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OpenPGP - Partial length encoding: Enforce minimum length of the first chunk #1828

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OpenPGP - Partial length encoding: Enforce minimum length of the first chunk #1828

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4 changes: 4 additions & 0 deletions pg/src/main/java/org/bouncycastle/bcpg/BCPGInputStream.java
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Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,10 @@ public Packet readPacket()
boolean[] flags = new boolean[3];
bodyLen = StreamUtil.readBodyLen(this, flags);
partial = flags[StreamUtil.flag_partial];
if (partial && bodyLen < 512)
{
throw new IOException("First chunk of partial body MUST have a length of at least 512 octets.");
}
}
else
{
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