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Fix Base58 handling of strings with only null characters

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zb3 2024-04-01 17:31:36 +02:00
parent 866c9a94ae
commit 4c6200f233
3 changed files with 28 additions and 10 deletions
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8
src/core/operations/FromBase58.mjs
View file

@ -60,7 +60,7 @@ class FromBase58 extends Operation {
run(input, args) {
let alphabet = args[0] || ALPHABET_OPTIONS[0].value;
const removeNonAlphaChars = args[1] === undefined ? true : args[1],
result = [0];
result = [];
alphabet = Utils.expandAlphRange(alphabet).join("");
@ -87,11 +87,9 @@ class FromBase58 extends Operation {
}
}
let carry = result[0] * 58 + index;
result[0] = carry & 0xFF;
carry = carry >> 8;
let carry = index;
for (let i = 1; i < result.length; i++) {
for (let i = 0; i < result.length; i++) {
carry += result[i] * 58;
result[i] = carry & 0xFF;
carry = carry >> 8;

8
src/core/operations/ToBase58.mjs
View file

@ -43,7 +43,7 @@ class ToBase58 extends Operation {
run(input, args) {
input = new Uint8Array(input);
let alphabet = args[0] || ALPHABET_OPTIONS[0].value,
result = [0];
result = [];
alphabet = Utils.expandAlphRange(alphabet).join("");
@ -60,11 +60,9 @@ class ToBase58 extends Operation {
}
input.forEach(function(b) {
let carry = (result[0] << 8) + b;
result[0] = carry % 58;
carry = (carry / 58) | 0;
let carry = b;
for (let i = 1; i < result.length; i++) {
for (let i = 0; i < result.length; i++) {
carry += result[i] << 8;
result[i] = carry % 58;
carry = (carry / 58) | 0;