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java.lang.Objectcom.mindbright.util.CRC32
static routine for calculating CRC32 (Cyclic Redundancy Check) checksums on data. Note that CRC32 is not cryptographically secure. A better alternative is SHA1 or MD5.
MD5
,
SHA1
Field Summary | |
static long[] |
crc32_tab
Table used to calculate CR32 checksums |
Constructor Summary | |
CRC32()
|
Method Summary | |
static long |
getValue(byte[] buf,
int off,
int len)
Calculate the CR32 value for a given blob of data |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final long[] crc32_tab
Constructor Detail |
public CRC32()
Method Detail |
public static long getValue(byte[] buf, int off, int len)
buf
- array holding data to calculate checksum foroff
- offset of data in buflen
- length of adata
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