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Author SHA1 Message Date
Markus Triska dec2ef70c7 better error handling in crypto_data_hkdf/4 
Noted by @notoria in #533. Many thanks!
 2020-05-19 18:22:25 +02:00
Markus Triska d19d8ea770 crypto_data_hkdf/4: do not crash for length > usize::max_value() 
For now, we fail silently in such cases.

Noted by @notoria in #533. Many thanks!
 2020-05-19 17:31:36 +02:00
Markus Triska 34f7752c0f use more fixnums in cryptographic routines 2020-05-19 17:03:02 +02:00
Markus Triska da4d061067 correct option processing in crypto_data_decrypt/6 2020-05-19 17:02:33 +02:00
Markus Triska 85155439be use Fixnums for bytes in hashing. 
Suggested by @notoria in #533. Many thanks!
 2020-05-19 16:43:44 +02:00
Markus Triska dd32e69061 use matching to select the hashing algorithm 
Suggested by @notoria in #533. Many thanks!
 2020-05-19 16:37:50 +02:00
Mark Thom 1c0c660c32 Merge pull request #517 from panasenco/docker 
Created and Tested Dockerfile
 2020-05-19 11:30:08 -03:00
Mark Thom 2eac902c33 correct fixnum overflow on negation (#528) 2020-05-19 10:45:54 -06:00
Markus Triska 9f5322d309 ADDED: Support for BLAKE2 algorithms in crypto_data_hash/3. 2020-05-19 12:44:10 +02:00
Markus Triska f5c2f6f9e9 ADDED: Support for SHA-3 algorithms in crypto_data_hash/3 2020-05-19 12:10:46 +02:00
Mark Thom e0e3b180e7 accomodate \0\ in partial strings, print null as \0\ (#267, #526), update prolog parser, version bump 2020-05-18 23:45:34 -06:00
Mark Thom 041dc039d4 add Addr::Lis as case in PartialStringTail (#530) 2020-05-18 12:27:26 -06:00
Mark Thom ac755b0ada Merge pull request #527 from triska/master 
Add type checks to increase robustness of library(crypto)
 2020-05-18 11:18:58 -03:00
Mark Thom c14259060c fix partial_string_tail panic (#530) 2020-05-18 11:14:27 -06:00
Markus Triska a423eb5323 stronger validation of input lists for cryptographic routines 
Example:

    ?- crypto_data_hkdf(Var, 32, Bs, []).
    caught: error(instantiation_error,must_be/2)

Reported by @notoria in #527. Many thanks!
 2020-05-18 13:28:52 +02:00
Markus Triska fd732550d8 crypto_data_hkdf/4: Fail if the length is too long. 
Due to the way the counter is constructed in the HKDF specification,
the requested output length can be at most 255 times the size of the
digest algorithm's output.

Reported by @notoria in #527. Many thanks!
 2020-05-18 13:21:38 +02:00
Markus Triska fac7ba70c8 crypto_password_hash/3: fail if the number of iterations is too high 
Discussed in #527.
 2020-05-18 13:11:39 +02:00
Markus Triska e9f8b35918 centralize reasoning about encoding 2020-05-18 11:29:35 +02:00
Markus Triska 23034dd4f5 raise instantiation errors for variable encoding 
Reported by notoria in #527.

Note that from a declarative perspective, it would indeed be valid to
give answers for both available encodings.
 2020-05-18 11:21:38 +02:00
Markus Triska 70ad44adfd type check for length argument in crypto_data_hkdf/4 
Reported by @notoria in #527.
 2020-05-18 11:12:59 +02:00
Markus Triska 95ca8a2630 throw instantiation error if the list of options contains a variable (#523) 
Many thanks to @notoria for the test case!
 2020-05-18 09:58:09 +02:00
panasenco a7fd3c50e5 Updated README with Docker install instructions 2020-05-17 20:50:34 -07:00
panasenco 5639f40994 Managed to create a 77MB scryer-prolog Docker image 2020-05-17 20:50:34 -07:00
panasenco 33a8262334 New Dockerfile based on Fredrik Park's blog post - compilation fails with linker error 2020-05-17 20:50:34 -07:00
panasenco 9b4f7ad696 Created initial working Docker deployment 2020-05-17 20:50:33 -07:00
Mark Thom eecd809d9a fix atom_codes (#521) 2020-05-17 16:34:52 -06:00
Mark Thom 240d3cb8f1 add Cargo.lock 2020-05-17 15:20:02 -06:00
Mark Thom 5720b7b94c eliminate Addr::CharCode (#519), fix atom_code panic (#521), fix failure involving lists of character codes (#520), bump version number 2020-05-17 15:19:27 -06:00
Markus Triska 3855d7ea02 type test for salt in crypto_password_hash/3 2020-05-17 22:01:22 +02:00
Mark Thom 9f3351469d solve overflow of left arithmetic shift (#518) 2020-05-17 12:20:22 -06:00
Mark Thom 2c4a0cf65b update Cargo.lock 2020-05-16 23:13:57 -06:00
Mark Thom a8f360c8fd scryer version bump 2020-05-16 23:12:43 -06:00
Mark Thom b3cff6555f propagate syntax errors from read_term when they're not UnexpectedEOF (#507) 2020-05-16 23:10:38 -06:00
Mark Thom 69706ecab0 fix sign error in shl on fixnum with n >= 63 (#499) 2020-05-16 23:00:37 -06:00
Mark Thom 05d3b97eae correct for second argument when (is)/2 is a tail call 2020-05-16 20:22:17 -06:00
Mark Thom a38fb41e37 Merge branch 'master' of https://github.com/mthom/rusty-wam 2020-05-16 14:51:19 -06:00
Mark Thom 204ae377e3 restore old clpz.pl 2020-05-16 14:51:04 -06:00
notoria 3e5a652874 Enhanced Travis-CI (#512) 2020-05-16 11:51:53 -06:00
Markus Triska 862ae26631 Authenticated encryption in library(crypto), new encoding/1 option for hashes (#515) 
* shorten n_newlines//1

* remove unneeded variable

* ADDED: authenticated encryption and decryption with ChaCha20-Poly1305

* ADDED: encoding/1 option for crypto_data_hash/3 and crypto_data_hkdf/4
 2020-05-16 11:51:41 -06:00
Mark Thom 9e0208ec71 Merge branch 'master' of https://github.com/mthom/rusty-wam 2020-05-15 22:51:24 -06:00
Mark Thom 510530973c correct mishandled Addr::CharCode case in eq_test (#505) 2020-05-15 22:51:18 -06:00
Markus Triska 4e69301562 ADDED: Password-based key derivation (PBKDF2) (#509) 
The new predicates crypto_password_hash/[2,3] let you store
passwords safely, and easily verify passwords later.
 2020-05-15 10:49:23 -06:00
Matthieu Wipliez df06d4b9a2 Work in progress: add char_utf8bytes (#493) 
* Add char_utf8bytes to library

* Improved implementation

* Improve code + add chars predicate

* Update example

* Renamed string_utf8bytes to char_utf8bytes
 2020-05-15 10:05:04 -06:00
Mark Thom b60561c3bb fix existence_error in atom_chars/2, atom_codes/2 (#504, #506) 2020-05-14 22:33:28 -06:00
Mark Thom fffa503968 Merge branch 'master' of https://github.com/mthom/rusty-wam 2020-05-14 22:25:50 -06:00
Mark Thom 8754157810 implement (div)/2 properly (#435) 2020-05-14 22:25:39 -06:00
Mark Thom 0763686892 Merge pull request #502 from triska/hkdf 
ADDED: HMAC-based key derivation (HKDF) via crypto_data_hkdf/4
 2020-05-14 15:13:32 -03:00
Markus Triska 50776748a7 ADDED: HMAC-based key derivation (HKDF) via crypto_data_hkdf/4 
This is useful to generate keys and initialization vectors
from suitable input keying material, so that future predicates
for symmetric encryption can be used with appropriate parameters.
 2020-05-14 20:07:59 +02:00
Mark Thom c07274a6fa Merge pull request #501 from triska/elliptic_curves 
ADDED: Reasoning about elliptic curves in library(crypto).
 2020-05-13 20:58:39 -03:00
Markus Triska 4084005ee7 ADDED: Reasoning about elliptic curves in library(crypto). 
This is useful to establish shared secrets, using ECDH key exchange.

Note that CLP(ℤ) goal expansion is currently disabled due to #445,
and this slows down the computations considerably for the time being.
 2020-05-13 22:44:27 +02:00