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libgcrypt-1.9.2
NEWS
1 440 строк
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Werner Koch
Release 1.9.2
17 фев 2021, 11:13
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17 фев 2021, 11:13
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Noteworthy changes in version 1.9.2 (2021-02-17) [C23/A3/R2] ------------------------------------------------ * Bug fixes: - Fix build problem for macOS in the random code. [#5268] - Fix building with --disable-asm on x86. [#5277] - Check public key for ECDSA verify operation. [#5282] - Make sure gcry_get_config (NULL) returns a nul-terminated string. [8716e4b2ad] - Fix a memory leak in the ECDH code. [289543544e] - Fix a reading beyond end of input buffer in SHA2-avx2. [24af2a55d8] * Other features: - New test driver to allow for standalone regression tests. [b142da4c88] Release-info: https://dev.gnupg.org/T5276 Noteworthy changes in version 1.9.1 (2021-01-29) [C23/A3/R1] ------------------------------------------------ * Bug fixes: - Fix exploitable bug in hash functions introduced with 1.9.0. [#5275] - Return an error if a negative MPI is used with sexp scan functions. [#4964] - Check for operational FIPS in the random and KDF functions. [#5243] - Fix compile error on ARMv7 with NEON disabled. [#5251] - Fix self-test in KDF module. [#5254] - Improve assembler checks for better LTO support. [#5255] - Fix assember problem on macOS running on M1. [#5157] - Support older macOS without posix_spawn. [#5159] - Fix 32-bit cross build on x86. [#5257] - Fix non-NEON ARM assembly implementation for SHA512. [#5263] - Fix build problems with the cipher_bulk_ops_t typedef. [#5264] - Fix Ed25519 private key handling for preceding ZEROs. [#5267] - Fix overflow in modular inverse implementation. [#5269] - Fix register access for AVX/AVX2 implementations of Blake2. [#5271]. * Performance: - Add optimized cipher and hash functions for s390x/zSeries. - Use hardware bit counting functions when available. * Internal changes: - The macOS getentropy syscall is used when available. [#5268] - Update DSA functions to match FIPS 186-3. [30ed9593f6] - New self-tests for CMACs and KDFs. [385a89e35b,7a0da24925] - Add bulk cipher functions for OFB and GCM modes. [f12b6788f2,f4e63e92dc] Release-info: https://dev.gnupg.org/T5259 Noteworthy changes in version 1.9.0 (2021-01-19) [C23/A3/R0] ------------------------------------------------ * New and extended interfaces: - New curves Ed448, X448, and SM2. - New cipher mode EAX. - New cipher algo SM4. - New hash algo SM3. - New hash algo variants SHA512/224 and SHA512/256. - New MAC algos for Blake-2 algorithms, the new SHA512 variants, SM3, SM4 and for a GOST variant. - New convenience function gcry_mpi_get_ui. - gcry_sexp_extract_param understands new format specifiers to directly store to integers and strings. - New function gcry_ecc_mul_point and curve constants for Curve448 and Curve25519. [#4293] - New function gcry_ecc_get_algo_keylen. - New control code GCRYCTL_AUTO_EXPAND_SECMEM to allow growing the secure memory area. Also in 1.8.2 as an undocumented feature. * Performance: - Optimized implementations for Aarch64. - Faster implementations for Poly1305 and ChaCha. Also for PowerPC. [b9a471ccf5,172ad09cbe,#4460] - Optimized implementations of AES and SHA-256 on PowerPC. [#4529,#4530] - Improved use of AES-NI to speed up AES-XTS (6 times faster). [a00c5b2988] - Improved use of AES-NI for OCB. [eacbd59b13,e924ce456d] - Speedup AES-XTS on ARMv8/CE (2.5 times faster). [93503c127a] - New AVX and AVX2 implementations for Blake-2 (1.3/1.4 times faster). [af7fc732f9, da58a62ac1] - Use Intel SHA extension for SHA-1 and SHA-256 (4.0/3.7 times faster). [d02958bd30, 0b3ec359e2] - Use ARMv7/NEON accelerated GCM implementation (3 times faster). [2445cf7431] - Use of i386/SSSE3 for SHA-512 (4.5 times faster on Ryzen 7). [b52dde8609] - Use 64 bit ARMv8/CE PMULL for CRC (7 times faster). [14c8a593ed] - Improve CAST5 (40% to 70% faster). [4ec566b368] - Improve Blowfish (60% to 80% faster). [ced7508c85] * Bug fixes: - Fix infinite loop due to applications using fork the wrong way. [#3491][also in 1.8.4] - Fix possible leak of a few bits of secret primes to pageable memory. [#3848][also in 1.8.4] - Fix possible hang in the RNG (1.8.3 only). [#4034][also in 1.8.4] - Several minor fixes. [#4102,#4208,#4209,#4210,#4211,#4212] [also in 1.8.4] - On Linux always make use of getrandom if possible and then use its /dev/urandom behaviour. [#3894][also in 1.8.4] - Use blinding for ECDSA signing to mitigate a novel side-channel attack. [#4011,CVE-2018-0495] [also in 1.8.3, 1.7.10] - Fix incorrect counter overflow handling for GCM when using an IV size other than 96 bit. [#3764] [also in 1.8.3, 1.7.10] - Fix incorrect output of AES-keywrap mode for in-place encryption on some platforms. [also in 1.8.3, 1.7.10] - Fix the gcry_mpi_ec_curve_point point validation function. [also in 1.8.3, 1.7.10] - Fix rare assertion failure in gcry_prime_check. [also in 1.8.3] - Do not use /dev/srandom on OpenBSD. [also in 1.8.2] - Fix test suite failure on systems with large pages. [#3351] [also in 1.8.2] - Fix test suite to not use mmap on Windows. [also in 1.8.2] - Fix fatal out of secure memory status in the s-expression parser on heavy loaded systems. [also in 1.8.2] - Fix build problems on OpenIndiana et al. [#4818, also in 1.8.6] - Fix GCM bug on arm64 which troubles for example OMEMO. [#4986, also in 1.8.6] - Detect a div-by-zero in a debug helper tool. [#4868, also in 1.8.6] - Use a constant time mpi_inv and related changes. [#4869, partly also in 1.8.6] - Fix mpi_copy to correctly handle flags of opaque MPIs. [also in 1.8.6] - Fix mpi_cmp to consider +0 and -0 the same. [also in 1.8.6] - Fix extra entropy collection via clock_gettime. Note that this fallback code path is not used on any decent hardware. [#4966, also in 1.8.7] - Support opaque MPI with gcry_mpi_print. [#4872, also in 1.8.7] - Allow for a Unicode random seed file on Windows. [#5098, also in 1.8.7] * Other features: - Add OIDs from RFC-8410 as aliases for Ed25519 and Curve25519. [also in 1.8.6] - Add mitigation against ECC timing attack CVE-2019-13627. [#4626] - Internal cleanup of the ECC implementation. - Support reading EC point in compressed format for some curves. [#4951] * Interface changes relative to the 1.8.0 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_mpi_get_ui NEW function. GCRYCTL_AUTO_EXPAND_SECMEM NEW control code. gcry_sexp_extract_param EXTENDED. GCRY_CIPHER_GOST28147_MESH NEW cipher algo. GCRY_CIPHER_SM4 NEW cipher algo. GCRY_CIPHER_MODE_EAX NEW mode. GCRY_ECC_CURVE25519 NEW curve id. GCRY_ECC_CURVE448 NEW curve id. gcry_ecc_get_algo_keylen NEW function. gcry_ecc_mul_point NEW function. GCRY_MD_SM3 NEW hash algo. GCRY_MD_SHA512_256 NEW hash algo. GCRY_MD_SHA512_224 NEW hash algo. GCRY_MAC_GOST28147_IMIT NEW mac algo. GCRY_MAC_HMAC_GOSTR3411_CP NEW mac algo. GCRY_MAC_HMAC_BLAKE2B_512 NEW mac algo. GCRY_MAC_HMAC_BLAKE2B_384 NEW mac algo. GCRY_MAC_HMAC_BLAKE2B_256 NEW mac algo. GCRY_MAC_HMAC_BLAKE2B_160 NEW mac algo. GCRY_MAC_HMAC_BLAKE2S_256 NEW mac algo. GCRY_MAC_HMAC_BLAKE2S_224 NEW mac algo. GCRY_MAC_HMAC_BLAKE2S_160 NEW mac algo. GCRY_MAC_HMAC_BLAKE2S_128 NEW mac algo. GCRY_MAC_HMAC_SM3 NEW mac algo. GCRY_MAC_HMAC_SHA512_256 NEW mac algo. GCRY_MAC_HMAC_SHA512_224 NEW mac algo. GCRY_MAC_CMAC_SM4 NEW mac algo. Release-info: https://dev.gnupg.org/T4294 Release dates of 1.8.x versions: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Version 1.8.2 (2017-12-13) Version 1.8.3 (2018-06-13) Version 1.8.4 (2018-10-26) Version 1.8.5 (2019-08-29) Version 1.8.6 (2020-07-06) Version 1.8.7 (2020-10-23) Noteworthy changes in version 1.8.1 (2017-08-27) [C22/A2/R1] ------------------------------------------------ * Bug fixes: - Mitigate a local side-channel attack on Curve25519 dubbed "May the Fourth be With You". [CVE-2017-0379] [also in 1.7.9] - Add more extra bytes to the pool after reading a seed file. - Add the OID SHA384WithECDSA from RFC-7427 to SHA-384. - Fix build problems with the Jitter RNG - Fix assembler code build problems on Rasbian (ARMv8/AArch32-CE). Noteworthy changes in version 1.8.0 (2017-07-18) [C22/A2/R0] ------------------------------------------------ * New interfaces: - New cipher mode XTS - New hash function Blake-2 - New function gcry_mpi_point_copy. - New function gcry_get_config. - GCRYCTL_REINIT_SYSCALL_CLAMP allows to init nPth after Libgcrypt. - New global configuration file /etc/gcrypt/random.conf. * Extended interfaces: - GCRYCTL_PRINT_CONFIG does now also print build information for libgpg-error and the used compiler version. - GCRY_CIPHER_MODE_CFB8 is now supported. - Add Stribog OIDs. [also in 1.7.4] * Performance: - A jitter based entropy collector is now used in addition to the other entropy collectors. - Optimized gcry_md_hash_buffers for SHA-256 and SHA-512. - More ARMv8/AArch32 improvements for AES, GCM, SHA-256, and SHA-1. [also in 1.7.4] - Add ARMv8/AArch32 assembly implementation for Twofish and Camellia. [also in 1.7.4] - Add bulk processing implementation for ARMv8/AArch32. [also in 1.7.4] - Improve the DRBG performance and sync the code with the Linux version. [also in 1.7.4] * Internal changes: - Libgpg-error 1.25 is now required. This avoids stalling of nPth threads due to contention on internal Libgcrypt locks (e.g. the random pool lock). - The system call clamp of libgpg-error is now used to wrap the blocking read of /dev/random. This allows other nPth threads to run while Libgcrypt is gathering entropy. - When secure memory is requested by the MPI functions or by gcry_xmalloc_secure, they do not anymore lead to a fatal error if the secure memory pool is used up. Instead new pools are allocated as needed. These new pools are not protected against being swapped out (mlock can't be used). However, these days this is considered a minor issue and can easily be mitigated by using encrypted swap space. [also in 1.7.4] * Bug fixes: - Fix AES CTR self-check detected failure in the SSSE3 based implementation. [also in 1.7.6] - Remove gratuitous select before the getrandom syscall. [also in 1.7.6] - Fix regression in mlock detection. [bug#2870] [also in 1.7.5] - Fix GOST 28147 CryptoPro-B S-box. [also in 1.7.4] - Fix error code handling of mlock calls. [also in 1.7.4] - Fix possible timing attack on EdDSA session key. [also in 1.7.7] - Fix long standing bug in secure memory implementation which could lead to a segv on free. [bug#3027] [also in 1.7.7] - Mitigate a flush+reload side-channel attack on RSA secret keys dubbed "Sliding right into disaster". For details see <https://eprint.iacr.org/2017/627>. [CVE-2017-7526] [also in 1.7.8] * Interface changes relative to the 1.7.0 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_get_config NEW function. gcry_mpi_point_copy NEW function. GCRYCTL_REINIT_SYSCALL_CLAMP NEW macro. GCRY_MD_BLAKE2B_512 NEW constant. GCRY_MD_BLAKE2B_384 NEW constant. GCRY_MD_BLAKE2B_256 NEW constant. GCRY_MD_BLAKE2B_160 NEW constant. GCRY_MD_BLAKE2S_256 NEW constant. GCRY_MD_BLAKE2S_224 NEW constant. GCRY_MD_BLAKE2S_160 NEW constant. GCRY_MD_BLAKE2S_128 NEW constant. GCRY_CIPHER_MODE_XTS NEW constant. gcry_md_info DEPRECATED. * Release dates of 1.7.x versions: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Version 1.7.10 (2018-06-13) [C21/A1/R10] Version 1.7.9 (2017-08-27) [C21/A1/R9] Version 1.7.8 (2017-06-29) [C21/A1/R8] Version 1.7.7 (2017-06-02) [C21/A1/R7] Version 1.7.6 (2017-01-18) [C21/A1/R6] Version 1.7.5 (2016-12-15) [C21/A1/R5] Version 1.7.4 (2016-12-09) [C21/A1/R4] Noteworthy changes in version 1.7.3 (2016-08-17) [C21/A1/R3] ------------------------------------------------ * Bug fixes: - Fix critical security bug in the RNG [CVE-2016-6313]. An attacker who obtains 580 bytes from the standard RNG can trivially predict the next 20 bytes of output. Problem detected by Felix Dörre and Vladimir Klebanov, KIT. - Fix building of some asm modules with older compilers and CPUs. * Performance: - ARMv8/AArch32 improvements for AES, GCM, SHA-256, and SHA-1. Noteworthy changes in version 1.7.2 (2016-07-14) [C21/A1/R2] ------------------------------------------------ * Bug fixes: - Fix setting of the ECC cofactor if parameters are specified. - Fix memory leak in the ECC code. - Remove debug message about unsupported getrandom syscall. - Fix build problems related to AVX use. - Fix bus errors on ARM for Poly1305, ChaCha20, AES, and SHA-512. * Internal changes: - Improved fatal error message for wrong use of gcry_md_read. - Disallow symmetric encryption/decryption if key is not set. Noteworthy changes in version 1.7.1 (2016-06-15) [C21/A1/R1] ------------------------------------------------ * Bug fixes: - Fix ecc_verify for cofactor support. - Fix portability bug when using gcc with Solaris 9 SPARC. - Build fix for OpenBSD/amd64 - Add OIDs to the Serpent ciphers. * Internal changes: - Use getrandom system call on Linux if available. - Blinding is now also used for RSA signature creation. - Changed names of debug envvars Noteworthy changes in version 1.7.0 (2016-04-15) [C21/A1/R0] ------------------------------------------------ * New algorithms and modes: - SHA3-224, SHA3-256, SHA3-384, SHA3-512, and MD2 hash algorithms. - SHAKE128 and SHAKE256 extendable-output hash algorithms. - ChaCha20 stream cipher. - Poly1305 message authentication algorithm - ChaCha20-Poly1305 Authenticated Encryption with Associated Data mode. - OCB mode. - HMAC-MD2 for use by legacy applications. * New curves for ECC: - Curve25519. - sec256k1. - GOST R 34.10-2001 and GOST R 34.10-2012. * Performance: - Improved performance of KDF functions. - Assembler optimized implementations of Blowfish and Serpent on ARM. - Assembler optimized implementation of 3DES on x86. - Improved AES using the SSSE3 based vector permutation method by Mike Hamburg. - AVX/BMI is used for SHA-1 and SHA-256 on x86. This is for SHA-1 about 20% faster than SSSE3 and more than 100% faster than the generic C implementation. - 40% speedup for SHA-512 and 72% for SHA-1 on ARM Cortex-A8. - 60-90% speedup for Whirlpool on x86. - 300% speedup for RIPE MD-160. - Up to 11 times speedup for CRC functions on x86. * Other features: - Improved ECDSA and FIPS 186-4 compliance. - Support for Montgomery curves. - gcry_cipher_set_sbox to tweak S-boxes of the gost28147 cipher algorithm. - gcry_mpi_ec_sub to subtract two points on a curve. - gcry_mpi_ec_decode_point to decode an MPI into a point object. - Emulation for broken Whirlpool code prior to 1.6.0. [from 1.6.1] - Flag "pkcs1-raw" to enable PCKS#1 padding with a user supplied hash part. - Parameter "saltlen" to set a non-default salt length for RSA PSS. - A SP800-90A conforming DRNG replaces the former X9.31 alternative random number generator. - Map deprecated RSA algo number to the RSA algo number for better backward compatibility. [from 1.6.2] - Use ciphertext blinding for Elgamal decryption [CVE-2014-3591]. See http://www.cs.tau.ac.il/~tromer/radioexp/ for details. [from 1.6.3] - Fixed data-dependent timing variations in modular exponentiation [related to CVE-2015-0837, Last-Level Cache Side-Channel Attacks are Practical]. [from 1.6.3] - Flag "no-keytest" for ECC key generation. Due to a bug in the parser that flag will also be accepted but ignored by older version of Libgcrypt. [from 1.6.4] - Speed up the random number generator by requiring less extra seeding. [from 1.6.4] - Always verify a created RSA signature to avoid private key leaks due to hardware failures. [from 1.6.4] - Mitigate side-channel attack on ECDH with Weierstrass curves [CVE-2015-7511]. See http://www.cs.tau.ac.IL/~tromer/ecdh/ for details. [from 1.6.5] * Internal changes: - Moved locking out to libgpg-error. - Support of the SYSROOT envvar in the build system. - Refactor some code. - The availability of a 64 bit integer type is now mandatory. * Bug fixes: - Fixed message digest lookup by OID (regression in 1.6.0). - Fixed a build problem on NetBSD - Fixed memory leaks in ECC code. - Fixed some asm build problems and feature detection bugs. * Interface changes relative to the 1.6.0 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_cipher_final NEW macro. GCRY_CIPHER_MODE_CFB8 NEW constant. GCRY_CIPHER_MODE_OCB NEW. GCRY_CIPHER_MODE_POLY1305 NEW. gcry_cipher_set_sbox NEW macro. gcry_mac_get_algo NEW. GCRY_MAC_HMAC_MD2 NEW. GCRY_MAC_HMAC_SHA3_224 NEW. GCRY_MAC_HMAC_SHA3_256 NEW. GCRY_MAC_HMAC_SHA3_384 NEW. GCRY_MAC_HMAC_SHA3_512 NEW. GCRY_MAC_POLY1305 NEW. GCRY_MAC_POLY1305_AES NEW. GCRY_MAC_POLY1305_CAMELLIA NEW. GCRY_MAC_POLY1305_SEED NEW. GCRY_MAC_POLY1305_SERPENT NEW. GCRY_MAC_POLY1305_TWOFISH NEW. gcry_md_extract NEW. GCRY_MD_FLAG_BUGEMU1 NEW [from 1.6.1]. GCRY_MD_GOSTR3411_CP NEW. GCRY_MD_SHA3_224 NEW. GCRY_MD_SHA3_256 NEW. GCRY_MD_SHA3_384 NEW. GCRY_MD_SHA3_512 NEW. GCRY_MD_SHAKE128 NEW. GCRY_MD_SHAKE256 NEW. gcry_mpi_ec_decode_point NEW. gcry_mpi_ec_sub NEW. GCRY_PK_EDDSA NEW constant. GCRYCTL_GET_TAGLEN NEW. GCRYCTL_SET_SBOX NEW. GCRYCTL_SET_TAGLEN NEW. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Version 1.6.5 (2016-02-09) [C20/A0/R5] Version 1.6.4 (2015-09-08) [C20/A0/R4] Version 1.6.3 (2015-02-27) [C20/A0/R3] Version 1.6.2 (2014-08-21) [C20/A0/R2] Version 1.6.1 (2014-01-29) [C20/A0/R1] Noteworthy changes in version 1.6.0 (2013-12-16) [C20/A0/R0] ------------------------------------------------ * Removed the long deprecated gcry_ac interface. Thus Libgcrypt is not anymore ABI compatible to previous versions if they used the ac interface. * Removed the module register subsystem. * The deprecated message digest debug macros have been removed. Use gcry_md_debug instead. * Removed deprecated control codes. * Improved performance of most cipher algorithms as well as for the SHA family of hash functions. * Added support for the IDEA cipher algorithm. * Added support for the Salsa20 and reduced Salsa20/12 stream ciphers. * Added limited support for the GOST 28147-89 cipher algorithm. * Added support for the GOST R 34.11-94 and R 34.11-2012 (Stribog) hash algorithms. * Added a random number generator to directly use the system's RNG. Also added an interface to prefer the use of a specified RNG. * Added support for the SCRYPT algorithm. * Mitigated the Yarom/Falkner flush+reload side-channel attack on RSA secret keys. See <http://eprint.iacr.org/2013/448> [CVE-2013-4242]. * Added support for Deterministic DSA as per RFC-6979. * Added support for curve Ed25519. * Added a scatter gather hash convenience function. * Added several MPI amd SEXP helper functions. * Added support for negative numbers to gcry_mpi_print, gcry_mpi_aprint and gcry_mpi_scan. * The algorithm ids GCRY_PK_ECDSA and GCRY_PK_ECDH are now deprecated. Use GCRY_PK_ECC if you need an algorithm id. * Changed gcry_pk_genkey for "ecc" to only include the curve name and not the parameters. The flag "param" may be used to revert this. * Added a feature to globally disable selected hardware features. * Added debug helper functions. * Interface changes relative to the 1.5.0 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_ac_* REMOVED. GCRY_AC_* REMOVED. gcry_module_t REMOVED. gcry_cipher_register REMOVED. gcry_cipher_unregister REMOVED. gcry_cipher_list REMOVED. gcry_pk_register REMOVED. gcry_pk_unregister REMOVED. gcry_pk_list REMOVED. gcry_md_register REMOVED. gcry_md_unregister REMOVED. gcry_md_list REMOVED. gcry_md_start_debug REMOVED (macro). gcry_md_stop_debug REMOVED (macro). GCRYCTL_SET_KEY REMOVED. GCRYCTL_SET_IV REMOVED. GCRYCTL_SET_CTR REMOVED. GCRYCTL_DISABLE_ALGO CHANGED: Not anymore thread-safe. gcry_pk_genkey CHANGED: ECC curve params not returned. gcry_md_hash_buffers NEW. gcry_buffer_t NEW. GCRYCTL_SET_ENFORCED_FIPS_FLAG NEW. GCRYCTL_SET_PREFERRED_RNG_TYPE NEW. GCRYCTL_GET_CURRENT_RNG_TYPE NEW. GCRYCTL_CLOSE_RANDOM_DEVICE NEW. GCRY_RNG_TYPE_STANDARD NEW. GCRY_RNG_TYPE_FIPS NEW. GCRY_RNG_TYPE_SYSTEM NEW. gcry_mpi_is_neg NEW. gcry_mpi_neg NEW. gcry_mpi_abs NEW. gcry_mpi_snatch NEW. gcry_mpi_set_opaque_copy NEW. gcry_mpi_point_t NEW. gcry_mpi_point_new NEW. gcry_mpi_point_release NEW. gcry_mpi_point_get NEW. gcry_mpi_point_snatch_get NEW. gcry_mpi_point_set NEW. gcry_mpi_point_snatch_set NEW. gcry_ctx_t NEW. gcry_ctx_release NEW. gcry_mpi_ec_new NEW. gcry_mpi_ec_get_mpi NEW. gcry_mpi_ec_get_point NEW. gcry_mpi_ec_set_mpi NEW. gcry_mpi_ec_set_point NEW. gcry_mpi_ec_get_affine NEW. gcry_mpi_ec_dup NEW. gcry_mpi_ec_add NEW. gcry_mpi_ec_mul NEW. gcry_mpi_ec_curve_point NEW. GCRYMPI_FLAG_IMMUTABLE NEW. GCRYMPI_FLAG_CONST NEW. GCRYMPI_FLAG_USER1 NEW. GCRYMPI_FLAG_USER2 NEW. GCRYMPI_FLAG_USER3 NEW. GCRYMPI_FLAG_USER4 NEW. GCRYMPI_CONST_ONE NEW. GCRYMPI_CONST_TWO NEW. GCRYMPI_CONST_THREE NEW. GCRYMPI_CONST_FOUR NEW. GCRYMPI_CONST_EIGHT NEW. GCRYMPI_FMT_OPAQUE NEW. GCRYPT_VERSION_NUMBER NEW. GCRY_KDF_SCRYPT NEW. gcry_pubkey_get_sexp NEW. GCRYCTL_DISABLE_LOCKED_SECMEM NEW. GCRYCTL_DISABLE_PRIV_DROP NEW. GCRY_CIPHER_SALSA20 NEW. gcry_sexp_nth_buffer NEW. gcry_sexp_extract_param NEW. GCRY_CIPHER_SALSA20R12 NEW. GCRY_CIPHER_GOST28147 NEW. GCRY_MD_GOSTR3411_94 NEW. GCRY_MD_STRIBOG256 NEW. GCRY_MD_STRIBOG512 NEW. GCRY_PK_ECC NEW. gcry_log_debug NEW. gcry_log_debughex NEW. gcry_log_debugmpi NEW. gcry_log_debugpnt NEW. Noteworthy changes in version 1.5.0 (2011-06-29) ------------------------------------------------ * New function gcry_kdf_derive implementing OpenPGP S2K algorithms and PBKDF2. * Support for WindowsCE. * Support for ECDH. * Support for OAEP and PSS methods as described by RFC-3447. * Fixed PKCS v1.5 code to always return the leading zero. * New format specifiers "%M" and "%u" for gcry_sexp_build. * Support opaque MPIs with "%m" and "%M" in gcry_sexp_build. * New functions gcry_pk_get_curve and gcry_pk_get_param to map ECC parameters to a curve name and to retrieve parameter values. * gcry_mpi_cmp applied to opaque values has a defined semantic now. * Uses the Intel AES-NI instructions if available. * The use of the deprecated Alternative Public Key Interface (gcry_ac_*) will now print compile time warnings. * The module register subsystem has been deprecated. This subsystem is not flexible enough and would always require ABI changes to extend the internal interfaces. It will eventually be removed. Please contact us on the gcrypt-devel mailing list to discuss whether you really need this feature or how it can be replaced by an internal plugin mechanism. * CTR mode may now be used with data chunks of arbitrary length. * Changes also done in 1.4.6 (2010-07-13): ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * New variants of the TIGER algorithm. * New cipher algorithm mode for AES-WRAP. * Changes also done in 1.4.5 (2009-12-11): ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * Fixed minor memory leak in DSA key generation. * No more switching to FIPS mode if /proc/version is not readable. * Fixed sigill during Padlock detection on old CPUs. * Fixed a hang on some W2000 machines. * Boosted SHA-512 performance by 30% on ia32 boxes and gcc 4.3; SHA-256 went up by 25%. * Interface changes relative to the 1.4.6 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GCRY_PK_ECDH NEW. gcry_pk_get_curve NEW. gcry_pk_get_param NEW. GCRYCTL_DISABLE_HWF NEW. gcry_kdf_derive NEW. gcry_pk_encrypt EXTENDED: Support OAEP. gcry_pk_decrypt EXTENDED: Support OAEP. gcry_pk_sign EXTENDED: Support PSS. gcry_pk_verify EXTENDED: Support PSS. gcry_sexp_build EXTENDED: Add format specifiers M and u. * Interface changes relative to the 1.4.2 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GCRY_CIPHER_MODE_AESWRAP NEW. GCRY_MD_TIGER1 NEW. GCRY_MD_TIGER2 NEW. Noteworthy changes in version 1.4.4 (2009-01-22) ------------------------------------------------ * Publish GCRY_MODULE_ID_USER and GCRY_MODULE_ID_USER_LAST constants. This functionality has been in Libgcrypt since 1.3.0. * MD5 may now be used in non-enforced fips mode. * Fixed HMAC for SHA-384 and SHA-512 with keys longer than 64 bytes. * In fips mode, RSA keys are now generated using the X9.31 algorithm and DSA keys using the FIPS 186-2 algorithm. * The transient-key flag is now also supported for DSA key generation. DSA domain parameters may be given as well. Noteworthy changes in version 1.4.3 (2008-09-18) ------------------------------------------------ * Try to auto-initialize Libgcrypt to minimize the effect of applications not doing that correctly. This is not a perfect solution but given that many applicationion would totally fail without such a hack, we try to help at least with the most common cases. Folks, please read the manual to learn how to properly initialize Libgcrypt! * Auto-initialize the secure memory to 32k instead of aborting the process. * Log fatal errors via syslog. * Changed the name and the semantics of the fips mode config file. * Add convenience macro gcry_fips_mode_active. * More self-tests. * Documentation cleanups. Noteworthy changes in version 1.4.2 (2008-09-08) ------------------------------------------------ * The long missing gcry_mpi_lshift function has been added. * RSA key generation now supports a "transient-key" flag. * The keygrip computation for ECDSA has been implemented thus ECDSA is now fully supported. * A few macros have been replaced by functions for better type checking. * The thread initialization structure now carries version information. * The manual describes more clearly how to initialize Libgcrypt. * The library may now be switched into a FIPS mode. * Interface changes relative to the 1.3.0 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GCRYCTL_OPERATIONAL_P NEW. GCRYCTL_FIPS_MODE_P NEW. GCRYCTL_FORCE_FIPS_MODE NEW. gcry_cipher_setkey NEW: Replaces macro. gcry_cipher_setiv NEW: Replaces macro. gcry_cipher_setctr NEW: Replaces macro. gcry_mpi_lshift NEW. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.4.1 (2008-04-25) ------------------------------------------------ * Fixed a bug introduced by 1.3.1 which led to the comsumption of far too much entropy for the intial seeding. * Improved AES performance for CFB and CBC modes. * Removed build problems for the Padlock support. Noteworthy changes in version 1.4.0 (2007-12-10) ------------------------------------------------ * New configure option --disable-padlock-support which is mostly useful in case of build problems. Noteworthy changes in version 1.3.2 (2007-12-03) ------------------------------------------------ * The visibility attribute is now used if supported by the toolchain. * The ACE engine of VIA processors is now used for AES-128. * The ASN.1 DER template for SHA-224 has been fixed. Noteworthy changes in version 1.3.1 (2007-10-26) ------------------------------------------------ * The entire library is now under the LGPL. The helper programs and the manual are under the GPL. Kudos to Peter Gutmann for giving permissions to relicense the rndw32 and rndunix modules. * The Camellia cipher is now under the LGPL and included by default. * Fixed a bug in the detection of symbol prefixes which inhibited the build of optimzied assembler code on certain systems. * Updated the entropy gatherer for W32. Noteworthy changes in version 1.3.0 (2007-05-04) ------------------------------------------------ * Changed the way the RNG gets initialized. This allows to keep it uninitialized as long as no random numbers are used. To override this, the new macro gcry_fast_random_poll may be used. It is in general a good idea to spread this macro into the application code to make sure that these polls happen often enough. * Made the RNG immune against fork without exec. * Reading and writing the random seed file is now protected by a fcntl style file lock on systems that provide this function. * Support for SHA-224 and HMAC using SHA-384 and SHA-512. * Support for the SEED cipher. * Support for the Camellia cipher. Note that Camellia is disabled by default, and that enabling it changes the license of libgcrypt from LGPL to GPL. * Support for OFB encryption mode. * gcry_mpi_rshift does not anymore truncate the shift count. * Reserved algorithm ranges for use by applications. * Support for DSA2. * The new function gcry_md_debug should be used instead of the gcry_md_start_debug and gcry_md_stop_debug macros. * New configure option --enable-random-daemon to support a system wide random daemon. The daemon code is experimental and not yet very well working. It will eventually allow to keep a global random pool for the sake of short living processes. * Non executable stack support is now used by default on systems supporting it. * Support for Microsoft Windows. * Assembler support for the AMD64 architecture. * New configure option --enable-mpi-path for optimized builds. * Experimental support for ECDSA; should only be used for testing. * New control code GCRYCTL_PRINT_CONFIG to print the build configuration. * Minor changes to some function declarations. Buffer arguments are now typed as void pointer. This should not affect any compilation. Fixed two bugs in return values and clarified documentation. * Interface changes relative to the 1.2.0 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_fast_random_poll NEW gcry_md_debug NEW gcry_sexp_nth_string NEW GCRY_MD_SHA224 NEW GCRY_PK_USAGE_CERT NEW GCRY_PK_USAGE_AUTH NEW GCRY_PK_USAGE_UNKN NEW GCRY_PK_ECDSA NEW GCRY_CIPHER_SEED NEW GCRY_CIPHER_CAMELLIA128 NEW GCRY_CIPHER_CAMELLIA192 NEW GCRY_CIPHER_CAMELLIA256 NEW GCRYCTL_FAKED_RANDOM_P NEW GCRYCTL_PRINT_CONFIG NEW GCRYCTL_SET_RNDEGD_SOCKET NEW. gcry_mpi_scan CHANGED: Argument BUFFER is now void*. gcry_pk_algo_name CHANGED: Returns "?" instead of NULL. gcry_cipher_algo_name CHANGED: Returns "?" instead of "". gcry_pk_spec_t CHANGED: Element ALIASES is now const ptr. gcry_md_write_t CHANGED: Argument BUF is now a const void*. gcry_md_ctl CHANGED: Argument BUFFER is now void*. gcry_cipher_encrypt CHANGED: Arguments IN and OUT are now void*. gcry_cipher_decrypt CHANGED: Arguments IN and OUT are now void*. gcry_sexp_sprint CHANGED: Argument BUFFER is now void*. gcry_create_nonce CHANGED: Argument BUFFER is now void*. gcry_randomize CHANGED: Argument BUFFER is now void*. gcry_cipher_register CHANGED: Argument ALGORITHM_ID is now int*. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.2.0 (2004-04-15) ------------------------------------------------ * First stable release. Noteworthy changes in version 1.1.94 (2004-03-29) ------------------------------------------------- * The support for multi-threaded users goes into its third incarnation. We removed compile time support for thread libraries. To support the thread library of your choice, you have to set up callback handlers at initialization time. New data structures, a new control command, and default initializers are provided for this purpose. * Interface changes relative to the 1.1.93 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libgcrypt-config --thread OBSOLETE libgcrypt-pth.la REMOVED libgcrypt-pthread.la REMOVED GCRYCTL_SET_THREAD_CBS NEW struct gcrypt_thread_cbs NEW enum gcry_thread_option NEW GCRY_THREAD_OPTION_PTH_IMPL NEW GCRY_THREAD_OPTION_PTHREAD_IMPL NEW ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.1.93 (2004-03-06) ------------------------------------------------- * The automatic thread library detection has finally been removed. From now on, only linking explicitely to libgcrypt, libgcrypt-pth or libgcrypt-pthread is supported. Noteworthy changes in version 1.1.92 (2004-02-20) ------------------------------------------------- * Minor bug fixes. * Included a limited implementation of RFC2268. * Changed API of the gcry_ac_ functions. Only a very few programs should be affected by this. * Interface changes relative to the 1.1.91 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GCRY_CIPHER_RFC2268_40 NEW. gcry_ac_data_set CHANGED: New argument FLAGS. gcry_ac_data_get_name CHANGED: New argument FLAGS. gcry_ac_data_get_index CHANGED: New argument FLAGS. gcry_ac_key_pair_generate CHANGED: New and reordered arguments. gcry_ac_key_test CHANGED: New argument HANDLE. gcry_ac_key_get_nbits CHANGED: New argument HANDLE. gcry_ac_key_get_grip CHANGED: New argument HANDLE. gcry_ac_data_search REMOVED. gcry_ac_data_add REMOVED. GCRY_AC_DATA_FLAG_NO_BLINDING REMOVED. GCRY_AC_FLAG_NO_BLINDING NEW: Replaces above. Noteworthy changes in version 1.1.91 (2003-12-19) ------------------------------------------------- * Code cleanups and minor bug fixes. Noteworthy changes in version 1.1.90 (2003-11-14) ------------------------------------------------- * The use of the GCRY_WEAK_RANDOM level is now deprecated in favor of the new gcry_create_nonce function. * gcry_sexp_build now supports a "%b" format to include a memory buffer. * Minor configuration fixes. * Interface changes relative to the 1.1.44 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_create_nonce NEW gcry_sexp_build ENHANCED Noteworthy changes in version 1.1.44 (2003-10-31) ------------------------------------------------- * Bug fixes and more code cleanups. * Enhanced the prime API. * Interface changes relative to the 1.1.43 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_prime_group_generator NEW gcry_prime_release_factors NEW Noteworthy changes in version 1.1.43 (2003-09-04) ------------------------------------------------- * Bug fixes and internal code cleanups. * Support for the Serpent cipher algorithm. * Interface changes relative to the 1.1.42 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_prime_generate NEW gcry_prime_check NEW Noteworthy changes in version 1.1.42 (2003-07-31) ------------------------------------------------- * Major API cleanup. Applications need to be converted to the new API. See README.apichanges for hints on how to do that. Backward compatibility is provided where it was possible without too much effort and did not collide with the overall sanitization effort. However, this is only for ease of transition. NO DEPRECATED FUNCTION OR DATA TYPE IS CONSIDERED A PART OF THE API OR ABI AND WILL BE DROPPED IN THE FUTURE WITHOUT CHANGING THE SONAME OF THE LIBRARY. * If gcrypt.h is included in sources compiled by GCC 3.1 or later, deprecated attributes will warn about use of obsolete functions and type definitions. You can suppress these warnings by passing -Wno-deprecated-declarations to the gcc command. * gcry_check_version must be called from now on to initialize the library, it is not longer optional. * Removed `libgcrypt errno' concept. * Libgcrypt depends on libgpg-error, a library that provides error codes and according functions for all GnuPG components. Functions that used to return error codes asa `int' have been changed to return a code of type `gcry_error_t'. All GCRYERR_* error symbols have been removed, since they are now contained in libgpg-error (GPG_ERR_*). All functions and types in libgpg-error have also been wrapped in Libgcrypt. The new types are gcry_err_code_t and gcry_err_source_t. The new functions are gcry_err_code, gcry_err_source, gcry_error, gcry_err_make, gcry_error_from_errno, gcry_err_make_from_errno, gcry_err_code_from_errno, gcry_err_code_to_errno, gcry_strsource. * New function gcry_mpi_dump to help in debugging. * Added alternative interface for asymmetric cryptography. * CRC-32, CRC-32 a'la RFC 1510, CRC-24 a'la RFC 2440 are now supported. * SHA-256, SHA-384 and SHA-512 are now supported. * 128 bit Twofish is now supported. * The random module won't print the "not enough random bytes available" anymore. A new progress status is issued instead. * CBC-MAC for block ciphers is now supported, by using a GCRY_CIPHER_CBC_MAC cipher flag. * CTR mode for block ciphers is now supported. * The public RSA exponent can now be specified in key generation. * RSA blinding is now supported and is used automatically for RSA decryption. It can be explicitely disabled by using the `no-blinding' symbol in the `flags' S-Expression or by using the GCRY_AC_FLAG_DATA_NO_BLINDING flag when using the ac interface. * gcry_sexp_canon_len does not use a `historically encoded' error code anymore. * Interface changes relative to the 1.1.12 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GCRY_MPI DEPRECATED; Use: gcry_mpi_t GcryMPI DEPRECATED; Use: gcry_mpi_t GCRY_SEXP DEPRECATED; Use: gcry_sexp_t GcrySexp DEPRECATED; Use: gcry_sexp_t GCRY_CIPHER_HD DEPRECATED; Use: gcry_cipher_hd_t GcryCipherHd DEPRECATED; Use: gcry_cipher_hd_t GCRY_MD_HD DEPRECATED; Use: gcry_md_hd_t GcryMDHd DEPRECATED; Use: gcry_md_hd_t gcry_error_t NEW gcry_err_code_t NEW gcry_err_source_t NEW gcry_err_make NEW gcry_error NEW gcry_err_code NEW gcry_err_source NEW gcry_err_code_from_errno NEW gcry_err_code_to_errno NEW gcry_err_make_from_errno NEW gcry_error_from_errno NEW gcry_strsource NEW GCRYERR_{some error code} REMOVED; Use GPG_ERR_* from libgpg-error instead. gcry_errno REMOVED gcry_sexp_canon_len CHANGED gcry_sexp_build_array NEW gcry_mpi_scan CHANGED: New argument to separate in/out args. gcry_mpi_print CHANGED: Ditto. gcry_mpi_dump NEW gcry_cipher_open CHANGED gcry_cipher_reset NEW gcry_cipher_register NEW gcry_cipher_unregister NEW gcry_cipher_list NEW gcry_cipher_algo_keylen REPLACED macro with function. gcry_cipher_algo_blklen REPLACED macro with function. gcry_pk_register NEW gcry_pk_unregister NEW gcry_pk_list NEW gcry_pk_decrypt ENHANCED: Allows flag to return complete S-expression. gcry_md_open CHANGED gcry_md_copy CHANGED gcry_md_is_enabled NEW gcry_md_is_secure NEW gcry_md_register NEW gcry_md_unregister NEW gcry_md_list NEW gcry_ac_data_t NEW gcry_ac_key_t NEW gcry_ac_key_pair_t NEW gcry_ac_handle_t NEW gcry_ac_key_spec_rsa_t NEW gcry_ac_data_new NEW gcry_ac_data_destroy NEW gcry_ac_data_set NEW gcry_ac_data_copy NEW gcry_ac_data_length NEW gcry_ac_data_get_name NEW gcry_ac_data_get_index NEW gcry_ac_data_clear NEW gcry_ac_open NEW gcry_ac_close NEW gcry_ac_key_init NEW gcry_ac_key_pair_generate NEW gcry_ac_key_pair_extract NEW gcry_ac_key_data_get NEW gcry_ac_key_test NEW gcry_ac_key_get_nbits NEW gcry_ac_key_get_grip NEW gcry_ac_key_destroy NEW gcry_ac_key_pair_destroy NEW gcry_ac_data_encrypt NEW gcry_ac_data_decrypt NEW gcry_ac_data_sign NEW gcry_ac_data_verify NEW gcry_ac_id_to_name NEW gcry_ac_name_to_id NEW gcry_handler_progress_t NEW gcry_handler_alloc_t NEW gcry_handler_secure_check_t NEW gcry_handle_realloc_t NEW gcry_handler_free_t NEW gcry_handler_no_mem_t NEW gcry_handler_error_t NEW gcry_handler_log_t NEW ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.1.12 (2003-01-20) ------------------------------------------------- * gcry_pk_sign, gcry_pk_verify and gcry_pk_encrypt can now handle an optional pkcs1 flags parameter in the S-expression. A similar flag may be passed to gcry_pk_decrypt but it is only syntactically implemented. * New convenience macro gcry_md_get_asnoid. * There is now some real stuff in the manual. Noteworthy changes in version 1.1.11 (2002-12-21) ------------------------------------------------- * Don't export internal symbols anymore (currently only for GNU systems) * New algorithm: MD4 * Implemented ciphertext stealing. * Smaller bugs fixes and a few new OIDs. * Interface changes relative to the 1.1.8 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_cipher_cts NEW ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.1.10 (2002-09-20) ------------------------------------------------- * Fixed shared library builds for i386, PPC and Sparc. * Added simple benchmark tool. * Replaced the internal mutexes by code which automatically adapts to the used threading library. Currently Pth and Pthread are supported. For non-ELF systems the GNU toolchain is now required.. * Added untested support to build Windows DLLs. Noteworthy changes in version 1.1.9 (2002-08-23) ------------------------------------------------ * Support for plain old DES. Noteworthy changes in version 1.1.8 (2002-06-25) ------------------------------------------------ * Minor cleanups and exported a few new functions. * Interface changes relative to the 1.1.7 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcry_mpi_div NEW gcry_mpi_mod NEW gcry_mpi_invm NEW gcry_mpi_swap NEW ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.1.7 (2002-05-21) ------------------------------------------------ * Libgcrypt is now distributed under the terms of the GNU Lesser General Public License; see the README file for details. * It is possible to use libgcrypt w/o intialized secure memory. * Libgcrypt should now be thread safe after the initialization. gcry_control (GCRYCRL_INITIALIZATION_FINISHED,NULL,0) should have been called before creating additional threads. * Interface changes relative to the 1.1.6 release: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GCRYCTL_DISABLE_INTERNAL_LOCKING NEW GCRYCTL_DISABLE_SECMEM NEW GCRYCTL_INITIALIZATION_FINISHED NEW GCRYCTL_INITIALIZATION_FINISHED_P NEW GCRYCTL_ANY_INITIALIZATION_P NEW gcry_strdup NEW gcry_sexp_create NEW gcry_sexp_new NEW gcry_set_progress_handler NEW ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Noteworthy changes in version 1.1.6 (2002-02-07) ------------------------------------------------ * Enhanced the S-expression conversion functions. Noteworthy changes in version 1.1.5 (2001-12-18) ------------------------------------------------ * gcry_{cipher,md}_map_name are now able to map stringified object IDs. * New functions gcry_sexp_canon_len and gcry_cipher_mode_from_oid. * Closed some memory leaks. Noteworthy changes in version 1.1.4 (2001-08-03) ------------------------------------------------ * Arcfour does now work. * Some minor fixes. * Added a first test program * Migrated to autoconf 2.52. Noteworthy changes in version 1.1.3 (2001-05-31) ------------------------------------------------ * First release of Libgcrypt which is a result of splitting GnuPG into into libgcrypt and GnuPG. Copyright 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2011 Free Software Foundation, Inc. Copyright 2013 g10 Code GmbH This file is free software; as a special exception the author gives unlimited permission to copy and/or distribute it, with or without modifications, as long as this notice is preserved. This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, to the extent permitted by law; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.