diff options
| -rw-r--r-- | ext/crypto/00_crypto.js | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/ext/crypto/00_crypto.js b/ext/crypto/00_crypto.js index 5826132d2..907308325 100644 --- a/ext/crypto/00_crypto.js +++ b/ext/crypto/00_crypto.js @@ -27,6 +27,7 @@ Int8ArrayPrototype, JSONParse, JSONStringify, + MathCeil, ObjectAssign, ObjectPrototypeIsPrototypeOf, StringPrototypeToLowerCase, @@ -4396,14 +4397,11 @@ // 8. if (length === null) { return buf.buffer; - } - if ( - length === 0 || buf.buffer.byteLength * 8 < length || - length % 8 !== 0 - ) { + } else if (buf.buffer.byteLength * 8 < length) { throw new DOMException("Invalid length", "OperationError"); + } else { + return buf.buffer.slice(0, MathCeil(length / 8)); } - return buf.buffer.slice(0, length / 8); } else { throw new DOMException("Not implemented", "NotSupportedError"); } @@ -4469,12 +4467,11 @@ if (length === null) { return secret.buffer; } else if ( - length === 0 || secret.buffer.byteLength * 8 < length || - secret.length * 8 < length + secret.buffer.byteLength * 8 < length ) { throw new DOMException("Invalid length", "OperationError"); } else { - return secret.subarray(0, length / 8).buffer; + return secret.buffer.slice(0, MathCeil(length / 8)); } } default: |