Newer
Older
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 Möller <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 Möller <nisse@lysator.liu.se>
* dsa-keygen.c (dsa_generate_keypair): Avoid double init of mpz
variable. Spotted by Nikos Mavrogiannopoulos.
2011-05-06 Niels Möller <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 Möller <nisse@lysator.liu.se>
* configure.ac: New configure option --enable-gcov.
* arcfour.h (arcfour_stream): Deleted obsolete define.
2011-04-27 Niels Möller <nisse@lysator.liu.se>
* tools/nettle-hash.c (find_algorithm): Require exact match.
2011-04-15 Niels Möller <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 Möller <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 Möller <nisse@lysator.liu.se>
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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 Möller <nisse@lysator.liu.se>
* arcfour.c (arcfour_stream): Deleted function. It's not very
useful, and neither documented nor tested.
2011-02-16 Niels Möller <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 Möller <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 Möller <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.
2011-02-10 Niels Möller <nisse@lysator.liu.se>
* 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 Möller <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.
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* 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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <nisse@lysator.liu.se>
* nettle.texinfo (Copyright): Updated info on blowfish.
2010-11-26 Niels Möller <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 Möller <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 Möller <nisse@lysator.liu.se>
2010-11-01 Niels Möller <nisse@lysator.liu.se>
* tools/misc.c (werror): Don't call exit (copy&paste-error).
2010-10-26 Niels Möller <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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <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 Möller <nisse@lysator.liu.se>
* configure.ac: Support shared libraries (dlls) with mingw32.
Contributed by David Hoyt.
2010-07-25 Niels Möller <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 Möller <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.
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* 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 Möller <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.
* dsa-keygen.c: Removed unnecessary include of memxor.h.
* camellia.c: Rewrote to use 64-bit type for subkeys and use
64-bit operations throughout. Performance on x86_32, when compiled
with gcc-4.4.4, is reduced by roughly 15%, this should be fixed
later.
* camellia.h (struct camellia_ctx): Use type uint64_t for subkeys.
2010-07-07 Niels Möller <nisse@lysator.liu.se>
* aes.h (aes_encrypt, aes_decrypt): Declare ctx argument as const.
Also updated implementation.
* blowfish.h (blowfish_encrypt, blowfish_decrypt): Likewise.
* cast128.h (cast128_encrypt, cast128_decrypt): Likewise.
* serpent.h (serpent_encrypt, serpent_decrypt): Likewise.
* twofish.h (twofish_encrypt, twofish_decrypt): Likewise.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
camellia-test.c.
* examples/nettle-benchmark.c: Added camellia ciphers.
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* Makefile.in (nettle_SOURCES): Added camellia.c and
camellia-meta.c.
(HEADERS): Added camellia.h.
* nettle-meta.h (nettle_camellia128): Declare.
(nettle_camellia192): Likewise.
(nettle_camellia256): Likewise.
* camellia-meta.c: New file.
* camellia.h: Rewrote interface to match nettle conventions.
* camellia.c: Converted to nettle conventions.
(camellia_encrypt128, camellia_encrypt256): Unified to new
function...
(camellia_encrypt): ...New function, with a loop doing 6
regular rounds, one FL round and one FLINV round per iteration,
with iteration count depending on the key size.
(camellia_decrypt128, camellia_decrypt256): Similarly unified
as...
(camellia_decrypt): ...New function, analogous to
camellia_encrypt.
2010-07-06 Niels Möller <nisse@lysator.liu.se>
* camellia.c, camellia.h: New files, copied from
http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/camellia-LGPL-1.2.0.tar.gz.
* testsuite/camellia-test.c: New file.
2010-07-05 Niels Möller <nisse@lysator.liu.se>
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* nettle.texinfo: Document new conventions for weak key and des
parity checks. Document des_check_parity.
* testsuite/des-test.c (test_weak): Don't check the deleted status
attribute.
* des-compat.c (des_key_sched): Rewrote error checking logic for
the case of non-zero des_check_key.
* des3.c (des3_set_key): Changed weak key detection logic.
Complete key setup also for weak keys, and don't set the status
attribute.
* des.c (des_set_key): New iteration logic, to keep key pointer
unchanged. Moved weak key check to the end, and don't set the
status attribute.
(des_encrypt): Ignore status attribute.
(des_decrypt): Likewise.
* des.h (enum des_error): Deleted.
(struct des_ctx): Deleted status attribute.
(struct des3_ctx): Likewise.
* blowfish.c (initial_ctx): Deleted status value.
(blowfish_encrypt): Ignore status attribute.
(blowfish_decrypt): Likewise.
(blowfish_set_key): Return result from weak key check, without
setting the status attribute.
* blowfish.h (enum blowfish_error): Deleted.
(struct blowfish_ctx): Deleted status attribute.
* Makefile.in (des_headers): Deleted parity.h.
2010-06-30 Niels Möller <nisse@lysator.liu.se>
* testsuite/des-test.c (test_des): New function.
(test_weak): New function.
(test_main): Use test_des and test_weak. Added tests for all the
weak keys. Added some tests with invalid (to be ignored) parity
bits.
* des.c (parity_16): New smaller parity table.
(des_check_parity): New function.
(des_fix_parity): Use parity_16.
(des_weak_p): New weak-key detection. Ignores parity bits, and
uses a hash table.
(des_set_key): Deleted parity checking code. Replaced old weak-key
detection code by a call to des_weak_p.
2010-06-04 Niels Möller <nisse@lysator.liu.se>
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* testsuite/testutils.c (test_dsa_key): Updated for new name
DSA_SHA1_MIN_P_BITS.
* dsa-keygen.c (dsa_generate_keypair): Use DSA_SHA1_MIN_P_BITS and
DSA_SHA256_MIN_P_BITS.
* dsa.h (DSA_MIN_P_BITS, DSA_Q_OCTETS, DSA_Q_BITS): Renamed to...
(DSA_SHA1_MIN_P_BITS, DSA_SHA1_Q_OCTETS, DSA_SHA1_Q_BITS): New
names.
* sexp2dsa.c (dsa_keypair_from_sexp_alist): New argument q_bits.
Renamed parameter limit to p_max_bits.
(dsa_sha1_keypair_from_sexp): Renamed, was dsa_keypair_from_sexp.
Updated to call dsa_keypair_from_sexp_alist with the new argument.
(dsa_sha256_keypair_from_sexp): New function.
(dsa_signature_from_sexp): New argument q_bits.
* der2dsa.c (dsa_params_from_der_iterator): Enforce 160-bit limit
on q. Renamed parameter limit to p_max_bits.
(dsa_openssl_private_key_from_der_iterator): Enforce 160-bit limit
on q and x. Renamed parameter limit to p_max_bits.
2010-06-03 Niels Möller <nisse@lysator.liu.se>
* testsuite/dsa-test.c (test_main): Added test for dsa-sha256.
2010-06-02 Niels Möller <nisse@lysator.liu.se>
* testsuite/dsa-test.c (test_main): Provide expected value of the
signature.
* testsuite/testutils.c (test_dsa160): Added argument for expected
signature.
(test_dsa256): Likewise.
2010-06-01 Niels Möller <nisse@lysator.liu.se>
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* testsuite/rsa-keygen-test.c (test_main): Updated expected
signatures.
* examples/random-prime.c (main): Updated for nettle_random_prime
change.
* testsuite/random-prime-test.c (test_main): Likewise.
* rsa-keygen.c (bignum_random_prime): Deleted function.
(rsa_generate_keypair): Use new nettle_random_prime. Generate
secret factors p and q with the two most significant bits set.
* dsa-keygen.c (dsa_generate_keypair): Updated for changes in
nettle_random_prime and _nettle_generate_pocklington_prime. Invoke
progress callback.
* bignum-random-prime.c (_nettle_generate_pocklington_prime): New
argument top_bits_set, to optionally generate primes with the two
most significant bits set. Reordered argument list.
(nettle_random_prime): Likewise, added top_bits_set argument.
Invoke progress callback when a prime is generated.
2010-05-26 Niels Möller <nisse@lysator.liu.se>
* dsa-keygen.c (dsa_generate_keypair): Use
_nettle_generate_pocklington_prime. Deleted old key generation
code.
* bignum-random-prime.c (_nettle_generate_pocklington_prime): Also
return the used r. Updated caller.
* examples/random-prime.c (main): Allow sizes down to 3 bits.
* bignum-random-prime.c (_nettle_generate_pocklington_prime): New
function. Rely on mpz_probab_prime_p (for lack of a trial division
function) for trial division.
(nettle_random_prime): Rewritten. Uses the prime table for the
smallest sizes, then trial division using a new set of tables, and
then Maurer's algorithm, calling the new
_nettle_generate_pocklington_prime for the final search.
2010-05-25 Niels Möller <nisse@lysator.liu.se>
* testsuite/dsa-test.c (test_main): Updated for dsa testing
* testsuite/dsa-keygen-test.c (test_main): Test dsa256.
* testsuite/testutils.h (struct nettle_mac): New struct, currently
unused.
* testsuite/testutils.c (test_mac): New function (currently not
used).
(test_dsa): Replaced by two new functions...
(test_dsa160): New function.
(test_dsa256): New function.
(test_dsa_key): New argument q_size.
(DSA_VERIFY): Generalized.
* dsa-keygen.c (dsa_generate_keypair): Rewritten, now generating
primes using Pocklington's theorem. Takes both p_size and q_size
as arguments.
2010-05-20 Niels Möller <nisse@lysator.liu.se>
* bignum-random-prime.c (miller_rabin_pocklington): Fixed broken
logic when Miller-rabin succeeds early.
2010-04-09 Niels Möller <nisse@lysator.liu.se>
* bignum-next-prime.c: Include stdlib.h, needed for alloca on
freebsd.
* hmac.c: Likewise.
* examples/Makefile.in (SOURCES): Added random-prime.c.
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* examples/random-prime.c: New program.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Moved
knuth-lfib-test.c, cbc-test.c, ctr-test.c, hmac-test.c here, from
TS_HOGWEED_SOURCES.
(TS_HOGWEED_SOURCES): Added random-prime-test.c.
* testsuite/random-prime-test.c: New test case.
* examples/next-prime.c (main): With no command line arguments.
exit after dislaying usage message.
* examples/io.c (simple_random): Free buffer when done.
* configure.ac: Changed message, say CC is the recommended
way to configure the ABI.
* bignum-random.c: Deleted test of HAVE_LIBGMP.
* bignum.c: Likewise.
* sexp2bignum.c: Likewise.
* Makefile.in (hogweed_SOURCES): Added bignum-random-prime.c.
* bignum-random-prime.c (nettle_random_prime): New file, new
function.
2010-03-31 Niels Möller <nisse@lysator.liu.se>
* examples/nettle-benchmark.c (main): Benchmark sha224.
2010-03-30 Niels Möller <nisse@lysator.liu.se>
* testsuite/testutils.c (DSA_VERIFY): Updated for dsa_sha1_verify
rename.
(test_dsa): Check return value from dsa_sha1_sign.
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* Makefile.in (hogweed_SOURCES): Added dsa-sha1-sign.c,
dsa-sha1-verify.c, dsa-sha256-sign.c, and dsa-sha256-verify.c.
* dsa.h: Updated and added dsa declarations.
* dsa-sha256-verify.c (dsa_sha256_verify_digest): New file, new
function.
(dsa_sha256_verify): New function.
* dsa-sha256-sign.c (dsa_sha256_sign_digest): New file, new
function.
(dsa_sha256_sign): New function.
* dsa-sha1-verify.c (dsa_sha1_verify_digest): New file. Moved and
renamed function, from dsa_verify_digest, rewrote to use
_dsa_verify.
(dsa_sha1_verify): Analogous change, renamed from dsa_verify.
* dsa-sha1-sign.c (dsa_sha1_sign_digest): New file. Moved and
renamed function, from dsa_sign_digest, rewrote to use _dsa_sign,
and added return value.
(dsa_sha1_sign): Analogous change, renamed from dsa_sign.
* dsa-verify.c (_dsa_verify): New general verification function,
for any hash.
* dsa-sign.c (_dsa_sign): New general signing function, for any
hash. Returns success code, like the rsa signture functions.
2010-03-29 Niels Möller <nisse@lysator.liu.se>
* configure.ac (ABI): Attempt to use a better, ABI-dependant,
default value for libdir.
* x86/md5-compress.asm: Fixed function name in epilogue.
* asm.m4 (EPILOGUE): Use . to refer to current address.
* configure.ac (ABI): Detect which ABI the compiler is using.
On x86_64, also check for __arch64__.
2010-03-28 Niels Möller <nisse@lysator.liu.se>
* configure.ac (asm_path): For x86_64, check if compiler is
generating 32-bit code.
2010-03-27 Niels Möller <nisse@lysator.liu.se>
* testsuite/hmac-test.c (test_main): Rewrote rest of tests to use
HMAC_TEST, and added more tests from Daniel Kahn Gillmor and from
RFC 4231.
* Makefile.in (nettle_SOURCES): Added hmac-sha224.c and
hmac-sha384.c.
* hmac.h: Added declarations of hmac-sha224 and hmac-sha384.
* hmac-sha224.c: New file.
2010-03-26 Niels Möller <nisse@lysator.liu.se>
* testsuite/hmac-test.c (HMAC_TEST): New macro.
(test_main): Use HMAC_TEST for the md5 and sha1 tests, and add
test vectors from Daniel Kahn Gillmor.
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* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added sha224-test.c.
* Makefile.in (nettle_SOURCES): Added sha224-meta.c and
write-be32.c.
(DISTFILES): Added nettle-write.h.
* sha.h: Added declarations for sha224. Some are aliases for the
corresponding sha256 definition.
* sha256.c (sha256_digest): Use _nettle_write_be32.
(sha224_init): New function.
(sha224_digest): New function.
* sha1.c (sha1_digest): Use _nettle_write_be32.
* nettle-internal.h (NETTLE_MAX_HASH_BLOCK_SIZE)
(NETTLE_MAX_HASH_DIGEST_SIZE): Increased, to take sha512 into
account.
* nettle-write.h: New file.
* write-be32.c (_nettle_write_be32): New file, new function.
* sha224-meta.c: New file.
2010-03-25 Niels Möller <nisse@lysator.liu.se>
* hmac-sha384.c: New file.
* testsuite/sha224-test.c: New file.
* testsuite/md4-test.c (test_main): More test vectors, provided by
Daniel Kahn Gillmor.
* testsuite/md5-test.c (test_main): Likewise.
* testsuite/sha1-test.c (test_main): Likewise.
* testsuite/sha256-test.c (test_main): Likewise.
* testsuite/sha384-test.c (test_main): Likewise.
* testsuite/sha512-test.c (test_main): Likewise.
* configure.ac: Bumped version numbers. Package version
nettle-2.1, library versions libnettle.so.3.1, libhogweed.so.2.0.
* examples/nettle-benchmark.c (main): Benchmark sha384.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added sha384-test.c.
* testsuite/sha384-test.c: New file.
* Makefile.in (nettle_SOURCES): Added sha384-meta.c.
* sha384-meta.c: New file.
* sha.h: Added declarations for sha384. Some are aliases for the
corresponding sha512 definition.