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35 Commits

Author SHA1 Message Date
Olivier Chéron
6f2a59e470 Apply hlint suggestions 2019-10-05 08:34:12 +02:00
Olivier Chéron
db8d47a76c ECC arithmetic in prime-order subgroup 
A type-class extension packs together additional functions related to
a chosen basepoint as well as scalar serialization and arithmetic
modulo the subgroup order.
 2019-10-05 08:34:12 +02:00
Olivier Chéron
bdf1a7a133 Require point equality in EllipticCurveArith 
This is an incompatible API change but is very useful to test
properties and algorithms derived from the primitives.  An ECC
instance sufficiently advanced to have math primitives should
implement equality too.
 2019-10-05 08:34:12 +02:00
Olivier Chéron
eccbc11824 Remove Crypto.Internal.Proxy 
Data.Proxy can be used instead now that GHC >= 8.0.  In Data.Proxy the
Proxy type is poly-kinded.
 2019-02-28 07:07:48 +01:00
Crockett
0fb8a73d3b Fixed compiler warnings 2019-02-03 16:06:05 -08:00
Vincent Hanquez
6346b8289c
Merge pull request #202 from ocheron/ed25519-arith-negate 
Ed25519 arithmetic primitives
 2017-12-17 18:12:50 +00:00
Olivier Chéron
45723e3542 Rename to Edwards25519 2017-12-10 21:14:47 +01:00
Olivier Chéron
3aaa89d52e Add missing NFData instances 2017-11-27 20:43:08 +01:00
Olivier Chéron
8567bacc2e Add pointNegate to class EllipticCurveArith 2017-11-20 19:28:17 +01:00
Olivier Chéron
c55dd4d27f Add Curve_Ed25519 2017-11-20 19:28:16 +01:00
Olivier Chéron
9b56689885 Check that ECDH and ECIES result is not point-at-infinity 
This guards against invalid public keys when curves have a cofactor.

Fixes #178
 2017-07-05 22:24:22 +02:00
Olivier Chéron
8e274f8e60 Validate output point when calling P256.pointFromBinary 
Function unsafePointFromBinary is added when validation is not needed.
 2017-07-05 22:24:22 +02:00
Olivier Chéron
e71d9b135c Derive Show,Data,Typeable when defining curve singletons 2017-06-10 14:26:59 +02:00
Olivier Chéron
5c2988716e Validate P256 point when decoding 
Fixes #165.
 2017-06-10 14:26:59 +02:00
Olivier Chéron
f832c328d0 Use new module name Crypto.PubKey.Curve448 2017-01-19 20:26:25 +01:00
Vincent Hanquez
4b34abe310 add support For Ed448 in Crypto.ECC. fix #121 2016-12-09 06:42:50 +00:00
Kazu Yamamoto
1ba4871032 fixing P256 binary format. 2016-12-05 13:34:33 +09:00
Vincent Hanquez
6e1d18f6c2 use the correct compat imports 2016-12-02 16:29:49 +00:00
Vincent Hanquez
a9b722b492 Add missing compatibility modules 2016-12-02 15:48:05 +00:00
Vincent Hanquez
f627bf437a make a faster and more secure related to memory blits of pointDh for P256 2016-12-02 15:47:51 +00:00
Vincent Hanquez
5e52a7ffa2 use binary serializer for P256 instead of going through the simple point layer 2016-12-02 15:28:36 +00:00
Vincent Hanquez
052417e5b1 properly check for point validity before making a point 2016-12-02 15:28:03 +00:00
Vincent Hanquez
7e6d7ccb1c complete rewrite of the type class 
Now there's no type created by associated type, it just become a routing type class,
however this has a cost, since the associated type are not injective,
requiring more witness for the curve than before.
 2016-12-02 15:02:48 +00:00
Vincent Hanquez
f37d0b79ec remove arithmetic on Curve25519. it's mathematically not possible 2016-12-01 12:53:56 +00:00
Vincent Hanquez
55f385a136 change point decoding to be able to fail explicitely instead of async error call. 2016-12-01 12:51:26 +00:00
Kazu Yamamoto
e9ea55ab57 relaxing types of encodePoint and decodePoint. 2016-11-30 15:34:35 +09:00
Kazu Yamamoto
c0b0846232 implmenting encodePoint and decodePoint for TLS. 2016-11-17 13:08:21 +09:00
Kazu Yamamoto
a6f177352a Eq and Show for Point and Scalar. 2016-11-16 16:53:43 +09:00
Kazu Yamamoto
aa33c00855 adding Curve_X25519. 2016-11-16 13:10:57 +09:00
Kazu Yamamoto
dea0469c61 adding Curve_P384R1. 2016-11-16 10:02:00 +09:00
Kazu Yamamoto
9a0ec9166a implementing ecdh fpr P256 and P521. 2016-11-15 15:41:00 +09:00
Vincent Hanquez
c29fa82417 add a note about scalarInverse 2016-11-15 15:05:58 +09:00
Vincent Hanquez
f3255c2fa0 fix imports on older versions 2016-11-15 15:05:58 +09:00
Vincent Hanquez
7c833eddfd improve description 2016-11-15 15:05:58 +09:00
Vincent Hanquez
60bb2cacb4 [ECC] Improve the code base to allow multiples different implementations 
* Use TypeFamilies; need to see what to do for older GHC versions
* Start implementing some API related to ECIES
 2016-11-15 15:05:58 +09:00