"
(C) 2010 by Holger Hans Peter Freyther
All Rights Reserved
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
"
Object subclass: A3A8 [
COMP := nil.
A3A8 class >> initialize [
DLD addLibrary: 'liba3a8'
]
A3A8 class >> comp [
"Return an array with blocks to run GSM crypto"
^ COMP ifNil: [
COMP := Array new: 3.
COMP at: 1 put: [:key :rand :res | self int_COMP128_v1: key rand: rand res: res ].
COMP at: 2 put: [:key :rand :res | self int_COMP128_v2: key rand: rand res: res ].
COMP at: 3 put: [:key :rand :res | self int_COMP128_v3: key rand: rand res: res ].
COMP.
]
]
A3A8 class >> COMP128: aVersion ki: aKI rand: aRand [
| str |
aKI size = 16 ifFalse: [
^ self error: 'KI needs to be 16 bytes'
].
aRand size = 16 ifFalse: [
^ self error: 'RAND needs to be 16 bytes'
].
str := ByteArray new: 16.
(self comp at: aVersion)
value: aKI
value: aRand
value: (CObject new storage: str).
^ str
]
A3A8 class >> int_COMP128_v1: aKI rand: aRand res: aRes [
]
A3A8 class >> int_COMP128_v2: aKI rand: aRand res: aRes [
]
A3A8 class >> int_COMP128_v3: aKI rand: aRand res: aRes [
]
]
Eval [
A3A8 initialize.
]