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naimdjon/gist:8ba36060b5c30184e91a2423fed3c065

Created August 30, 2018 11:24
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Java snippet to check pdf signature
Raw
gistfile1.txt
private boolean isPdf(byte[] content) {
final byte[] pdfSignature = { (byte) 0x25, (byte) 0x50, (byte) 0x44, (byte) 0x46 };
return Arrays.equals(copyOfRange(content, 0, 4), pdfSignature);
}
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