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Added support for hashing version 1994 and 2012. Added S-Box selection for 1994 version. Added length selection

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This commit is contained in:
mshwed 2019-04-01 23:14:40 -04:00
parent aef65620da
commit 37389a62c1
6 changed files with 78 additions and 33 deletions
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58
src/core/operations/Streebog.mjs
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@ -26,7 +26,36 @@ class Streebog extends Operation {
this.infoURL = "https://en.wikipedia.org/wiki/Streebog";
this.inputType = "string";
this.outputType = "string";
this.args = [];
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",
"type": "option",
"value": ["256", "512"]
}
];
}
/**
@ -36,16 +65,29 @@ class Streebog extends Operation {
*/
run(input, args) {
try {
const gostDigest = new GostDigest({name: 'GOST R 34.11', version: 1994});
const version = parseInt(args[0], 10);
let sBox = args[1];
let length = parseInt(args[2], 10);
// 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, 'utf8');
let hexEncode = gostCoding.Hex.encode(gostDigest.digest(decode))
return hexEncode.replace(/[^\-A-Fa-f0-9]/g, '').toLowerCase();;
const decode = gostCoding.Chars.decode(input);
const hexEncode = gostCoding.Hex.encode(gostDigest.digest(decode));
return hexEncode.replace(/[^\-A-Fa-f0-9]/g, "").toLowerCase();
} catch (err) {
console.log(err)
throw new OperationError("Test");
throw new OperationError(`Invalid Input, Details ${err.message}`);
}
}