-le32.c (_nettle_write_le32): New file and function.
* ripemd160-compress.c (ROL32): Renamed macro (was "rol"). Deleted
x86 version using inline assembly; at least gcc-4.4.5 recognizes
shift-and-or expressions which are in fact rotations.
(_nettle_ripemd160_compress): Use LE_READ_UINT32.
* configure.ac (LIBNETTLE_MINOR): Bumped library version, to 4.2.
* testsuite/meta-hash-test.c: Updated for the addition of
ripemd-160.
* testsuite/.test-rules.make: Added rule for ripemd160-test.
* examples/nettle-benchmark.c (main): Benchmark ripemd-160.
2011-08-28 Niels Mller <nisse@lysator.liu.se>
RIPEMD-160 hash function. Ported from libgcrypt by Andres Mejia.
* testsuite/ripemd160-test.c: New file.
* ripemd160.h: New file.
* nettle-meta.h: Declare nettle_ripemd160.
* ripemd160.c: New file, ported from libgcrypt.
* ripemd160-compress.c: Likewise.
* ripemd160-meta.c: New file.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
ripemd160-test.c.
* nettle-meta-hashes.c (nettle_hashes): Added nettle_ripemd160.
* Makefile.in (nettle_SOURCES): Added ripemd160.c,
ripemd160-compress.c, and ripemd160-meta.c.
(HEADERS): Added ripemd160.h.
2011-08-10 Niels Mller <nisse@amfibolit.hack.org>
* nettle.texinfo: Fixed mis-placed const in various prototypes.
Spotted by Tatsuhiro Tsujikawa.
2011-07-24 Niels Mller <nisse@lysator.liu.se>
* Makefile.in (PKGCONFIG_FILES, pkgconfigdir): New variables.
(DISTFILES): Added nettle.pc.in and hogweed.pc.in.
(nettle.pc, hogweed.pc): New targets (invoking config.status).
(install-pkgconfig, uninstall-pkgconfig): New targets.
(install-here): Depend on install-pkgconfig.
(uninstall-here): Depend on uninstall-pkgconfig.
(distclean-here): Delete nettle.pc and hogweed.pc.
2011-07-20 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Generate nettle.pc and hogweed.pc.
* nettle.pc.in, hogweed.pc.in: New files.
2011-07-17 Niels Mller <nisse@lysator.liu.se>
* nettle-internal.h: Added missing extern declarations.
2011-07-11 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Changed version number to 2.3.
* Released nettle-2.2.
* Makefile.in (DISTFILES): Distribute COPYING.LIB, not COPYING,
2011-07-07 Niels Mller <nisse@lysator.liu.se>
* tools/misc.h (werror): Removed incorrect noreturn attribute from
declaration.
* examples/io.c (read_file): Bug fix, in dependence of initial
size on max_size.
2011-07-01 Niels Mller <nisse@lysator.liu.se>
* cbc.c (CBC_BUFFER_LIMIT): Reduced to 512 bytes.
(cbc_decrypt): For in-place operation, use overlapping memxor3 and
eliminate a memcpy.
* ctr.c (ctr_crypt): Reorganized to call the encryption function
with several blocks at a time. Handle the case of a single block
specially.
* x86_64/memxor.asm: Added ALIGN for shifting loop. Deleted
obsolete ifelse.
2011-06-30 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Link in serpent-decrypt.asm, if found.
* x86_64/serpent-decrypt.asm: Added an SSE2 loop, doing four
blocks at a time in parallel.
* x86_64/serpent-encrypt.asm: Include serpent.m4. Deleted a
redundant label.
* x86_64/serpent.m4: New file, with serpent-related macros.
2011-06-29 Niels Mller <nisse@lysator.liu.se>
* x86_64/serpent-decrypt.asm: Wrote main (32-bit) loop.
(SBOX0I, SBOX1I, SBOX7I): Fixed bugs.
* nettle.texinfo (Copyright): Updated for license change to
LGPLv2+. Updated copyriight info on serpent.
* NEWS: Updated information for nettle-2.2.
* x86_64/serpent-decrypt.asm: New file.
* x86_64/serpent-encrypt.asm: Fixed .file pseudo op.
* testsuite/testutils.c (test_cipher_ctr): Display more info on
failure.
* examples/nettle-benchmark.c (bench_ctr): New function.
(time_cipher): Also benchmark CTR mode.
* configure.ac (LIBNETTLE_MINOR): Updated library version number
to 4.1.
(LIBHOGWEED_MINOR): And to 2.1.
2011-06-22 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Use pwd -P when examining lib directories.
Link in serpent-encrypt.asm, if found.
2011-06-21 Niels Mller <nisse@lysator.liu.se>
* serpent-decrypt.c (SBOX3_INVERSE): Eliminated temporaries.
(SBOX4_INVERSE): Likewise.
(SBOX5_INVERSE): Likewise.
(SBOX6_INVERSE): Likewise.
(SBOX7_INVERSE): Likewise.
(All SBOX_INVERSE-macros): Deleted type argument, and updated users.
2011-06-20 Niels Mller <nisse@lysator.liu.se>
* serpent-decrypt.c: Renamed arguments in sbox macros.
(SBOX0_INVERSE): Eliminated temporaries.
(SBOX1_INVERSE): Likewise.
(SBOX2_INVERSE): Likewise.
* x86_64/serpent-encrypt.asm: Added an SSE2 loop, doing four
blocks at a time in parallel.
* testsuite/serpent-test.c (test_main): Added some more multiple
block tests.
2011-06-15 Niels Mller <nisse@lysator.liu.se>
* configure.ac (libdir): On 64-bit Linux, we used to assume that
libraries are installed according to the FHS. Since at least
Fedora and Gentoo follow the FHS convention, while at least Debian
doesn't, we have to try to figure out which convention is used.
2011-06-14 Niels Mller <nisse@lysator.liu.se>
* x86_64/serpent-encrypt.asm: Slight simplification of loop logic.
2011-06-12 Niels Mller <nisse@lysator.liu.se>
* testsuite/serpent-test.c (test_main): Added tests with multiple
blocks at a time.
* serpent-encrypt.c (SBOX6): Renamed arguments. Eliminated
temporaries.
(SBOX7): Likewise.
(All SBOX-macros): Deleted type argument, and updated users.
* configure.ac: Display summary at the end of configure..
(asm_path): Set only if enable_assember is yes.
2011-06-10 Niels Mller <nisse@lysator.liu.se>
* serpent-encrypt.c (SBOX5): Renamed arguments. Eliminated
temporaries.
2011-06-09 Niels Mller <nisse@lysator.liu.se>
* serpent-encrypt.c (SBOX4): Renamed arguments. Eliminated
temporaries.
* configure.ac (LIBNETTLE_LINK, LIBHOGWEED_LINK): Cygwin fix, from
Vincent Torri.
2011-06-08 Niels Mller <nisse@lysator.liu.se>
* examples/eratosthenes.c (find_first_one): Fixed c99-style
declaration. Reported by Sebastian Reitenbach.
(find_first_one): Declare the lookup table as static const, and
use unsigned char rather than unsigned..
2011-06-07 Niels Mller <nisse@lysator.liu.se>
* serpent-encrypt.c (SBOX0): Renamed arguments. Eliminated
temporaries.
2011-06-06 Niels Mller <nisse@lysator.liu.se>
* Makefile.in (DISTFILES): Added serpent-internal.h.
(nettle_SOURCES): Replaced serpent.c by serpent-set-key.c,
serpent-encrypt.c, and serpent-decrypt.c.
* serpent.c: Replaced by several new files.
* serpent-set-key.c: New file.
* serpent-encrypt.c: New file.
* serpent-decrypt.c: New file.
* serpent-internal.h: New file.
* serpent.c [HAVE_NATIVE_64_BIT]: Process two blocks at a time in
parallel. Measured speedup of 10%--25% (higher for encryption) on
x86_64.
2011-06-01 Niels Mller <nisse@lysator.liu.se>
* serpent.c (ROUNDS): Deleted macro.
(serpent_block_t): Deleted array typedef.
(KEYXOR): New macro, replacing BLOCK_XOR.
(BLOCK_COPY, SBOX, SBOX_INVERSE): Deleted macros.
(LINEAR_TRANSFORMATION): Use four separate arguments.
(LINEAR_TRANSFORMATION_INVERSE): Likewise.
(ROUND): Take separate arguments for all input and output words.
(ROUND_INVERSE): Likewise.
(ROUND_LAST, ROUND_FIRST_INVERSE): Deleted macros.
(serpent_set_key): Moved loop termination test.
(serpent_encrypt): Rewrote with unrolling of just eight rounds,
and without serpent_block_t.
(serpent_decrypt): Likewise.
* serpent.c: Added do { ... } while (0) around block macros.
(serpent_key_t): Deleted array typedef.
(ROL32, ROR32): Renamed macros, were rol and ror.
(KS_RECURRENCE, KS): New macros.
(serpent_key_pad): Renamed, from...
(serpent_key_prepare): ...old name.
(serpent_subkeys_generate): Deleted function.
(serpent_set_key): Rewrote the generation of subkeys. Reduced both
temporary storage and code size (less unrolling)
2011-05-31 Niels Mller <nisse@lysator.liu.se>
* testsuite/serpent-test.c (test_main): Enabled test with short,
40-bit, key.
* serpent.c (byte_swap_32): Deleted macro.
(serpent_key_prepare): Use LE_READ_UINT32. Don't require aligned
input, and support arbitrary key sizes.
2011-05-30 Simon Josefsson <simon@josefsson.org>
* serpent.c: Rewrite, based on libgcrypt code. License changed
from GPL to LGPL.
* serpent_sboxes.h: Removed.
* Makefile.in: Drop serpent_sboxes.h.
2011-05-31 Niels Mller <nisse@lysator.liu.se>
* testsuite/serpent-test.c (test_main): Added some tests for
padding of keys of length which is not a multiple of four bytes.
2011-05-30 Simon Josefsson <simon@josefsson.org>
* testsuite/serpent-test.c (test_main): Add test vectors from
libgcrypt.
2011-05-21 Niels Mller <nisse@lysator.liu.se>
* dsa-keygen.c (dsa_generate_keypair): Avoid double init of mpz
variable. Spotted by Nikos Mavrogiannopoulos.
2011-05-06 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Fix link flags for shared libraries on Solaris,
which needs -h to set the soname. Patch contributed by Dagobert
Michelsen.
2011-05-06 Niels Mller <nisse@lysator.liu.se>
* configure.ac: New configure option --enable-gcov.
* arcfour.h (arcfour_stream): Deleted obsolete define.
2011-04-27 Niels Mller <nisse@lysator.liu.se>
* tools/nettle-hash.c (find_algorithm): Require exact match.
2011-04-15 Niels Mller <nisse@lysator.liu.se>
Reverted broken byte-order change from 2001-06-17:
* serpent.c (serpent_set_key): Use correct byteorder.
(serpent_encrypt): Likewise.
(serpent_decrypt): Likewise.
* testsuite/serpent-test.c (decode_hex_reverse): New function.
(RH, RHL): New macros.
(test_main): Byte reverse inputs and outputs for the testvectors
taken from the serpent submission package. Enable test vectors
from http://www.cs.technion.ac.il/~biham/Reports/Serpent/.
2011-03-23 Niels Mller <nisse@lysator.liu.se>
* tools/sexp-conv.c (xalloc): Deleted function, now it's in misc.c
instead.
* tools/Makefile.in (TARGETS): Added nettle-hash, and related
build rules.
(SOURCES): Added nettle-hash.c.
* tools/misc.c (xalloc): New function.
* tools/pkcs1-conv.c (main): Made the OPT_* constants local, and
fixed numerical values to start with non-ASCII 0x300.
* tools/nettle-hash.c: New file.
2011-03-23 Niels Mller <nisse@lysator.liu.se>
Contributed by Daniel Kahn Gillmor:
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
meta-hash-test.c, meta-cipher-test.c, and meta-armor-test.c.
* testsuite/meta-hash-test.c: New file.
* testsuite/meta-cipher-test.c: New file.
* testsuite/meta-armor-test.c: New file.
* nettle.texinfo: Document nettle_hashes and nettle_ciphers.
* nettle-meta.h: Declare algorithm lists nettle_ciphers,
nettle_hashes, nettle_armors.
* Makefile.in (nettle_SOURCES): Added nettle-meta-hashes.c,
nettle-meta-ciphers.c, and nettle-meta-armors.c.
* nettle-meta-armors.c: New file.
* nettle-meta-ciphers.c: New file.
* nettle-meta-hashes.c: New file.
2011-02-18 Niels Mller <nisse@lysator.liu.se>
* arcfour.c (arcfour_stream): Deleted function. It's not very
useful, and neither documented nor tested.
2011-02-16 Niels Mller <nisse@lysator.liu.se>
* cbc.h (CBC_ENCRYPT): Avoid using NULL; we don't ensure that it
is defined.
(CBC_DECRYPT): Likewise.
* gcm-aes.c (gcm_aes_set_iv): Use GCM_SET_IV.
(gcm_aes_set_key): Deleted cast.
(gcm_aes_encrypt): Likewise.
(gcm_aes_decrypt): Likewise.
(gcm_aes_digest): Likewise.
(gcm_aes_update): One less argument to GCM_UPDATE.
* gcm.h (GCM_SET_KEY): Added cast to nettle_crypt_func *. Help
compiler type checking despite this cast.
(GCM_ENCRYPT): Likewise.
(GCM_DECRYPT): Likewise.
(GCM_DIGEST): Likewise.
(GCM_SET_IV): New macro, for completeness.
(GCM_UPDATE): Deleted unused argument encrypt.
2011-02-14 Niels Mller <nisse@lysator.liu.se>
* nettle.texinfo: Split node on cipher modes, and started on
the GCM documentation.
* testsuite/gcm-test.c (test_gcm_aes): Deleted function, replaced
by test_aead.
(test_main): Use test_aead.
* testsuite/testutils.c (test_aead): New function, replacing
test_gcm_aes and before that test_cipher_gcm.
* nettle-internal.c (nettle_gcm_aes128): New const struct.
(nettle_gcm_aes192): Likewise.
(nettle_gcm_aes256): Likewise.
* nettle-internal.h (struct nettle_aead): Tentative interface for
authenticated encryption with associated data.
* examples/nettle-benchmark.c (time_gcm): Renamed. Updated for
gcm_aes_auth to gcm_aes_update renaming. Benchmark both encryption
and hashing.
(time_gmac): ...old name.
* nettle-internal.c (des_set_key_hack): Don't touch the bits
parity, since thay are now ignored.
(des3_set_key_hack): Likewise.
* cast128-meta.c (nettle_cast128): Don't pass keysize.
* nettle-meta.h (_NETTLE_CIPHER_FIX): Deleted keysize parameter
derived from the appropriate constant instead.
* testsuite/gcm-test.c (test_gcm_aes): Updated for gcm_aes_auth to
gcm_aes_update renaming.
2011-02-13 Niels Mller <nisse@lysator.liu.se>
* gcm.h (GCM_UPDATE): Renamed, from...
(GCM_AUTH): ...old name.
* gcm-aes.c (gcm_aes_update): Renamed, from...
(gcm_aes_auth): ...old name.
* gcm.c (gcm_update): Renamed, and fixed an assert. From...
(gcm_auth): ...old name.
* gcm.h (GCM_TABLE_BITS): Increase table size to 8 bits,
corresponding to 4 KByte of key-dependent tables.
* x86_64/memxor.asm: New file. Improves performance by 22% for the
unaligned01 case and 35% for the unaligned12 case, benchmarked on
Intel SU1400.
* examples/nettle-benchmark.c (cgt_works_p): New function.
(cgt_time_start): Likewise.
(cgt_time_end): Likewise.
(clock_time_start): Likewise.
(clock_time_end): Likewise.
(time_function): Read clock via function pointers time_start and
time_end, so we can select method at runtime.
(xalloc): Use die function.
(main): Choose timing function. If available, try clock_gettime,
and fall back to clock if it doesn't exist.
* examples/nettle-benchmark.c (die): New function.
(TIME_END, TIME_START): Check return value from clock_gettime.
* gcm.h (union gcm_block): Use correct length for w array.
* testsuite/gcm-test.c (test_main): Added the rest of the
testcases from the spec.
2011-02-09 Niels Mller <nisse@lysator.liu.se>
* testsuite/gcm-test.c (test_main): Enabled testcases 5 and 6,
with different IV lengths.
* gcm-aes.c (gcm_aes_set_iv): Updated for gcm_set_iv change.
* gcm.c (gcm_hash_sizes): New function.
(gcm_set_iv): Added support for IVs of arbitrary size. Needed
another argument, for the hash subkey.
(gcm_digest): Use gcm_hash_sizes.
* examples/nettle-benchmark.c (time_gmac): Use gcm_aes interface.
* testsuite/gcm-test.c (test_gcm_aes): New function, replacing
test_cipher_gcm and using the new gcm_aes interface.
(test_main): Updated to use test_gcm_aes.
* testsuite/testutils.c (test_cipher_gcm): Deleted function.
* Makefile.in (nettle_SOURCES): Added gcm-aes.c.
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
* gcm.c (gcm_set_key): Replaced context argument by a struct
gcm_key *.
(gcm_hash): Replaced context argument by a struct gcm_key * and a
pointer to the hashing state block.
(gcm_auth): Added struct gcm_key * argument.
(gcm_encrypt): Likewise.
(gcm_decrypt): Likewise.
(gcm_digest): Likewise.
* gcm-aes.c: New file.
(gcm_aes_set_key): New function.
(gcm_aes_set_iv): Likewise.
(gcm_aes_auth): Likewise.
(gcm_aes_encrypt): Likewise.
(gcm_aes_decrypt): Likewise.
(gcm_aes_digest): Likewise.
* gcm.h (struct gcm_key): Moved the key-dependent and
message-independent state to its own struct.
(struct gcm_ctx): ... and removed it here.
(GCM_CTX): New macro.
(GCM_SET_KEY): Likewise.
(GCM_AUTH): Likewise.
(GCM_ENCRYPT): Likewise.
(GCM_DECRYPT): Likewise.
(GCM_DIGEST): Likewise.
(struct gcm_aes_ctx): New struct.
2011-02-08 Niels Mller <nisse@lysator.liu.se>
* gcm.h (struct gcm_ctx): The hash key is now always an array,
named h, with array size depending on GCM_TABLE_BITS.
* gcm.c (gcm_gf_shift): Added a separate result argument.
(gcm_gf_mul): Compile bitwise version only when GCM_TABLE_BITS ==
0. Simplified interface with just two arguments pointing to
complete blocks.
(gcm_gf_shift_4, gcm_gf_shift_8): Renamed table-based functions, from...
(gcm_gf_shift_chunk): ... old name.
(gcm_gf_mul): Renamed both table-based versions and made the
argument types compatible with the bitwise gcm_gf_mul.
(gcm_gf_mul_chunk): ... the old name.
(gcm_set_key): Initialize the table using adds and shifts only.
When GCM_TABLE_BITS > 0, this eliminates the only use of the
bitwise multiplication.
(gcm_hash): Simplified, now that we have the same interface for
gcm_gf_mul, regardless of table size.
* gcm.c (GHASH_POLYNOMIAL): Use unsigned long for this constant.
(gcm_gf_shift_chunk): Fixed bugs for the big endian 64-bit case,
e.g., sparc64. For both 4-bit and 8-bit tables.
* gcm.c: Use the new union gcm_block for all gf operations.
* gcm.h (union gcm_block): New union, used to enforce alignment.
2011-02-07 Niels Mller <nisse@lysator.liu.se>
* gcm.c (gcm_gf_shift_chunk) : Bug fix for little-endian 8-bit
tables.
* gcm.c (gcm_gf_mul_chunk): Special case first and last iteration.
(gcm_gf_add): New function, a special case of memxor. Use it for
all memxor calls with word-aligned 16 byte blocks. Improves
performance to 152 cycles/byte with no tables, 28 cycles per byte
with 4-bit tables and 10.5 cycles per byte with 8-bit tables.
Introduced 8-bit tables. If enabled, gives gmac performance of 19
cycles per byte (still on intel x86_64).
* gcm.c (gcm_gf_shift_chunk): New implementation for 8-bit tables.
(gcm_gf_mul_chunk): Likewise.
(gcm_set_key): Generate 8-bit tables.
* Makefile.in (SOURCES): Added gcmdata.c.
2011-02-06 Niels Mller <nisse@lysator.liu.se>
* Makefile.in (TARGETS): Added gcmdata.
(gcmdata): New rule.
Introduced 4-bit tables. Gives gmac performance of 45 cycles per
byte (still on intel x86_64).
* gcm.c (gcm_gf_shift): Renamed. Tweaked little-endian masks.
(gcm_rightshift): ... old name.
(gcm_gf_mul): New argument for the output. Added length argument
for one of the inputs (implicitly padding with zeros).
(shift_table): New table (in 4-bit and 8-bit versions), generated
by gcmdata.
(gcm_gf_shift_chunk): New function shifting 4 bits at
a time.
(gcm_gf_mul_chunk): New function processing 4 bits at a time.
(gcm_set_key): Generation of 4-bit key table.
(gcm_hash): Use tables, when available.
* gcmdata.c (main): New file.
* gcm.c (gcm_rightshift): Moved the reduction of the shifted out
bit here.
(gcm_gf_mul): Updated for gcm_rightshift change. Improves gmac
performance to 181 cycles/byte.
* gcm.c (gcm_gf_mul): Rewrote. Still uses the bitwise algorithm from the
specification, but with separate byte and bit loops. Improves gmac
performance a bit further, to 227 cycles/byte.
* gcm.c (gcm_rightshift): Complete rewrite, to use word rather
than byte operations. Improves gmac performance from 830 cycles /
byte to (still poor) 268 cycles per byte on intel x86_64.
2011-02-05 Niels Mller <nisse@lysator.liu.se>
* examples/nettle-benchmark.c (time_gmac): New function.
(main): Call time_gmac.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added gcm-test.c.
* testsuite/testutils.c (test_cipher_gcm): New function,
contributed by Nikos Mavrogiannopoulos.
* testsuite/gcm-test.c: New file, contributed by Nikos
Mavrogiannopoulos.
* Makefile.in (nettle_SOURCES): Added gcm.c.
(HEADERS): Added gcm.h.
* gcm.c: New file, contributed by Nikos Mavrogiannopoulos.
* gcm.h: New file, contributed by Nikos Mavrogiannopoulos.
* macros.h (INCREMENT): New macro, moved from ctr.c. Deleted third
argument.
* ctr.c: Use INCREMENT macro from macros.h, deleted local version.
2011-01-07 Niels Mller <nisse@lysator.liu.se>
* testsuite/Makefile.in (check): Add ../.lib to PATH, since that's
where w*ndows looks for dlls.
* testsuite/testutils.c (test_cipher_stream): More debug output on
failure.
2010-12-14 Niels Mller <nisse@lysator.liu.se>
* nettle-types.h: Deleted some unnecessary parenthesis from
function typedefs.
(nettle_realloc_func): Moved typedef here...
* realloc.h: ...from here.
* buffer.c (nettle_buffer_init_realloc): Use an explicit pointer
for realloc argument.
2010-12-07 Niels Mller <nisse@lysator.liu.se>
* nettle.texinfo (Copyright): Updated info on blowfish.
2010-11-26 Niels Mller <nisse@lysator.liu.se>
Reapplied optimizations (150% speedup on x86_32) and other fixes,
relicensing them as LGPL.
* blowfish.c (do_encrypt): Renamed, to...
(encrypt): ...new name.
(F): Added context argument. Shift input explicitly, instead of
reading individual bytes via memory.
(R): Added context argument.
(encrypt): Deleted a bunch of local variables. Using the context
pointer for everything should consume less registers.
(decrypt): Likewise.
(initial_ctx): Arrange constants into a struct, to simplify key
setup.
(blowfish_set_key): Some simplification.
2010-11-26 Simon Josefsson <simon@josefsson.org>
* blowfish.c: New version ported from libgcrypt. License changed
from GPL to LGPL.
2010-11-25 Niels Mller <nisse@lysator.liu.se>
* Makefile.in (install-shared-nettle): Use INSTALL_DATA, which
clears the execute permission bits.
(install-shared-hogweed): Likewise.
2010-11-16 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Updated gmp url.
2010-11-01 Niels Mller <nisse@lysator.liu.se>
* tools/misc.c (werror): Don't call exit (copy&paste-error).
2010-10-26 Niels Mller <nisse@lysator.liu.se>
* examples/rsa-encrypt.c (main): No extra message for bad options.
* examples/rsa-keygen.c (main): Added long options. Deleted -?,
and fixed handling of bad options.
* examples/next-prime.c (main): Deleted -?, and fixed handling of
bad options.
* examples/random-prime.c (main): Likewise.
2010-10-22 Niels Mller <nisse@lysator.liu.se>
* examples/nettle-benchmark.c (main): Added long options. Deleted -?,
and fixed handling of bad options.
* examples/eratosthenes.c (main): Added long options. Deleted -?,
and fixed handling of bad options. Renamed -s to -q (long option
* tools/pkcs1-conv.c (main): Deleted short alias -? for --help,
and fixed handling of bad options.
* tools/sexp-conv.c (parse_options): Likewise.
2010-10-06 Niels Mller <nisse@lysator.liu.se>
* memxor.c (memxor3): Optimized.
(memxor3_common_alignment): New function.
(memxor3_different_alignment_b): New function.
(memxor3_different_alignment_ab): New function.
(memxor3_different_alignment_all): New function.
* examples/nettle-benchmark.c (time_function): Reorganized, to
reduce overhead.
(time_memxor): Also benchmark memxor3.
* x86_64/memxor.asm: New file.
* examples/nettle-benchmark.c (overhead): New global variable.
(time_function): Compensate for call overhead.
(bench_nothing, time_overhead): New functions.
(time_memxor): Tweaked src size, making it an integral number of
words.
(main): Call time_overhead.
2010-10-01 Niels Mller <nisse@lysator.liu.se>
* x86_64/camellia-crypt-internal.asm (ROUND): Reordered sbox
lookups.
* testsuite/memxor-test.c: Also test memxor3.
2010-09-30 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Link in memxor.asm, if found.
* testsuite/testutils.c (test_cipher_cbc): Print more info when
failing.
* testsuite/memxor-test.c (test_xor): Added verbose printout.
* examples/nettle-benchmark.c (time_memxor): Count size of
unsigned long as "block size" for memxor.
2010-09-24 Niels Mller <nisse@lysator.liu.se>
* testsuite/.test-rules.make: Added rule for memxor-test.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added memxor-test.c
* testsuite/memxor-test.c: New file.
* memxor.c (memxor_common_alignment): New function.
(memxor_different_alignment): New function.
(memxor): Optimized to do word-operations rather than byte
operations.
* configure.ac (HAVE_NATIVE_64_BIT): New config.h define.
Partial revert of 2010-09-20 changes.
* camellia-set-encrypt-key.c (camellia_set_encrypt_key):
Reintroduce CAMELLIA_F_HALF_INV, for 32-bit machines.
* camellia-crypt-internal.c (CAMELLIA_ROUNDSM): Two variants,
differing in where addition of the key is done.
* x86/camellia-crypt-internal.asm: Moved addition of key.
2010-09-22 Niels Mller <nisse@lysator.liu.se>
* examples/nettle-benchmark.c (BENCH_INTERVAL): Changed unit to
seconds.
(time_function): Use clock_gettime with CLOCK_PROCESS_CPUTIME_ID,
if available. This gives better accuracy, at least on recent
linux.
(BENCH_INTERVAL): Reduced to 0.1 s.
(struct bench_memxor_info): New struct.
(bench_memxor): New function.
(time_memxor): New function.
(main): Use time_memxor. Added optional argument used to limit the
algorithms being benchmarked.
(GET_CYCLE_COUNTER): Define also for x86_64.
(time_memxor): Improved display.
* examples/Makefile.in (nettle-benchmark): Link using
$(BENCH_LIBS) rather than $(LIBS).
* configure.ac: Check for clock_gettime, and add -lrt to
BENCH_LIBS if needed.
2010-09-20 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Less quoting when invoking $CC, to allow CC="gcc
-m32".
* x86/camellia-crypt-internal.asm (ROUND): Adapted to new key
convention, moving key xor to the end.
* camellia-set-encrypt-key.c (CAMELLIA_F_HALF_INV): Deleted macro.
(camellia_set_encrypt_key): Deleted the CAMELLIA_F_HALF_INV
operations intended for moving the key xor into the middle of the
round.
* camellia-crypt-internal.c (CAMELLIA_ROUNDSM): Moved addition of
key to the end, to use a 64-bit xor operation.
* x86_64/camellia-crypt-internal.asm: New file.
* x86_64/machine.m4 (LREG, HREG, XREG): New macros.
2010-09-17 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Support shared libraries (dlls) with mingw32.
Contributed by David Hoyt.
2010-07-25 Niels Mller <nisse@lysator.liu.se>
* configure.ac: Changed version number to nettle-2.2.
* Released nettle-2.1.
* configure.ac: Use camellia-crypt-internal.asm, if available.
Bumped soname to libnettle.so.4, and reset LIBNETTLE_MINOR to
zero.
* x86/machine.m4 (LREG, HREG): Moved macros here, from...
* x86/aes.m4: ...here.
* x86/camellia-crypt-internal.asm: New file.
* nettle.texinfo: Updated and expanded section on DSA.
Document aes_invert_key, and camellia. Added missing functions
rsa_sha512_verify and rsa_sha512_verify_digest.
* camellia.h (struct camellia_ctx): Eliminate the two unused
* camellia-crypt-internal.c (_camellia_crypt): Updated for
renumbered subkeys.
* camellia-set-encrypt-key.c (camellia_set_encrypt_key): Likewise.
* camellia-set-decrypt-key.c (camellia_invert_key): Likewise.
* camellia-set-encrypt-key.c (camellia_set_encrypt_key): Inline
the expansion of camellia_setup128 and camellia_setup256, keeping
the unexpanded key in scalar variables.
(camellia_setup128): Deleted.
(camellia_setup256): Deleted.
2010-07-24 Niels Mller <nisse@lysator.liu.se>
* camellia-set-encrypt-key.c (camellia_set_encrypt_key): Reduced
code size, no complete loop unroll. Use one loop for each phase of
the post-processing.
* testsuite/camellia-test.c: New tests for camellia_invert_key.
* testsuite/aes-test.c: New tests for aes_invert_key.
* aes.h (aes_invert_key): Declare it.
* aes-set-decrypt-key.c (aes_invert_key): New function, key
inversion code extracted from aes_set_decrypt_key.
(aes_set_decrypt_key): Use aes_invert_key.
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
* camellia-set-encrypt-key.c (camellia_setup128): Generate
unmodified subkeys according to the spec. Moved clever combination
of subkeys to camellia_set_encrypt_key.
(camellia_setup256): Likewise.
(camellia_set_encrypt_key): Moved subkey post-processing code
here, and reduce code duplication between 128-bit keys and larger
keys.
* camellia.c: Deleted file, split into several new files...
* camellia-table.c (_camellia_table): New file with the constant
sbox tables.
* camellia-set-encrypt-key.c: New file.
(camellia_setup128): Generate unmodified subkeys according to the
spec. Moved clever combination of subkeys to camellia_set_encrypt_key.
(camellia_setup256): Likewise.
* camellia-set-decrypt-key.c: New file.
(camellia_invert_key): Key inversion function.
(camellia_set_decrypt_key): New key setup function.
* camellia-internal.h: New file.
* camellia-crypt.c (camellia_crypt): New file, new wrapper
function passing the sbox table to _camellia_crypt.
* camellia-crypt-internal.c (_camellia_crypt): New file, with main
encrypt/decrypt function.
* Makefile.in (nettle_SOURCES): Updated list of camellia source files.
(DISTFILES): Added camellia-internal.h.
2010-07-20 Niels Mller <nisse@lysator.liu.se>
* camellia-meta.c: Use _NETTLE_CIPHER_SEP_SET_KEY.
* camellia.h (struct camellia_ctx): Replaced flag camellia128 by
expanded key length nkeys.
* camellia.c (camellia_set_encrypt_key): Renamed, from...
(camellia_set_key): ... old name.
(camellia_invert_key): New function.
(camellia_set_decrypt_key): New function, using
camellia_invert_key.
(camellia_crypt): Renamed, from...
(camellia_encrypt): ... old name.
(camellia_decrypt): Deleted, no longer needed. camellia_crypt used
for both encryption and decryption.
* nettle-meta.h (_NETTLE_CIPHER_SEP_SET_KEY): New macro.