GaloisInc/cryptol
1
1
Fork 0
mirror of https://github.com/GaloisInc/cryptol.git synced 2025-01-04 22:03:11 +03:00
Code Issues Projects Releases Wiki Activity

properties and cleanup for new contrib examples

Browse Source
This commit is contained in:
Adam C. Foltzer 2015-01-18 12:46:03 -08:00
parent d7e9b9b3c6
commit 22df9717cb
3 changed files with 53 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Makefile
View File

@ -87,7 +87,7 @@ ${CS_BIN}/cryptolnb: ${CS_BIN}/alex ${CS_BIN}/happy | ${CS}
${PKG}: ${CS_BIN}/cryptol
mkdir -p ${PKG}/bin
mkdir -p ${PKG}/lib
mkdir -p ${PKG}/doc/examples
mkdir -p ${PKG}/doc/examples/contrib
cp ${CS_BIN}/cryptol ${PKG}/bin/cryptol
cp -R docs/*.md ${PKG}/doc
cp -R docs/*.pdf ${PKG}/doc
@ -99,6 +99,8 @@ ${PKG}: ${CS_BIN}/cryptol
cp examples/DEStest.cry ${PKG}/doc/examples
cp examples/Test.cry ${PKG}/doc/examples
cp examples/SHA1.cry ${PKG}/doc/examples
cp examples/contrib/mkrand.cry ${PKG}/doc/examples/contrib
cp examples/contrib/RC4.cry ${PKG}/doc/examples/contrib
cp examples/contrib/simon.cry ${PKG}/doc/examples/contrib
cp examples/contrib/speck.cry ${PKG}/doc/examples/contrib
cp LICENSE ${PKG}/doc

6
examples/contrib/RC4.cry
View File

@ -33,6 +33,6 @@ ks key = [ k | (_,_,k) <- drop`{1} go ] where
///////
// "Test vectors" from wikipedia
test1 = take (ks "Key") == [0xEB,0x9F,0x77,0x81,0xB7,0x34,0xCA,0x72,0xA7,0x19]
test2 = take (ks "Wiki") == [0x60,0x44,0xDB,0x6D,0x41,0xB7]
test3 = take (ks "Secret") == [0x04,0xD4,0x6B,0x05,0x3C,0xA8,0x7B,0x59]
property test1 = take (ks "Key") == [0xEB,0x9F,0x77,0x81,0xB7,0x34,0xCA,0x72,0xA7,0x19]
property test2 = take (ks "Wiki") == [0x60,0x44,0xDB,0x6D,0x41,0xB7]
property test3 = take (ks "Secret") == [0x04,0xD4,0x6B,0x05,0x3C,0xA8,0x7B,0x59]

77
examples/contrib/mkrand.cry
View File

@ -1,28 +1,30 @@
/*
MKRAND - A Digital Random Bit Generator
The MIT License (MIT)
Copyright (c) 2014, TAG Universal Machine.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
--
@ -36,13 +38,13 @@ MKRAND - A Digital Random Bit Generator
take `{100} (randBytes seed)
Here a string is encoded with seedUnit, using the deterministic random stream as a
Here a string is encoded with seedUnit, using the deterministic random stream as a
one-time pad against which to XOR the string:
Encode:
randXOR seedUnit "Deus Ex Machina"
[0x28, 0x2b, 0x2c, 0xfa, 0x92, 0xca, 0xb3, 0xcb, 0xed, 0x50, 0xc2,v0x1b, 0x11, 0x0e, 0x70]
Decode:
:set ascii=on
randXOR seedUnit [0x28, 0x2b, 0x2c, 0xfa, 0x92, 0xca, 0xb3, 0xcb, 0xed, 0x50, 0xc2,0x1b, 0x11, 0x0e, 0x70]
@ -60,32 +62,32 @@ seedUnit:Seg
seedUnit = (0 :[63]) # (1:[1]) # (0:[64])
/*
* Field - Unfold an application of Rule 30 to a seed
*/
/*
* Field - Unfold an application of Rule 30 to a seed
*/
field: Seg -> [inf]Seg
field s = new
where
where
new = [s] # [ rule30 row | row <- new]
rule30 r = [ a ^ (b || c) | a <- r >>> 1
| b <- r
rule30 r = [ a ^ (b || c) | a <- r >>> 1
| b <- r
| c <- r <<< 1
]
/* SHA30 - Use the input segment as the seed, generate two square fields,
* keep the center column of the second.
/* SHA30 - Use the input segment as the seed, generate two square fields,
* keep the center column of the second.
*/
sha30: Seg -> Seg
sha30 s = take`{0x80} (drop`{0x80} [ r @ ((((width r) / 2)-1):[8]) | r <- field s])
/*
* RAND - Seed XOR (SHA30 Seed)
/*
* RAND - Seed XOR (SHA30 Seed)
*/
rands : Seg -> [inf]Seg
rands s = rest
where
where
rand p = p ^ (sha30 p)
rest = [rand s] # [rand x | x <- rest]
@ -96,7 +98,22 @@ randBytes s = groupBy`{8} (join (rands s))
/* XOR a byte string into a random byte string, using the given seed */
randXOR : {n} Seg -> String n -> String n
randXOR : {n} Seg -> String n -> String n
randXOR seed src = [s ^ r | s <- src
| r <- randBytes seed
]
/* OTP example */
property otp_encdec =
randXOR seedUnit "Deus Ex Machina" == c
&& randXOR seedUnit c == "Deus Ex Machina"
where c = [ 0x28, 0x2b, 0x2c, 0xfa
, 0x92, 0xca, 0xb3, 0xcb
, 0xed, 0x50, 0xc2, 0x1b
, 0x11, 0x0e, 0x70]
otp_involutive : {len} (fin len) => String len -> Bit
otp_involutive msg = randXOR seedUnit (randXOR seedUnit msg) == msg
property otp_involutive_32 msg = otp_involutive (msg : String 32)