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Fix CFB decryption performance in JS fallback for ciphers other than AES (#1679)

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This issue affected non-AES ciphers (legacy), such as Cast5, in Node 18+ and in browser.
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larabr 2023-09-18 14:14:49 +02:00 committed by GitHub
parent 5d02e3a03e
commit 2ba8229d23
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1 changed files with 1 additions and 1 deletions
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src/crypto/mode/cfb.js
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@ -119,7 +119,7 @@ export async function decrypt(algo, key, ciphertext, iv) {
let j = 0; let j = 0;
while (chunk ? ct.length >= block_size : ct.length) { while (chunk ? ct.length >= block_size : ct.length) {
const decblock = cipherfn.encrypt(blockp); const decblock = cipherfn.encrypt(blockp);
blockp = ct; blockp = ct.subarray(0, block_size);
for (i = 0; i < block_size; i++) { for (i = 0; i < block_size; i++) {
plaintext[j++] = blockp[i] ^ decblock[i]; plaintext[j++] = blockp[i] ^ decblock[i];
} }