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ChangeLog
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2024-06-16 Niels Möller <nisse@lysator.liu.se>
* examples/rsa-encrypt-test: Consistently add $EXEEXT to
executable names.
* examples/rsa-sign-test: Likewise.
* examples/rsa-verify-test: Likewise.
* examples/setup-env: Likewise.
* tools/nettle-pbkdf2-test: Likewise.
* tools/pkcs1-conv-test: Likewise
* tools/sexp-conv-test: Likewise.
* configure.ac: When cross-compiling targetting windows,
always use "wine" as EMULATOR; using "wine64" for 64-bit windows
seems no longer needed.
2024-06-15 Niels Möller <nisse@lysator.liu.se>
* testsuite/Makefile.in (TS_SC_NETTLE): New variable.
(DISTFILES): Unconditionally include side-channel tests,
fix accidental dependence on IF_VALGRIND.
2024-06-11 Niels Möller <nisse@lysator.liu.se>
* fat-arm64.c: Enable use of getauxval on android, for
__ANDROID_API__ >= 18.
2024-06-10 Niels Möller <nisse@lysator.liu.se>
From Eric Richter:
* powerpc64/p8/sha256-compress-n.asm: New file.
* powerpc64/fat/sha256-compress-n-2.asm: New file.
* fat-ppc.c: Add fat setup for _nettle_sha256_compress_n.
2024-06-09 Niels Möller <nisse@lysator.liu.se>
* ecc-internal.h (assert_maybe) [!WITH_EXTRA_ASSERTS]: Cast to
void, to avoid warnings.
2024-06-05 Niels Möller <nisse@lysator.liu.se>
* config.guess: Update to 2024-01-01 version.
* config.sub: Update to 2024-01-01 version.
2024-06-02 Niels Möller <nisse@lysator.liu.se>
* configure.ac: Bump package version, to 3.10.
(LIBNETTLE_MINOR): Bump minor number, to 8.9.
(LIBHOGWEED_MINOR): Bump minor number, to 6.9.
2024-06-01 Niels Möller <nisse@lysator.liu.se>
* eddsa-hash.c (_eddsa_hash): Use NETTLE_OCTET_SIZE_TO_LIMB_SIZE.
* ecc-hash.c (ecc_hash, gost_hash): Deleted file, moved functions to...
* dsa-hash.c (_nettle_dsa_hash): Change to use mpn interface
instead of mpz, replacing ecc_hash.
(_nettle_gostdsa_hash): Moved here, renamed from gost_hash.
* dsa-internal.h (_nettle_dsa_hash): Update declaration.
(_nettle_gostdsa_hash): Moved declaration here.
* ecc-internal.h (ecc_hash, gost_hash): Delete old declarations.
* gmp-glue.h (NETTLE_BIT_SIZE_TO_LIMB_SIZE): New macro.
* dsa-sign.c (dsa_sign): Adapt to _nettle_dsa_hash change.
* dsa-verify.c (dsa_verify): Likewise.
* ecc-ecdsa-sign.c (ecc_ecdsa_sign): Use _nettle_dsa_hash.
* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Likewise.
* ecc-gostdsa-sign.c (ecc_gostdsa_sign): Use _nettle_gostdsa_hash.
* ecc-gostdsa-verify.c (ecc_gostdsa_verify): Likewise.
* Makefile.in (hogweed_SOURCES): Delete ecc-hash.c
2024-05-15 Niels Möller <nisse@lysator.liu.se>
* powerpc64/p8/gcm-aes-encrypt.asm: Reduce register usage.
* powerpc64/p8/gcm-aes-decrypt.asm: Analogous changes.
2024-04-14 Niels Möller <nisse@lysator.liu.se>
From Danny Tsen: Combined gcm-aes implementation for powerpc64.
* configure.ac: Define HAVE_NATIVE_gcm_aes_encrypt and
HAVE_NATIVE_gcm_aes_decrypt.
(asm_nettle_optional_list): Add gcm-aes-encrypt.asm,
gcm-aes-encrypt-2.asm, gcm-aes-decrypt.asm, and
gcm-aes-decrypt-2.asm.
* gcm-internal.h (_gcm_aes_encrypt, _gcm_aes_decrypt): Declare
internal functions, and define as dummy macros when not supported.
* gcm-aes128.c (gcm_aes128_encrypt): Use _gcm_aes_encrypt.
(gcm_aes128_decrypt): Use _gcm_aes_encrypt.
* gcm-aes192.c (gcm_aes192_encrypt, gcm_aes128_decrypt): Likewise.
* gcm-aes256.c (gcm_aes256_encrypt, gcm_aes256_decrypt): Likewise.
* Makefile.in (DISTFILES): Add gcm-internal.h.
* powerpc64/machine.m4 (GF_MUL): New macro.
* powerpc64/fat/gcm-aes-decrypt-2.asm: New file.
* powerpc64/fat/gcm-aes-encrypt-2.asm: New file.
* powerpc64/p8/gcm-aes-decrypt.asm: New file.
* powerpc64/p8/gcm-aes-encrypt.asm: New file.
* fat-setup.h (gcm_aes_crypt_func): New typedef.
* fat-ppc.c: Fat setup for gcm_aes_encrypt and gcm_aes_decrypt.
(gcm_aes_crypt_c): New nop implementation.
2024-03-29 Niels Möller <nisse@lysator.liu.se>
* bswap-internal.h (nettle_bswap32_n): New inline function.
(bswap32_n_if_le): New macro, to reduce code duplication.
* blowfish-bcrypt.c (bswap32_if_le_n): Deleted, usage replaced
with shared bswap32_n_if_le.
* umac-set-key.c (bswap32_if_le_n): Likewise.
2024-03-28 Niels Möller <nisse@lysator.liu.se>
* sha512-224-meta.c (nettle_sha512_224): Change name to
"sha512_224", with underscore rather than dash.
* sha512-256-meta.c (nettle_sha512_256): Analogous change.
* nettle-meta-hashes.c (_nettle_hashes): Add nettle_sha512_224 and
nettle_sha512_256.
* testsuite/meta-hash-test.c: Update test.
2024-03-24 Niels Möller <nisse@lysator.liu.se>
* testsuite/gcm-test.c (test_main): Add a test case that triggers
32-bit counter wraparound for gcm_aes256, and a larger 719 byte
message.
2024-03-28 Niels Möller <nisse@lysator.liu.se>
From Daiki Ueno:
* shake128.c (sha3_128_init, sha3_128_update, sha3_128_shake)
(sha3_128_shake_output): New file, new functions.
* testsuite/shake128-test.c: New testcases.
* Makefile.in (nettle_SOURCES): Add shake128.c.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Add shake128-test.c.
2024-03-24 Niels Möller <nisse@lysator.liu.se>
* sha3-shake.c (_nettle_sha3_shake, _nettle_sha3_shake_output):
New file, new functions. Generalizations of sha3_256_shake and
sha3_256_shake_output, respectively.
(_nettle_sha3_shake_output): Use one's complement of index,
instead of just setting high bit.
* shake256.c (sha3_256_shake, sha3_256_shake_output): Implement in
terms of calls to the new functions.
* Makefile.in (nettle_SOURCES): Add sha3-shake.c.
* sha3.c (_nettle_sha3_update): Use MD_FILL_OR_RETURN_INDEX.
(sha3_xor_block): New function, taken out from sha3_absorb.
(_nettle_sha3_pad): Call sha3_xor_block, not sha3_absorb.
* sha3-internal.h (_sha3_pad_shake): By above change, no longer
implies sha3_permute.
(_sha3_pad_hash): Update, to still include a
call to sha3_permute.
* shake256.c (sha3_256_shake, sha3_256_shake_output): Update to
call sha3_permute before generating output.
2024-03-20 Niels Möller <nisse@lysator.liu.se>
* testsuite/gcm-test.c (test_main): Add a test case that triggers
32-bit counter wraparound for gcm_aes128.
2024-03-10 Niels Möller <nisse@lysator.liu.se>
From Daiki Ueno:
* shake256.c (sha3_256_shake_output): New function, incremental
shake256 output.
* testsuite/shake256-test.c (test_incremental): New function, for
testing sha3_256_shake_output.
(test_main): Use it.
2024-03-10 Niels Möller <nisse@lysator.liu.se>
* poly1305-update.c (_nettle_poly1305_update): Explicitly check
for empty input and return.
* testsuite/testutils.c (test_aead): Test with associated split
data into two pieces in different ways, respecting block
boundaries. Also add a call to update(ctx, 0, NULL) in the
middle, and encrypt and decrypt calls with empty input.
2024-03-08 Niels Möller <nisse@lysator.liu.se>
Fix ubsan issues for empty hash updates.
* macros.h (MD_UPDATE): Check upfront if length is zero. Avoids
calling memcpy(dst, NULL, 0), which is undefined behavior.
* sha256.c (sha256_update): Likewise.
* sha3.c (_nettle_sha3_update): Likewise.
* testsuite/testutils.c (test_hash): Test with message split into
two pieces in different ways, and also add an call to update(ctx,
0, NULL) in the middle.
2024-02-16 Niels Möller <nisse@lysator.liu.se>
RSA-OAEP support contributed by Nicolas Mora and Daiki Ueno:
* rsa-oaep-encrypt.c (_rsa_oaep_encrypt)
(rsa_oaep_sha256_encrypt, rsa_oaep_sha384_encrypt)
(rsa_oaep_sha512_encrypt): New file, new functions.
* rsa-oaep-decrypt.c (_rsa_oaep_decrypt)
(rsa_oaep_sha256_decrypt, rsa_oaep_sha384_decrypt)
(rsa_oaep_sha512_decrypt): New file, new functions.
* rsa.h: Declare new RSA OAEP functions.
* rsa-internal.h: Declare internal RSA OAEP functions.
* oaep.c (_oaep_sec_decrypt_variable, _oaep_decode_mgf1)
(_oaep_encode_mgf1): New file, new functions.
* oaep.h: New file, declaring internal functions.
* Makefile.in (hogweed_SOURCES): Add oaep.c, rsa-oaep-encrypt.c
rsa-oaep-decrypt.c.
(DISTFILES): Add oaep.h.
* nettle.texinfo (RSA): Document RSA-OAEP functions.
* testsuite/rsa-oaep-encrypt-test.c: New tests.
* testsuite/testutils.c (test_rsa_set_key_2): New function.
* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Add rsa-oaep-encrypt-test.c
(TS_SC_HOGWEED): Add sc-rsa-oaep-encrypt-test.
2024-02-02 Niels Möller <nisse@lysator.liu.se>
Optimize powerpc64 aes decrypt. Speedup of 80%-100%, depending on
key size, when benchmarked on Power 10:
* configure.ac (asm_replace_list): Add aes-invert-internal.asm.
(asm_nettle_optional_list): Add aes-invert-internal-2.asm.
* powerpc64/p8/aes-invert-internal.asm (_aes_invert): New file.
Implementat _aes_invert as just a memcpy.
* powerpc64/p8/aes-decrypt-internal.asm: Rework to use unmixed
encryption subkeys, which fits better with the vncipher
instruction, and eliminates lots of vxor instructions.
* powerpc64/fat/aes-invert-internal-2.asm: New file.
* aes-invert-internal.c: Check HAVE_NATIVE_aes_invert, and define
_nettle_aes_invert_c wen needed.
* fat-setup.h (aes_invert_internal_func): New typedef.
* fat-ppc.c: Add fat setup for _aes_invert.
2024-01-28 Niels Möller <nisse@lysator.liu.se>
* powerpc64/p8/aes-encrypt-internal.asm: Use r10-r12 consistently
for indexing, and reducing number of used callee-save registers.
* powerpc64/p8/aes-decrypt-internal.asm: Likewise.
2024-01-27 Niels Möller <nisse@lysator.liu.se>
* aes-invert-internal.c (_nettle_aes_invert): Don't reorder the subkeys.
* aes-decrypt-internal.c (_nettle_aes_decrypt): Updated to process
subkeys starting from the end, and let subkeys pointer point at
the subkey for the first decrypt round, located at the end of the
array.
* aes128-decrypt.c (nettle_aes128_decrypt): Updated accordingly.
* aes192-decrypt.c (nettle_aes192_decrypt): Likewise.
* aes256-decrypt.c (nettle_aes256_decrypt): Likewise.
* arm/aes.m4 (AES_LOAD_INCR): New macro, specifying desired
increment of key pointer.
* arm/aes-decrypt-internal.asm: Updated for new conventions.
* arm/v6/aes-decrypt-internal.asm: Likewise.
* arm64/crypto/aes128-decrypt.asm: Likewise.
* arm64/crypto/aes192-decrypt.asm: Likewise.
* arm64/crypto/aes256-decrypt.asm: Likewise.
* powerpc64/p8/aes-decrypt-internal.asm: Likewise.
* sparc64/aes-decrypt-internal.asm: Likewise.
* x86/aes-decrypt-internal.asm: Likewise.
* x86_64/aes-decrypt-internal.asm: Likewise.
* x86_64/aes-decrypt-internal.asm: Likewise.
* x86_64/aesni/aes128-decrypt.asm: Likewise.
* x86_64/aesni/aes192-decrypt.asm: Likewise.
* x86_64/aesni/aes256-decrypt.asm: Likewise.
2024-01-26 Niels Möller <nisse@lysator.liu.se>
Delete all sparc32 assembly.
* sparc32/aes-decrypt-internal.asm: Deleted file.
* sparc32/aes-encrypt-internal.asm: Deleted file.
* configure.ac: Don't enable any assembly for 32-bit sparc.
* Makefile.in (distdir): Don't distribute sparc32 files.
* sparc64/aes.m4: Moved file, from...
* sparc32/aes.m4: ... old location.
* sparc64/aes-encrypt-internal.asm: Update for location of aes.m4.
* sparc64/aes-decrypt-internal.asm: Likewise.
2024-01-23 Niels Möller <nisse@lysator.liu.se>
* powerpc64/machine.m4 (GHASH_REDUCE): New macro. Improve
scheduling, adding vpmsumd result last.
* powerpc64/p8/ghash-update.asm: Use GHASH_REDUCE, slightly reduce
vector register usage, simplify use of index registers.
2024-01-21 Niels Möller <nisse@lysator.liu.se>
* powerpc64/machine.m4 (OPN_XXY, OPN_XXXY): New macros.
* powerpc64/p8/aes-encrypt-internal.asm: Use macros for repeated
instruction patterns.
* powerpc64/p8/aes-decrypt-internal.asm: Likewise.
2023-12-27 Niels Möller <nisse@lysator.liu.se>
* testsuite/gcm-test.c (test_main): Additional gcm test case, with
719 byte message, contributed by Danny Tsen.
2023-12-08 Niels Möller <nisse@lysator.liu.se>
Delete all md5 assembly code.
* md5.c (nettle_md5_compress): Move function and related macros
here, from...
* md5-compress.c: ... deleted file.
* x86/md5-compress.asm: Deleted file.
* x86_64/md5-compress.asm: Deleted file.
* configure.ac: When checking for openssl, use AC_LINK_IFELSE to
check if needed functions really are available. Just using
AC_CHECK_LIB to check for, e.g., EVP_RSA_gen, doesn't work, since
that is a macro that depends on including openssl/rsa.h.'
2023-12-06 Niels Möller <nisse@lysator.liu.se>
* drbg-ctr-aes256.c (drbg_ctr_aes256_output): New helper function.
(drbg_ctr_aes256_update, drbg_ctr_aes256_random): Use it.
From Simon Josefsson:
* drbg-ctr.h (struct drbg_ctr_aes256_ctx): New context struct.
(DRBG_CTR_AES256_SEED_SIZE): New constant.
* drbg-ctr-aes256.c (drbg_ctr_aes256_update)
(drbg_ctr_aes256_init, drbg_ctr_aes256_random): New file, new functions.
* testsuite/drbg-ctr-aes256-test.c: New testcase.
* nettle.texinfo (Randomness): Document DRBG-CTR.
2023-12-05 Niels Möller <nisse@lysator.liu.se>
From Tim Kosse:
* fat-arm64.c (check_sysctlbyname) [__APPLE__]: New function.
(get_arm64_features) [__APPLE__]: Fix feature detection for Apple
M1 devices.
* configure.ac: In openssl tests, check for the headers actually
used by the benchmarking code, and for a subset of the relevant
functions.
* examples/nettle-openssl.c: Trim openssl includes and defines,
and use Nettle's definition of sha1 and md5 constants.
(nettle_openssl_init): Deleted.
* examples/nettle-benchmark.c (main): Delete call to nettle_openssl_init.
2023-12-04 Niels Möller <nisse@lysator.liu.se>
* examples/nettle-openssl.c (nettle_openssl_blowfish128)
(nettle_openssl_des, openssl_cast128_set_encrypt_key): Deleted,
since these algorithms are now available in openssl only via the
"legacy provider". Also deleted declarations and usage.
* examples/hogweed-benchmark.c (struct openssl_ctx): Unified
struct, replacing openssl_rsa_ctx and openssl_ecdsa_ctx.
(bench_openssl_init, bench_openssl_sign, bench_openssl_verify)
(bench_openssl_clear): New functions, using EVP interfaces to
signing, replacing rsa- and ecdsa-specific functions.
(bench_openssl_rsa_init, bench_openssl_ecdsa_init): Use bench_openssl_init.
2023-11-23 Niels Möller <nisse@lysator.liu.se>
* nettle-internal.h: Keep only declarations actually used
internally in the library.
* non-nettle.h: New file, contents extracted from
nettle-internal.h, for use in test and benchmark code.
* non-nettle.c: New file, renamed from ...
* nettle-internal.c: ... old name, deleted.
* Makefile.in (internal_SOURCES, DISTFILES): Updated accordingly.
* testsuite/Makefile.in (TEST_OBJS): Replace ../nettle-internal.o
with ../non-nettle.o, and update corresponding make rule.
* examples/Makefile.in (BENCH_OBJS): Likewise.
2023-11-22 Niels Möller <nisse@lysator.liu.se>
Revert part of the 2023-08-05 change.
* rsa-sec-decrypt.c (rsa_sec_decrypt): Merge with
_rsa_sec_decrypt, including input range check.
(_rsa_sec_decrypt): Deleted.
* rsa-internal.h (_rsa_sec_decrypt): Delete declaration.
* testsuite/rsa-sec-decrypt-test.c (rsa_decrypt_for_test): Always
call rsa_sec_decrypt, but don't annotate the ciphertext input as
undefined/secret.
2023-11-15 Niels Möller <nisse@lysator.liu.se>
* ecc-mod-arith.c (ecc_mod_addmul_1): Use assert_maybe.
* ecc-curve448.c (ecc_curve448_modp): Likewise.
* ecc-curve25519.c (ecc_curve25519_modq): Likewise.
* eddsa-hash.c (_eddsa_hash): Likewise.
* eddsa-sign.c (_eddsa_sign): Likewise.
* testsuite/curve25519-dh-test.c (test_g): Add calls to
mark_bytes_undefined and mark_bytes_defined.
(test_a): Likewise.
(test_main): Skip side-channel tests in builds with mini-gmp or
extra asserts enabled.
* testsuite/curve448-dh-test.c: Analogous changes.
* testsuite/ed448-test.c (test_one): Analogous changes.
* testsuite/ed25519-test.c: Analogous changes.
* testsuite/Makefile.in (TS_SC_HOGWEED): New make variable. Added
sc-curve25519-dh-test, sc-curve448-dh-test, sc-ed25519-test, and
sc-ed448-test to list.
* testsuite/sc-curve25519-dh-test: New testcase.
* testsuite/sc-curve448-dh-test: New testcase.
* testsuite/sc-ed448-test: New testcase.
* testsuite/sc-ed25519-test: New testcase.
2023-11-14 Niels Möller <nisse@lysator.liu.se>
Add a first side-channel test for the ECC code.
* configure.ac: New option --enable-extra-asserts. Enables asserts
that are disabled by default, due to conflict with tests of
side-channel silence.
(WITH_EXTRA_ASSERTS): Corresponding new define.
* ecc-internal.h (assert_maybe): Conditionally define this assert
macro, depending on WITH_EXTRA_ASSERTS.
* ecc-mod-arith.c: Convert most asserts to assert_maybe.
* ecc-mod-inv.c (ecc_mod_inv): Likewise.
* ecc-mod.c (ecc_mod): Likewise.
* ecc-pm1-redc.c (ecc_pm1_redc): Likewise.
* ecc-pp1-redc.c (ecc_pp1_redc): Likewise.
* ecc-secp192r1.c (ecc_secp192r1_modp): Likewise.
* ecc-secp384r1.c (ecc_secp384r1_modp): Likewise.
* testsuite/ecdsa-sign-test.c (test_ecdsa): Add calls to
mark_bytes_undefined and mark_bytes_defined.
(test_main): Skip side-channel tests in builds with mini-gmp or
extra asserts enabled.
* testsuite/sc-ecdsa-sign-test: New testcase.
* testsuite/Makefile.in (TS_SC): Add sc-ecdsa-sign-test.
2023-11-12 Niels Möller <nisse@lysator.liu.se>
* gmp-glue.h (GMP_LIMB_BITS) [NETTLE_USE_MINI_GMP]: Define as alias for
GMP_NUMB_BITS.
(is_zero_limb): Move inline function here. Add static, for
compatibility with c89. and mini-gmp builds.
* gmp-glue.c (sec_zero_p): Use is_zero_limb.
2023-11-06 Niels Möller <nisse@lysator.liu.se>
Avoid comparison like cnd = (x == 0) in code intended to be
side-channel silent, since to eliminate branches with some
compilers/architectures, in particular 32-bit x86 and the msvc compiler.
* nettle-internal.h (IS_ZERO_SMALL): New macro.
* memeql-sec.c (memeql_sec): Use IS_ZERO_SMALL.
* pkcs1-sec-decrypt.c (EQUAL): Likewise.
* cnd-copy.c (cnd_copy): Require that cnd argument is 1 or 0.
* ecc-mul-a.c (ecc_mul_a) [ECC_MUL_A_WBITS == 0]:
Rearrange loop to pass 0 or 1 to cnd_copy.
* ecc-mul-a-eh.c (ecc_mul_a_eh) [ECC_MUL_A_EH_WBITS == 0]:
Likewise.
* ecc-mul-a.c (ecc_mul_a) [ECC_MUL_A_WBITS > 0]: Use
IS_ZERO_SMALL, and pass 0 or 1 to cnd_copy.
* ecc-mul-g.c (ecc_mul_g): Likewise.
* ecc-internal.h (is_zero_limb): New inline function.
* eddsa-decompress.c (_eddsa_decompress): Likewise.
* ecc-gostdsa-sign.c (ecc_gostdsa_sign): Likewise.
* ecc-mod-arith.c (ecc_mod_zero_p): Likewise.
(ecc_mod_equal_p): Avoid comparison cy == 0.
* ecc-j-to-a.c (ecc_j_to_a): Avoid comparison cy == 0.
2023-10-06 Niels Möller <nisse@lysator.liu.se>
* testsuite/rsa-sec-decrypt-test.c (test_main): Skip side-channel
test if built with mini-gmp.
* testsuite/sc-valgrind.sh (with_valgrind): Pass
--exit-on-first-error=yes.
* aclocal.m4 (NETTLE_PROG_VALGRIND): New macro.
* configure.ac: Use it.
* testsuite/Makefile.in (TS_SH): Include side-channel tests only
if we have a working valgrind.
* misc/c89: New wrapper script to force compiling in c89 mode.
2023-10-04 Niels Möller <nisse@lysator.liu.se>
* bswap-internal.h (bswap32_if_be, bswap32_if_le): New macros.
* blowfish-bcrypt.c (bswap32_if_le_n): Rename, to not collide with
new macro.
(bswap32_if_le): ... old name, deleted.
* umac-set-key.c (bswap32_if_le_n): Define in the same way as for
bcrypt, replacing...
(BE_SWAP32_N): ...deleted macro.
* umac-l3.c (_nettle_umac_l3_init): Use bswap64_if_le.
* umac-l2.c (_nettle_umac_l2_init): Use bswap32_if_le.
* chacha-core-internal.c (_nettle_chacha_core): Use bswap32_if_be.
* salsa20-core-internal.c (_nettle_salsa20_core): Likewise
* umac-l2.c (_nettle_umac_l2_final): Delete redundant assignment.
2023-10-03 Niels Möller <nisse@lysator.liu.se>
* Makefile.in (check-fat): Reduce tests to run to TS_FAT, to speed
up tests.
* testsuite/Makefile.in (TS_FAT): Define list of tests relevant
for testing algorithm variants in fat builds.
* testsuite/ecc-mod-arith-test.c: Reduce test count, aiming to get
test to complete in roughly 0.1s.
* testsuite/ecc-mod-test.c: Likewise.
* testsuite/ecc-modinv-test.c: Likewise.
* testsuite/ecc-mul-a-test.c: Likewise.
* testsuite/ecc-redc-test.c: Likewise.
* testsuite/ecc-sqrt-test.c: Likewise.
* testsuite/eddsa-compress-test.c: Likewise.
* testsuite/poly1305-test.c: Likewise.
* testsuite/random-prime-test.c: Likewise.
* testsuite/rsa-compute-root-test.c: Likewise.
* testsuite/rsa-sec-decrypt-test.c: Likewise.
* testsuite/Makefile.in (TS_SH): Delete tools tests from list.
* tools/Makefile.in (check): Run tools tests from this target.
(TS_ALL): New variable.
(DISTFILES): Add TS_ALL files.
* testsuite/teardown-env: Deleted, intead let make clean delete
test files.
* tools/nettle-pbkdf2-test: Moved, from testseuite/.
* tools/sexp-conv-test: Likewise.
* tools/pkcs1-conv-test: Likewise.
2023-08-05 Niels Möller <nisse@lysator.liu.se>
* testsuite/testutils.c (mark_bytes_undefined)
(mark_bytes_defined): New functions. Update side-channel related
tests to use them.
(main): Check environment variable NETTLE_TEST_SIDE_CHANNEL.
(test_side_channel): New global variable.
* testsuite/sc-valgrind.sh (with_valgrind): New file, new shell
utility function.
* testsuite/sc-pkcs1-sec-decrypt-test: New test, for side channel
silence.
* testsuite/sc-memeql-test: Likewise.
* testsuite/sc-gcm-test: Likewise.
* testsuite/sc-cnd-memcpy-test: Likewise.
* testsuite/rsa-sec-decrypt-test: Likewise.
* rsa-sec-decrypt.c (_rsa_sec_decrypt): New internal function,
without input range checks.
(rsa_sec_decrypt): Use it.
2023-08-02 Niels Möller <nisse@lysator.liu.se>
* configure.ac: Replace obsoleted macros, require autoconf-2.69,
from 2012, or later.
* aclocal.m4: Likewise.
* aclocal.m4 (LSH_FUNC_STRERROR): Delete macro.
(LSH_FUNC_STRSIGNAL): Delete unused macro.
* configure.ac: Delete usage of LSH_FUNC_STRERROR.
* tools/nettle-hash.c (main): Use strerror unconditionally.
* tools/nettle-pbkdf2.c (main): Likewise.
2023-08-01 Niels Möller <nisse@lysator.liu.se>
* configure.ac: Delete special handling of rntcl; it should be
treated like any other cross compiler. Delete obsolete check of
ac_cv_prog_cc_stdc.
2023-06-01 Niels Möller <nisse@lysator.liu.se>
* Released Nettle-3.9.1.
2023-05-26 Niels Möller <nisse@lysator.liu.se>
* configure.ac: Bump package version, to 3.9.1.
(LIBNETTLE_MINOR): Bump minor number, to 8.8.
(LIBHOGWEED_MINOR): Bump minor number, to 6.8.
2023-05-19 Niels Möller <nisse@lysator.liu.se>
From Jussi Kivilinna:
* ocb.c (ocb_crypt_n): Fix broken loop logic.
* testsuite/ocb-test.c (test_main): Add test vector from libgcrypt,
with larger message, to exercise above loop.
2023-05-16 Niels Möller <nisse@lysator.liu.se>
* x86_64/ghash-update.asm: Use separate unaligned load
instructions (movups) to load the tabulated values, since they are
only 8-byte aligned and pand memory operands require 16-byte
alignment.
2023-05-15 Niels Möller <nisse@lysator.liu.se>
* eccdata.c (output_bignum_redc): Add missing mpz_clear, reported
by Noah Watkins.
(output_digits): Delete a gratuitous mpz_init.
2023-05-14 Niels Möller <nisse@lysator.liu.se>
* Released nettle-3.9.
2023-05-12 Niels Möller <nisse@lysator.liu.se>
* texinfo.tex: Delete unused file.
Copy files from https://git.savannah.gnu.org/cgit/gnulib.git/plain/build-aux/
* install-sh: Update to 2020-11-14.01 version.
* config.guess: Update to 2023-01-01 version.
* config.sub: Update to 2023-01-21 version.
2023-05-10 Niels Möller <nisse@lysator.liu.se>
Fix compile error in --disable-public-key configuration.
* testsuite/sha1-test.c: Add missing include of sha1.h.
* testsuite/sha256-test.c: Add missing include of sha2.h.
2023-05-07 Niels Möller <nisse@lysator.liu.se>
* configure.ac: Bump package version, to 3.9.
(LIBNETTLE_MINOR): Bump minor number, to 8.7 (8.6 was used for
Nettle-3.8.1).
(LIBHOGWEED_MINOR): Bump minor number, to 6.7.
2023-04-25 Niels Möller <nisse@lysator.liu.se>
Rework tests of SIV message functions.
* testsuite/siv-gcm-test.c (nettle_encrypt_message_func)
(nettle_decrypt_message_func): Delete typedefs.
(test_compare_results, test_cipher_siv_gcm): Delete functions.
(test_siv_gcm_aes128, test_siv_gcm_aes256): Delete macros.
(siv_gcm_aes128, siv_gcm_aes256): New algorithm structs.
(test_main): Use test_aead_message.
* testsuite/siv-cmac-test.c (nettle_encrypt_message_func)
(nettle_decrypt_message_func): Delete typedefs.
(test_compare_results, test_cipher_siv): Delete functions.
(test_siv_aes128, test_siv_aes256): Delete macros.
(siv_cmac_aes128, siv_cmac_aes256): New algorithm structs.
(test_main): Use test_aead_message.
2023-04-24 Niels Möller <nisse@lysator.liu.se>
Rework tests of OCB message functions.
* testsuite/testutils.c (test_aead_message): New function, for
testing AEAD message functions.
* testsuite/testutils.h (nettle_encrypt_message_func)
(nettle_decrypt_message_func): New typedefs.
(struct nettle_aead_message): New struct.
* testsuite/ocb-test.c (nettle_encrypt_message_func)
(nettle_decrypt_message_func): Deleted typedefs.
(test_compare_results): Deleted function.
(test_ocb_aes128): Deleted macro.
(struct ocb_aes128_message_key): New struct.
(ocb_aes128_set_encrypt_key_wrapper)
(ocb_aes128_set_decrypt_key_wrapper)
(ocb_aes128_encrypt_message_wrapper)
(ocb_aes128_decrypt_message_wrapper): New wrapper functions, using
above ocb_aes128_message_key for both encrypt and decrypt, and a
fix tag length of 16 octets.
(ocb_aes128_message): New algorithm struct, with above wrappers.
(test_main): Use test_aead_message.
2023-04-23 Niels Möller <nisse@lysator.liu.se>
* testsuite/siv-cmac-test.c: Renamed file, from...
* testsuite/siv-test.c: ... old name.
2023-04-13 Niels Möller <nisse@lysator.liu.se>
* ghash-update.c (gcm_gf_mul): Rewrite to avoid side-channel
leakage. Now processes the message bits one at a time, using
tabulated values of the key premultiplied by appropriate powers of
x, so that the table is accessed in a fixed sequential order.
Performance penalty, on x86_64, is roughly 3 times.
(shift_table): Deleted table.
(gcm_gf_shift_8): Deleted function.
* ghash-set-key.c (_ghash_set_key): Rewrite table generation.
* gcmdata.c: Deleted.
* Makefile.in: Delete references to gcmdata.
* x86_64/ghash-update.asm: Rewritten, similar side-channel silent
method as the C implementation, with same table layout, but using
sse2 instructions.
* testsuite/gcm-test.c (test_ghash_internal): Add valgrind
annotations, to verify that the ghash implementation makes no
data-dependent branches or memory accesses.
* examples/nettle-benchmark.c (bench_ghash_update): New function.
2023-04-03 Niels Möller <nisse@lysator.liu.se>
From Mamone Tarsha:
* x86_64/pclmul/ghash-update.asm: New loop to process two blocks
at a time.
* x86_64/pclmul/ghash-set-key.asm: Likewise.
2023-03-25 Niels Möller <nisse@lysator.liu.se>
* ocb.h (OCB_MAX_NONCE_SIZE): New constant.
2023-02-16 Niels Möller <nisse@lysator.liu.se>
* x86_64/sha256-compress-n.asm: Fix incorrect w64 setup. Report
and fix from Gisle Vanem.
2023-02-08 Niels Möller <nisse@lysator.liu.se>
* examples/nettle-benchmark.c (main): Benchmark ocb_aes128.
2023-02-07 Niels Möller <nisse@lysator.liu.se>
Implement OCB mode. RFC 7253.
* block-internal.h (block16_set): New function.
* ocb.c (ocb_set_key, ocb_set_nonce, ocb_update, ocb_encrypt)
(ocb_decrypt, ocb_encrypt_message, ocb_decrypt_message): New
public functions.
(MEM_ROTATE_RIGHT, MEM_MASK): New macros.
(extract, update_offset, pad_block, ocb_fill_n, ocb_crypt_n)
(ocb_checksum_n): New helper functions.
* ocb-aes128.c (ocb_aes128_set_encrypt_key)
(ocb_aes128_set_decrypt_key, ocb_aes128_set_nonce)
(ocb_aes128_update, ocb_aes128_encrypt, ocb_aes128_decrypt)
(ocb_aes128_digest, ocb_aes128_encrypt_message)
(ocb_aes128_decrypt_message): New file, new functions.
* ocb.h: Declare ocb functions.
(struct ocb_key): New struct.
(struct ocb_ctx): New struct.
(struct ocb_aes128_encrypt_key): New struct.
* Makefile.in (nettle_SOURCES): Add ocb.c ocb-aes128.c.
(HEADERS): Add ocb.h.
* nettle-internal.c (nettle_ocb_aes128)
(ocb_aes128_set_encrypt_key_wrapper)
(ocb_aes128_set_decrypt_key_wrapper)
(ocb_aes128_set_nonce_wrapper, ocb_aes128_update_wrapper)
(ocb_aes128_encrypt_wrapper, ocb_aes128_decrypt_wrapper)
(ocb_aes128_digest_wrapper): New aead algorithm, and
related wrapper functions.
* nettle-internal.h (OCB_NONCE_SIZE): New constant.
(struct ocb_aes128_ctx): New struct.
* testsuite/ocb-test.c: New tests.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Add ocb-test.c.
2023-02-06 Niels Möller <nisse@lysator.liu.se>
* testsuite/testutils.c (test_aead): Always use set_nonce function
pointer if non-NULL, test varying alignment, output the unexpected
data when test fails.
2022-12-05 Niels Möller <nisse@lysator.liu.se>
* xts-aes128.c (xts_aes128_encrypt_message)
(xts_aes128_decrypt_message): const-declare the xts_key argument.
* xts-aes256.c (xts_aes256_encrypt_message)
(xts_aes256_decrypt_message): Likewise.
2022-11-09 Niels Möller <nisse@lysator.liu.se>
From Mamone Tarsha:
* powerpc64/p9/poly1305-blocks.asm: New file, multi-block radix
2^44 implementation. Benchmarked to give a speedup of 3.2 times on
Power9.
* powerpc64/p9/poly1305.m4 (DEFINES_BLOCK_R64, BLOCK_R64): New
file, new macros.
* powerpc64/p9/poly1305-internal.asm: Use BLOCK_R64 macro.
* powerpc64/machine.m4 (INC_GPR, INC_VR): New macros.
* powerpc64/fat/poly1305-blocks.asm: New file.
* poly1305-update.c: Check HAVE_NATIVE_fat_poly1305_blocks, and
define _nettle_poly1305_blocks_c when needed.
* fat-ppc.c: Fat setup for _nettle_poly1305_blocks.
2022-11-07 Niels Möller <nisse@lysator.liu.se>
* configure.ac (ASM_FLAGS): New configure environment variable.
* aclocal.m4 (GMP_TRY_ASSEMBLE): Use $ASM_FLAGS.
* config.make.in (ASM_FLAGS): Add substitution.
* Makefile.in: Use $(ASM_FLAGS) when compiling .asm files.
2022-10-31 Niels Möller <nisse@lysator.liu.se>
* configure.ac: (asm_file_list): Add HAVE_NATIVE_poly1305_blocks.
(asm_nettle_optional_list): Add poly1305-blocks.asm.
* x86_64/poly1305-blocks.asm: New file.
* md-internal.h (MD_FILL_OR_RETURN_INDEX): New macro.
* poly1305-update.c (_nettle_poly1305_update): New file and
function.
* poly1305-internal.h: Declare _nettle_poly1305_blocks and
_nettle_poly1305_update.
* chacha-poly1305.c (poly1305_update): Use _nettle_poly1305_update.
* poly1305-aes.c (poly1305_aes_update): Likewise.
* Makefile.in (nettle_SOURCES): Add poly1305-update.c.
2022-10-13 Niels Möller <nisse@lysator.liu.se>
* gmp-glue.c (mpn_sec_tabselect) [NETTLE_USE_MINI_GMP]: Add back
here, to support mini-gmp builds. Updated signature to be
compatible with the gmp version.
* gmp-glue.h: Add declaration.
2022-10-11 Niels Möller <nisse@lysator.liu.se>
* sec-tabselect.c (sec_tabselect): Delete file and function. All
callers updated to use gmp's mpn_sec_tabselect instead, which is
implemented in assembly on many platforms.
2022-10-02 Niels Möller <nisse@lysator.liu.se>
* examples/ecc-benchmark.c (bench_curve): Add benchmarking of
modulo q inversion.
2022-09-29 Niels Möller <nisse@lysator.liu.se>
* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Call ecc_mul_g and ecc_mul_a directly, not via
function pointers.
(ecc_ecdsa_verify_itch): Use ECC_MUL_A_ITCH
rather than ecc->mul_itch.
* ecc-gostdsa-verify.c (ecc_gostdsa_verify_itch)
(ecc_gostdsa_verify): Analogous changes.
* ecc-ecdsa-sign.c (ecc_ecdsa_sign): Call ecc_mul_g and ecc_j_to_a
directly, not via function pointers.
(ecc_ecdsa_sign_itch): Use ECC_MUL_G_ITCH rather than
ecc->mul_g_itch.
* ecc-gostdsa-sign.c (ecc_gostdsa_sign_itch, ecc_gostdsa_sign):
Analogous changes.
2022-09-28 Niels Möller <nisse@lysator.liu.se>
* testsuite/meta-hash-test.c (test_main): Add check of
NETTLE_MAX_HASH_BLOCK_SIZE.
* nettle-internal.h (NETTLE_MAX_HASH_BLOCK_SIZE): Increase to 144,
to accommodate sha3_224.
* testsuite/meta-cipher-test.c (test_main): Check that cipher
metadata doesn't exceed NETTLE_MAX_CIPHER_BLOCK_SIZE or
NETTLE_MAX_CIPHER_KEY_SIZE.
From Daiki Ueno:
* siv-gcm.c (siv_gcm_encrypt_message, siv_gcm_decrypt_message):
New file, implementation of SIV-GCM.
* siv-gcm.h (SIV_GCM_BLOCK_SIZE, SIV_GCM_DIGEST_SIZE)
(SIV_GCM_NONCE_SIZE): New header file, new constants and
declarations.
* siv-gcm-aes128.c (siv_gcm_aes128_encrypt_message)
(siv_gcm_aes128_decrypt_message): New file and functions.
* siv-gcm-aes256.c (siv_gcm_aes256_encrypt_message)
(siv_gcm_aes256_decrypt_message): Likewise.
* siv-ghash-set-key.c (_siv_ghash_set_key): New file, new internal
function.
* siv-ghash-update.c (_siv_ghash_update): Likewise.
* block-internal.h (block16_bswap): New inline function.
* bswap-internal.h (bswap64_if_be): New macro.
* nettle-internal.h (NETTLE_MAX_CIPHER_KEY_SIZE): New constant.
* Makefile.in (nettle_SOURCES): Add new source files.
(HEADERS): Add siv-gcm.h.
* testsuite/siv-gcm-test.c: New tests.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Add siv-gcm-test.c.
* nettle.texinfo (SIV-GCM): Documentation.
From Zoltan Fridrich:
* balloon.c (balloon, balloon_itch): Implementation of balloon
password hash.
* balloon.h: New header file.
* balloon-sha1.c (balloon_sha1): New file and function.
* balloon-sha256.c (balloon_sha256): Likewise.
* balloon-sha384.c (balloon_sha384): Likewise.
* balloon-sha512.c (balloon_sha512): Likewise.
* Makefile.in (nettle_SOURCES): Add balloon source files.
(HEADERS): Add ballon.h.
* testsuite/balloon-test.c: New tests.
* testsuite/Makefile.in (TS_NETTLE_SOURCES): Add balloon-test.c.
2022-09-14 Niels Möller <nisse@lysator.liu.se>
* ecc-nonsec-add-jjj.c (ecc_nonsec_add_jjj): New file and
function.
* ecc-internal.h: Declare it.
* Makefile.in (hogweed_SOURCES): Add ecc-nonsec-add-jjj.c.
* testsuite/ecc-add-test.c (test_main): Add tests for ecc_nonsec_add_jjj.
* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Use ecc_nonsec_add_jjj,
to produce correct result in a corner case where point addition
needs to use point duplication. Also use ecc_j_to_a rather than
ecc->h_to_a, since ecdsa supports only weierstrass curves.
* ecc-gostdsa-verify.c (ecc_gostdsa_verify): Analogous change.
* testsuite/ecdsa-verify-test.c (test_main): Add corresponding test.
* testsuite/ecdsa-sign-test.c (test_main): And a test producing
the problematic signature.
2022-09-08 Niels Möller <nisse@lysator.liu.se>
* eccdata.c (string_toupper): New utility function.
(output_modulo): Move more of the per-modulo output here.
(output_curve): Remove corresponding code.
2022-08-31 Niels Möller <nisse@lysator.liu.se>
* bswap-internal.h (nettle_bswap64, nettle_bswap32)
(bswap64_if_le): New header file, new inline functions/macros.
* gcm.c (gcm_hash_sizes): Use bswap64_if_le, and bswap-internal.h,
replacing local definition of bswap_if_le.
* nist-keywrap.c (nist_keywrap16): Likewise.
* blowfish-bcrypt.c (swap32): Renamed function, to...
(bswap32_if_le): ...new name, rewritten to use nettle_bswap32.
Update call sites.
* Makefile.in (DISTFILES): Add bswap-internal.h.
2022-08-18 Niels Möller <nisse@lysator.liu.se>
* Makefile.in (HEADERS): Add sm4.h.
From Tianjia Zhang: SM4 block cipher.
* sm4.c: New file.
* sm4.h: New file.
* sm4-meta.c: New file.
* gcm-sm4.c: New file
* gcm-sm4-meta.c: New file.
* nettle.texinfo: Document SM4.
* testsuite/gcm-test.c (test_main): Add SM4 tests.
* testsuite/sm4-test.c: New file.
* configure.ac (ABI): Change mips abi check to apply only to mips64.
2022-08-17 Niels Möller <nisse@lysator.liu.se>
* testsuite/testutils.c (mpz_urandomm) [NETTLE_USE_MINI_GMP]: New
fallback definition when building with mini-gmp.
2022-08-16 Niels Möller <nisse@lysator.liu.se>
* ecc-mod-arith.c (ecc_mod_sub): Ensure that if inputs are in the
range 0 <= a, b < 2m, then output is in the same range.
* eccdata.c (output_curve): New outputs ecc_Bm2p and ecc_Bm2q.
* ecc-internal.h (struct ecc_modulo): New member Bm2m (B^size -
2m), needed by ecc_mod_sub. Update all curves.
* testsuite/ecc-mod-arith-test.c: New tests for ecc_mod_add and
ecc_mod_sub.
* eccdata.c (output_modulo): Output the limb size, delete return
value.
(output_curve): Update calls to output_modulo, other minor cleanup.
2022-08-07 Niels Möller <nisse@lysator.liu.se>
Delete all arcfour assembly code.
* arcfour.c (arcfour_crypt): Moved function here, from...
* arcfour-crypt.c: ... deleted file.
* sparc32/arcfour-crypt.asm: Deleted.
* sparc64/arcfour-crypt.asm: Deleted.
* x86/arcfour-crypt.asm: Deleted.
* asm.m4: Delete arcfour structure offsets.
2022-08-07 Niels Möller <nisse@lysator.liu.se>
Based on patch from Corentin Labbe:
* nettle.texinfo: Document sha256_compress, sha512_compress,
md5_compress and sha1_compress.
* configure.ac: Refer to nettle-types.h, rather than arcfour.c,
for AC_CONFIG_SRCDIR.
2022-08-05 Niels Möller <nisse@lysator.liu.se>
* nettle-internal.h: Include stdlib.h, fix alloca warnings on BSD.
* hmac.c: Delete corresponding include here, no longer needed.
* getopt.c: Include stdlib.h and unistd.h unconditionally,
similarly to the gnulib version of this file.
2022-08-04 Niels Möller <nisse@lysator.liu.se>
From Brad Smith:
* configure.ac: Fix 64-bit MIPS ABI check for other OS's like *BSD / Linux.
* aclocal.m4 (LSH_CCPIC): Use proper PIC flag for *BSD OS's.
* blowfish-bcrypt.c (swap32): Eliminate conflict with OpenBSD's swap32 macro.
2022-07-29 Niels Möller <nisse@lysator.liu.se>
* s390x/msa_x1/sha256-compress-n.asm: New file. replacing...
* s390x/msa_x1/sha256-compress.asm: ...deleted file.
* s390x/fat/sha256-compress-n-2.asm: New file. replacing...
* s390x/fat/sha256-compress-2.asm: ...deleted file.
* fat-s390x.c: Update fat setup.
2022-07-26 Niels Möller <nisse@lysator.liu.se>
* arm/v6/sha256-compress-n.asm: New file. replacing...
* arm/v6/sha256-compress.asm: ...deleted file.
* arm/fat/sha256-compress-n-2.asm: New file. replacing...
* arm/fat/sha256-compress-2.asm: ...deleted file.
* fat-arm.c: Update fat setup.
2022-07-11 Niels Möller <nisse@lysator.liu.se>
* arm64/crypto/sha256-compress-n.asm: New file. replacing...
* arm64/crypto/sha256-compress.asm: ...deleted file.
* arm64/fat/sha256-compress-n-2.asm: New file. replacing...
* arm64/fat/sha256-compress-2.asm: ...deleted file.
* fat-arm64.c: Update fat setup.
2022-07-05 Niels Möller <nisse@lysator.liu.se>
* md-internal.h (MD_FILL_OR_RETURN): New file, new macro.
* sha256-compress-n.c (_nettle_sha256_compress_n): New file and
function, replacing...
* sha256-compress.c (_nettle_sha256_compress): ...deleted file and