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Switch cipher/aes.js to Uint8Arrays

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This commit is contained in:
Daniel Huigens 2018-04-09 14:46:13 +02:00
parent c2f898279b
commit 5f891d28d6
3 changed files with 12 additions and 21 deletions
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8
src/crypto/cipher/aes.js
View File

@ -7,16 +7,14 @@ import { AES_ECB } from 'asmcrypto.js/src/aes/ecb/exports';
// TODO use webCrypto or nodeCrypto when possible.
function aes(length) {
const c = function(key) {
this.key = Uint8Array.from(key);
this.key = key;
this.encrypt = function(block) {
block = Uint8Array.from(block);
return Array.from(AES_ECB.encrypt(block, this.key, false));
return AES_ECB.encrypt(block, this.key, false);
};
this.decrypt = function(block) {
block = Uint8Array.from(block);
return Array.from(AES_ECB.decrypt(block, this.key, false));
return AES_ECB.decrypt(block, this.key, false);
};
};

23
test/crypto/cipher/aes.js
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@ -7,11 +7,13 @@ const { expect } = chai;
describe('AES Rijndael cipher test with test vectors from ecb_tbl.txt', function() {
function test_aes(input, key, output) {
const aes = new openpgp.crypto.cipher.aes128(key);
const aes = new openpgp.crypto.cipher.aes128(new Uint8Array(key));
const result = util.Uint8Array_to_str(aes.encrypt(new Uint8Array(input)));
const encrypted = aes.encrypt(new Uint8Array(input));
expect(encrypted).to.deep.equal(new Uint8Array(output));
return util.str_to_hex(result) === util.str_to_hex(util.Uint8Array_to_str(output));
const decrypted = aes.decrypt(new Uint8Array(output));
expect(decrypted).to.deep.equal(new Uint8Array(input));
}
const testvectors128 = [[[0x00,0x01,0x02,0x03,0x05,0x06,0x07,0x08,0x0A,0x0B,0x0C,0x0D,0x0F,0x10,0x11,0x12],[0x50,0x68,0x12,0xA4,0x5F,0x08,0xC8,0x89,0xB9,0x7F,0x59,0x80,0x03,0x8B,0x83,0x59],[0xD8,0xF5,0x32,0x53,0x82,0x89,0xEF,0x7D,0x06,0xB5,0x06,0xA4,0xFD,0x5B,0xE9,0xC9]],
@ -64,30 +66,21 @@ describe('AES Rijndael cipher test with test vectors from ecb_tbl.txt', function
it('128 bit key', function (done) {
for (let i = 0; i < testvectors128.length; i++) {
const res = test_aes(testvectors128[i][1],testvectors128[i][0],testvectors128[i][2]);
expect(res, 'block ' + util.Uint8Array_to_hex(testvectors128[i][1]) +
' and key '+util.Uint8Array_to_hex(testvectors128[i][0]) +
' should be '+util.Uint8Array_to_hex(testvectors128[i][2])).to.be.true;
test_aes(testvectors128[i][1],testvectors128[i][0],testvectors128[i][2]);
}
done();
});
it('192 bit key', function (done) {
for (let i = 0; i < testvectors192.length; i++) {
const res = test_aes(testvectors192[i][1],testvectors192[i][0],testvectors192[i][2]);
expect(res, 'block ' + util.Uint8Array_to_hex(testvectors192[i][1]) +
' and key ' + util.Uint8Array_to_hex(testvectors192[i][0])+
' should be ' + util.Uint8Array_to_hex(testvectors192[i][2])).to.be.true;
test_aes(testvectors192[i][1],testvectors192[i][0],testvectors192[i][2]);
}
done();
});
it('256 bit key', function (done) {
for (let i = 0; i < testvectors256.length; i++) {
const res = test_aes(testvectors256[i][1],testvectors256[i][0],testvectors256[i][2]);
expect(res, 'block ' + util.Uint8Array_to_hex(testvectors256[i][1]) +
' and key ' + util.Uint8Array_to_hex(testvectors256[i][0]) +
' should be ' + util.Uint8Array_to_hex(testvectors256[i][2])).to.be.true;
test_aes(testvectors256[i][1],testvectors256[i][0],testvectors256[i][2]);
}
done();
});

2
test/general/packet.js
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@ -89,7 +89,7 @@ describe("Packet", function() {
message.push(enc);
await enc.packets.push(literal);
const key = '12345678901234567890123456789012';
const key = new Uint8Array([1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2]);
const algo = 'aes256';
await enc.encrypt(algo, key);