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n1474335
2022-11-25 15:30:32 +00:00
parent 55809b2e87
commit 3f85c32c7c
2 changed files with 16 additions and 15 deletions
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18
src/core/operations/ChaCha.mjs
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@@ -159,9 +159,12 @@ class ChaCha extends Operation {
ChaCha uses a key of 16 or 32 bytes (128 or 256 bits).`);
}
let counter, nonce;
let counterLength;
if (nonceType !== "Integer") {
let counter, nonce, counterLength;
if (nonceType === "Integer") {
nonce = Utils.intToByteArray(parseInt(args[1].string, 10), 12, "little");
counterLength = 4;
} else {
nonce = Utils.convertToByteArray(args[1].string, args[1].option);
if (!(nonce.length === 12 || nonce.length === 8)) {
throw new OperationError(`Invalid nonce length: ${nonce.length} bytes.
@@ -169,15 +172,10 @@ ChaCha uses a key of 16 or 32 bytes (128 or 256 bits).`);
ChaCha uses a nonce of 8 or 12 bytes (64 or 96 bits).`);
}
counterLength = 16 - nonce.length;
counter = Utils.intToByteArray(args[2], counterLength, "little");
}
if (nonceType === "Integer") {
nonce = Utils.intToByteArray(parseInt(args[1].string, 10), 12, "little");
counterLength = 4;
counter = Utils.intToByteArray(args[2], counterLength, "little");
}
counter = Utils.intToByteArray(args[2], counterLength, "little");
const output = new Array();
const output = [];
input = Utils.convertToByteArray(input, inputType);
let counterAsInt = Utils.byteArrayToInt(counter, "little");