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* configure.ac (available_digests_64): Merge with available_digests.
(available_kdfs_64): Merge with available_kdfs.
<64 bit datatype test>: Bail out if no such type is available.
* src/types.h: Emit #error if no u64 can be defined.
(PROPERLY_ALIGNED_TYPE): Always add u64 type.
* cipher/bithelp.h: Remove all code paths which handle the
case of !HAVE_U64_TYPEDEF.
* cipher/bufhelp.h: Ditto.
* cipher/cipher-ccm.c: Ditto.
* cipher/cipher-gcm.c: Ditto.
* cipher/cipher-internal.h: Ditto.
* cipher/cipher.c: Ditto.
* cipher/hash-common.h: Ditto.
* cipher/md.c: Ditto.
* cipher/poly1305.c: Ditto.
* cipher/scrypt.c: Ditto.
* cipher/tiger.c: Ditto.
* src/g10lib.h: Ditto.
* tests/basic.c: Ditto.
* tests/bench-slope.c: Ditto.
* tests/benchmark.c: Ditto.
--
Given that SHA-2 and some other algorithms require a 64 bit type it
does not make anymore sense to conditionally compile some part when
the platform does not provide such a type.
GnuPG-bug-id: 1815.
Signed-off-by: Werner Koch <wk@gnupg.org>
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* cipher/bufhelp.h: Move include for uintptr_t to ...
* src/types.h: here. Check that config.h has been included.
Signed-off-by: Werner Koch <wk@gnupg.org>
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* cipher/bithelp.h (_gcry_ctz, _gcry_ctz64): New.
* configure.ac (HAVE_BUILTIN_CTZ): Add new test.
--
Note that these functions return the number of bits in the word when
passing 0.
Signed-off-by: Werner Koch <wk@gnupg.org>
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* cipher/bithelp.h (bswap32): Rename to _gcry_bswap32.
(bswap64): Rename to _gcry_bswap64.
--
NetBSD provides system macros bswap32 and bswap64 which conflicts with
our macros. Prefixing them with _gcry_ is easier than to come up with
a proper test.
GnuPG-bug-id: 1600
Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 36214bfa8f612cd2faa4de217d1a12a8b5faadbf)
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* cipher/bithelp.h (rol, ror): Mask shift with 31.
--
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* cipher/bithelp.h (rol, ror): Remove i386 version, change
macros to inline functions.
* src/hmac256.c (ror): Ditto.
--
(Current) compilers can optimize '(x << c) | (x >> (32-c))' to rotation
instruction. So remove i386 specific assembly for manually doing this.
Furthermore, compiler can generate faster code in case where 'c' is
constant and can use rotate with immediate value rather than rotate
with %cl register.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* cipher/bithelp.h (bswap32, bswap64, le_bswap32, be_bswap32)
(le_bswap64, be_bswap64): New.
* cipher/bufhelp.h (buf_get_be32, buf_get_le32, buf_put_le32)
(buf_put_be32, buf_get_be64, buf_get_le64, buf_put_be64)
(buf_put_le64): New.
* cipher/blowfish.c (do_encrypt_block, do_decrypt_block): Use new
endian conversion helpers.
(do_bf_setkey): Turn endian specific code to generic.
* cipher/camellia.c (GETU32, PUTU32): Use new endian conversion
helpers.
* cipher/cast5.c (rol): Remove, use rol from bithelp.
(F1, F2, F3): Fix to use rol from bithelp.
(do_encrypt_block, do_decrypt_block, do_cast_setkey): Use new endian
conversion helpers.
* cipher/des.c (READ_64BIT_DATA, WRITE_64BIT_DATA): Ditto.
* cipher/md4.c (transform, md4_final): Ditto.
* cipher/md5.c (transform, md5_final): Ditto.
* cipher/rmd160.c (transform, rmd160_final): Ditto.
* cipher/salsa20.c (LE_SWAP32, LE_READ_UINT32): Ditto.
* cipher/scrypt.c (READ_UINT64, LE_READ_UINT64, LE_SWAP32): Ditto.
* cipher/seed.c (GETU32, PUTU32): Ditto.
* cipher/serpent.c (byte_swap_32): Remove.
(serpent_key_prepare, serpent_encrypt_internal)
(serpent_decrypt_internal): Use new endian conversion helpers.
* cipher/sha1.c (transform, sha1_final): Ditto.
* cipher/sha256.c (transform, sha256_final): Ditto.
* cipher/sha512.c (__transform, sha512_final): Ditto.
* cipher/stribog.c (transform, stribog_final): Ditto.
* cipher/tiger.c (transform, tiger_final): Ditto.
* cipher/twofish.c (INPACK, OUTUNPACK): Ditto.
* cipher/whirlpool.c (buffer_to_block, block_to_buffer): Ditto.
* configure.ac (gcry_cv_have_builtin_bswap32): Check for compiler
provided __builtin_bswap32.
(gcry_cv_have_builtin_bswap64): Check for compiler provided
__builtin_bswap64.
--
Patch add helper functions that provide conversions to/from integers and
buffers of different endianess. Benefits are code cleanup and optimization
for architectures that have byte-swaping instructions and/or can do fast
unaligned memory accesses.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* cipher/bithelp.h [__GNUC__, __i386__] (rol, ror): add "cc" globber
for inline assembly.
* cipher/cast5.c [__GNUC__, __i386__] (rol): Ditto.
* random/rndhw.c [USE_DRNG] (rdrand_long): Ditto.
* src/hmac256.c [__GNUC__, __i386__] (ror): Ditto.
* mpi/longlong.c [__i386__] (add_ssaaaa, sub_ddmmss, umul_ppmm)
(udiv_qrnnd, count_leading_zeros, count_trailing_zeros): Ditto.
--
These assembly snippets modify cflags but do not mark "cc" clobber.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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(check_digests): Add checks for SHA-256.
* sha256.c: New.
* bithelp.h (ror): New.
* Makfile.am: Add sha256.c.
* md.c (oid_table): Add values for SHA256 et al.
(gcry_md_get_algo_dlen): Likewise
* configure.ac (LIBGCRYPT_LT_REVISION): Bumbed up.
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