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https://github.com/vector-im/hydrogen-web.git
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some more cleanup
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parent
fcc4c21ad2
commit
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@ -215,7 +215,6 @@ class AESLegacyCrypto {
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* @return {BufferSource} [description]
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* @return {BufferSource} [description]
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*/
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*/
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async decryptCTR({key, jwkKey, iv, data, counterLength = 64}) {
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async decryptCTR({key, jwkKey, iv, data, counterLength = 64}) {
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const aesjs = this._aesjs;
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if (counterLength !== 64) {
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if (counterLength !== 64) {
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throw new Error(`Unsupported counter length: ${counterLength}`);
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throw new Error(`Unsupported counter length: ${counterLength}`);
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}
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}
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@ -229,11 +228,12 @@ class AESLegacyCrypto {
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if (jwkKey.kty !== "oct") {
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if (jwkKey.kty !== "oct") {
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throw new Error(`Invalid key type, "oct" expected: ${jwkKey.kty}`);
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throw new Error(`Invalid key type, "oct" expected: ${jwkKey.kty}`);
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}
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}
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// need //var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
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// convert base64-url to normal base64
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const base64Key = jwkKey.k.replace(/-/g, "+").replace(/_/g, "/");
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const base64UrlKey = jwkKey.k;
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const base64Key = base64UrlKey.replace(/-/g, "+").replace(/_/g, "/");
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key = base64.decode(base64Key);
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key = base64.decode(base64Key);
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}
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}
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const aesjs = this._aesjs;
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var aesCtr = new aesjs.ModeOfOperation.ctr(new Uint8Array(key), new aesjs.Counter(new Uint8Array(iv)));
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var aesCtr = new aesjs.ModeOfOperation.ctr(new Uint8Array(key), new aesjs.Counter(new Uint8Array(iv)));
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return aesCtr.decrypt(new Uint8Array(data));
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return aesCtr.decrypt(new Uint8Array(data));
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}
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}
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