java.lang.Object
org.firebirdsql.gds.ng.dbcrypt.DbCryptData
Data of a database encryption key callback (or reply).
- Since:
- 3.0.4
- Author:
- Mark Rotteveel
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionDbCryptData
(byte[] pluginData, int replySize) InitializesDbCryptData
instance. -
Method Summary
Modifier and TypeMethodDescriptionstatic DbCryptData
createReply
(byte[] pluginData) Creates a reply with plugin data and expected reply size of0
.byte[]
int
Returns the expected reply size.
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Field Details
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EMPTY_DATA
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Constructor Details
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DbCryptData
public DbCryptData(byte[] pluginData, int replySize) InitializesDbCryptData
instance.- Parameters:
pluginData
- Data for/from plugin (can benull
)replySize
- Expected reply size (normally use0
for a reply)- Throws:
IllegalArgumentException
- when plugin data exceeds maximum length of 32767 bytes
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Method Details
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getPluginData
public byte[] getPluginData()- Returns:
- Plugin data (can be
null
)
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getReplySize
public int getReplySize()Returns the expected reply size.For a protocol version 13 callback, the value will be
Integer.MIN_VALUE
as the protocol does not include this information.In the case of a callback, this value is as received from Firebird. Judging by the code in Firebird for protocol v14 and higher, this value may be negative, and should then be considered equivalent to
1
.Plugins can use the value as a hint to the expected size of their reply. However smaller (or larger) replies will work.
- Returns:
- Expected reply size
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createReply
Creates a reply with plugin data and expected reply size of0
.- Parameters:
pluginData
- Plugin response data- Returns:
- Crypt data
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