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Only calculate AES key schedules once in cipher/aes.js

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This commit is contained in:
Daniel Huigens 2018-04-09 16:06:11 +02:00
parent c6ba83c4a3
commit 627a6ef46e
1 changed files with 5 additions and 4 deletions
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9
src/crypto/cipher/aes.js
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@ -2,19 +2,20 @@
* @requires asmcrypto.js
*/
import { AES_ECB } from 'asmcrypto.js/src/aes/ecb/exports';
import { _AES_asm_instance, _AES_heap_instance } from 'asmcrypto.js/src/aes/exports';
import { AES_ECB } from 'asmcrypto.js/src/aes/ecb/ecb';
// TODO use webCrypto or nodeCrypto when possible.
function aes(length) {
const c = function(key) {
this.key = key;
const aes_ecb = new AES_ECB(key, _AES_heap_instance, _AES_asm_instance);
this.encrypt = function(block) {
return AES_ECB.encrypt(block, this.key, false);
return aes_ecb.encrypt(block).result;
};
this.decrypt = function(block) {
return AES_ECB.decrypt(block, this.key, false);
return aes_ecb.decrypt(block).result;
};
};