MengYX
5 years ago
No known key found for this signature in database
GPG Key ID: E63F9C7303E8F604
1 changed files with
6 additions and
1 deletions
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src/decrypt/qmcMask.js
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@ -90,10 +90,15 @@ class QmcMask { |
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Decrypt(data) { |
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let dst = data.slice(0); |
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let index = -1; |
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let maskIdx = -1; |
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for (let cur = 0; cur < data.length; cur++) { |
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index++; |
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maskIdx++; |
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if (cur === 0x8001 || (cur > 0x8001 && cur % 0x8000 === 0)) maskIdx++; |
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if (index === 0x8000 || (index > 0x8000 && (index + 1) % 0x8000 === 0)) { |
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index++; |
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maskIdx++; |
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} |
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if (maskIdx >= 128) maskIdx -= 128; |
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dst[cur] ^= this.Matrix128[maskIdx]; |
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} |
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