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417 Commits

Author SHA1 Message Date
Markus Triska
2fc887724b ADDED: format_time//2 for describing strings involving dates and times 
current_time/1 yields the current system time as an opaque time stamp.
 2020-06-11 00:55:38 +02:00
Markus Triska
7b30daf88d ADDED: Encrypted client connections in library(sockets) via new option tls/1. 
Use tls(true) to negotiate an encrypted network connection via TLS.
 2020-06-09 07:43:29 +02:00
Markus Triska
d5e76da475 ADDED: type checks for type boolean 2020-06-08 00:41:47 +02:00
Mark Thom
5d91c1af81 Merge pull request #578 from triska/format_improvements 
Various improvements for format_//2
 2020-06-07 19:36:16 -03:00
Markus Triska
c22816de08 type check for ~d and ~D specifiers 2020-06-08 00:09:55 +02:00
Markus Triska
9bb851d437 ENHANCED: format_//2 now evaluates arithmetic expressions for ~d, ~D, ~f, ~r and ~R 
Example:

    ?- phrase(format_("~d", [1+2]), Cs).
       Cs = "3"
    ;  false.
 2020-06-08 00:09:55 +02:00
Markus Triska
c8a9f8dcf5 better domain error in format_//2 
Example:

    ?- format("", [hello]).
    caught: error(domain_error(empty_list,[hello]),format_//2)
 2020-06-07 23:59:37 +02:00
Markus Triska
e8653ffe32 add type check for scalar argument in crypto_curve_scalar_mult/4 
Suggested by @notoria in #576. Many thanks!
 2020-06-07 18:51:13 +02:00
Markus Triska
5499df418a use secp256k1 in the example 2020-06-07 11:04:24 +02:00
Markus Triska
b586618411 ENHANCED: Faster Rust-based crypto_curve_scalar_mult/4 using OpenSSL. 2020-06-07 11:04:24 +02:00
Mark Thom
fe0bf6f2ef Merge pull request #524 from matt2xu/decode_utf8 
Add decoding of UTF-8 sequences
 2020-05-26 13:42:42 -03:00
Markus Triska
b0df981b01 ADDED: halt/1, halting with specified exit code 2020-05-23 19:28:17 +02:00
Mark Thom
888d844ec5 address arity discrepancies in builtins.n and call/N (#525) 2020-05-22 23:57:32 -06:00
Matthieu Wipliez
cc9d6587a3 Implementation of UTF-8 bytes to chars 2020-05-22 23:33:12 +02:00
Markus Triska
48c0b0ab3c ENHANCED: Faster format/3 for binary streams. 
This speeds up web servers considerably when sending binary files.
 2020-05-22 17:30:29 +02:00
Markus Triska
cbbed310c5 ADDED: format/3, writing formatted output to a stream 
Both binary and text streams are supported.
 2020-05-22 17:23:51 +02:00
Markus Triska
1108c99688 document that lists of integers can be specified if encoding(octet) is used 
This seems to be a good compromise: The API now strongly encourages
lists of characters, which are ideally suited to represent text, and
also allows lists of bytes if the encoding(octet) option is used.
 2020-05-21 13:41:57 +02:00
Markus Triska
93da831ef0 correct mode indication for ed25519_verify/4 
Noted by @notoria in #545. Many thanks!
 2020-05-21 01:27:06 +02:00
Markus Triska
72bf45912e "PrivateKey" --> "KeyPair" 2020-05-21 00:14:15 +02:00
Markus Triska
5d94276c4f remove several mentions of list of bytes in predicate descriptions 
This is to focus more on the intended core representation of text: In
Prolog, text is ideally represented as a list of characters, and this
is what we want to encourage, especially given Scryer's compact
representation for strings.

For the time being, library(crypto) still also supports lists of bytes in
several predicates. This will likely be removed at some point in the
future. Please use lists of characters to make your code future-proof.
 2020-05-21 00:07:42 +02:00
Markus Triska
b43f27030e require PKCS#8 v2 format for better security 
Notably, this format requires that the public key also be present.
This format is what ed25519_new_keypair/1 generates, and it is
strongly encouraged for higher security.
 2020-05-20 23:55:21 +02:00
Markus Triska
2845f55157 ADDED: ed25519_keypair_public_key/2, relating a key pair to its public key 2020-05-20 23:43:28 +02:00
Markus Triska
e254d84710 clarify format of public key 2020-05-20 23:17:42 +02:00
Markus Triska
0ef7b5488d ADDED: ed25519_new_keypair/1 to dynamically create a new Ed25519 key pair 2020-05-20 23:11:56 +02:00
Markus Triska
2d036c6b25 "codes" --> "bytes" 
Support for lists of bytes may be dropped from library(crypto). Use
lists of characters to make your code future-proof. Lists of
characters will always be supported due to their compactness,
and because Prolog applications should move towards characters.
 2020-05-20 22:32:39 +02:00
Markus Triska
ad3be5c848 ADDED: Public key signatures and signature verification with Ed25519 2020-05-20 22:32:39 +02:00
Markus Triska
21b7348c6a import member/2 from library(lists) 2020-05-19 20:13:06 +02:00
Mark Thom
ad6fc89a24 Merge pull request #533 from triska/master 
ADDED: Support for SHA-3 algorithms in crypto_data_hash/3
 2020-05-19 14:23:12 -03:00
Markus Triska
0bd9831eec ADDED: phrase_from_file/3 in library(pio) 
This allows us to specify type(binary), and read from binary files
with DCGs.
 2020-05-19 18:52:18 +02:00
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
da4d061067 correct option processing in crypto_data_decrypt/6 2020-05-19 17:02:33 +02:00
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
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
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
Markus Triska
3855d7ea02 type test for salt in crypto_password_hash/3 2020-05-17 22:01:22 +02:00
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
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
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
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
Markus Triska
fd761735d4 ADDED: ripemd160 digest algorithm 
This is used for example for Bitcoin address generation.
 2020-05-13 22:36:40 +02:00