Tidied up Streebog operation, splitting out GOST hash into a separate op.

This commit is contained in:
n1474335 2019-07-03 17:23:45 +01:00
parent 666c447e36
commit 99f4091c1a
11 changed files with 33 additions and 77 deletions

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@ -106,8 +106,7 @@
"Enigma",
"Bombe",
"Multiple Bombe",
"Typex",
"Streebog"
"Typex"
]
},
{
@ -303,6 +302,8 @@
"Snefru",
"BLAKE2b",
"BLAKE2s",
"GOST hash",
"Streebog",
"SSDEEP",
"CTPH",
"Compare SSDEEP hashes",

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@ -12,7 +12,7 @@ import Utils from "../Utils";
/**
* Convert a byte array into a hex string.
*
* @param {Uint8Array|byteArray} data
* @param {byteArray|Uint8Array|ArrayBuffer} data
* @param {string} [delim=" "]
* @param {number} [padding=2]
* @returns {string}
@ -26,6 +26,7 @@ import Utils from "../Utils";
*/
export function toHex(data, delim=" ", padding=2) {
if (!data) return "";
if (data instanceof ArrayBuffer) data = new Uint8Array(data);
let output = "";
@ -47,7 +48,7 @@ export function toHex(data, delim=" ", padding=2) {
/**
* Convert a byte array into a hex string as efficiently as possible with no options.
*
* @param {byteArray} data
* @param {byteArray|Uint8Array|ArrayBuffer} data
* @returns {string}
*
* @example
@ -56,6 +57,7 @@ export function toHex(data, delim=" ", padding=2) {
*/
export function toHexFast(data) {
if (!data) return "";
if (data instanceof ArrayBuffer) data = new Uint8Array(data);
const output = [];

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@ -6,8 +6,8 @@
import Operation from "../Operation";
import OperationError from "../errors/OperationError";
import GostCoding from "../vendor/streebog/gostCoding";
import GostDigest from "../vendor/streebog/gostDigest";
import GostDigest from "../vendor/gost/gostDigest";
import {toHexFast} from "../lib/Hex";
/**
* Streebog operation
@ -21,37 +21,14 @@ class Streebog extends Operation {
super();
this.name = "Streebog";
this.module = "Crypto";
this.description = "Streebog is a cryptographic hash function defined in the Russian national standard GOST R 34.11-2012 Information Technology \u2013 Cryptographic Information Security \u2013 Hash Function. It was created to replace an obsolete GOST hash function defined in the old standard GOST R 34.11-94, and as an asymmetric reply to SHA-3 competition by the US National Institute of Standards and Technology.";
this.infoURL = "https://en.wikipedia.org/wiki/Streebog";
this.inputType = "string";
this.module = "Hashing";
this.description = "Streebog is a cryptographic hash function defined in the Russian national standard GOST R 34.11-2012 <i>Information Technology \u2013 Cryptographic Information Security \u2013 Hash Function</i>. It was created to replace an obsolete GOST hash function defined in the old standard GOST R 34.11-94, and as an asymmetric reply to SHA-3 competition by the US National Institute of Standards and Technology.";
this.infoURL = "https://wikipedia.org/wiki/Streebog";
this.inputType = "ArrayBuffer";
this.outputType = "string";
this.args = [
{
"name": "Version",
"type": "option",
"value": ["2012", "1994"]
},
// Paramset sBox for GOST 28147-89. Used only if version = 1994
{
"name": "S-Box",
"type": "option",
"value": [
"D-A",
"D-SC",
"E-TEST",
"E-A",
"E-B",
"E-C",
"E-D",
"E-SC",
"E-Z",
"D-TEST"
]
},
// 512 bits digest, valid only for algorithm "Streebog"
{
"name": "Length",
"name": "Size",
"type": "option",
"value": ["256", "512"]
}
@ -59,34 +36,22 @@ class Streebog extends Operation {
}
/**
* @param {string} input
* @param {ArrayBuffer} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
try {
const version = parseInt(args[0], 10);
let sBox = args[1];
let length = parseInt(args[2], 10);
const length = parseInt(args[0], 10);
const gostDigest = new GostDigest({
name: "GOST R 34.11",
version: 2012,
length: length
});
// 1994 old-style 256 bits digest based on GOST 28147-89
if (version === 1994) {
length = 256;
}
if (version === 2012) {
sBox = "";
}
const gostDigest = new GostDigest({name: "GOST R 34.11", version, sBox, length });
const gostCoding = new GostCoding();
const decode = gostCoding.Chars.decode(input);
const hexEncode = gostCoding.Hex.encode(gostDigest.digest(decode));
return hexEncode.replace(/[^\-A-Fa-f0-9]/g, "").toLowerCase();
return toHexFast(gostDigest.digest(input));
} catch (err) {
throw new OperationError(`Invalid Input, Details ${err.message}`);
throw new OperationError(err);
}
}

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@ -1192,8 +1192,8 @@ function GostDigest(algorithm) // <editor-fold defaultstate="collapsed">
// Define chiper algorithm
this.sBox = (algorithm.sBox || (algorithm.procreator === 'SC' ? 'D-SC' : 'D-A')).toUpperCase();
if (!GostCipher)
GostCipher = root.GostCipher;
//if (!GostCipher)
// GostCipher = root.GostCipher;
if (!GostCipher)
throw new NotSupportedError('Object GostCipher not found');

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@ -1040,9 +1040,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Streebog",
args: [
"2012", "D-A", "256"
]
args: ["256"]
}
]
},
@ -1053,9 +1051,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Streebog",
args: [
"2012", "D-A", "256"
]
args: ["256"]
}
]
},
@ -1066,9 +1062,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Streebog",
args: [
"2012", "D-A", "512"
]
args: ["512"]
}
]
},
@ -1079,9 +1073,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Streebog",
args: [
"2012", "D-A", "512"
]
args: ["512"]
}
]
},
@ -1091,10 +1083,8 @@ TestRegister.addTests([
expectedOutput: "981e5f3ca30c841487830f84fb433e13ac1101569b9c13584ac483234cd656c0",
recipeConfig: [
{
op: "Streebog",
args: [
"1994", "D-A", "256"
]
op: "GOST hash",
args: ["D-A"]
}
]
},
@ -1104,10 +1094,8 @@ TestRegister.addTests([
expectedOutput: "2cefc2f7b7bdc514e18ea57fa74ff357e7fa17d652c75f69cb1be7893ede48eb",
recipeConfig: [
{
op: "Streebog",
args: [
"1994", "D-A", "256"
]
op: "GOST hash",
args: ["D-A"]
}
]
}