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* Add message to BOTAN_ARG_CHECK and use it more widelyJack Lloyd2018-05-131-0/+1
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* Accept ChaCha20 as a nameJack Lloyd2017-12-181-0/+6
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* Allow setting CTR width via stringJack Lloyd2017-10-201-3/+7
| | | | | | | | | Prohibit very small counter widths (under 4 bytes), since they lead to trivial keystream reuse. Add tests. Fix clone which always returned an object with a block-wide counter.
* Add BOTAN_UNUSED in creator functionsJack Lloyd2017-01-271-0/+3
| | | | | | If all (say) stream ciphers are disabled, avoid unused arg warning. [ci skip]
* Add SHAKE-128 and SHAKE-256 as hash functionsJack Lloyd2016-11-101-1/+1
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* Remove alias logic from SCAN_NameJack Lloyd2016-10-211-2/+5
| | | | | | This required taking a global lock and doing a map lookup each time an algorithm was requested (and so many times during a TLS handshake).
* Remove Algo_RegistryJack Lloyd2016-10-211-20/+77
| | | | | | | I repent my use of global constructors. I repent my use of global locks. Hopefully I will never touch this code again. :)
* Add SHAKE-128 as stream cipherJack Lloyd2016-10-191-0/+8
| | | | | Updates NewHope to use that instead of the hard-coded SHAKE-128, and adds toggle for BoringSSL compat mode using AES-128/CTR + SHA-256.
* Make Stream_Cipher::set_iv() pure virtualRené Korthaus2016-07-201-6/+0
| | | | | | | | | | It provided a default implementation that only checked that the length was correct, but ignored the actual data and did not notify the caller, which seemed like a rather odd behaviour. The only implementation that used this default implementation, RC4, now throws an exception.
* Add support for ChaCha(12)Jack Lloyd2016-04-091-1/+1
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* cppcheck fixes: Class 'X' has a constructor with 1 argument that is not ↵Daniel Neus2016-03-051-1/+1
| | | | explicit.
* Address some review comments by Simon. GH #279Jack Lloyd2015-09-211-5/+5
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* Internal header cleanupsJack Lloyd2015-09-191-3/+3
| | | | Only user-visible change is the removal of get_byte.h
* Handle dependencies re static linking. GH #279Jack Lloyd2015-09-171-0/+12
| | | | | | | | | | | | | | Previously we were hanging on the type destructors to pull in the relevant objects. However that fails in many simple cases where the object is never deleted. For every type involved in the algo registry add static create and providers functions to access the algo registry. Modify lookup.h to be inline and call those functions, and move a few to sub-headers (eg, get_pbkdf going to pbkdf.h). So accessing the registry involves going through the same file that handles the initialization, so there is no way to end up with missing objs.
* Fix static lib registration for block, hash, mac, stream, kdfJack Lloyd2015-09-101-0/+61
| | | | | | | | | | | The support problems from having static libraries not work in the obvious way will be endless trouble. Instead have each set of registrations tag along in a source file for the basic type, at the cost of some extra ifdefs. On shared libs this is harmless - everything is going into the shared object anyway. With static libs, this means pulling in a single block cipher pulls in the text of all the them. But that's still strictly better than the amalgamation (which is really pulling in everything), and it works (unlike status quo).
* Remove algo factory, engines, global RNG, global state, etc.lloyd2015-02-041-24/+0
| | | | | | | | | | | | | | | Convert all uses of Algorithm_Factory and the engines to using Algo_Registry The shared pool of entropy sources remains but is moved to EntropySource. With that and few remaining initializations (default OIDs and aliases) moved elsewhere, the global state is empty and init and shutdown are no-ops. Remove almost all of the headers and code for handling the global state, except LibraryInitializer which remains as a compatability stub. Update seeding for blinding so only one hacky almost-global RNG instance needs to be setup instead of across all pubkey uses (it uses either the system RNG or an AutoSeeded_RNG if the system RNG is not available).
* Ensure all files have copyright and license info.lloyd2015-01-101-1/+1
| | | | | Update license header line to specify the terms and refer to the file, neither of which it included before.
* Move lib into srclloyd2014-01-101-0/+24