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* iv-gen: Use NULL IV generator for NULL encryptionTobias Brunner2015-11-091-0/+5
| | | | | | | | | | | | We don't need an IV for NULL encryption, so we wouldn't technically need an IV generator. But some of the code currently relies on an IV generator to be present. So we don't have to change that code and handle IV size == 0 specially we use the new NULL IV generator, which handles this transparently to the existing code. Before 3c81cb6fc322 ("aead: Create AEAD using traditional transforms with an explicit IV generator") iv_gen_rand_t was used for NULL encryption, which would work too but this way it's clearer.
* crypto: Add NULL IV generatorTobias Brunner2015-11-094-1/+98
| | | | | This does not actually allocate an IV and only accepts requests for size == 0.
* testing: Updated hasher testsAndreas Steffen2015-11-062-4/+83
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* Explicitly mention SHA2 algorithm in BLISS OIDs and signature schemesAndreas Steffen2015-11-0611-86/+106
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* Use word-aligned XOR in sha3_absorb()Andreas Steffen2015-11-031-4/+47
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* Support BLISS signatures with SHA-3 hashAndreas Steffen2015-11-035-4/+43
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* Implemented SHA-3 hash algorithm including test vectorsAndreas Steffen2015-11-039-0/+1029
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* Defined SHA-3 hashersAndreas Steffen2015-11-033-10/+59
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* random: Properly handle errors when reading from /dev/[u]randomTobias Brunner2015-10-291-0/+1
| | | | | | | | If -1 was returned on the first call to read() `done` got SIZE_MAX and the function returned TRUE even though no actual random data had been allocated. Fixes #1156.
* Replace usages of sigwait(3) with sigwaitinfo(2)Tobias Brunner2015-10-291-2/+1
| | | | | | | This is basically the same call, but it has the advantage of being supported by FreeBSD's valgrind, which sigwait() is not. References #1106.
* openssl: Explicitly include openssl/bn.hTobias Brunner2015-09-165-0/+5
| | | | | | | | If OpenSSL is compiled with OPENSSL_NO_DEPRECATED some of the headers we include don't include openssl/bn.h anymore. Therefore, we have to explicitly include it ourselves where we use BN_* functions. Fixes #1113.
* unit-tests: Add a test to verify that there is no partial matching of RDNsTobias Brunner2015-09-091-0/+1
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* Fixed some typos, courtesy of codespellTobias Brunner2015-08-273-3/+3
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* Fix some Doxygen issuesTobias Brunner2015-08-273-3/+3
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* unit-tests: Additional test cases to increase coverageTobias Brunner2015-08-272-9/+611
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* traffic-selector: Use calc_netbits() in RFC 3779 constructorTobias Brunner2015-08-271-2/+1
| | | | This properly detects prefixes encoded as ranges.
* auth-cfg: Don't enforce EAP_RADIUSTobias Brunner2015-08-211-1/+2
| | | | | Basically the same as e79b0e07e4ab. EAP_RADIUS is also a virtual method that will identify itself as a different EAP method later.
* mem-cred: We don't need a write lock when looking for a certificateTobias Brunner2015-08-201-1/+1
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* mem-cred: Add a method to atomically replace all certificatesTobias Brunner2015-08-202-10/+58
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* auth-cfg: Don't enforce EAP_DYNAMICTobias Brunner2015-08-201-1/+2
| | | | | We now store the actual method on the auth config, which won't match anymore if rightauth=eap-dynamic is configured.
* Defined PWG HCD IF-M attributesAndreas Steffen2015-08-182-3/+6
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* auth-cfg: Matching one CA should be enough, similar to peer certificatesTobias Brunner2015-08-171-15/+20
| | | | | | | | | | Not sure if defining multiple CA constraints and enforcing _all_ of them, i.e. the previous behavior, makes even sense. To ensure a very specific chain it should be enough to define the last intermediate CA. On the other hand, the ability to define multiple CAs could simplify configuration. This can currently only be used with swanctl/VICI based configs as `rightca` only takes a single DN.
* identification: Remove unused ID_USER_ID typeTobias Brunner2015-08-172-11/+3
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* plugin-feature: Add vendor specific EAP method registration macrosTobias Brunner2015-08-172-8/+18
| | | | | | | | | | | Vendor specific EAP methods may be registered with: PLUGIN_CALLBACK(eap_method_register, <constructor>), PLUGIN_PROVIDE(EAP_SERVER_VENDOR, <type>, <vendor>), Same for client implementations via EAP_PEER_VENDOR. References #969.
* utils: Check for dirfd(3)Tobias Brunner2015-08-171-0/+9
| | | | | Not all POSIX compatible systems might provide it yet. If not, we close the lowest FD to close and hope it gets reused by opendir().
* utils: Directly use syscall() to close open FDs in closefrom()Tobias Brunner2015-08-171-5/+53
| | | | | | | This avoids any allocations, since calling malloc() after fork() is potentially unsafe. Fixes #990.
* utils: Don't use directory enumerator to close open FDs in closefrom()Tobias Brunner2015-08-171-24/+36
| | | | | | | | | | Calling malloc() after fork() is potentially unsafe, so we should avoid it if possible. opendir() will still require an allocation but that's less than the variant using the enumerator wrapper, thus, decreasing the conflict potential. This way we can also avoid closing the FD for the enumerated directory itself. References #990.
* Initialize variables that some compilers seem to warn aboutTobias Brunner2015-08-132-2/+2
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* Fixed some typosTobias Brunner2015-08-132-2/+2
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* identification: Use UTF8String instead of the legacy T61String to encode DNsTobias Brunner2015-08-061-1/+1
| | | | | | | When strings in RDNs contain characters outside the character set for PrintableString use UTF8String as the passed string is most likely in that encoding (RFC 5280 actually recommends to use only those two string types).
* identification: Add hash() methodTobias Brunner2015-08-063-3/+135
| | | | | | | Compared to hashing the encoding we can ignore string types of RDNs when hashing DNs, making hash() compatible to equals() that does the same. Fixes #991.
* pkcs11: Fix encoding of RSA keys if unnecessarily zero prefixedTobias Brunner2015-08-061-3/+8
| | | | | | | | | | | | | | Some tokens/libraries seem to prefix all numbers with zero bytes even if not necessary (e.g. the default exponent 0x010001). If we don't fix that, the fingerprints calculated based on the retrieved values will be incorrect. Even if the pkcs1 plugin can properly handle numbers that are not in two's complement since a81bd670b086 ("Added PUBKEY_RSA_MODULUS encoding type") we prefix them with zero if necessary as other encoders might expect them in two's complement. Fixes #1012.
* printf-hook-builtin: Fix invalid memory accessTobias Brunner2015-08-041-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When precision is given for a string, we must not run unbounded strlen() as it will read beyond the given length. It might even cause a crash if the given pointer is near end of heap or mapping. Fixes numerous valgrind errors such as: ==19215== Invalid read of size 1 ==19215== at 0x52D36C6: builtin_vsnprintf (printf_hook_builtin.c:853) ==19215== by 0x52D40A8: builtin_snprintf (printf_hook_builtin.c:1084) ==19215== by 0x52CE464: dntoa (identification.c:337) ==19215== by 0x52CE464: identification_printf_hook (identification.c:837) ==19215== by 0x52D3DAA: builtin_vsnprintf (printf_hook_builtin.c:1010) ==19215== by 0x57040EB: vlog (bus.c:388) ==19215== by 0x570427D: log_ (bus.c:430) ==19215== by 0xA8445D3: load_x509_ca (stroke_cred.c:416) ==19215== by 0xA8445D3: load_certdir (stroke_cred.c:537) ==19215== by 0xA846A95: load_certs (stroke_cred.c:1353) ==19215== by 0xA846A95: stroke_cred_create (stroke_cred.c:1475) ==19215== by 0xA84073E: stroke_socket_create (stroke_socket.c:782) ==19215== by 0xA83F27C: register_stroke (stroke_plugin.c:53) ==19215== by 0x52C3125: load_feature (plugin_loader.c:716) ==19215== by 0x52C3125: load_provided (plugin_loader.c:778) ==19215== by 0x52C3A20: load_features (plugin_loader.c:799) ==19215== by 0x52C3A20: load_plugins (plugin_loader.c:1159) ==19215== Address 0x50cdb42 is 0 bytes after a block of size 2 alloc'd ==19215== at 0x4C919FE: malloc (vg_replace_malloc.c:296) ==19215== by 0x52CD198: chunk_printable (chunk.c:759) ==19215== by 0x52CE442: dntoa (identification.c:334) ==19215== by 0x52CE442: identification_printf_hook (identification.c:837) ==19215== by 0x52D3DAA: builtin_vsnprintf (printf_hook_builtin.c:1010) ==19215== by 0x57040EB: vlog (bus.c:388) ==19215== by 0x570427D: log_ (bus.c:430) ==19215== by 0xA8445D3: load_x509_ca (stroke_cred.c:416) ==19215== by 0xA8445D3: load_certdir (stroke_cred.c:537) ==19215== by 0xA846A95: load_certs (stroke_cred.c:1353) ==19215== by 0xA846A95: stroke_cred_create (stroke_cred.c:1475) ==19215== by 0xA84073E: stroke_socket_create (stroke_socket.c:782) ==19215== by 0xA83F27C: register_stroke (stroke_plugin.c:53) ==19215== by 0x52C3125: load_feature (plugin_loader.c:716) ==19215== by 0x52C3125: load_provided (plugin_loader.c:778) ==19215== by 0x52C3A20: load_features (plugin_loader.c:799) ==19215== by 0x52C3A20: load_plugins (plugin_loader.c:1159)
* unit-tests: Add unit tests for settings_t.load_string[_section]Tobias Brunner2015-07-281-8/+113
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* settings: Add methods and a constructor to parse settings from stringsTobias Brunner2015-07-282-11/+112
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* settings: Extend parser so we can parse settings from a stringTobias Brunner2015-07-282-0/+45
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* settings: Add support for multi-line stringsTobias Brunner2015-07-283-16/+20
| | | | Unterminated strings are now an error.
* settings: Don't replace rarely used special charactersTobias Brunner2015-07-281-2/+0
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* Use MGF1 with SHA-512 as BLISS random oracleAndreas Steffen2015-07-274-72/+58
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* Generalize c_indices generation using SHA-512 random oracle.Markku-Juhani Olavi Saarinen2015-07-271-18/+24
| | | | | | This generalization allows the ring dimension n to be different from the current n = 512 and allows kappa to be > 56. Also the hash octets are consumed in a more consistent manner.
* Fixed several bugs in the BLISS signature generation/verification step.Markku-Juhani Olavi Saarinen2015-07-271-4/+8
| | | | | | | | | | | | | | | | The c_indices derived from the SHA-512 random oracle consist of nine bits (0..511). The leftmost 8 bits of each index are taken on an octet-by-octet basis from the 56 leftmost octets of the SHA-512 hash. The 9th bit needed for the LSB is taken from the extra_bits 64 bit unsigned integer which consists of the 8 rightmost octets of the SHA-512 hash (in network order). If more than 56 indices must be derived then additional rounds of the random oracle are executed until all kappa c_indices have been determined. The bug fix shifts the extra_bits value by one bit in each loop iteration so that the LSB of each index is random. Also iterate through the hash array using the loop variable j not the c_indices variable i.
* host: Properly handle NULL in host_create_from_string[_and_family]Tobias Brunner2015-07-272-0/+10
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* unit-tests: Increase failure message buffer to hold larger hex dumpsMartin Willi2015-07-122-2/+2
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* unit-tests: Forward variable argument list in TEST_SUITE_DEPENDMartin Willi2015-07-121-2/+2
| | | | | For some plugin features, such as crypters or AEADs, we have some additional feature arguments, such as the key size.
* chapoly: Process two Poly1305 blocks in parallel in SSSE3 driverMartin Willi2015-07-121-85/+291
| | | | | | | | | | By using a derived key r^2 we can improve performance, as we can do loop unrolling and slightly better utilize SIMD instructions. Overall ChaCha20-Poly1305 performance increases by ~12%. Converting integers to/from our 5-word representation in SSE does not seem to pay off, so we work on individual words.
* chapoly: Process four ChaCha20 blocks in parallel in SSSE3 driverMartin Willi2015-07-121-16/+207
| | | | | As we don't have to shuffle the state in each ChaCha round, overall performance for ChaCha20-Poly1305 increases by ~40%.
* chapoly: Add an SSSE3 based driverMartin Willi2015-06-294-1/+514
| | | | | | | | | | | | | We always build the driver on x86/x64, but enable it only if SSSE3 support is detected during runtime. Poly1305 uses parallel 32-bit multiplication operands yielding a 64-bit result, for which two can be done in parallel in SSE. This is minimally faster than multiplication with 64-bit operands, and also works on 32-bit builds not having a __int128 result type. On a 32-bit architecture, this is more than twice as fast as the portable driver, and on 64-bit it is ~30% faster.
* chapoly: Add a ChaCha20/Poly1305 driver implemented in portable CMartin Willi2015-06-294-0/+488
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* chapoly: Provide a generic ChaCha20/Poly1305 AEAD supporting driver backendsMartin Willi2015-06-298-0/+679
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* test-vectors: Add some initial ChaCha20/Poly1305 AEAD test vectorMartin Willi2015-06-293-0/+112
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