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Fix KeyCert bug

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str4d
2015-07-21 01:19:37 +00:00
parent 9af197e590
commit ba5af15c6f
1 changed files with 2 additions and 2 deletions
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4
core/java/src/net/i2p/data/KeyCertificate.java
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@@ -122,7 +122,7 @@ public class KeyCertificate extends Certificate {
/** /**
* Signing Key extra data, if any, is first in the array. * Signing Key extra data, if any, is first in the array.
* Crypto Key extra data, if any, is second in the array, * Crypto Key extra data, if any, is second in the array,
* at offset max(0, 128 - getSigType().getPubkeyLen() * at offset max(0, getSigType().getPubkeyLen() - 128)
* *
* @return null if unset or none * @return null if unset or none
*/ */
@@ -148,7 +148,7 @@ public class KeyCertificate extends Certificate {
SigType type = getSigType(); SigType type = getSigType();
if (type == null) if (type == null)
throw new UnsupportedOperationException("unknown sig type"); throw new UnsupportedOperationException("unknown sig type");
int extra = 128 - type.getPubkeyLen(); int extra = Math.max(0, type.getPubkeyLen() - 128);
if (_payload.length == HEADER_LENGTH + extra) if (_payload.length == HEADER_LENGTH + extra)
return getExtraKeyData(); return getExtraKeyData();
byte[] rv = new byte[extra]; byte[] rv = new byte[extra];