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* doc: The shortest doc dot fix ever.Werner Koch2020-06-051-1/+1
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* ecc: Make 1.3.101.112 and alias for Ed25519Werner Koch2020-05-131-3/+6
| | | | | | -- Fixes-commit: c750b784d2bee0a32be72bcfb818e0a7683fa914
* doc: Really minor fixes.Werner Koch2020-05-061-4/+4
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* sexp: Extend gcry_sexp_extract_param with a multi-string extractor.Werner Koch2020-04-141-0/+8
| | | | | | | | | | * src/sexp.c (_gcry_sexp_vextract_param): Implement "%#s" control sequence. -- This comes handy to extract a list of flags. Signed-off-by: Werner Koch <wk@gnupg.org>
* sexp: Extend gcry_sexp_extract_param with new format specifiers.Werner Koch2020-04-091-1/+20
| | | | | | | * src/sexp.c (_gcry_sexp_vextract_param): Add new conversion methods. * tests/t-sexp.c (check_extract_param): Add corresponding tests. Signed-off-by: Werner Koch <wk@gnupg.org>
* gost28147: add support for CryptoPro key meshing per RFC 4357Dmitry Baryshkov2020-03-201-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/gost28147.c (gost_do_set_sbox, cryptopro_key_meshing, CryptoProMeshingKey, gost_encrypt_block_mesh): New. (_gcry_cipher_spec_gost28147_mesh): New cipher with keymeshing, (_gcry_cipher_spec_gost28147): Remove OIDs for this cipher should not be selected using these OIDs (they are for CFB with keymeshing). * cipher/cipher.c (cipher_list, cipher_list_algo301): add _gcry_cipher_spec_gost28147_mesh. * src/gcrypt.h.in (GCRY_CIPHER_GOST28147_MESH): New cipher with keymeshing. * doc/gcrypt.texi (GCRY_CIPHER_GOST28147_MESH): Add definition. * tests/basic.c (check_gost28147_cipher, check_gost28147_cipher_basic): Run basic tests on GCRY_CIPHER_GOST28147_MESH. -- Add actual cipher implementing CryptoPro KeyMeshing. This has been requested by AltLinux team to properly support CFB-encrypted CMS files. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
* doc: Fix description of hash algorithmsSébastien Helleu2020-03-031-2/+2
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* gcrypt.texi: fix GCRYCTL_GET_ALGO_NENCR typoJussi Kivilinna2020-01-191-1/+1
| | | | | | | * doc/gcrypt.texi: Fix GCRYCTL_GET_ALGO_NENC to GCRYCTL_GET_ALGO_NENCR. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* build: Use {CFLAGS,CPPFLAGS,LDFLAGS}_FOR_BUILD for helper programs.NIIBE Yutaka2019-07-221-1/+2
| | | | | | | | | | * configure.ac (CC_FOR_BUILD): Use AX_CC_FOR_BUILD. * cipher/Makefile.am (gost-s-box): Add {CFLAGS,CPPFLAGS,LDFLAGS}_FOR_BUILD. * doc/Makefile.am (yat2m): Likewise. * m4/ax_cc_for_build.m4: New. Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* Limit and document Blowfish key lengths to 8-576 bitsJussi Kivilinna2019-04-181-3/+3
| | | | | | | | | | | | | | | | | | * cipher/blowfish.c (BLOWFISH_KEY_MIN_BITS) (BLOWFISH_KEY_MAX_BITS): New. (do_bf_setkey): Check input key length to MIN_BITS and MAX_BITS. * doc/gcrypt.texi: Update supported Blowfish key lengths. * tests/basic.c (check_ecb_cipher): New, with Blowfish test vectors for different key lengths. (check_cipher_modes): Call 'check_ecb_cipher'. -- As noted by Peter Wu, Blowfish cipher implementation already supports key lengths 8 to 576 bits [1]. This change updates documentation to reflect that and adds new test vectors to check handling of different key lengths. [1] https://lists.gnupg.org/pipermail/gcrypt-devel/2019-April/004680.html Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Add SHA512/224 and SHA512/256 algorithmsJussi Kivilinna2019-04-051-2/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/mac-hmac.c (map_mac_algo_to_md): Add mapping for SHA512/224 and SHA512/256. (_gcry_mac_type_spec_hmac_sha512_256) (_gcry_mac_type_spec_hmac_sha512_224): New. * cipher/mac-internal.h (_gcry_mac_type_spec_hmac_sha512_256) (_gcry_mac_type_spec_hmac_sha512_224): New. * cipher/mac.c (mac_list, mac_list_algo101): Add SHA512/224 and SHA512/256. * cipher/md.c (digest_list, digest_list_algo301) (prepare_macpads): Ditto. * cipher/sha512.c (run_selftests): Ditto. (sha512_init_common): Move common initialization here. (sha512_init, sha384_init): Use common initialization function. (sha512_224_init, sha512_256_init, _gcry_sha512_224_hash_buffer) (_gcry_sha512_224_hash_buffers, _gcry_sha512_256_hash_buffer) (_gcry_sha512_256_hash_buffers, selftests_sha512_224) (selftests_sha512_256, sha512_224_asn, oid_spec_sha512_224) (_gcry_digest_spec_sha512_224, sha512_256_asn, oid_spec_sha512_256) (_gcry_digest_spec_sha512_256): New. * doc/gcrypt.texi: Add SHA512/224 and SHA512/256; Add missing HMAC-BLAKE2s and HMAC-BLAKE2b. * src/cipher.h (_gcry_digest_spec_sha512_224) (_gcry_digest_spec_sha512_256): New. * src/gcrypt.h.in (GCRY_MD_SHA512_256, GCRY_MD_SHA512_224): New. (GCRY_MAC_HMAC_SHA512_256, GCRY_MAC_HMAC_SHA512_224): New. * tests/basic.c (check_digests): Add SHA512/224 and SHA512/256 test vectors. -- This change adds truncated SHA512/224 and SHA512/256 algorithms specified in FIPS 180-4. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* doc: add mention about aligning data to cachelines for best performanceJussi Kivilinna2019-03-241-0/+6
| | | | | | | | | * doc/gcrypt.text: Add mention about aligning data to cachelines for best performance. -- GnuPG-bug-id: 2388 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* doc/gcrypt.texi: update HW feature listJussi Kivilinna2019-03-231-0/+7
| | | | | | | * doc/gcrypt.texi: Update FW feature list. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* doc: Fix library initialization examplesAndreas Metzler2018-11-191-6/+10
| | | | Signed-off-by: Andreas Metzler <ametzler@bebt.de>
* doc: Update yat2m.c from upstream (libgpg-error)Werner Koch2018-10-241-12/+30
| | | | | | | -- GnuPG-bug-id: 4102 Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Fix example for gcry_sexp_extract_paramWerner Koch2018-10-231-4/+5
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* RFC-8439 was published.NIIBE Yutaka2018-07-041-1/+1
| | | | | | * cipher/cipher-poly1305.c: Update RFC reference. Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* doc: Clarify the value range of the use-rsa-e parameter.Werner Koch2018-03-221-1/+3
| | | | | | -- Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: fix double "See" in front of referenceJussi Kivilinna2018-01-201-6/+6
| | | | | | | | | | | * doc/gcrypt.texi: Change @xref to @ref when text already has 'see' in the front. -- @xref references start with `See ...'. Use @ref instead when text already has 'see' in front. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* Add EAX modeJussi Kivilinna2018-01-201-6/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/Makefile.am: Add 'cipher-eax.c'. * cipher/cipher-cmac.c (cmac_write): Rename to ... (_gcry_cmac_write): ... this; Take CMAC context as new input parameter; Return error code. (cmac_generate_subkeys): Rename to ... (_gcry_cmac_generate_subkeys): ... this; Take CMAC context as new input parameter; Return error code. (cmac_final): Rename to ... (_gcry_cmac_final): ... this; Take CMAC context as new input parameter; Return error code. (cmac_tag): Take CMAC context as new input parameter. (_gcry_cmac_reset): New. (_gcry_cipher_cmac_authenticate): Remove duplicate tag flag check; Adapt to changes above. (_gcry_cipher_cmac_get_tag): Adapt to changes above. (_gcry_cipher_cmac_check_tag): Ditto. (_gcry_cipher_cmac_set_subkeys): Ditto. * cipher-eax.c: New. * cipher-internal.h (gcry_cmac_context_t): New. (gcry_cipher_handle): Update u_mode.cmac; Add u_mode.eax. (_gcry_cmac_write, _gcry_cmac_generate_subkeys, _gcry_cmac_final) (_gcry_cmac_reset, _gcry_cipher_eax_encrypt, _gcry_cipher_eax_decrypt) (_gcry_cipher_eax_set_nonce, _gcry_cipher_eax_authenticate) (_gcry_cipher_eax_get_tag, _gcry_cipher_eax_check_tag) (_gcry_cipher_eax_setkey): New prototypes. * cipher/cipher.c (_gcry_cipher_open_internal, cipher_setkey) (cipher_reset, cipher_encrypt, cipher_decrypt, _gcry_cipher_setiv) (_gcry_cipher_authenticate, _gcry_cipher_gettag, _gcry_cipher_checktag) (_gcry_cipher_info): Add EAX mode. * doc/gcrypt.texi: Add EAX mode. * src/gcrypt.h.in (GCRY_CIPHER_MODE_EAX): New. * tests/basic.c (_check_gcm_cipher, _check_poly1305_cipher): Constify test vectors array. (_check_eax_cipher, check_eax_cipher): New. (check_ciphers, check_cipher_modes): Add EAX mode. * tests/bench-slope.c (bench_eax_encrypt_do_bench) (bench_eax_decrypt_do_bench, bench_eax_authenticate_do_bench) (eax_encrypt_ops, eax_decrypt_ops, eax_authenticate_ops): New. (cipher_modes): Add EAX mode. * tests/benchmark.c (cipher_bench): Add EAX mode. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* api: Add GCRYCTL_AUTO_EXPAND_SECMEM.Werner Koch2017-11-241-3/+14
| | | | | | | | | | | | * src/gcrypt.h.in (GCRYCTL_AUTO_EXPAND_SECMEM): New enum. * src/global.c (_gcry_vcontrol): Implement that. * src/secmem.c (auto_expand): New var. (_gcry_secmem_set_auto_expand): New. (_gcry_secmem_malloc_internal): Act upon AUTO_EXPAND. -- GnuPG-bug-id: 3530 Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Clarify gcry_mpi_divWerner Koch2017-11-151-1/+3
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* api: New function gcry_mpi_get_ui.Werner Koch2017-10-171-1/+13
| | | | | | | | | | | | | | | | | | | * src/gcrypt.h.in (gcry_mpi_get_ui): New. (mpi_get_ui): New macro. * src/libgcrypt.def, src/libgcrypt.vers: Add new function. * src/visibility.c (gcry_mpi_get_ui): New. * src/visibility.h: Mark that function. (gcry_mpi_get_ui): New. * mpi/mpiutil.c (MY_UINT_MAX): New macro. (_gcry_mpi_get_ui): Re-implemented. This function existed but was never imported or used. * tests/mpitests.c (test_maxsize): Add some test for this function. -- Note that in libgcrypt.def the cardinal 91 is used which was never used in the past. Signed-off-by: Werner Koch <wk@gnupg.org>
* Release 1.8.0libgcrypt-1.8.0Werner Koch2017-07-181-1/+1
| | | | Signed-off-by: Werner Koch <wk@gnupg.org>
* api: New function gcry_mpi_point_copy.Werner Koch2017-07-181-0/+7
| | | | | | | | | | | * src/gcrypt.h.in (gcry_mpi_point_copy): New. (mpi_point_copy): New macro. * src/visibility.c (gcry_mpi_point_copy): New. * src/libgcrypt.def, src/libgcrypt.vers: Add function. * mpi/ec.c (_gcry_mpi_point_copy): New. * tests/t-mpi-point.c (set_get_point): Add test. Signed-off-by: Werner Koch <wk@gnupg.org>
* api: New function gcry_get_config.Werner Koch2017-06-211-1/+24
| | | | | | | | | | | | | | | | | | * src/misc.c (_gcry_log_info_with_dummy_fp): Remove. * src/global.c (print_config): New arg WHAT. Remove arg FNC and use gpgrt_fprintf directly. (_gcry_get_config): New. (_gcry_vcontrol) <GCRYCTL_PRINT_CONFIG>: Use _gcry_get_config instead of print_config. * src/gcrypt.h.in (gcry_get_config): New. * src/libgcrypt.def, src/libgcrypt.vers: Add new function. * src/visibility.c (gcry_get_config): New. * src/visibility.h: Mark new function. * tests/version.c (test_get_config): New. (main): Call new test. Signed-off-by: Werner Koch <wk@gnupg.org>
* New global config option "only-urandom".Werner Koch2017-06-161-2/+17
| | | | | | | | | | | * random/rand-internal.h (RANDOM_CONF_ONLY_URANDOM): New. * random/random.c (_gcry_random_read_conf): Add option "only-urandom". * random/rndlinux.c (_gcry_rndlinux_gather_random): Implement that option. * tests/keygen.c (main): Add option --no-quick for better manual tests. Signed-off-by: Werner Koch <wk@gnupg.org>
* Implement global config file /etc/gcrypt/random.confWerner Koch2017-06-161-0/+15
| | | | | | | | | | | | | | | * src/hwfeatures.c (my_isascii): Move macro to ... * src/g10lib.h: here. * tests/random.c (main): Dump random stats. * random/random.c (RANDOM_CONF_FILE): New. (_gcry_random_read_conf): New. (_gcry_random_dump_stats): Call rndjent stats. * random/rndjent.c (jent_rng_totalcalls, jent_rng_totalbytes): New. (_gcry_rndjent_poll): Take care of config option disable-jent. Wipe buffer. Bump counters. (_gcry_rndjent_dump_stats): New. Signed-off-by: Werner Koch <wk@gnupg.org>
* New hardware feature flag HWF_INTEL_RDTSC.Werner Koch2017-06-141-0/+1
| | | | | | | | * src/g10lib.h (HWF_INTEL_RDTSC): New. * src/hwfeatures.c (hwflist): Add "intel-rdtsc". * src/hwf-x86.c (detect_x86_gnuc): Get EDX features and test for TSC. Signed-off-by: Werner Koch <wk@gnupg.org>
* Spelling fixes in docs and comments.NIIBE Yutaka2017-04-281-3/+3
| | | | | | | | -- GnuPG-bug-id: 3120 Reported-by: ka7 (klemens) Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* Add BLAKE2b and BLAKE2s hash algorithms (RFC 7693)Jussi Kivilinna2017-02-271-3/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | * cipher/blake2.c: New. * cipher/Makefile.am: Add 'blake2.c'. * cipher/md.c (digest_list, prepare_macpads): Add BLAKE2. (md_setkey): New. (_gcry_md_setkey): Call 'md_setkey' for non-HMAC md. * configure.ac: Add BLAKE2 digest. * doc/gcrypt.texi: Add BLAKE2. * src/cipher.h (_gcry_blake2_init_with_key) (_gcry_digest_spec_blake2b_512, _gcry_digest_spec_blake2b_384) (_gcry_digest_spec_blake2b_256, _gcry_digest_spec_blake2b_160) (_gcry_digest_spec_blake2s_256, _gcry_digest_spec_blake2s_224) (_gcry_digest_spec_blake2s_160, _gcry_digest_spec_blake2s_128): New. * src/gcrypt.h.in (GCRY_MD_BLAKE2B_512, GCRY_MD_BLAKE2B_384) (GCRY_MD_BLAKE2B_256, GCRY_MD_BLAKE2B_160, GCRY_MD_BLAKE2S_256) (GCRY_MD_BLAKE2S_224, GCRY_MD_BLAKE2S_160, GCRY_MD_BLAKE2S_128): New. * tests/basic.c (check_one_md): Add testing for keyed hashes. (check_digests): Add BLAKE2 test vectors; Add testing for keyed hashes. * tests/blake2b.h: New. * tests/blake2s.h: New. * tests/Makefile.am: Add 'blake2b.h' and 'blake2s.h'. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* w32: New envvar GCRYPT_RNDW32_DBG.Werner Koch2017-01-271-0/+7
| | | | | | | * random/rndw32.c (_gcry_rndw32_gather_random): Use getenv to set DEBUG_ME. Signed-off-by: Werner Koch <wk@gnupg.org>
* Add XTS cipher modeJussi Kivilinna2017-01-061-3/+20
| | | | | | | | | | | | | | | | | | | | | | | | * cipher/Makefile.am: Add 'cipher-xts.c'. * cipher/cipher-internal.h (gcry_cipher_handle): Add 'bulk.xts_crypt' and 'u_mode.xts' members. (_gcry_cipher_xts_crypt): New prototype. * cipher/cipher-xts.c: New. * cipher/cipher.c (_gcry_cipher_open_internal, cipher_setkey) (cipher_reset, cipher_encrypt, cipher_decrypt): Add XTS mode handling. * doc/gcrypt.texi: Add XTS mode to documentation. * src/gcrypt.h.in (GCRY_CIPHER_MODE_XTS, GCRY_XTS_BLOCK_LEN): New. * tests/basic.c (do_check_xts_cipher, check_xts_cipher): New. (check_bulk_cipher_modes): Add XTS test-vectors. (check_one_cipher_core, check_one_cipher, check_ciphers): Add XTS testing support. (check_cipher_modes): Add XTS test. * tests/bench-slope.c (bench_xts_encrypt_init) (bench_xts_encrypt_do_bench, bench_xts_decrypt_do_bench) (xts_encrypt_ops, xts_decrypt_ops): New. (cipher_modes, cipher_bench_one): Add XTS. * tests/benchmark.c (cipher_bench): Add XTS testing. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
* tests: Add option --disable-hwf to the version utility.Werner Koch2017-01-031-4/+8
| | | | | | | | | * src/hwfeatures.c (_gcry_disable_hw_feature): Rewrite to allow passing a colon delimited feature set. (parse_hwf_deny_file): Remove unused var I. * tests/version.c (main): Add options --verbose and --disable-hwf. Signed-off-by: Werner Koch <wk@gnupg.org>
* Document the overflow pools and add a stupid test case.Werner Koch2016-12-071-3/+9
| | | | | | | * tests/t-secmem.c (test_secmem_overflow): New func. (main): Disable warning and call new function. Signed-off-by: Werner Koch <wk@gnupg.org>
* Put blocking calls into Libgpg-error's system call clamp.Werner Koch2016-11-121-0/+15
| | | | | | | | | | | | | | | * src/gcrypt.h.in (GCRYCTL_REINIT_SYSCALL_CLAMP): New. * configure.ac: Require Libgpg-error 1.25. Set version number to 1.8.0. * src/gcrypt-int.h: Remove error code emulation. * src/global.c (pre_syscall_func, post_syscall_func): New. (global_init): Call gpgrt_get_syscall_clamp. (_gcry_vcontrol) <GCRYCTL_REINIT_SYSCALL_CLAMP>: Ditto. (_gcry_pre_syscall, _gcry_post_syscall): New. * random/rndlinux.c (_gcry_rndlinux_gather_random): Use the new functions. Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Update yat2m.Werner Koch2016-06-251-8/+56
| | | | | | | | | | * doc/yat2m.c: Update from Libgpg-error -- Taken from Libgpg-error commit 9b5e3d1608922f4aaf9958e022431849d5a58501 Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Describe envvars.Werner Koch2016-06-151-2/+81
| | | | | | * doc/gcrypt.texi: Add chapter Configuration. Signed-off-by: Werner Koch <wk@gnupg.org>
* cipher: Add constant for 8 bit CFB mode.Werner Koch2016-04-141-2/+5
| | | | | | | | | | | * src/gcrypt.h.in (GCRY_CIPHER_MODE_CFB8): New. * tests/basic.c (check_cfb_cipher): Prepare for CFB-8 tests. -- Note that there is no implementation for the 8 bit CFB mode yet. We will add that as a bug fix after the release of 1.7.0. Signed-off-by: Werner Koch <wk@gnupg.org>
* cipher: Buffer data from gcry_cipher_authenticate in OCB mode.Werner Koch2016-04-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | * cipher/cipher-internal.h (gcry_cipher_handle): Add fields aad_leftover and aad_nleftover to u_mode.ocb. * cipher/cipher-ocb.c (_gcry_cipher_ocb_set_nonce): Clear aad_nleftover. (_gcry_cipher_ocb_authenticate): Add buffering and facor some code out to ... (ocb_aad_finalize): new. (compute_tag_if_needed): Call new function. * tests/basic.c (check_ocb_cipher_splitaad): New. (check_ocb_cipher): Call new function. (main): Also call check_cipher_modes with --ciper-modes. -- It is more convenient to not require full blocks for gcry_cipher_authenticate. Other modes than OCB do this as well. Note that the size of the context structure is not increased because other modes require more context data. Signed-off-by: Werner Koch <wk@gnupg.org>
* mpi: Explicitly limit the allowed input length for gcry_mpi_scan.Werner Koch2016-04-011-1/+3
| | | | | | | | | | | | | | | | | | | * mpi/mpicoder.c (MAX_EXTERN_SCAN_BYTES): New. (mpi_fromstr): Check against this limit. (_gcry_mpi_scan): Ditto. * tests/mpitests.c (test_maxsize): New. (main): Cal that test. -- A too large buffer length may lead to an unsigned integer overflow on systems where size_t > unsigned int (ie. 64 bit systems). The computation of the required number of nlimbs may also be affected by this. However this is not a real world case because any processing which has allocated such a long buffer from an external source would be prone to other DoS attacks: The required buffer length to exhibit this overflow is at least 2^32 - 8 bytes. Signed-off-by: Werner Koch <wk@gnupg.org>
* random: Replace RMD160 by SHA-1 for mixing the CSPRNG pool.Werner Koch2016-03-311-1/+1
| | | | | | | | | * cipher/sha1.c (_gcry_sha1_mixblock_init): New. (_gcry_sha1_mixblock): New. * random/random-csprng.c: Include sha1.h instead of rmd.h. (mix_pool): Use SHA-1 instead of RIPE-MD-160 for mixing. Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Update for gcry_cipher_gettag and gcry_cipher_checktag.Werner Koch2016-03-291-2/+14
| | | | | | | | -- Also re-indent one label. Signed-off-by: Werner Koch <wk@gnupg.org>
* Add new control GCRYCTL_GET_TAGLEN for use with gcry_cipher_info.Werner Koch2016-03-231-2/+14
| | | | | | | | | | | | | | * src/gcrypt.h.in (GCRYCTL_GET_TAGLEN): New. * cipher/cipher.c (_gcry_cipher_info): Add GCRYCTL_GET_TAGLEN feature. * tests/basic.c (_check_gcm_cipher): Check that new feature. (_check_poly1305_cipher): Ditto. (check_ccm_cipher): Ditto. (do_check_ocb_cipher): Ditto. (check_ctr_cipher): Add negative test for new feature. -- Signed-off-by: Werner Koch <wk@gnupg.org>
* Update documentation for 'gcry_sexp_extract_param'.Justus Winter2016-03-161-4/+9
| | | | | | | | | | | * doc/gcrypt.texi (gcry_sexp_extract_param): Mention that all MIPs must be set to NULL first, and document how the function behaves in case of errors. * src/sexp.c (_gcry_sexp_extract_param): Likewise. * src/gcrypt.h.in (gcry_sexp_extract_param): Copy the comment from '_gcry_sexp_extract_param'. Signed-off-by: Justus Winter <justus@g10code.com>
* doc: Fix possible dependency problem.Werner Koch2016-02-201-1/+1
| | | | | | * doc/Makefile.am (gcrypt.texi): Use the right traget. Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Fix typos in gcry_mpi_ec_new.Werner Koch2016-01-281-1/+1
| | | | | | | -- Reported-by: Hanno Böck <hanno@hboeck.de> Signed-off-by: Werner Koch <wk@gnupg.org>
* ecc: New API function gcry_mpi_ec_decode_point.Werner Koch2016-01-281-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * mpi/ec.c (_gcry_mpi_ec_decode_point): New. * cipher/ecc-common.h: Move two prototypes to ... * src/ec-context.h: here. * src/gcrypt.h.in (gcry_mpi_ec_decode_point): New. * src/libgcrypt.def (gcry_mpi_ec_decode_point): New. * src/libgcrypt.vers (gcry_mpi_ec_decode_point): New. * src/visibility.c (gcry_mpi_ec_decode_point): New. * src/visibility.h: Add new function. -- This new function make the use of the gcry_mpi_ec_curve_point function possible in many contexts. Here is a code snippet which could be used in gpg to check a point: static gpg_error_t check_point (PKT_public_key *pk, gcry_mpi_t m_point) { gpg_error_t err; char *curve; gcry_ctx_t gctx = NULL; gcry_mpi_point_t point = NULL; /* Get the curve name from the first OpenPGP key parameter. */ curve = openpgp_oid_to_str (pk->pkey[0]); if (!curve) { err = gpg_error_from_syserror (); goto leave; } point = gcry_mpi_point_new (0); if (!point) { err = gpg_error_from_syserror (); goto leave; } err = gcry_mpi_ec_new (&gctx, NULL, curve); if (err) goto leave; err = gcry_mpi_ec_decode_point (point, m_point, gctx); if (err) goto leave; if (!gcry_mpi_ec_curve_point (point, gctx)) err = gpg_error (GPG_ERR_BAD_DATA); leave: gcry_ctx_release (gctx); gcry_mpi_point_release (point); xfree (curve); return err; } Signed-off-by: Werner Koch <wk@gnupg.org>
* doc: Typo fix and .gitignore addition.Werner Koch2015-12-271-1/+1
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* doc: Fix typo.Justus Winter2015-12-071-1/+1
| | | | | -- Signed-off-by: Justus Winter <justus@g10code.com>
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