Package net.i2p.crypto
Class SHA1Hash
java.lang.Object
net.i2p.data.SimpleDataStructure
net.i2p.crypto.SHA1Hash
- All Implemented Interfaces:
DataStructure
Because DSAEngine was abusing Hash for 20-byte hashes
- Since:
- 0.8.1
- Author:
- zzz
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Field Summary
Fields inherited from class net.i2p.data.SimpleDataStructure
_data
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionint
hashCode()
a Hash is a hash, so just use the first 4 bytes for speedint
length()
The legal length of the byte array in this data structurevoid
readBytes
(InputStream in) Sets the data.void
setData
(byte[] data) Sets the data.Methods inherited from class net.i2p.data.SimpleDataStructure
calculateHash, equals, fromBase64, fromByteArray, getData, read, toBase64, toByteArray, toString, writeBytes
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Field Details
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HASH_LENGTH
public static final int HASH_LENGTH- See Also:
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Constructor Details
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SHA1Hash
public SHA1Hash()- Since:
- 0.9.9
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SHA1Hash
public SHA1Hash(byte[] data) - Throws:
IllegalArgumentException
- if data is not 20 bytes (null is ok)
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Method Details
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length
public int length()Description copied from class:SimpleDataStructure
The legal length of the byte array in this data structure- Specified by:
length
in classSimpleDataStructure
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setData
public void setData(byte[] data) Description copied from class:SimpleDataStructure
Sets the data.- Overrides:
setData
in classSimpleDataStructure
- Parameters:
data
- of correct length, or null- Throws:
IllegalArgumentException
- if data is not 20 bytes (null is ok)
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readBytes
Description copied from class:SimpleDataStructure
Sets the data.- Specified by:
readBytes
in interfaceDataStructure
- Overrides:
readBytes
in classSimpleDataStructure
- Parameters:
in
- the stream to read- Throws:
DataFormatException
- if the data is improperly formattedIOException
- if there was a problem reading the stream
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hashCode
public int hashCode()a Hash is a hash, so just use the first 4 bytes for speed- Overrides:
hashCode
in classSimpleDataStructure
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