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* Release 1.9.2libgcrypt-1.9.2Werner Koch2021-02-173-4/+4
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* Update NEWSWerner Koch2021-02-121-0/+19
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* random: Fix build for macOS.NIIBE Yutaka2021-02-121-0/+3
| | | | | | | | | | * random/rndlinux.c [__APPLE__] (HAVE_GETENTROPY): Valid only when the macro __MAC_10_11 is available. -- GnuPG-bug-id: 5268 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* tests: Fix minor glitches.Werner Koch2021-02-082-2/+3
| | | | | | | | | | | * tests/basic.c (ALWAYS_INLINE): Make sure it is defined. * tests/version.c (main): Print the config info to stdout. -- We need to have the config output at stdout so that the testdrv is able to show or suppress it. Signed-off-by: Werner Koch <wk@gnupg.org>
* New test Makefile target xtestsuiteWerner Koch2021-02-081-2/+42
| | | | | | | | | | * tests/Makefile.am (xtestsuite, xcheck): New targets. -- This make target can be used to build tarball with all software required for a regression tests on the target platform. Signed-off-by: Werner Koch <wk@gnupg.org>
* New test driver to allow for standalone regression tests.Werner Koch2021-02-081-0/+888
| | | | | | | | | | | | | | | | | * tests/testdrv.c: New. -- This driver is intended to run easily run the regression tests on the actual host platform where the software has been compiled for. In particular for Windows cross-building is mandatory and manually running tests is error prone. Some of the code has been taken from gnupg/common/exechelp*.c and re-licensed from (LGPL-3.0-or-later OR GPL-2.0-or-later) to LGPL-2.1-or-later. The original code has been written by g10 Code employees or contractors. Signed-off-by: Werner Koch <wk@gnupg.org>
* sha256-avx2: fix reading beyond end of input bufferJussi Kivilinna2021-02-032-5/+22
| | | | | | | | | | | | | * cipher/sha256-avx2-bmi2-amd64.S (_gcry_sha256_transform_amd64_avx2): Use 'last block' code path if input length is only one block. * tests/basic.c (check_one_md_final): Use dynamic allocated buffer so that in future similar access errors get detected by tests/basic + valgrind. -- Reported-by: Guido Vranken <guidovranken@gmail.com> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* ecc-ecdh: fix memory leakJussi Kivilinna2021-02-031-0/+1
| | | | | | | * cipher/ecc-ecdh.c (_gcry_ecc_mul_point): Free 'ec' at function exit. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* tests: allow running 'make check' with ASANJussi Kivilinna2021-02-032-1/+16
| | | | | | | | | | | | | | * tests/t-secmem.c (main): Skip test if environment variable GCRYPT_IN_ASAN_TEST is defined. * tests/t-sexp.c (main): Do not initialize secmem if environment variable GCRYPT_IN_ASAN_TEST is defined. -- ASAN and mlock are incompatible, so add GCRYPT_IN_ASAN_TEST environment variant for skipping tests failing as result. This allows easier automation of ASAN checks. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* global: make sure that bulk config string is null-terminatedJussi Kivilinna2021-02-031-0/+7
| | | | | | | | | | | * src/global.c (_gcry_get_config): Append null-terminator to output in the 'what == NULL' case. -- Config string was not being explicitly null-terminated which resulted garbage output from tests/version with ASAN enabled builds. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Add handling for -Og with O-flag mungingJussi Kivilinna2021-02-032-2/+2
| | | | | | | | * cipher/Makefile.am (o_flag_munging): Add handling for '-Og'. * random/Makefile.am (o_flag_munging): Add handling for '-Og'. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* jent: silence ubsan warning about signed overflowJussi Kivilinna2021-02-031-1/+1
| | | | | | | | * random/jitterentropy-base.c (jent_stuck): Cast 'delta2' values to 'uint64_t' for calculation. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Fix ubsan warnings for i386 buildJussi Kivilinna2021-02-032-9/+9
| | | | | | | | | * mpi/mpicoder.c (_gcry_mpi_set_buffer) [BYTES_PER_MPI_LIMB == 4]: Cast "*p--" values to mpi_limb_t before left shifting. * tests/t-lock.c (main): Cast 'time(NULL)' to unsigned type. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Fix building with --disable-asm on x86Jussi Kivilinna2021-02-032-4/+7
| | | | | | | | | | * cipher/keccak.c (USE_64BIT_BMI2, USE_64BIT_SHLD) (USE_32BIT_BMI2): Depend also on HAVE_CPU_ARCH_X86. * random/rndjent.c [__i386__ || __x86_64__] (USE_JENT): Depend also on HAVE_CPU_ARCH_X86. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* md: clear bctx.count at final functionJussi Kivilinna2021-02-039-15/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/md4.c (md4_final): Set bctx.count zero after finalizing. * cipher/md5.c (md5_final): Ditto. * cipher/rmd160.c (rmd160_final): Ditto. * cipher/sha1.c (sha1_final): Ditto. * cipher/sha256.c (sha256_final): Ditto. * cipher/sha512.c (sha512_final): Ditto. * cipher/sm3.c (sm3_final): Ditto. * cipher/stribog.c (stribog_final): Ditto. * cipher/tiger.c (tiger_final): Ditto. -- Final functions used to use _gcry_md_block_write for passing final blocks to transform function and thus set bctx.count to zero in _gcry_md_block_write. Final functions were then changed to use transform functions directly, but bctx.count was not set zero after this change. Then later optimization to final functions to pass two blocks to transform functions in one call also changed values set to bctx.count, causing bctx.count getting value larger than block-size of digest algorithm. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* ecc: Add checking key for ECDSA.NIIBE Yutaka2021-02-023-0/+9
| | | | | | | | | | | | * cipher/ecc-ecdsa.c (_gcry_ecc_ecdsa_verify): Validate public key. * cipher/ecc-gost.c (_gcry_ecc_gost_verify): Likewise. * cipher/ecc-sm2.c (_gcry_ecc_sm2_verify): Likewise. -- GnuPG-bug-id: 5282 Reported-by: Guido Vranken <guidovranken@gmail.com> Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* Post release updatesWerner Koch2021-01-292-1/+9
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* Release 1.9.1libgcrypt-1.9.1Werner Koch2021-01-292-2/+55
| | | | * configure.ac: Bump LT version to C23/A3/R1.
* hash-common: fix heap overflow when writing more data after finalJussi Kivilinna2021-01-292-0/+14
| | | | | | | | | | | | | | | | * tests/basic.c (check_one_md): Test writing to digest after read. * cipher/hash-common.c (_gcry_md_block_write): Reset 'hd->count' if greater than blocksize. -- '_gcry_md_block_write' did not expect 'hd->count' being greater than digest blocksize. However digest final function may set 'hd->count' to larger value. Now, if write is called after final function and 'hd->count' gets too large value, 'copylen' parameter to buf_cpy may have value larger than size of 'hd->buf' and cause heap overflow. Reported-by: Tavis Ormandy <taviso@gmail.com> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Add a compliance keyword to gcry_get_config.Werner Koch2021-01-281-0/+15
| | | | | | * src/global.c (print_config): New config line. Signed-off-by: Werner Koch <wk@gnupg.org>
* asm-common-aarch64: add MacOS support for GET_DATA_POINTERJussi Kivilinna2021-01-271-1/+5
| | | | | | | | | * cipher/asm-common-aarch64.h [__APPLE__] (GET_DATA_POINTER): Add MacOS variant of macro. -- GnuPG-bug-id: 5157 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* random: Use getentropy on macOS when available.NIIBE Yutaka2021-01-271-0/+7
| | | | | | | | | | | * random/rndlinux.c [__APPLE__ && __MACH__] (getentropy): Declare. (_gcry_rndlinux_gather_random): Check the symbol and use getentropy. -- GnuPG-bug-id: 5268 Suggested-by: David Carlier Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* mpi: Fix _gcry_mpih_mod implementation.NIIBE Yutaka2021-01-271-2/+3
| | | | | | | | | | | * mpi/mpih-const-time.c (_gcry_mpih_mod): Handle the overflow. -- GnuPG-bug-id: 5269 Reported-by: Guido Vranken <guidovranken@gmail.com> Fixes-commit: 95bdfd9ce9e114f447f3639e551e8f4f63d024fe Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* build: Check spawn.h for MacOS X Tiger.NIIBE Yutaka2021-01-272-1/+2
| | | | | | | | | | | | | * configure.ac: Add check for spawn.h. * tests/random.c: Only use posix_spawn if available. -- Since older version doesn't have SIP or it is not enabled, no problem using system(3). GnuPG-bug-id: 5159 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* global: fix compile error at pragma GCC diagnosticJussi Kivilinna2021-01-261-7/+8
| | | | | | | | | | | | | | | * src/global.c (_gcry_vcontrol): Move "pragma GCC diagnostics" outside function. -- Building with GCC-4.2 (Ubuntu 8.04) failed with error: global.c: In function '_gcry_vcontrol': global.c:714: error: #pragma GCC diagnostic not allowed inside functions global.c:715: error: #pragma GCC diagnostic not allowed inside functions global.c:742: error: #pragma GCC diagnostic not allowed inside functions GnuPG-bug-id: 5264 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* cipher-proto: remove forward typedef of cipher_bulk_ops_tJussi Kivilinna2021-01-2613-9/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/cipher-proto (cipher_bulk_ops_t): Remove typedef, leave forward declaration of 'struct cipher_bulk_ops'. (gcry_cipher_setkey_t): Change 'bulk_ops' to 'struct cipher_bulk_ops *'. * cipher/arcfour.c: Include 'cipher-internal.h'. * cipher/gost28147.c: Ditto. * cipher/idea.c: Ditto. * cipher/rfc2268.c: Ditto. * cipher/salsa20.c: Ditto. * cipher/seed.c: Ditto. * cipher/mac-internal.h (CTX_MAGIC_NORMAL): Rename to... (CTX_MAC_MAGIC_NORMAL): ... this. (CTX_MAGIC_SECURE): Rename to... (CTX_MAC_MAGIC_SECURE): ... this. * cipher/mac-cmac.c (cmac_open): Use CTX_MAC_MAGIC_SECURE. * cipher/mac-gmac.c (gmac_open): Ditto. * cipher/mac-hmac.c (hmac_open): Ditto. * cipher/mac-poly1305.c (poly1305mac_open): Ditto. * cipher/mac.c (mac_open): Use CTX_MAC_MAGIC_SECURE and CTX_MAC_MAGIC_NORMAL. -- CTX_MAC_MAGIC_* change is needed since gost28147.c now includes both 'cipher-internal.h' and 'mac-internal.h' which both defined CTX_MAC_MAGIC_* with different values. GnuPG-bug-id: 5264 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* cipher/sha512: Fix non-NEON ARM assembly implementationDavid Michael2021-01-261-1/+1
| | | | | | | | | | | | | | * cipher/sha512.c (do_transform_generic) [USE_ARM_ASM]: Switch to the non-NEON assembly implementation. -- When building for ARM CPUs that don't support NEON, linking fails with an "undefined reference to _gcry_sha512_transform_armv7_neon" error. Switching to the non-NEON assembly function corrects this. [jk: add bug-id] GnuPG-bug-id: 5263 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* blake2: fix RIP register access for AVX/AVX2 implementationsJussi Kivilinna2021-01-262-12/+12
| | | | | | | | | * cipher/blake2b-amd64-avx2.S: Use rRIP instead of (RIP). * cipher/blake2s-amd64-avx.S: Use rRIP instead of (RIP). -- Reported-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* sha512/sha256: remove assembler macros from AMD64 implementationsJussi Kivilinna2021-01-267-1508/+1387
| | | | | | | | | | | | | | | | | | | * configure.ac (gcry_cv_gcc_platform_as_ok_for_intel_syntax): Remove assembler macro check from Intel syntax assembly support check. * cipher/sha256-avx-amd64.S: Replace assembler macros with C preprocessor counterparts. * cipher/sha256-avx2-bmi2-amd64.S: Ditto. * cipher/sha256-ssse3-amd64.S: Ditto. * cipher/sha512-avx-amd64.S: Ditto. * cipher/sha512-avx2-bmi2-amd64.S: Ditto. * cipher/sha512-ssse3-amd64.S: Ditto. -- Removing GNU assembler macros allows building these implementations with clang. GnuPG-bug-id: 5255 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* configure.ac: run assembler checks through linker for better LTO supportJussi Kivilinna2021-01-261-46/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | * configure.ac (gcry_cv_gcc_arm_platform_as_ok) (gcry_cv_gcc_aarch64_platform_as_ok) (gcry_cv_gcc_inline_asm_ssse3, gcry_cv_gcc_inline_asm_pclmul) (gcry_cv_gcc_inline_asm_shaext, gcry_cv_gcc_inline_asm_sse41) (gcry_cv_gcc_inline_asm_avx, gcry_cv_gcc_inline_asm_avx2) (gcry_cv_gcc_inline_asm_bmi2, gcry_cv_gcc_as_const_division_ok) (gcry_cv_gcc_as_const_division_with_wadivide_ok) (gcry_cv_gcc_amd64_platform_as_ok, gcry_cv_gcc_win64_platform_as_ok) (gcry_cv_gcc_platform_as_ok_for_intel_syntax) (gcry_cv_gcc_inline_asm_neon, gcry_cv_gcc_inline_asm_aarch32_crypto) (gcry_cv_gcc_inline_asm_aarch64_neon) (gcry_cv_gcc_inline_asm_aarch64_crypto) (gcry_cv_gcc_inline_asm_ppc_altivec) (gcry_cv_gcc_inline_asm_ppc_arch_3_00) (gcry_cv_gcc_inline_asm_s390x, gcry_cv_gcc_inline_asm_s390x): Use AC_LINK_IFELSE check instead of AC_COMPILE_IFELSE. -- LTO may defer assembly checking to linker stage, thus we need to use AC_LINK_IFELSE instead of AC_COMPILE_IFELSE for these checks. GnuPG-bug-id: 5255 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* rijndael: remove unused use_xxx flagsJussi Kivilinna2021-01-262-43/+2
| | | | | | | | | | | | * cipher/rijndael-internal.h (RIJNDAEL_context_s): Remove unused 'use_padlock', 'use_aesni', 'use_ssse3', 'use_arm_ce', 'use_ppc_crypto' and 'use_ppc9le_crypto'. * cipher/rijndael.c (do_setkey): Do not setup 'use_padlock', 'use_aesni', 'use_ssse3', 'use_arm_ce', 'use_ppc_crypto' and 'use_ppc9le_crypto'. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Define HW-feature flags per architectureJussi Kivilinna2021-01-264-29/+39
| | | | | | | | | | | | | | | | | * random/rand-internal.h (_gcry_rndhw_poll_slow): Add requested length parameter. * random/rndhw.c (_gcry_rndhw_poll_slow): Limit accounted bytes to 50% (or 25% for RDRAND) - this code is moved from caller side. * random/rndlinux.c (_gcry_rndlinux_gather_random): Move HWF_INTEL_RDRAND check to _gcry_rndhw_poll_slow. * src/g10lib.h (HWF_PADLOCK_*, HWF_INTEL_*): Define only if HAVE_CPU_ARCH_X86. (HWF_ARM_*): Define only if HAVE_CPU_ARCH_ARM. (HWF_PPC_*): Define only if HAVE_CPU_ARCH_PPC. (HWF_S390X_*): Define only if HAVE_CPU_ARCH_S390X. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Add configure option to force enable 'soft' HW feature bitsJussi Kivilinna2021-01-262-0/+37
| | | | | | | | | | | | | | | | | | | | | * configure.ac (force_soft_hwfeatures) (ENABLE_FORCE_SOFT_HWFEATURES): New. * src/hwf-x86.c (detect_x86_gnuc): Enable HWF_INTEL_FAST_SHLD and HWF_INTEL_FAST_VPGATHER if ENABLE_FORCE_SOFT_HWFEATURES enabled. -- Patch allows enabling HW features, that are fast only select CPU models, on all CPUs. For example, SHLD instruction is fast on only select Intel processors and should not be used on others. This configuration option allows enabling these 'soft' HW features for testing purposes on all CPUs. Current 'soft' HW features are: - "intel-fast-shld": supported by all x86 (but very slow on most) - "intel-fast-vpgather": supported by all x86 with AVX2 (but slow on most) Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* ecc: Fix Ed25519 private key handling for preceding ZEROs.NIIBE Yutaka2021-01-261-5/+23
| | | | | | | | | | | | * cipher/ecc-curves.c (mpi_ec_setup_elliptic_curve): Fill-up or remove preceding ZEROs correctly, fixing the third argument of mpi_set_opaque. -- Reported-by: Vladimir Lomov <lomov.vl@yandex.ru> GnuPG-bug-id: 5267 Fixes-commit: 361a0588489cf4a539da8debd1771024a1faa218 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* ecc: Fix initialization of CTX for sign and verify.NIIBE Yutaka2021-01-261-3/+5
| | | | | | | | | | | | * cipher/ecc.c (ecc_sign, ecc_verify): Call _gcry_pk_util_init_encoding_ctx at first. -- Reported-by: Vladimir Lomov <lomov.vl@yandex.ru> GnuPG-bug-id: 5267 Fixes-commit: d51a9c259d49c63121fab48bce48d826e9b57733 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* Merge branch 'LIBGCRYPT-1.9-BRANCH'Werner Koch2021-01-2110-42/+206
|\ | | | | | | | | | | | | -- Master is missing latest NEWS and some other last minute changes from the 1.9.0 release.
| * doc: Fix wrong CVE id in NEWSWerner Koch2021-01-201-1/+1
| | | | | | | | --
| * Post release updatesWerner Koch2021-01-192-1/+5
| | | | | | | | --
| * Release 1.9.0libgcrypt-1.9.0Werner Koch2021-01-196-19/+24
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| * Merge branch 'master' into LIBGCRYPT-1.9-BRANCHWerner Koch2021-01-185-2/+521
| |\ | | | | | | | | | --
| * | doc: Add NEWS items for 1.9.0Werner Koch2021-01-181-11/+95
| | | | | | | | | | | | --
| * | ecc: Change an error code of gcry_ecc_mul_point.Werner Koch2021-01-184-18/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/ecc-ecdh.c (_gcry_ecc_mul_point): Return GPG_ERR_UNKNOWN_CURVE. -- Unknown_curve is more specific than unknown_algorithm. This patch also adds documentation and renames rthe parameter from 'algo' to 'curveid'. Signed-off-by: Werner Koch <wk@gnupg.org>
| * | doc: Add NEWS from the latest 1.8 releasesWerner Koch2021-01-121-0/+35
| | | | | | | | | | | | --
* | | build: Fix build of tests with non-default installation.NIIBE Yutaka2021-01-211-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tests/Makefile.am: Add forgotten @LDADD_FOR_TESTS_KLUDGE@. -- Possible linking option by @LDADD_FOR_TESTS_KLUDGE@ matters. When system has old libgcrypt and developer tests not-yet-installed libgcrypt by make check, without this, because LD_LIBRARY_PATH has precedence than DT_RUNPATH, those test programs will use old libgcrypt under LD_LIBRARY_PATH. Fixes-commit: 9b8ac13761f0407bd701e43b0a65fbada204958f Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* | | Split inline assembly blocks with many memory operandsJussi Kivilinna2021-01-202-65/+90
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/rijndael-aesni.c (aesni_ocb_checksum, aesni_ocb_enc) (aesni_ocb_dec, _gcry_aes_aesni_ocb_auth): Split assembly blocks with more than 4 memory operands to smaller blocks. * cipher/sha512-ssse3-i386.c (W2): Split big assembly block to three smaller blocks. -- On i386, with -O0, assembly blocks with many memory operands cause compiler error such as: rijndael-aesni.c:2815:7: error: 'asm' operand has impossible constraints Fix is to split assembly blocks so that number of operands per block is reduced. GnuPG-bug-id: 5257 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* | | tests/basic: fix build on ARM32 when NEON disabledJussi Kivilinna2021-01-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tests/basic.c (CLUTTER_VECTOR_REGISTER_NEON) (CLUTTER_VECTOR_REGISTER_AARCH64): Remove check for __ARM_FEATURE_SIMD32. -- Cluttering of NEON vector registers was enabled even if NEON was not active for current compiler target. Issue was caused by enabling NEON cluttering by wrong feature macro __ARM_FEATURE_SIMD32. GnuPG-bug-id: 5251 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* | | kdf: make self-test test-vector array read-onlyJussi Kivilinna2021-01-201-1/+1
| | | | | | | | | | | | | | | | | | | | | * cipher/kdf.c (selftest_pbkdf2): Make 'tv[]' constant. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* | | kdf: add missing null-terminator for self-test test-vector arrayJussi Kivilinna2021-01-201-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/kdf.c (selftest_pbkdf2): Add null-terminator to TV array. -- This was causing kdf self-test to fail on s390x builds. GnuPG-bug-id: 5254 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* | | cipher/bithelp: use __builtin_ctzl when availableJussi Kivilinna2021-01-201-3/+5
| | | | | | | | | | | | | | | | | | | | | * cipher/bithelp.h (_gcry_ctz64): Use __builtin_ctzl if available. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* | | mpi/longlong: make use of compiler provided __builtin_ctz/__builtin_clzJussi Kivilinna2021-01-202-0/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure.ac (gcry_cv_have_builtin_ctzl, gcry_cv_have_builtin_clz) (gcry_cv_have_builtin_clzl): New checks. * mpi/longlong.h (count_leading_zeros, count_trailing_zeros): Use __buildin_clz[l]/__builtin_ctz[l] if available and bit counting macros not yet provided by inline assembly. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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