final class SipHashFunction extends AbstractHashFunction implements java.io.Serializable
HashFunction implementation of SipHash-c-d.| Modifier and Type | Class and Description |
|---|---|
private static class |
SipHashFunction.SipHasher |
| Modifier and Type | Field and Description |
|---|---|
private int |
c |
private int |
d |
private long |
k0 |
private long |
k1 |
private static long |
serialVersionUID |
(package private) static HashFunction |
SIP_HASH_24 |
| Constructor and Description |
|---|
SipHashFunction(int c,
int d,
long k0,
long k1) |
| Modifier and Type | Method and Description |
|---|---|
int |
bits()
Returns the number of bits (a multiple of 32) that each hash code produced by this hash
function has.
|
boolean |
equals(java.lang.Object object) |
int |
hashCode() |
Hasher |
newHasher()
Begins a new hash code computation by returning an initialized, stateful
Hasher
instance that is ready to receive data. |
java.lang.String |
toString() |
hashBytes, hashBytes, hashBytes, hashInt, hashLong, hashObject, hashString, hashUnencodedChars, newHasherstatic final HashFunction SIP_HASH_24
private final int c
private final int d
private final long k0
private final long k1
private static final long serialVersionUID
SipHashFunction(int c,
int d,
long k0,
long k1)
c - the number of compression rounds (must be positive)d - the number of finalization rounds (must be positive)k0 - the first half of the keyk1 - the second half of the keypublic int bits()
HashFunctionbits in interface HashFunctionpublic Hasher newHasher()
HashFunctionHasher
instance that is ready to receive data. Example:
HashFunction hf = Hashing.md5();
HashCode hc = hf.newHasher()
.putLong(id)
.putBoolean(isActive)
.hash();
newHasher in interface HashFunctionpublic java.lang.String toString()
toString in class java.lang.Objectpublic boolean equals(@CheckForNull
java.lang.Object object)
equals in class java.lang.Objectpublic int hashCode()
hashCode in class java.lang.Object